mirror of
https://github.com/mum4k/termdash.git
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535 lines
13 KiB
Go
535 lines
13 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 container
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import (
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"image"
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"testing"
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"github.com/mum4k/termdash/canvas/testcanvas"
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"github.com/mum4k/termdash/cell"
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"github.com/mum4k/termdash/draw"
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"github.com/mum4k/termdash/draw/testdraw"
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"github.com/mum4k/termdash/terminal/faketerm"
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"github.com/mum4k/termdash/widgetapi"
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"github.com/mum4k/termdash/widgets/fakewidget"
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)
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func TestDrawWidget(t *testing.T) {
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tests := []struct {
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desc string
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termSize image.Point
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container func(ft *faketerm.Terminal) *Container
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want func(size image.Point) *faketerm.Terminal
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wantErr bool
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}{
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{
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desc: "draws widget with container border",
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termSize: image.Point{9, 5},
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container: func(ft *faketerm.Terminal) *Container {
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return New(
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ft,
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Border(draw.LineStyleLight),
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PlaceWidget(fakewidget.New(widgetapi.Options{})),
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)
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},
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want: func(size image.Point) *faketerm.Terminal {
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ft := faketerm.MustNew(size)
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cvs := testcanvas.MustNew(ft.Area())
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// Container border.
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testdraw.MustBox(
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cvs,
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cvs.Area(),
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draw.LineStyleLight,
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cell.FgColor(cell.ColorYellow),
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)
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// Fake widget border.
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testdraw.MustBox(cvs, image.Rect(1, 1, 8, 4), draw.LineStyleLight)
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tb := draw.TextBounds{Start: image.Point{2, 2}}
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testdraw.MustText(cvs, "(7,3)", tb)
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testcanvas.MustApply(cvs, 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 widget without container border",
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termSize: image.Point{9, 5},
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container: func(ft *faketerm.Terminal) *Container {
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return New(
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ft,
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PlaceWidget(fakewidget.New(widgetapi.Options{})),
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)
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},
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want: func(size image.Point) *faketerm.Terminal {
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ft := faketerm.MustNew(size)
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cvs := testcanvas.MustNew(ft.Area())
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// Fake widget border.
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testdraw.MustBox(cvs, image.Rect(0, 0, 9, 5), draw.LineStyleLight)
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tb := draw.TextBounds{Start: image.Point{1, 1}}
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testdraw.MustText(cvs, "(9,5)", tb)
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testcanvas.MustApply(cvs, ft)
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return ft
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},
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},
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{
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desc: "widget.Draw returns an error",
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termSize: image.Point{5, 5}, // Too small for the widget's box.
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container: func(ft *faketerm.Terminal) *Container {
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return New(
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ft,
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Border(draw.LineStyleLight),
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PlaceWidget(fakewidget.New(widgetapi.Options{})),
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)
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},
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want: func(size image.Point) *faketerm.Terminal {
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return faketerm.MustNew(size)
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},
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wantErr: true,
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},
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{
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desc: "container with border and no space isn't drawn",
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termSize: image.Point{1, 1},
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container: func(ft *faketerm.Terminal) *Container {
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return New(
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ft,
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Border(draw.LineStyleLight),
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)
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},
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want: func(size image.Point) *faketerm.Terminal {
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ft := faketerm.MustNew(size)
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cvs := testcanvas.MustNew(ft.Area())
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testdraw.MustText(cvs, "⇄", draw.TextBounds{})
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testcanvas.MustApply(cvs, ft)
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return ft
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},
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},
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{
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desc: "container without the requested space for its widget isn't drawn",
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termSize: image.Point{1, 1},
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container: func(ft *faketerm.Terminal) *Container {
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return New(
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ft,
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PlaceWidget(fakewidget.New(widgetapi.Options{
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MinimumSize: image.Point{2, 2}},
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)),
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)
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},
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want: func(size image.Point) *faketerm.Terminal {
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ft := faketerm.MustNew(size)
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cvs := testcanvas.MustNew(ft.Area())
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testdraw.MustText(cvs, "⇄", draw.TextBounds{})
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testcanvas.MustApply(cvs, ft)
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return ft
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},
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},
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{
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desc: "widget gets the requested aspect ratio",
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termSize: image.Point{22, 22},
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container: func(ft *faketerm.Terminal) *Container {
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return New(
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ft,
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Border(draw.LineStyleLight),
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PlaceWidget(fakewidget.New(widgetapi.Options{
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Ratio: image.Point{1, 2}},
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)),
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)
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},
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want: func(size image.Point) *faketerm.Terminal {
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ft := faketerm.MustNew(size)
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cvs := testcanvas.MustNew(ft.Area())
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// Container border.
