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1807 lines
56 KiB
Go
1807 lines
56 KiB
Go
// Copyright 2018 Google Inc.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package linechart
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import (
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"image"
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"math"
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"testing"
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"github.com/kylelemons/godebug/pretty"
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"github.com/mum4k/termdash/cell"
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"github.com/mum4k/termdash/internal/canvas"
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"github.com/mum4k/termdash/internal/canvas/braille/testbraille"
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"github.com/mum4k/termdash/internal/canvas/testcanvas"
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"github.com/mum4k/termdash/internal/draw"
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"github.com/mum4k/termdash/internal/draw/testdraw"
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"github.com/mum4k/termdash/internal/faketerm"
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"github.com/mum4k/termdash/mouse"
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"github.com/mum4k/termdash/terminal/terminalapi"
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"github.com/mum4k/termdash/widgetapi"
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)
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func TestLineChartDraws(t *testing.T) {
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tests := []struct {
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desc string
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canvas image.Rectangle
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meta *widgetapi.Meta
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opts []Option
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writes func(*LineChart) error
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want func(size image.Point) *faketerm.Terminal
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wantCapacity int
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wantErr bool
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wantWriteErr bool
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wantDrawErr bool
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}{
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{
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desc: "fails with scroll step too low",
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canvas: image.Rect(0, 0, 3, 4),
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opts: []Option{
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ZoomStepPercent(0),
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},
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wantErr: true,
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},
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{
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desc: "fails with scroll step too high",
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canvas: image.Rect(0, 0, 3, 4),
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opts: []Option{
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ZoomStepPercent(101),
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},
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wantErr: true,
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},
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{
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desc: "fails with custom scale where min is NaN",
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canvas: image.Rect(0, 0, 3, 4),
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opts: []Option{
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YAxisCustomScale(math.NaN(), 1),
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},
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wantErr: true,
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},
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{
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desc: "fails with custom scale where max is NaN",
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canvas: image.Rect(0, 0, 3, 4),
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opts: []Option{
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YAxisCustomScale(0, math.NaN()),
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},
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wantErr: true,
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},
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{
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desc: "fails with custom scale where min > max",
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canvas: image.Rect(0, 0, 3, 4),
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opts: []Option{
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YAxisCustomScale(1, 0),
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},
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wantErr: true,
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},
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{
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desc: "fails with custom scale where min == max",
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canvas: image.Rect(0, 0, 3, 4),
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opts: []Option{
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YAxisCustomScale(1, 1),
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},
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wantErr: true,
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},
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{
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desc: "series fails without name for the series",
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canvas: image.Rect(0, 0, 3, 4),
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writes: func(lc *LineChart) error {
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return lc.Series("", nil)
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},
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wantWriteErr: true,
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},
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{
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desc: "series fails when custom label has negative key",
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canvas: image.Rect(0, 0, 3, 4),
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writes: func(lc *LineChart) error {
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return lc.Series("series", nil, SeriesXLabels(map[int]string{-1: "text"}))
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},
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wantWriteErr: true,
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},
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{
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desc: "series fails when custom label has empty value",
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canvas: image.Rect(0, 0, 3, 4),
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writes: func(lc *LineChart) error {
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return lc.Series("series", nil, SeriesXLabels(map[int]string{1: ""}))
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},
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wantWriteErr: true,
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},
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{
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desc: "draws resize needed character when canvas is smaller than requested",
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canvas: image.Rect(0, 0, 1, 1),
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want: func(size image.Point) *faketerm.Terminal {
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ft := faketerm.MustNew(size)
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c := testcanvas.MustNew(ft.Area())
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testdraw.MustResizeNeeded(c)
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testcanvas.MustApply(c, ft)
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return ft
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},
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},
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{
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desc: "empty without series",
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canvas: image.Rect(0, 0, 3, 4),
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wantCapacity: 2,
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want: func(size image.Point) *faketerm.Terminal {
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ft := faketerm.MustNew(size)
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c := testcanvas.MustNew(ft.Area())
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// Y and X axis.
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lines := []draw.HVLine{
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{Start: image.Point{1, 0}, End: image.Point{1, 2}},
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{Start: image.Point{1, 2}, End: image.Point{2, 2}},
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}
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testdraw.MustHVLines(c, lines)
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// Zero value labels.
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testdraw.MustText(c, "0", image.Point{0, 1})
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testdraw.MustText(c, "0", image.Point{2, 3})
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testcanvas.MustApply(c, ft)
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return ft
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},
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},
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{
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desc: "empty with just one point",
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canvas: image.Rect(0, 0, 3, 4),
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writes: func(lc *LineChart) error {
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return lc.Series("first", []float64{1})
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},
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wantCapacity: 2,
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want: func(size image.Point) *faketerm.Terminal {
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ft := faketerm.MustNew(size)
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c := testcanvas.MustNew(ft.Area())
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// Y and X axis.
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lines := []draw.HVLine{
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{Start: image.Point{1, 0}, End: image.Point{1, 2}},
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{Start: image.Point{1, 2}, End: image.Point{2, 2}},
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}
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testdraw.MustHVLines(c, lines)
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// Value labels.
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testdraw.MustText(c, "…", image.Point{0, 0})
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testdraw.MustText(c, "0", image.Point{0, 1})
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testdraw.MustText(c, "0", image.Point{2, 3})
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testcanvas.MustApply(c, ft)
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return ft
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},
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},
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{
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desc: "sets axes cell options",
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canvas: image.Rect(0, 0, 3, 4),
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opts: []Option{
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AxesCellOpts(
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cell.BgColor(cell.ColorRed),
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cell.FgColor(cell.ColorGreen),
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),
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},
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wantCapacity: 2,
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want: func(size image.Point) *faketerm.Terminal {
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ft := faketerm.MustNew(size)
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c := testcanvas.MustNew(ft.Area())
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// Y and X axis.
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lines := []draw.HVLine{
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{Start: image.Point{1, 0}, End: image.Point{1, 2}},
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{Start: image.Point{1, 2}, End: image.Point{2, 2}},
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}
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testdraw.MustHVLines(c, lines, draw.HVLineCellOpts(cell.BgColor(cell.ColorRed), cell.FgColor(cell.ColorGreen)))
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// Zero value labels.
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testdraw.MustText(c, "0", image.Point{0, 1})
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testdraw.MustText(c, "0", image.Point{2, 3})
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testcanvas.MustApply(c, ft)
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return ft
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},
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},
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{
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desc: "sets label cell options",
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canvas: image.Rect(0, 0, 3, 4),
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opts: []Option{
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XLabelCellOpts(
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cell.BgColor(cell.ColorYellow),
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cell.FgColor(cell.ColorBlue),
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),
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YLabelCellOpts(
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cell.BgColor(cell.ColorRed),
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cell.FgColor(cell.ColorGreen),
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),
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},
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wantCapacity: 2,
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want: func(size image.Point) *faketerm.Terminal {
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ft := faketerm.MustNew(size)
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c := testcanvas.MustNew(ft.Area())
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// Y and X axis.
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lines := []draw.HVLine{
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{Start: image.Point{1, 0}, End: image.Point{1, 2}},
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{Start: image.Point{1, 2}, End: image.Point{2, 2}},
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}
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testdraw.MustHVLines(c, lines)
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// Zero value labels.
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testdraw.MustText(c, "0", image.Point{0, 1}, draw.TextCellOpts(cell.BgColor(cell.ColorRed), cell.FgColor(cell.ColorGreen)))
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testdraw.MustText(c, "0", image.Point{2, 3}, draw.TextCellOpts(cell.BgColor(cell.ColorYellow), cell.FgColor(cell.ColorBlue)))
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testcanvas.MustApply(c, ft)
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return ft
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},
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},
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{
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desc: "two Y and X labels",
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canvas: image.Rect(0, 0, 20, 10),
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writes: func(lc *LineChart) error {
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return lc.Series("first", []float64{0, 100})
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},
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wantCapacity: 28,
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want: func(size image.Point) *faketerm.Terminal {
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ft := faketerm.MustNew(size)
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c := testcanvas.MustNew(ft.Area())
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// Y and X axis.
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lines := []draw.HVLine{
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{Start: image.Point{5, 0}, End: image.Point{5, 8}},
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{Start: image.Point{5, 8}, End: image.Point{19, 8}},
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}
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testdraw.MustHVLines(c, lines)
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// Value labels.
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testdraw.MustText(c, "0", image.Point{4, 7})
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testdraw.MustText(c, "51.68", image.Point{0, 3})
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testdraw.MustText(c, "0", image.Point{6, 9})
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testdraw.MustText(c, "1", image.Point{19, 9})
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// Braille line.
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graphAr := image.Rect(6, 0, 20, 8)
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bc := testbraille.MustNew(graphAr)
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testdraw.MustBrailleLine(bc, image.Point{0, 31}, image.Point{26, 0})
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testbraille.MustCopyTo(bc, c)
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testcanvas.MustApply(c, ft)
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return ft
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},
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},
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{
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desc: "custom Y scale, zero based positive, values fit",
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opts: []Option{
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YAxisCustomScale(0, 200),
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},
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canvas: image.Rect(0, 0, 20, 10),
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writes: func(lc *LineChart) error {
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return lc.Series("first", []float64{0, 100})
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},
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wantCapacity: 26,
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want: func(size image.Point) *faketerm.Terminal {
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ft := faketerm.MustNew(size)
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c := testcanvas.MustNew(ft.Area())
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// Y and X axis.
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lines := []draw.HVLine{
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{Start: image.Point{6, 0}, End: image.Point{6, 8}},
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{Start: image.Point{6, 8}, End: image.Point{19, 8}},
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}
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testdraw.MustHVLines(c, lines)
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// Value labels.
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testdraw.MustText(c, "0", image.Point{5, 7})
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testdraw.MustText(c, "103.36", image.Point{0, 3})
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testdraw.MustText(c, "0", image.Point{7, 9})
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testdraw.MustText(c, "1", image.Point{19, 9})
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// Braille line.
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graphAr := image.Rect(7, 0, 20, 8)
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bc := testbraille.MustNew(graphAr)
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testdraw.MustBrailleLine(bc, image.Point{0, 31}, image.Point{25, 16})
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testbraille.MustCopyTo(bc, c)
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testcanvas.MustApply(c, ft)
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return ft
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},
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},
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{
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desc: "custom Y scale, zero based negative, values fit",
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opts: []Option{
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YAxisCustomScale(-200, 0),
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},
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canvas: image.Rect(0, 0, 20, 10),
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writes: func(lc *LineChart) error {
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return lc.Series("first", []float64{0, -200})
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},
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wantCapacity: 26,
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want: func(size image.Point) *faketerm.Terminal {
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ft := faketerm.MustNew(size)
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c := testcanvas.MustNew(ft.Area())
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// Y and X axis.
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lines := []draw.HVLine{
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{Start: image.Point{6, 0}, End: image.Point{6, 8}},
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{Start: image.Point{6, 8}, End: image.Point{19, 8}},
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}
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testdraw.MustHVLines(c, lines)
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// Value labels.
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testdraw.MustText(c, "-200", image.Point{2, 7})
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testdraw.MustText(c, "-96.64", image.Point{0, 3})
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testdraw.MustText(c, "0", image.Point{7, 9})
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testdraw.MustText(c, "1", image.Point{19, 9})
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// Braille line.
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graphAr := image.Rect(7, 0, 20, 8)
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bc := testbraille.MustNew(graphAr)
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testdraw.MustBrailleLine(bc, image.Point{0, 0}, image.Point{25, 31})
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testbraille.MustCopyTo(bc, c)
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testcanvas.MustApply(c, ft)
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return ft
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},
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},
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{
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desc: "custom Y scale, negative and positive, values fit",
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opts: []Option{
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YAxisCustomScale(-200, 200),
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},
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canvas: image.Rect(0, 0, 20, 10),
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writes: func(lc *LineChart) error {
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return lc.Series("first", []float64{0, 100})
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},
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wantCapacity: 30,
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want: func(size image.Point) *faketerm.Terminal {
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ft := faketerm.MustNew(size)
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c := testcanvas.MustNew(ft.Area())
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// Y and X axis.
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lines := []draw.HVLine{
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{Start: image.Point{4, 0}, End: image.Point{4, 8}},
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{Start: image.Point{4, 8}, End: image.Point{19, 8}},
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}
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testdraw.MustHVLines(c, lines)
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// Value labels.
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testdraw.MustText(c, "-200", image.Point{0, 7})
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testdraw.MustText(c, "6.57", image.Point{0, 3})
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testdraw.MustText(c, "0", image.Point{5, 9})
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testdraw.MustText(c, "1", image.Point{19, 9})
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// Braille line.
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graphAr := image.Rect(5, 0, 20, 8)
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bc := testbraille.MustNew(graphAr)
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testdraw.MustBrailleLine(bc, image.Point{0, 16}, image.Point{29, 8})
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testbraille.MustCopyTo(bc, c)
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testcanvas.MustApply(c, ft)
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return ft
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},
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},
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{
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desc: "custom Y scale, negative only, values fit",
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opts: []Option{
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YAxisCustomScale(-200, -100),
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},
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canvas: image.Rect(0, 0, 20, 10),
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writes: func(lc *LineChart) error {
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return lc.Series("first", []float64{-200, -100})
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},
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wantCapacity: 24,
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want: func(size image.Point) *faketerm.Terminal {
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ft := faketerm.MustNew(size)
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c := testcanvas.MustNew(ft.Area())
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// Y and X axis.
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lines := []draw.HVLine{
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{Start: image.Point{7, 0}, End: image.Point{7, 8}},
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{Start: image.Point{7, 8}, End: image.Point{19, 8}},
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}
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testdraw.MustHVLines(c, lines)
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// Value labels.
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testdraw.MustText(c, "-200", image.Point{3, 7})
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testdraw.MustText(c, "-148.32", image.Point{0, 3})
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testdraw.MustText(c, "0", image.Point{8, 9})
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testdraw.MustText(c, "1", image.Point{19, 9})
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// Braille line.
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graphAr := image.Rect(8, 0, 20, 8)
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bc := testbraille.MustNew(graphAr)
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testdraw.MustBrailleLine(bc, image.Point{0, 31}, image.Point{23, 0})
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testbraille.MustCopyTo(bc, c)
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testcanvas.MustApply(c, ft)
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return ft
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},
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},
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{
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desc: "custom Y scale, negative and positive, values don't fit so adjusted",
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opts: []Option{
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YAxisCustomScale(-200, 200),
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},
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canvas: image.Rect(0, 0, 20, 10),
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writes: func(lc *LineChart) error {
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return lc.Series("first", []float64{-400, 400})
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},
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wantCapacity: 28,
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want: func(size image.Point) *faketerm.Terminal {
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ft := faketerm.MustNew(size)
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c := testcanvas.MustNew(ft.Area())
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// Y and X axis.
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lines := []draw.HVLine{
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{Start: image.Point{5, 0}, End: image.Point{5, 8}},
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{Start: image.Point{5, 8}, End: image.Point{19, 8}},
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}
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testdraw.MustHVLines(c, lines)
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// Value labels.
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testdraw.MustText(c, "-400", image.Point{1, 7})
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testdraw.MustText(c, "12.96", image.Point{0, 3})
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testdraw.MustText(c, "0", image.Point{6, 9})
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testdraw.MustText(c, "1", image.Point{19, 9})
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// Braille line.
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graphAr := image.Rect(6, 0, 20, 8)
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bc := testbraille.MustNew(graphAr)
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testdraw.MustBrailleLine(bc, image.Point{0, 31}, image.Point{26, 0})
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testbraille.MustCopyTo(bc, c)
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testcanvas.MustApply(c, ft)
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return ft
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},
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},
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{
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desc: "draws anchored Y axis",
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canvas: image.Rect(0, 0, 20, 10),
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writes: func(lc *LineChart) error {
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return lc.Series("first", []float64{1600, 1900})
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},
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wantCapacity: 26,
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want: func(size image.Point) *faketerm.Terminal {
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ft := faketerm.MustNew(size)
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c := testcanvas.MustNew(ft.Area())
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// Y and X axis.
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lines := []draw.HVLine{
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{Start: image.Point{6, 0}, End: image.Point{6, 8}},
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{Start: image.Point{6, 8}, End: image.Point{19, 8}},
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}
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testdraw.MustHVLines(c, lines)
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// Value labels.
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testdraw.MustText(c, "0", image.Point{5, 7})
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testdraw.MustText(c, "980.80", image.Point{0, 3})
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testdraw.MustText(c, "0", image.Point{7, 9})
|
|
testdraw.MustText(c, "1", image.Point{19, 9})
|
|
|
|
// Braille line.
|
|
graphAr := image.Rect(7, 0, 20, 8)
|
|
bc := testbraille.MustNew(graphAr)
|
|
testdraw.MustBrailleLine(bc, image.Point{0, 5}, image.Point{25, 0})
|
|
testbraille.MustCopyTo(bc, c)
|
|
|
|
testcanvas.MustApply(c, ft)
|
|
return ft
|
|
},
|
|
},
|
|
{
|
|
desc: "draws adaptive Y axis",
|
|
opts: []Option{
|
|
YAxisAdaptive(),
|
|
},
|
|
canvas: image.Rect(0, 0, 20, 10),
|
|
writes: func(lc *LineChart) error {
|
|
return lc.Series("first", []float64{1600, 1900})
|
|
},
|
|
wantCapacity: 24,
|
|
want: func(size image.Point) *faketerm.Terminal {
|
|
ft := faketerm.MustNew(size)
|
|
c := testcanvas.MustNew(ft.Area())
|
|
|
|
// Y and X axis.
|
|
lines := []draw.HVLine{
|
|
{Start: image.Point{7, 0}, End: image.Point{7, 8}},
|
|
{Start: image.Point{7, 8}, End: image.Point{19, 8}},
|
|
}
|
|
testdraw.MustHVLines(c, lines)
|
|
|
|
// Value labels.
|
|
testdraw.MustText(c, "1600", image.Point{3, 7})
|
|
testdraw.MustText(c, "1754.88", image.Point{0, 3})
|
|
testdraw.MustText(c, "0", image.Point{8, 9})
|
|
testdraw.MustText(c, "1", image.Point{19, 9})
|
|
|
|
// Braille line.
|
|
graphAr := image.Rect(8, 0, 20, 8)
|
|
bc := testbraille.MustNew(graphAr)
|
|
testdraw.MustBrailleLine(bc, image.Point{0, 31}, image.Point{23, 0})
|
|
testbraille.MustCopyTo(bc, c)
|
|
|
|
testcanvas.MustApply(c, ft)
|
|
return ft
|
|
},
|
|
},
|
|
{
|
|
desc: "custom X labels, horizontal by default",
|
|
canvas: image.Rect(0, 0, 20, 10),
|
|
writes: func(lc *LineChart) error {
|
|
return lc.Series("first", []float64{0, 100}, SeriesXLabels(map[int]string{
|
|
0: "start",
|
|
1: "end",
|
|
}))
|
|
},
|
|
wantCapacity: 28,
|
|
want: func(size image.Point) *faketerm.Terminal {
|
|
ft := faketerm.MustNew(size)
|
|
c := testcanvas.MustNew(ft.Area())
|
|
|
|
// Y and X axis.
|
|
lines := []draw.HVLine{
|
|
{Start: image.Point{5, 0}, End: image.Point{5, 8}},
|
|
{Start: image.Point{5, 8}, End: image.Point{19, 8}},
|
|
}
|
|
testdraw.MustHVLines(c, lines)
|
|
|
|
// Value labels.
|
|
testdraw.MustText(c, "0", image.Point{4, 7})
|
|
testdraw.MustText(c, "51.68", image.Point{0, 3})
|
|
testdraw.MustText(c, "start", image.Point{6, 9})
|
|
|
|
// Braille line.