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testdraw.MustBox(
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cvs,
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cvs.Area(),
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draw.LineStyleLight,
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cell.FgColor(cell.ColorYellow),
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)
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// Fake widget border.
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testdraw.MustBox(cvs, image.Rect(1, 1, 11, 21), draw.LineStyleLight)
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tb := draw.TextBounds{Start: image.Point{2, 2}}
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testdraw.MustText(cvs, "(10,20)", tb)
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testcanvas.MustApply(cvs, ft)
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return ft
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},
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},
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{
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desc: "horizontal left align for the widget",
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termSize: image.Point{22, 22},
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container: func(ft *faketerm.Terminal) *Container {
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return New(
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ft,
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Border(draw.LineStyleLight),
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HorizontalAlignLeft(),
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PlaceWidget(fakewidget.New(widgetapi.Options{
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Ratio: image.Point{1, 2}},
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)),
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)
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},
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want: func(size image.Point) *faketerm.Terminal {
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ft := faketerm.MustNew(size)
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cvs := testcanvas.MustNew(ft.Area())
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// Container border.
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testdraw.MustBox(
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cvs,
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cvs.Area(),
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draw.LineStyleLight,
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cell.FgColor(cell.ColorYellow),
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)
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// Fake widget border.
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testdraw.MustBox(cvs, image.Rect(1, 1, 11, 21), draw.LineStyleLight)
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tb := draw.TextBounds{Start: image.Point{2, 2}}
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testdraw.MustText(cvs, "(10,20)", tb)
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testcanvas.MustApply(cvs, ft)
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return ft
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},
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},
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{
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desc: "horizontal center align for the widget",
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termSize: image.Point{22, 22},
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container: func(ft *faketerm.Terminal) *Container {
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return New(
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ft,
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Border(draw.LineStyleLight),
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HorizontalAlignCenter(),
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PlaceWidget(fakewidget.New(widgetapi.Options{
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Ratio: image.Point{1, 2}},
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)),
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)
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},
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want: func(size image.Point) *faketerm.Terminal {
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ft := faketerm.MustNew(size)
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cvs := testcanvas.MustNew(ft.Area())
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// Container border.
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testdraw.MustBox(
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cvs,
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cvs.Area(),
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draw.LineStyleLight,
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cell.FgColor(cell.ColorYellow),
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)
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// Fake widget border.
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testdraw.MustBox(cvs, image.Rect(6, 1, 16, 21), draw.LineStyleLight)
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tb := draw.TextBounds{Start: image.Point{7, 2}}
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testdraw.MustText(cvs, "(10,20)", tb)
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testcanvas.MustApply(cvs, ft)
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return ft
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},
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},
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{
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desc: "horizontal right align for the widget",
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termSize: image.Point{22, 22},
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container: func(ft *faketerm.Terminal) *Container {
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return New(
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ft,
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Border(draw.LineStyleLight),
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HorizontalAlignRight(),
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PlaceWidget(fakewidget.New(widgetapi.Options{
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Ratio: image.Point{1, 2}},
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)),
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)
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},
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want: func(size image.Point) *faketerm.Terminal {
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ft := faketerm.MustNew(size)
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cvs := testcanvas.MustNew(ft.Area())
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// Container border.