|
|
graphAr := image.Rect(6, 0, 20, 8)
|
|
bc := testbraille.MustNew(graphAr)
|
|
testdraw.MustBrailleLine(bc, image.Point{0, 31}, image.Point{26, 0})
|
|
testbraille.MustCopyTo(bc, c)
|
|
|
|
testcanvas.MustApply(c, ft)
|
|
return ft
|
|
},
|
|
},
|
|
{
|
|
desc: "custom X labels, horizontal with option",
|
|
opts: []Option{
|
|
XLabelsHorizontal(),
|
|
},
|
|
canvas: image.Rect(0, 0, 20, 10),
|
|
writes: func(lc *LineChart) error {
|
|
return lc.Series("first", []float64{0, 100}, SeriesXLabels(map[int]string{
|
|
0: "start",
|
|
1: "end",
|
|
}))
|
|
},
|
|
wantCapacity: 28,
|
|
want: func(size image.Point) *faketerm.Terminal {
|
|
ft := faketerm.MustNew(size)
|
|
c := testcanvas.MustNew(ft.Area())
|
|
|
|
// Y and X axis.
|
|
lines := []draw.HVLine{
|
|
{Start: image.Point{5, 0}, End: image.Point{5, 8}},
|
|
{Start: image.Point{5, 8}, End: image.Point{19, 8}},
|
|
}
|
|
testdraw.MustHVLines(c, lines)
|
|
|
|
// Value labels.
|
|
testdraw.MustText(c, "0", image.Point{4, 7})
|
|
testdraw.MustText(c, "51.68", image.Point{0, 3})
|
|
testdraw.MustText(c, "start", image.Point{6, 9})
|
|
|
|
// Braille line.
|
|
graphAr := image.Rect(6, 0, 20, 8)
|
|
bc := testbraille.MustNew(graphAr)
|
|
testdraw.MustBrailleLine(bc, image.Point{0, 31}, image.Point{26, 0})
|
|
testbraille.MustCopyTo(bc, c)
|
|
|
|
testcanvas.MustApply(c, ft)
|
|
return ft
|
|
},
|
|
},
|
|
{
|
|
desc: "custom X labels, vertical",
|
|
opts: []Option{
|
|
XLabelsVertical(),
|
|
},
|
|
canvas: image.Rect(0, 0, 20, 10),
|
|
writes: func(lc *LineChart) error {
|
|
return lc.Series("first", []float64{0, 100}, SeriesXLabels(map[int]string{
|
|
0: "start",
|
|
1: "end",
|
|
}))
|
|
},
|
|
wantCapacity: 26,
|
|
want: func(size image.Point) *faketerm.Terminal {
|
|
ft := faketerm.MustNew(size)
|
|
c := testcanvas.MustNew(ft.Area())
|
|
|
|
// Y and X axis.
|
|
lines := []draw.HVLine{
|
|
{Start: image.Point{6, 0}, End: image.Point{6, 4}},
|
|
{Start: image.Point{6, 4}, End: image.Point{19, 4}},
|
|
}
|
|
testdraw.MustHVLines(c, lines)
|
|
|
|
// Value labels.
|
|
testdraw.MustText(c, "0", image.Point{5, 3})
|
|
testdraw.MustText(c, "80.040", image.Point{0, 0})
|
|
testdraw.MustVerticalText(c, "start", image.Point{7, 5})
|
|
testdraw.MustVerticalText(c, "end", image.Point{19, 5})
|
|
|
|
// Braille line.
|
|
graphAr := image.Rect(7, 0, 20, 4)
|
|
bc := testbraille.MustNew(graphAr)
|
|
testdraw.MustBrailleLine(bc, image.Point{0, 15}, image.Point{25, 0})
|
|
testbraille.MustCopyTo(bc, c)
|
|
|
|
testcanvas.MustApply(c, ft)
|
|
return ft
|
|
},
|
|
},
|
|
{
|
|
desc: "sets series cell options",
|
|
canvas: image.Rect(0, 0, 20, 10),
|
|
writes: func(lc *LineChart) error {
|
|
return lc.Series("first", []float64{0, 100}, SeriesCellOpts(cell.BgColor(cell.ColorRed), cell.FgColor(cell.ColorGreen)))
|
|
},
|
|
wantCapacity: 28,
|
|
want: func(size image.Point) *faketerm.Terminal {
|
|
ft := faketerm.MustNew(size)
|
|
c := testcanvas.MustNew(ft.Area())
|
|
|
|
// Y and X axis.
|
|
lines := []draw.HVLine{
|
|
{Start: image.Point{5, 0}, End: image.Point{5, 8}},
|
|
{Start: image.Point{5, 8}, End: image.Point{19, 8}},
|
|
}
|
|
testdraw.MustHVLines(c, lines)
|
|
|
|
// Value labels.
|
|
testdraw.MustText(c, "0", image.Point{4, 7})
|
|
testdraw.MustText(c, "51.68", image.Point{0, 3})
|
|
testdraw.MustText(c, "0", image.Point{6, 9})
|
|
testdraw.MustText(c, "1", image.Point{19, 9})
|
|
|
|
// Braille line.
|
|
graphAr := image.Rect(6, 0, 20, 8)
|
|
bc := testbraille.MustNew(graphAr)
|
|
testdraw.MustBrailleLine(bc, image.Point{0, 31}, image.Point{26, 0}, draw.BrailleLineCellOpts(cell.BgColor(cell.ColorRed), cell.FgColor(cell.ColorGreen)))
|
|
testbraille.MustCopyTo(bc, c)
|
|
|
|
testcanvas.MustApply(c, ft)
|
|
return ft
|
|
},
|
|
},
|
|
{
|
|
desc: "multiple Y and X labels",
|
|
canvas: image.Rect(0, 0, 20, 11),
|
|
writes: func(lc *LineChart) error {
|
|
return lc.Series("first", []float64{0, 50, 100})
|
|
},
|
|
wantCapacity: 28,
|
|
want: func(size image.Point) *faketerm.Terminal {
|
|
ft := faketerm.MustNew(size)
|
|
c := testcanvas.MustNew(ft.Area())
|
|
|
|
// Y and X axis.
|
|
lines := []draw.HVLine{
|
|
{Start: image.Point{5, 0}, End: image.Point{5, 9}},
|
|
{Start: image.Point{5, 9}, End: image.Point{19, 9}},
|
|
}
|
|
testdraw.MustHVLines(c, lines)
|
|
|
|
// Value labels.
|
|
testdraw.MustText(c, "0", image.Point{4, 8})
|
|
testdraw.MustText(c, "45.76", image.Point{0, 4})
|
|
testdraw.MustText(c, "91.52", image.Point{0, 0})
|
|
testdraw.MustText(c, "0", image.Point{6, 10})
|
|
testdraw.MustText(c, "1", image.Point{12, 10})
|
|
testdraw.MustText(c, "2", image.Point{19, 10})
|
|
|
|
// Braille line.
|
|
graphAr := image.Rect(6, 0, 20, 9)
|
|
bc := testbraille.MustNew(graphAr)
|
|
testdraw.MustBrailleLine(bc, image.Point{0, 35}, image.Point{13, 18})
|
|
testdraw.MustBrailleLine(bc, image.Point{13, 18}, image.Point{27, 0})
|
|
testbraille.MustCopyTo(bc, c)
|
|
|
|
testcanvas.MustApply(c, ft)
|
|
return ft
|
|
},
|
|
},
|
|
{
|
|
desc: "Y labels are trimmed",
|
|
canvas: image.Rect(0, 0, 5, 4),
|
|
writes: func(lc *LineChart) error {
|
|
return lc.Series("first", []float64{0, 100})
|
|
},
|
|
wantCapacity: 2,
|
|
want: func(size image.Point) *faketerm.Terminal {
|
|
ft := faketerm.MustNew(size)
|
|
c := testcanvas.MustNew(ft.Area())
|
|
|
|
// Y and X axis.
|
|
lines := []draw.HVLine{
|
|
{Start: image.Point{3, 0}, End: image.Point{3, 2}},
|
|
{Start: image.Point{3, 2}, End: image.Point{4, 2}},
|
|
}
|
|
testdraw.MustHVLines(c, lines)
|
|
|
|
// Value labels.
|
|
testdraw.MustText(c, "0", image.Point{2, 1})
|
|
testdraw.MustText(c, "57…", image.Point{0, 0})
|
|
testdraw.MustText(c, "0", image.Point{4, 3})
|
|
|
|
// Braille line.
|
|
graphAr := image.Rect(4, 0, 5, 2)
|
|
bc := testbraille.MustNew(graphAr)
|
|
testdraw.MustBrailleLine(bc, image.Point{0, 7}, image.Point{1, 0})
|
|
testbraille.MustCopyTo(bc, c)
|
|
|
|
testcanvas.MustApply(c, ft)
|
|
return ft
|
|
},
|
|
},
|
|
{
|
|
desc: "draw multiple series",
|
|
canvas: image.Rect(0, 0, 20, 10),
|
|
writes: func(lc *LineChart) error {
|
|
if err := lc.Series("first", []float64{0, 50, 100}); err != nil {
|
|
return err
|
|
}
|
|
return lc.Series("second", []float64{100, 0})
|
|
},
|
|
wantCapacity: 28,
|
|
want: func(size image.Point) *faketerm.Terminal {
|
|
ft := faketerm.MustNew(size)
|
|
c := testcanvas.MustNew(ft.Area())
|
|
|
|
// Y and X axis.
|
|
lines := []draw.HVLine{
|
|
{Start: image.Point{5, 0}, End: image.Point{5, 8}},
|
|
{Start: image.Point{5, 8}, End: image.Point{19, 8}},
|
|
}
|
|
testdraw.MustHVLines(c, lines)
|
|
|
|
// Value labels.
|
|
testdraw.MustText(c, "0", image.Point{4, 7})
|
|
testdraw.MustText(c, "51.68", image.Point{0, 3})
|
|
testdraw.MustText(c, "0", image.Point{6, 9})
|
|
testdraw.MustText(c, "1", image.Point{12, 9})
|
|
testdraw.MustText(c, "2", image.Point{19, 9})
|
|
|
|
// Braille line.
|
|
graphAr := image.Rect(6, 0, 20, 8)
|
|
bc := testbraille.MustNew(graphAr)
|
|
testdraw.MustBrailleLine(bc, image.Point{0, 31}, image.Point{27, 0})
|
|
testdraw.MustBrailleLine(bc, image.Point{0, 0}, image.Point{13, 31})
|
|
testbraille.MustCopyTo(bc, c)
|
|
|
|
testcanvas.MustApply(c, ft)
|
|
return ft
|
|
},
|
|
},
|
|
{
|
|
desc: "draw multiple series with different cell options, last series wins where they cross",
|
|
canvas: image.Rect(0, 0, 20, 10),
|
|
writes: func(lc *LineChart) error {
|
|
if err := lc.Series("first", []float64{0, 50, 100}, SeriesCellOpts(cell.FgColor(cell.ColorRed))); err != nil {
|
|
return err
|
|
}
|
|
return lc.Series("second", []float64{100, 0}, SeriesCellOpts(cell.FgColor(cell.ColorBlue)))
|
|
},
|
|
wantCapacity: 28,
|
|
want: func(size image.Point) *faketerm.Terminal {
|
|
ft := faketerm.MustNew(size)
|
|
c := testcanvas.MustNew(ft.Area())
|
|
|
|
// Y and X axis.
|
|
lines := []draw.HVLine{
|
|
{Start: image.Point{5, 0}, End: image.Point{5, 8}},
|
|
{Start: image.Point{5, 8}, End: image.Point{19, 8}},
|
|
}
|
|
testdraw.MustHVLines(c, lines)
|
|
|
|
// Value labels.
|
|
testdraw.MustText(c, "0", image.Point{4, 7})
|
|
testdraw.MustText(c, "51.68", image.Point{0, 3})
|
|
testdraw.MustText(c, "0", image.Point{6, 9})
|
|
testdraw.MustText(c, "1", image.Point{12, 9})
|
|
testdraw.MustText(c, "2", image.Point{19, 9})
|
|
|
|
// Braille line.
|
|
graphAr := image.Rect(6, 0, 20, 8)
|
|
bc := testbraille.MustNew(graphAr)
|
|
testdraw.MustBrailleLine(bc, image.Point{0, 31}, image.Point{27, 0}, draw.BrailleLineCellOpts(cell.FgColor(cell.ColorRed)))
|
|
testdraw.MustBrailleLine(bc, image.Point{0, 0}, image.Point{13, 31}, draw.BrailleLineCellOpts(cell.FgColor(cell.ColorBlue)))
|
|
testbraille.MustCopyTo(bc, c)
|
|
|
|
testcanvas.MustApply(c, ft)
|
|
return ft
|
|
},
|
|
},
|
|
{
|
|
desc: "draw multiple series, the second has smaller scale than the first",
|
|
canvas: image.Rect(0, 0, 20, 10),
|
|
writes: func(lc *LineChart) error {
|
|
if err := lc.Series("first", []float64{0, 50, 100}); err != nil {
|
|
return err
|
|
}
|
|
return lc.Series("second", []float64{10, 20})
|
|
},
|
|
wantCapacity: 28,
|
|
want: func(size image.Point) *faketerm.Terminal {
|
|
ft := faketerm.MustNew(size)
|
|
c := testcanvas.MustNew(ft.Area())
|
|
|
|
// Y and X axis.
|
|
lines := []draw.HVLine{
|
|
{Start: image.Point{5, 0}, End: image.Point{5, 8}},
|
|
{Start: image.Point{5, 8}, End: image.Point{19, 8}},
|
|
}
|
|
testdraw.MustHVLines(c, lines)
|
|
|
|
// Value labels.
|
|
testdraw.MustText(c, "0", image.Point{4, 7})
|
|
testdraw.MustText(c, "51.68", image.Point{0, 3})
|
|
testdraw.MustText(c, "0", image.Point{6, 9})
|
|
testdraw.MustText(c, "1", image.Point{12, 9})
|
|
testdraw.MustText(c, "2", image.Point{19, 9})
|
|
|
|
// Braille line.
|
|
graphAr := image.Rect(6, 0, 20, 8)
|
|
bc := testbraille.MustNew(graphAr)
|
|
testdraw.MustBrailleLine(bc, image.Point{0, 31}, image.Point{13, 16})
|
|
testdraw.MustBrailleLine(bc, image.Point{13, 16}, image.Point{27, 0})
|
|
testdraw.MustBrailleLine(bc, image.Point{0, 28}, image.Point{13, 25})
|
|
testbraille.MustCopyTo(bc, c)
|
|
|
|
testcanvas.MustApply(c, ft)
|
|
return ft
|
|
},
|
|
},
|
|
{
|
|
desc: "draw multiple series, the second has larger scale than the first",
|
|
canvas: image.Rect(0, 0, 20, 10),
|
|
writes: func(lc *LineChart) error {
|
|
if err := lc.Series("first", []float64{0, 50, 100}); err != nil {
|
|
return err
|
|
}
|
|
return lc.Series("second", []float64{-10, 200})
|
|
},
|
|
wantCapacity: 28,
|
|
want: func(size image.Point) *faketerm.Terminal {
|
|
ft := faketerm.MustNew(size)
|
|
c := testcanvas.MustNew(ft.Area())
|
|
|
|
// Y and X axis.
|
|
lines := []draw.HVLine{
|
|
{Start: image.Point{5, 0}, End: image.Point{5, 8}},
|
|
{Start: image.Point{5, 8}, End: image.Point{19, 8}},
|
|
}
|
|
testdraw.MustHVLines(c, lines)
|
|
|
|
// Value labels.
|
|
testdraw.MustText(c, "-10", image.Point{2, 7})
|
|
testdraw.MustText(c, "98.48", image.Point{0, 3})
|
|
testdraw.MustText(c, "0", image.Point{6, 9})
|
|
testdraw.MustText(c, "1", image.Point{12, 9})
|
|
testdraw.MustText(c, "2", image.Point{19, 9})
|
|
|
|
// Braille line.
|
|
graphAr := image.Rect(6, 0, 20, 8)
|
|
bc := testbraille.MustNew(graphAr)
|
|
testdraw.MustBrailleLine(bc, image.Point{0, 30}, image.Point{13, 22})
|
|
testdraw.MustBrailleLine(bc, image.Point{13, 22}, image.Point{27, 15})
|
|
testdraw.MustBrailleLine(bc, image.Point{0, 31}, image.Point{13, 0})
|
|
testbraille.MustCopyTo(bc, c)
|
|
|
|
testcanvas.MustApply(c, ft)
|
|
return ft
|
|
},
|
|
},
|
|
{
|
|
desc: "more values than capacity, X rescales",
|
|
canvas: image.Rect(0, 0, 11, 10),
|
|
writes: func(lc *LineChart) error {
|
|
return lc.Series("first", []float64{0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19})
|
|
},
|
|
wantCapacity: 12,
|
|
want: func(size image.Point) *faketerm.Terminal {
|
|
ft := faketerm.MustNew(size)
|
|
c := testcanvas.MustNew(ft.Area())
|
|
|
|
// Y and X axis.
|
|
lines := []draw.HVLine{
|
|
{Start: image.Point{4, 0}, End: image.Point{4, 8}},
|
|
{Start: image.Point{4, 8}, End: image.Point{10, 8}},
|
|
}
|
|
testdraw.MustHVLines(c, lines)
|
|
|
|
// Value labels.
|
|
testdraw.MustText(c, "0", image.Point{3, 7})
|
|
testdraw.MustText(c, "9.92", image.Point{0, 3})
|
|
testdraw.MustText(c, "0", image.Point{5, 9})
|
|
testdraw.MustText(c, "14", image.Point{9, 9})
|
|
|
|
// Braille line.
|
|
graphAr := image.Rect(5, 0, 11, 8)
|
|
bc := testbraille.MustNew(graphAr)
|
|
testdraw.MustBrailleLine(bc, image.Point{0, 31}, image.Point{1, 29})
|
|
testdraw.MustBrailleLine(bc, image.Point{1, 29}, image.Point{1, 28})
|
|
testdraw.MustBrailleLine(bc, image.Point{1, 28}, image.Point{2, 26})
|
|
testdraw.MustBrailleLine(bc, image.Point{2, 26}, image.Point{2, 25})
|
|
testdraw.MustBrailleLine(bc, image.Point{2, 25}, image.Point{3, 23})
|
|
testdraw.MustBrailleLine(bc, image.Point{3, 23}, image.Point{3, 21})
|
|
testdraw.MustBrailleLine(bc, image.Point{3, 21}, image.Point{4, 20})
|
|
testdraw.MustBrailleLine(bc, image.Point{4, 20}, image.Point{5, 18})
|
|
testdraw.MustBrailleLine(bc, image.Point{5, 18}, image.Point{5, 16})
|
|
testdraw.MustBrailleLine(bc, image.Point{5, 16}, image.Point{6, 15})
|
|
testdraw.MustBrailleLine(bc, image.Point{6, 15}, image.Point{6, 13})
|
|
testdraw.MustBrailleLine(bc, image.Point{6, 13}, image.Point{7, 12})
|
|
testdraw.MustBrailleLine(bc, image.Point{7, 12}, image.Point{8, 10})
|
|
testdraw.MustBrailleLine(bc, image.Point{8, 10}, image.Point{8, 8})
|
|
testdraw.MustBrailleLine(bc, image.Point{8, 8}, image.Point{9, 7})
|
|
testdraw.MustBrailleLine(bc, image.Point{9, 7}, image.Point{9, 5})
|
|
testdraw.MustBrailleLine(bc, image.Point{9, 5}, image.Point{10, 4})
|
|
testdraw.MustBrailleLine(bc, image.Point{10, 4}, image.Point{10, 2})
|
|
testdraw.MustBrailleLine(bc, image.Point{10, 2}, image.Point{11, 0})
|
|
testbraille.MustCopyTo(bc, c)
|
|
|
|
testcanvas.MustApply(c, ft)
|
|
return ft
|
|
},
|
|
},
|
|
{
|
|
desc: "more values than capacity, X unscaled",
|
|
opts: []Option{
|
|
XAxisUnscaled(),
|
|
},
|
|
canvas: image.Rect(0, 0, 11, 10),
|
|
writes: func(lc *LineChart) error {
|
|
return lc.Series("first", []float64{0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19})
|
|
},
|
|
wantCapacity: 12,
|
|
want: func(size image.Point) *faketerm.Terminal {
|
|
ft := faketerm.MustNew(size)
|
|
c := testcanvas.MustNew(ft.Area())
|
|
|
|
// Y and X axis.
|
|
lines := []draw.HVLine{
|
|
{Start: image.Point{4, 0}, End: image.Point{4, 8}},
|
|
{Start: image.Point{4, 8}, End: image.Point{10, 8}},
|
|
}
|
|
testdraw.MustHVLines(c, lines)
|
|
|
|
// Value labels.
|
|
testdraw.MustText(c, "0", image.Point{3, 7})
|
|
testdraw.MustText(c, "9.92", image.Point{0, 3})
|
|
testdraw.MustText(c, "8", image.Point{5, 9})
|
|
testdraw.MustText(c, "16", image.Point{9, 9})
|
|
|
|
// Braille line.
|
|
graphAr := image.Rect(5, 0, 11, 8)
|
|
bc := testbraille.MustNew(graphAr)
|
|
testdraw.MustBrailleLine(bc, image.Point{0, 18}, image.Point{1, 16})
|
|
testdraw.MustBrailleLine(bc, image.Point{1, 16}, image.Point{2, 15})
|
|
testdraw.MustBrailleLine(bc, image.Point{2, 15}, image.Point{3, 13})
|
|
testdraw.MustBrailleLine(bc, image.Point{3, 13}, image.Point{4, 12})
|
|
testdraw.MustBrailleLine(bc, image.Point{4, 12}, image.Point{5, 10})
|
|
testdraw.MustBrailleLine(bc, image.Point{5, 10}, image.Point{6, 8})
|
|
testdraw.MustBrailleLine(bc, image.Point{6, 8}, image.Point{7, 7})
|
|
testdraw.MustBrailleLine(bc, image.Point{7, 7}, image.Point{8, 5})
|
|
testdraw.MustBrailleLine(bc, image.Point{8, 5}, image.Point{9, 4})
|
|
testdraw.MustBrailleLine(bc, image.Point{9, 4}, image.Point{10, 2})
|
|
testdraw.MustBrailleLine(bc, image.Point{10, 2}, image.Point{11, 0})
|
|
testbraille.MustCopyTo(bc, c)
|
|
|
|
testcanvas.MustApply(c, ft)
|
|
return ft
|
|
},
|
|
},
|
|
{
|
|
desc: "more values than capacity, X unscaled, hides shorter series",
|
|
opts: []Option{
|
|
XAxisUnscaled(),
|
|
},
|
|
canvas: image.Rect(0, 0, 11, 10),
|
|
writes: func(lc *LineChart) error {
|
|
if err := lc.Series("first", []float64{0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19}); err != nil {
|
|
return err
|
|
}
|
|
return lc.Series("shorter", []float64{8, 7, 6, 5, 4, 3, 2, 1, 0})
|
|
},
|
|
wantCapacity: 12,
|
|
want: func(size image.Point) *faketerm.Terminal {
|
|
ft := faketerm.MustNew(size)
|
|
c := testcanvas.MustNew(ft.Area())
|
|
|
|
// Y and X axis.
|
|
lines := []draw.HVLine{
|
|
{Start: image.Point{4, 0}, End: image.Point{4, 8}},
|
|
{Start: image.Point{4, 8}, End: image.Point{10, 8}},
|
|
}
|
|
testdraw.MustHVLines(c, lines)
|
|
|
|
// Value labels.
|
|
testdraw.MustText(c, "0", image.Point{3, 7})
|
|
testdraw.MustText(c, "9.92", image.Point{0, 3})
|
|
testdraw.MustText(c, "8", image.Point{5, 9})
|
|
testdraw.MustText(c, "16", image.Point{9, 9})
|
|
|
|
// Braille line.
|
|
graphAr := image.Rect(5, 0, 11, 8)
|
|
bc := testbraille.MustNew(graphAr)
|
|
testdraw.MustBrailleLine(bc, image.Point{0, 18}, image.Point{1, 16})
|
|
testdraw.MustBrailleLine(bc, image.Point{1, 16}, image.Point{2, 15})
|
|
testdraw.MustBrailleLine(bc, image.Point{2, 15}, image.Point{3, 13})
|
|
testdraw.MustBrailleLine(bc, image.Point{3, 13}, image.Point{4, 12})
|
|
testdraw.MustBrailleLine(bc, image.Point{4, 12}, image.Point{5, 10})
|
|
testdraw.MustBrailleLine(bc, image.Point{5, 10}, image.Point{6, 8})
|
|
testdraw.MustBrailleLine(bc, image.Point{6, 8}, image.Point{7, 7})
|
|
testdraw.MustBrailleLine(bc, image.Point{7, 7}, image.Point{8, 5})
|
|
testdraw.MustBrailleLine(bc, image.Point{8, 5}, image.Point{9, 4})
|
|
testdraw.MustBrailleLine(bc, image.Point{9, 4}, image.Point{10, 2})
|
|
testdraw.MustBrailleLine(bc, image.Point{10, 2}, image.Point{11, 0})
|
|
testbraille.MustCopyTo(bc, c)
|
|
|
|
testcanvas.MustApply(c, ft)
|
|
return ft
|
|
},
|
|
},
|
|
{
|
|
desc: "more values than capacity, X unscaled, shorter series displayed partially",
|
|
opts: []Option{
|
|
XAxisUnscaled(),
|
|
},
|
|
canvas: image.Rect(0, 0, 11, 10),
|
|
writes: func(lc *LineChart) error {
|
|
if err := lc.Series("first", []float64{0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19}); err != nil {
|
|
return err
|
|
}
|
|
return lc.Series("shorter", []float64{9, 8, 7, 6, 5, 4, 3, 2, 1, 0})
|
|
},
|
|
wantCapacity: 12,
|
|
want: func(size image.Point) *faketerm.Terminal {
|
|
ft := faketerm.MustNew(size)
|
|
c := testcanvas.MustNew(ft.Area())
|
|
|
|
// Y and X axis.
|
|
lines := []draw.HVLine{
|
|
{Start: image.Point{4, 0}, End: image.Point{4, 8}},
|
|
{Start: image.Point{4, 8}, End: image.Point{10, 8}},
|
|
}
|
|
testdraw.MustHVLines(c, lines)
|
|
|
|
// Value labels.
|
|
testdraw.MustText(c, "0", image.Point{3, 7})
|
|
testdraw.MustText(c, "9.92", image.Point{0, 3})
|
|
testdraw.MustText(c, "8", image.Point{5, 9})
|
|
testdraw.MustText(c, "16", image.Point{9, 9})
|
|
|
|
// Braille line.
|
|
graphAr := image.Rect(5, 0, 11, 8)
|
|
bc := testbraille.MustNew(graphAr)
|
|
testdraw.MustBrailleLine(bc, image.Point{0, 18}, image.Point{1, 16})
|
|
testdraw.MustBrailleLine(bc, image.Point{1, 16}, image.Point{2, 15})
|
|
testdraw.MustBrailleLine(bc, image.Point{2, 15}, image.Point{3, 13})
|
|
testdraw.MustBrailleLine(bc, image.Point{3, 13}, image.Point{4, 12})
|
|
testdraw.MustBrailleLine(bc, image.Point{4, 12}, image.Point{5, 10})
|
|
testdraw.MustBrailleLine(bc, image.Point{5, 10}, image.Point{6, 8})
|
|
testdraw.MustBrailleLine(bc, image.Point{6, 8}, image.Point{7, 7})
|
|
testdraw.MustBrailleLine(bc, image.Point{7, 7}, image.Point{8, 5})
|
|
testdraw.MustBrailleLine(bc, image.Point{8, 5}, image.Point{9, 4})
|
|
testdraw.MustBrailleLine(bc, image.Point{9, 4}, image.Point{10, 2})
|
|
testdraw.MustBrailleLine(bc, image.Point{10, 2}, image.Point{11, 0})
|
|
testdraw.MustBrailleLine(bc, image.Point{0, 29}, image.Point{1, 31})
|
|
testbraille.MustCopyTo(bc, c)
|
|
|
|
testcanvas.MustApply(c, ft)
|
|
return ft
|
|
},
|
|
},
|
|
{
|
|
desc: "values fit capacity, X unscaled takes no effect",
|
|
opts: []Option{
|
|
XAxisUnscaled(),
|
|
},
|
|
canvas: image.Rect(0, 0, 11, 10),
|
|
writes: func(lc *LineChart) error {
|
|
return lc.Series("first", []float64{0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11})
|
|
},
|
|
wantCapacity: 12,
|
|
want: func(size image.Point) *faketerm.Terminal {
|
|
ft := faketerm.MustNew(size)
|
|
c := testcanvas.MustNew(ft.Area())
|
|
|
|
// Y and X axis.
|
|
lines := []draw.HVLine{
|
|
{Start: image.Point{4, 0}, End: image.Point{4, 8}},
|
|
{Start: image.Point{4, 8}, End: image.Point{10, 8}},
|
|
}
|
|
testdraw.MustHVLines(c, lines)
|
|
|
|
// Value labels.
|
|
testdraw.MustText(c, "0", image.Point{3, 7})
|
|
testdraw.MustText(c, "5.76", image.Point{0, 3})
|
|
testdraw.MustText(c, "0", image.Point{5, 9})
|
|
testdraw.MustText(c, "8", image.Point{9, 9})
|
|
|
|
// Braille line.
|
|
graphAr := image.Rect(5, 0, 11, 8)
|
|
bc := testbraille.MustNew(graphAr)
|
|
testdraw.MustBrailleLine(bc, image.Point{0, 31}, image.Point{1, 28})
|
|
testdraw.MustBrailleLine(bc, image.Point{1, 28}, image.Point{2, 25})
|
|
testdraw.MustBrailleLine(bc, image.Point{2, 25}, image.Point{3, 23})
|
|
testdraw.MustBrailleLine(bc, image.Point{3, 23}, image.Point{4, 20})
|
|
testdraw.MustBrailleLine(bc, image.Point{4, 20}, image.Point{5, 17})
|
|
testdraw.MustBrailleLine(bc, image.Point{5, 17}, image.Point{6, 14})
|
|
testdraw.MustBrailleLine(bc, image.Point{6, 14}, image.Point{7, 12})
|
|
testdraw.MustBrailleLine(bc, image.Point{7, 12}, image.Point{8, 9})
|
|
testdraw.MustBrailleLine(bc, image.Point{8, 9}, image.Point{9, 6})
|
|
testdraw.MustBrailleLine(bc, image.Point{9, 6}, image.Point{10, 3})
|
|
testdraw.MustBrailleLine(bc, image.Point{10, 3}, image.Point{11, 0})
|
|
testbraille.MustCopyTo(bc, c)
|
|
|
|
testcanvas.MustApply(c, ft)
|
|
return ft
|
|
},
|
|
},
|
|
{
|
|
desc: "highlights area for zoom",
|
|
canvas: image.Rect(0, 0, 20, 10),
|
|
writes: func(lc *LineChart) error {
|
|
if err := lc.Series("first", []float64{0, 100}); err != nil {
|
|
return err
|
|
}
|
|
// Draw once so zoom tracker is initialized.
|
|
cvs := testcanvas.MustNew(image.Rect(0, 0, 20, 10))
|
|
if err := lc.Draw(cvs, &widgetapi.Meta{}); err != nil {
|
|
return err
|
|
}
|
|
return lc.Mouse(&terminalapi.Mouse{
|
|
Position: image.Point{6, 5},
|
|
Button: mouse.ButtonLeft,
|
|
})
|
|
},
|
|
wantCapacity: 28,
|
|
want: func(size image.Point) *faketerm.Terminal {
|
|
ft := faketerm.MustNew(size)
|
|
c := testcanvas.MustNew(ft.Area())
|
|
|
|
// Y and X axis.
|
|
lines := []draw.HVLine{
|
|
{Start: image.Point{5, 0}, End: image.Point{5, 8}},
|
|
{Start: image.Point{5, 8}, End: image.Point{19, 8}},
|
|
}
|
|
testdraw.MustHVLines(c, lines)
|
|
|
|
// Value labels.
|
|
testdraw.MustText(c, "0", image.Point{4, 7})
|
|
testdraw.MustText(c, "51.68", image.Point{0, 3})
|
|
testdraw.MustText(c, "0", image.Point{6, 9})
|
|
testdraw.MustText(c, "1", image.Point{19, 9})
|
|
|
|
// Braille line.
|
|
graphAr := image.Rect(6, 0, 20, 8)
|
|
bc := testbraille.MustNew(graphAr)
|
|
testdraw.MustBrailleLine(bc, image.Point{0, 31}, image.Point{26, 0})
|
|
|
|
// Highlighted area for zoom.
|
|
testbraille.MustSetAreaCellOpts(bc, image.Rect(0, 0, 1, 8), cell.BgColor(cell.ColorNumber(235)))
|
|
|
|
testbraille.MustCopyTo(bc, c)
|
|
testcanvas.MustApply(c, ft)
|
|
return ft
|
|
},
|
|
},
|
|
{
|
|
desc: "highlights area for zoom to a custom color",
|
|
opts: []Option{
|
|
ZoomHightlightColor(cell.ColorNumber(13)),
|
|
},
|
|
canvas: image.Rect(0, 0, 20, 10),
|
|
writes: func(lc *LineChart) error {
|
|
if err := lc.Series("first", []float64{0, 100}); err != nil {
|
|
return err
|
|
}
|
|
// Draw once so zoom tracker is initialized.
|
|
cvs := testcanvas.MustNew(image.Rect(0, 0, 20, 10))
|
|
if err := lc.Draw(cvs, &widgetapi.Meta{}); err != nil {
|
|
return err
|
|
}
|
|
return lc.Mouse(&terminalapi.Mouse{
|
|
Position: image.Point{6, 5},
|
|
Button: mouse.ButtonLeft,
|
|
})
|
|
},
|
|
wantCapacity: 28,
|
|
want: func(size image.Point) *faketerm.Terminal {
|
|
ft := faketerm.MustNew(size)
|
|
c := testcanvas.MustNew(ft.Area())
|
|
|
|
// Y and X axis.
|
|
lines := []draw.HVLine{
|
|
{Start: image.Point{5, 0}, End: image.Point{5, 8}},
|
|
{Start: image.Point{5, 8}, End: image.Point{19, 8}},
|
|
}
|
|
testdraw.MustHVLines(c, lines)
|
|
|
|
// Value labels.
|
|
testdraw.MustText(c, "0", image.Point{4, 7})
|
|
testdraw.MustText(c, "51.68", image.Point{0, 3})
|
|
testdraw.MustText(c, "0", image.Point{6, 9})
|
|
testdraw.MustText(c, "1", image.Point{19, 9})
|
|
|
|
// Braille line.
|
|
graphAr := image.Rect(6, 0, 20, 8)
|
|
bc := testbraille.MustNew(graphAr)
|
|
testdraw.MustBrailleLine(bc, image.Point{0, 31}, image.Point{26, 0})
|
|
|
|
// Highlighted area for zoom.
|
|
testbraille.MustSetAreaCellOpts(bc, image.Rect(0, 0, 1, 8), cell.BgColor(cell.ColorNumber(13)))
|
|
|
|
testbraille.MustCopyTo(bc, c)
|
|
testcanvas.MustApply(c, ft)
|
|
return ft
|
|
},
|
|
},
|
|
{
|
|
desc: "zooms in on scroll up",
|
|
opts: []Option{
|
|
ZoomStepPercent(50),
|
|
},
|
|
canvas: image.Rect(0, 0, 20, 10),
|
|
writes: func(lc *LineChart) error {
|
|
if err := lc.Series("first", []float64{0, 25, 75, 100}); err != nil {
|
|
return err
|
|
}
|
|
// Draw once so zoom tracker is initialized.
|
|
cvs := testcanvas.MustNew(image.Rect(0, 0, 20, 10))
|
|
if err := lc.Draw(cvs, &widgetapi.Meta{}); err != nil {
|
|
return err
|
|
}
|
|
return lc.Mouse(&terminalapi.Mouse{
|
|
Position: image.Point{8, 5},
|
|
Button: mouse.ButtonWheelUp,
|
|
})
|
|
},
|
|
wantCapacity: 28,
|
|
want: func(size image.Point) *faketerm.Terminal {
|
|
ft := faketerm.MustNew(size)
|
|
c := testcanvas.MustNew(ft.Area())
|
|
|
|
// Y and X axis.
|
|
lines := []draw.HVLine{
|
|
{Start: image.Point{5, 0}, End: image.Point{5, 8}},
|
|
{Start: image.Point{5, 8}, End: image.Point{19, 8}},
|
|
}
|
|
testdraw.MustHVLines(c, lines)
|
|
|
|
// Value labels.
|
|
testdraw.MustText(c, "0", image.Point{4, 7})
|
|
testdraw.MustText(c, "51.68", image.Point{0, 3})
|
|
testdraw.MustText(c, "0", image.Point{6, 9})
|
|
testdraw.MustText(c, "1", image.Point{12, 9})
|
|
testdraw.MustText(c, "2", image.Point{19, 9})
|
|
|
|
// Braille line.
|
|
graphAr := image.Rect(6, 0, 20, 8)
|
|
bc := testbraille.MustNew(graphAr)
|
|
testdraw.MustBrailleLine(bc, image.Point{0, 31}, image.Point{13, 23})
|
|
testdraw.MustBrailleLine(bc, image.Point{13, 23}, image.Point{27, 8})
|
|
|
|
testbraille.MustCopyTo(bc, c)
|
|
testcanvas.MustApply(c, ft)
|
|
return ft
|
|
},
|
|
},
|
|
{
|
|
desc: "tracks mouse clicks when canvas size increases, regression for #148",
|
|
opts: []Option{
|
|
ZoomHightlightColor(cell.ColorNumber(13)),
|
|
},
|
|
canvas: image.Rect(0, 0, 20, 10),
|
|
writes: func(lc *LineChart) error {
|
|
if err := lc.Series("first", []float64{0, 100}); err != nil {
|
|
return err
|
|
}
|
|
// Draw twice with different canvas size to simulate resize.
|
|
{
|
|
cvs := testcanvas.MustNew(image.Rect(0, 0, 20, 7))
|
|
if err := lc.Draw(cvs, &widgetapi.Meta{}); err != nil {
|
|
return err
|
|
}
|
|
}
|
|
{
|
|
cvs := testcanvas.MustNew(image.Rect(0, 0, 20, 10))
|
|
if err := lc.Draw(cvs, &widgetapi.Meta{}); err != nil {
|
|
return err
|
|
}
|
|
}
|
|
return lc.Mouse(&terminalapi.Mouse{
|
|
Position: image.Point{6, 7},
|
|
Button: mouse.ButtonLeft,
|
|
})
|
|
},
|
|
wantCapacity: 28,
|
|
want: func(size image.Point) *faketerm.Terminal {
|
|
ft := faketerm.MustNew(size)
|
|
c := testcanvas.MustNew(ft.Area())
|
|
|
|
// Y and X axis.
|
|
lines := []draw.HVLine{
|
|
{Start: image.Point{5, 0}, End: image.Point{5, 8}},
|
|
{Start: image.Point{5, 8}, End: image.Point{19, 8}},
|
|
}
|
|
testdraw.MustHVLines(c, lines)
|
|
|
|
// Value labels.
|
|
testdraw.MustText(c, "0", image.Point{4, 7})
|
|
testdraw.MustText(c, "51.68", image.Point{0, 3})
|
|
testdraw.MustText(c, "0", image.Point{6, 9})
|
|
testdraw.MustText(c, "1", image.Point{19, 9})
|
|
|
|
// Braille line.
|
|
graphAr := image.Rect(6, 0, 20, 8)
|
|
bc := testbraille.MustNew(graphAr)
|
|
testdraw.MustBrailleLine(bc, image.Point{0, 31}, image.Point{26, 0})
|
|
|
|
// Highlighted area for zoom.
|
|
testbraille.MustSetAreaCellOpts(bc, image.Rect(0, 0, 1, 8), cell.BgColor(cell.ColorNumber(13)))
|
|
|
|
testbraille.MustCopyTo(bc, c)
|
|
testcanvas.MustApply(c, ft)
|
|
return ft
|
|
},
|
|
},
|
|
{
|
|
desc: "zoom in on unscaled X axis",
|
|
opts: []Option{
|
|
XAxisUnscaled(),
|
|
ZoomStepPercent(80),
|
|
},
|
|
canvas: image.Rect(0, 0, 10, 10),
|
|
writes: func(lc *LineChart) error {
|
|
var values []float64
|
|
for v := 0; v < 8; v++ {
|
|
values = append(values, float64(v))
|
|
}
|
|
if err := lc.Series("first", values); err != nil {
|
|
return err
|
|
}
|
|
|
|
// Draw once so zoom tracker is initialized.
|
|
cvs := testcanvas.MustNew(image.Rect(0, 0, 11, 10))
|
|
if err := lc.Draw(cvs, &widgetapi.Meta{}); err != nil {
|
|
return err
|
|
}
|
|
return lc.Mouse(&terminalapi.Mouse{
|
|
Position: image.Point{5, 0},
|
|
Button: mouse.ButtonWheelUp,
|
|
})
|
|
},
|
|
wantCapacity: 10,
|
|
want: func(size image.Point) *faketerm.Terminal {
|
|
ft := faketerm.MustNew(size)
|
|
c := testcanvas.MustNew(ft.Area())
|
|
|
|
// Y and X axis.
|
|
lines := []draw.HVLine{
|
|
{Start: image.Point{4, 0}, End: image.Point{4, 8}},
|
|
{Start: image.Point{4, 8}, End: image.Point{9, 8}},
|
|
}
|
|
testdraw.MustHVLines(c, lines)
|
|
|
|
// Value labels.
|
|
testdraw.MustText(c, "0", image.Point{3, 7})
|
|
testdraw.MustText(c, "3.68", image.Point{0, 3})
|
|
testdraw.MustText(c, "1", image.Point{5, 9})
|
|
testdraw.MustText(c, "3", image.Point{9, 9})
|
|
|
|
// Braille line.
|
|
graphAr := image.Rect(5, 0, 10, 8)
|
|
bc := testbraille.MustNew(graphAr)
|
|
testdraw.MustBrailleLine(bc, image.Point{0, 27}, image.Point{4, 22})
|
|
testdraw.MustBrailleLine(bc, image.Point{4, 22}, image.Point{9, 18})
|
|
|
|
testbraille.MustCopyTo(bc, c)
|
|
testcanvas.MustApply(c, ft)
|
|
return ft
|
|
},
|
|
},
|
|
{
|
|
desc: "shifts zoom when values on unscaled X axis roll out of the base axis view",
|
|
opts: []Option{
|
|
XAxisUnscaled(),
|
|
ZoomStepPercent(80),
|
|
},
|
|
canvas: image.Rect(0, 0, 10, 10),
|
|
writes: func(lc *LineChart) error {
|
|
var values []float64
|
|
for v := 0; v < 8; v++ {
|
|
values = append(values, float64(v))
|
|
}
|
|
if err := lc.Series("first", values); err != nil {
|
|
return err
|
|
}
|
|
|
|
// Draw once so zoom tracker is initialized.
|
|
cvs := testcanvas.MustNew(image.Rect(0, 0, 11, 10))
|
|
if err := lc.Draw(cvs, &widgetapi.Meta{}); err != nil {
|
|
return err
|
|
}
|
|
if err := lc.Mouse(&terminalapi.Mouse{
|
|
Position: image.Point{5, 0},
|
|
Button: mouse.ButtonWheelUp,
|
|
}); err != nil {
|
|
return err
|
|
}
|
|
|
|
// Add move values
|
|
for v := 0; v < 8; v++ {
|
|
values = append(values, float64(v))
|
|
}
|
|
return lc.Series("first", values)
|
|
},
|
|
wantCapacity: 10,
|
|
want: func(size image.Point) *faketerm.Terminal {
|
|
ft := faketerm.MustNew(size)
|
|
c := testcanvas.MustNew(ft.Area())
|
|
|
|
// Y and X axis.
|
|
lines := []draw.HVLine{
|
|
{Start: image.Point{4, 0}, End: image.Point{4, 8}},
|
|
{Start: image.Point{4, 8}, End: image.Point{9, 8}},
|
|
}
|
|
testdraw.MustHVLines(c, lines)
|
|
|
|
// Value labels.
|
|
testdraw.MustText(c, "0", image.Point{3, 7})
|
|
testdraw.MustText(c, "3.68", image.Point{0, 3})
|
|
testdraw.MustText(c, "6", image.Point{5, 9})
|
|
testdraw.MustText(c, "7", image.Point{9, 9})
|
|
|
|
// Braille line.
|
|
graphAr := image.Rect(5, 0, 10, 8)
|
|
bc := testbraille.MustNew(graphAr)
|
|
testdraw.MustBrailleLine(bc, image.Point{0, 5}, image.Point{8, 1})
|
|
|
|
testbraille.MustCopyTo(bc, c)
|
|
testcanvas.MustApply(c, ft)
|
|
return ft
|
|
},
|
|
},
|
|
{
|
|
desc: "regression for #174, protects against external data mutation",
|
|
canvas: image.Rect(0, 0, 20, 10),
|
|
writes: func(lc *LineChart) error {
|
|
values := []float64{0, 100}
|
|
labels := map[int]string{
|
|
0: "start",
|
|
1: "end",
|
|
}
|
|
if err := lc.Series("first", values, SeriesXLabels(labels)); err != nil {
|
|
return err
|
|
}
|
|
|
|
// Modify the values after they were passed in.
|
|
// Increase above the previous maximum to run out of the Y axis.
|
|
// The linechart should not use the original values.
|
|
values[1] = 1000
|
|
labels[0] = "bad"
|
|
return nil
|
|
},
|
|
wantCapacity: 28,
|
|
want: func(size image.Point) *faketerm.Terminal {
|
|
ft := faketerm.MustNew(size)
|
|
c := testcanvas.MustNew(ft.Area())
|
|
|
|
// Y and X axis.
|
|
lines := []draw.HVLine{
|
|
{Start: image.Point{5, 0}, End: image.Point{5, 8}},
|
|
{Start: image.Point{5, 8}, End: image.Point{19, 8}},
|
|
}
|
|
testdraw.MustHVLines(c, lines)
|
|
|
|
// Value labels.
|
|
testdraw.MustText(c, "0", image.Point{4, 7})
|
|
testdraw.MustText(c, "51.68", image.Point{0, 3})
|
|
testdraw.MustText(c, "start", image.Point{6, 9})
|
|
|
|
// Braille line.
|
|
graphAr := image.Rect(6, 0, 20, 8)
|
|
bc := testbraille.MustNew(graphAr)
|
|
testdraw.MustBrailleLine(bc, image.Point{0, 31}, image.Point{26, 0})
|
|
testbraille.MustCopyTo(bc, c)
|
|
|
|
testcanvas.MustApply(c, ft)
|
|
return ft
|
|
},
|
|
},
|
|
{
|
|
desc: "all NaN values",
|
|
canvas: image.Rect(0, 0, 20, 10),
|
|
writes: func(lc *LineChart) error {
|
|
return lc.Series("first", []float64{math.NaN(), math.NaN(), math.NaN(), math.NaN(), math.NaN()})
|
|
},
|
|
wantCapacity: 36,
|
|
want: func(size image.Point) *faketerm.Terminal {
|
|
ft := faketerm.MustNew(size)
|
|
c := testcanvas.MustNew(ft.Area())
|
|
|
|
// Y and X axis.
|
|
lines := []draw.HVLine{
|
|
{Start: image.Point{1, 0}, End: image.Point{1, 8}},
|
|
{Start: image.Point{1, 8}, End: image.Point{19, 8}},
|
|
}
|
|
testdraw.MustHVLines(c, lines)
|
|
|
|
// Value labels.
|
|
testdraw.MustText(c, "0", image.Point{0, 7})
|
|
testdraw.MustText(c, "0", image.Point{2, 9})
|
|
testdraw.MustText(c, "1", image.Point{6, 9})
|
|
testdraw.MustText(c, "2", image.Point{10, 9})
|
|
testdraw.MustText(c, "3", image.Point{14, 9})
|
|
testdraw.MustText(c, "4", image.Point{18, 9})
|
|
|
|
testcanvas.MustApply(c, ft)
|
|
return ft
|
|
},
|
|
},
|
|
{
|
|
desc: "first and last NaN values",
|
|
canvas: image.Rect(0, 0, 28, 10),
|
|
writes: func(lc *LineChart) error {
|
|
return lc.Series("first", []float64{math.NaN(), math.NaN(), 100, 150, math.NaN()})
|
|
},
|
|
wantCapacity: 44,
|
|
want: func(size image.Point) *faketerm.Terminal {
|
|
ft := faketerm.MustNew(size)
|
|
c := testcanvas.MustNew(ft.Area())
|
|
|
|
// Y and X axis.
|
|
lines := []draw.HVLine{
|
|
{Start: image.Point{5, 0}, End: image.Point{5, 8}},
|
|
{Start: image.Point{5, 8}, End: image.Point{27, 8}},
|
|
}
|
|
testdraw.MustHVLines(c, lines)
|
|
|
|
// Value labels.
|
|
testdraw.MustText(c, "0", image.Point{4, 7})
|
|
testdraw.MustText(c, "77.44", image.Point{0, 3})
|
|
testdraw.MustText(c, "0", image.Point{6, 9})
|
|
testdraw.MustText(c, "1", image.Point{11, 9})
|
|
testdraw.MustText(c, "2", image.Point{16, 9})
|
|
testdraw.MustText(c, "3", image.Point{22, 9})
|
|
testdraw.MustText(c, "4", image.Point{27, 9})
|
|
|
|
graphAr := image.Rect(6, 0, 25, 8)
|
|
bc := testbraille.MustNew(graphAr)
|
|
testdraw.MustBrailleLine(bc, image.Point{21, 10}, image.Point{32, 0})
|
|
testbraille.MustCopyTo(bc, c)
|
|
|
|
testcanvas.MustApply(c, ft)
|
|
return ft
|
|
},
|
|
},
|
|
{
|
|
desc: "more values than capacity, X rescales with NaN values ignored",
|
|
canvas: image.Rect(0, 0, 11, 10),
|
|
writes: func(lc *LineChart) error {
|
|
return lc.Series("first", []float64{0, 1, 2, 3, 4, 5, 6, 7, math.NaN(), math.NaN(), math.NaN(), math.NaN(), 12, 13, 14, 15, 16, 17, 18, 19})
|
|
},
|
|
wantCapacity: 12,
|
|
want: func(size image.Point) *faketerm.Terminal {
|
|
ft := faketerm.MustNew(size)
|
|
c := testcanvas.MustNew(ft.Area())
|
|
|
|
// Y and X axis.
|
|
lines := []draw.HVLine{
|
|
{Start: image.Point{4, 0}, End: image.Point{4, 8}},
|
|
{Start: image.Point{4, 8}, End: image.Point{10, 8}},
|
|
}
|
|
testdraw.MustHVLines(c, lines)
|
|
|
|
// Value labels.
|
|
testdraw.MustText(c, "0", image.Point{3, 7})
|
|
testdraw.MustText(c, "9.92", image.Point{0, 3})
|
|
testdraw.MustText(c, "0", image.Point{5, 9})
|
|
testdraw.MustText(c, "14", image.Point{9, 9})
|
|
|
|
// Braille line.
|
|
graphAr := image.Rect(5, 0, 11, 8)
|
|
bc := testbraille.MustNew(graphAr)
|
|
testdraw.MustBrailleLine(bc, image.Point{0, 31}, image.Point{1, 29})
|
|
testdraw.MustBrailleLine(bc, image.Point{1, 29}, image.Point{1, 28})
|
|
testdraw.MustBrailleLine(bc, image.Point{1, 28}, image.Point{2, 26})
|
|
testdraw.MustBrailleLine(bc, image.Point{2, 26}, image.Point{2, 25})
|
|
testdraw.MustBrailleLine(bc, image.Point{2, 25}, image.Point{3, 23})
|
|
testdraw.MustBrailleLine(bc, image.Point{3, 23}, image.Point{3, 21})
|
|
testdraw.MustBrailleLine(bc, image.Point{3, 21}, image.Point{4, 20})
|
|
testdraw.MustBrailleLine(bc, image.Point{7, 12}, image.Point{8, 10})
|
|
testdraw.MustBrailleLine(bc, image.Point{8, 10}, image.Point{8, 8})
|
|
testdraw.MustBrailleLine(bc, image.Point{8, 8}, image.Point{9, 7})
|
|
testdraw.MustBrailleLine(bc, image.Point{9, 7}, image.Point{9, 5})
|
|
testdraw.MustBrailleLine(bc, image.Point{9, 5}, image.Point{10, 4})
|
|
testdraw.MustBrailleLine(bc, image.Point{10, 4}, image.Point{10, 2})
|
|
testdraw.MustBrailleLine(bc, image.Point{10, 2}, image.Point{11, 0})
|
|
testbraille.MustCopyTo(bc, c)
|
|
|
|
testcanvas.MustApply(c, ft)
|
|
return ft
|
|
},
|
|
},
|
|
}
|
|
|
|
for _, tc := range tests {
|
|
t.Run(tc.desc, func(t *testing.T) {
|
|
c, err := canvas.New(tc.canvas)
|
|
if err != nil {
|
|
t.Fatalf("canvas.New => unexpected error: %v", err)
|
|
}
|
|
|
|
widget, err := New(tc.opts...)
|
|
if (err != nil) != tc.wantErr {
|
|
t.Errorf("New => unexpected error: %v, wantErr: %v", err, tc.wantErr)
|
|
}
|
|
if err != nil {
|
|
return
|
|
}
|
|
|
|
if tc.writes != nil {
|
|
err := tc.writes(widget)
|
|
if (err != nil) != tc.wantWriteErr {
|
|
t.Errorf("Series => unexpected error: %v, wantWriteErr: %v", err, tc.wantWriteErr)
|
|
}
|
|
if err != nil {
|
|
return
|
|
}
|
|
}
|
|
|
|
{
|
|
err := widget.Draw(c, tc.meta)
|
|
if (err != nil) != tc.wantDrawErr {
|
|
t.Fatalf("Draw => unexpected error: %v, wantDrawErr: %v", err, tc.wantDrawErr)
|
|
}
|
|
if err != nil {
|
|
return
|
|
}
|
|
}
|
|
|
|
got, err := faketerm.New(c.Size())
|
|
if err != nil {
|
|
t.Fatalf("faketerm.New => unexpected error: %v", err)
|
|
}
|
|
|
|
if err := c.Apply(got); err != nil {
|
|
t.Fatalf("Apply => unexpected error: %v", err)
|
|
}
|
|
|
|
want := faketerm.MustNew(c.Size())
|
|
if tc.want != nil {
|
|
want = tc.want(c.Size())
|
|
}
|
|
if diff := faketerm.Diff(want, got); diff != "" {
|
|
t.Errorf("Draw => %v", diff)
|
|
}
|
|
|
|
gotCapacity := widget.ValueCapacity()
|
|
if gotCapacity != tc.wantCapacity {
|
|
t.Errorf("ValueCapacity => %v, want %v", gotCapacity, tc.wantCapacity)
|
|
}
|
|
})
|
|
}
|
|
}
|
|
|
|
func TestKeyboard(t *testing.T) {
|
|
lc, err := New()
|
|
if err != nil {
|
|
t.Fatalf("New => unexpected error: %v", err)
|
|
}
|
|
if err := lc.Keyboard(&terminalapi.Keyboard{}); err == nil {
|
|
t.Errorf("Keyboard => got nil err, wanted one")
|
|
}
|
|
}
|
|
|
|
func TestMouseDoesNothingWithoutZoomTracker(t *testing.T) {
|
|
lc, err := New()
|
|
if err != nil {
|
|
t.Fatalf("New => unexpected error: %v", err)
|
|
}
|
|
if err := lc.Mouse(&terminalapi.Mouse{}); err != nil {
|
|
t.Errorf("Mouse => unexpected error: %v", err)
|
|
}
|
|
}
|
|
|
|
func TestOptions(t *testing.T) {
|
|
tests := []struct {
|
|
desc string
|
|
opts []Option
|
|
// if not nil, executed before obtaining the options.
|
|
addSeries func(*LineChart) error
|
|
want widgetapi.Options
|
|
}{
|
|
{
|
|
desc: "reserves space for axis without series",
|
|
want: widgetapi.Options{
|
|
MinimumSize: image.Point{3, 4},
|
|
WantMouse: widgetapi.MouseScopeGlobal,
|
|
},
|
|
},
|
|
{
|
|
desc: "reserves space for longer Y labels",
|
|
addSeries: func(lc *LineChart) error {
|
|
return lc.Series("series", []float64{0, 100})
|
|
},
|
|
want: widgetapi.Options{
|
|
MinimumSize: image.Point{5, 4},
|
|
WantMouse: widgetapi.MouseScopeGlobal,
|
|
},
|
|
},
|
|
{
|
|
desc: "reserves space for negative Y labels",
|
|
addSeries: func(lc *LineChart) error {
|
|
return lc.Series("series", []float64{-100, 100})
|
|
},
|
|
want: widgetapi.Options{
|
|
MinimumSize: image.Point{6, 4},
|
|
WantMouse: widgetapi.MouseScopeGlobal,
|
|
},
|
|
},
|
|
{
|
|
desc: "reserves space for longer vertical X labels",
|
|
opts: []Option{
|
|
XLabelsVertical(),
|
|
},
|
|
addSeries: func(lc *LineChart) error {
|
|
return lc.Series("series", []float64{0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10})
|
|
},
|
|
want: widgetapi.Options{
|
|
MinimumSize: image.Point{4, 5},
|
|
WantMouse: widgetapi.MouseScopeGlobal,
|
|
},
|
|
},
|
|
{
|
|
desc: "reserves space for longer custom vertical X labels",
|
|
opts: []Option{
|
|
XLabelsVertical(),
|
|
},
|
|
addSeries: func(lc *LineChart) error {
|
|
return lc.Series("series", []float64{0, 100}, SeriesXLabels(map[int]string{0: "text"}))
|
|
},
|
|
want: widgetapi.Options{
|
|
MinimumSize: image.Point{5, 7},
|
|
WantMouse: widgetapi.MouseScopeGlobal,
|
|
},
|
|
},
|
|
}
|
|
|
|
for _, tc := range tests {
|
|
t.Run(tc.desc, func(t *testing.T) {
|
|
lc, err := New(tc.opts...)
|
|
if err != nil {
|
|
t.Fatalf("New => unexpected error: %v", err)
|
|
}
|
|
|
|
if tc.addSeries != nil {
|
|
if err := tc.addSeries(lc); err != nil {
|
|
t.Fatalf("tc.addSeries => %v", err)
|
|
}
|
|
}
|
|
got := lc.Options()
|
|
if diff := pretty.Compare(tc.want, got); diff != "" {
|
|
t.Errorf("Options => unexpected diff (-want, +got):\n%s", diff)
|
|
}
|
|
})
|
|
}
|
|
}
|