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testdraw.MustBox(
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cvs,
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cvs.Area(),
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draw.LineStyleLight,
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cell.FgColor(cell.ColorYellow),
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)
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// Fake widget border.
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testdraw.MustBox(cvs, image.Rect(11, 1, 21, 21), draw.LineStyleLight)
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tb := draw.TextBounds{Start: image.Point{12, 2}}
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testdraw.MustText(cvs, "(10,20)", tb)
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testcanvas.MustApply(cvs, ft)
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return ft
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},
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},
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{
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desc: "vertical top align for the widget",
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termSize: image.Point{22, 22},
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container: func(ft *faketerm.Terminal) *Container {
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return New(
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ft,
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Border(draw.LineStyleLight),
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VerticalAlignTop(),
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PlaceWidget(fakewidget.New(widgetapi.Options{
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Ratio: image.Point{2, 1}},
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)),
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)
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},
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want: func(size image.Point) *faketerm.Terminal {
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ft := faketerm.MustNew(size)
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cvs := testcanvas.MustNew(ft.Area())
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// Container border.
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testdraw.MustBox(
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cvs,
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cvs.Area(),
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draw.LineStyleLight,
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cell.FgColor(cell.ColorYellow),
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)
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// Fake widget border.
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testdraw.MustBox(cvs, image.Rect(1, 1, 21, 11), draw.LineStyleLight)
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tb := draw.TextBounds{Start: image.Point{2, 2}}
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testdraw.MustText(cvs, "(20,10)", tb)
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testcanvas.MustApply(cvs, ft)
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return ft
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},
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},
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{
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desc: "vertical middle align for the widget",
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termSize: image.Point{22, 22},
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container: func(ft *faketerm.Terminal) *Container {
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return New(
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ft,
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Border(draw.LineStyleLight),
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VerticalAlignMiddle(),
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PlaceWidget(fakewidget.New(widgetapi.Options{
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Ratio: image.Point{2, 1}},
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)),
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)
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},
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want: func(size image.Point) *faketerm.Terminal {
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ft := faketerm.MustNew(size)
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cvs := testcanvas.MustNew(ft.Area())
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// Container border.
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testdraw.MustBox(
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cvs,
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cvs.Area(),
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draw.LineStyleLight,
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cell.FgColor(cell.ColorYellow),
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)
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// Fake widget border.
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testdraw.MustBox(cvs, image.Rect(1, 6, 21, 16), draw.LineStyleLight)
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tb := draw.TextBounds{Start: image.Point{2, 7}}
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testdraw.MustText(cvs, "(20,10)", tb)
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testcanvas.MustApply(cvs, ft)
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return ft
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},
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},
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{
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desc: "vertical bottom align for the widget",
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termSize: image.Point{22, 22},
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container: func(ft *faketerm.Terminal) *Container {
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return New(
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ft,
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Border(draw.LineStyleLight),
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VerticalAlignBottom(),
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PlaceWidget(fakewidget.New(widgetapi.Options{
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Ratio: image.Point{2, 1}},
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)),
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)
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},
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want: func(size image.Point) *faketerm.Terminal {
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ft := faketerm.MustNew(size)
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cvs := testcanvas.MustNew(ft.Area())
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// Container border.
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testdraw.MustBox(
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cvs,
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cvs.Area(),
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draw.LineStyleLight,
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cell.FgColor(cell.ColorYellow),
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)
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// Fake widget border.
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testdraw.MustBox(cvs, image.Rect(1, 11, 21, 21), draw.LineStyleLight)
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tb := draw.TextBounds{Start: image.Point{2, 12}}
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testdraw.MustText(cvs, "(20,10)", tb)
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testcanvas.MustApply(cvs, ft)
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return ft
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},
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},
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}
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for _, tc := range tests {
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t.Run(tc.desc, func(t *testing.T) {
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got := faketerm.MustNew(tc.termSize)
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c := tc.container(got)
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err := c.Draw()
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if (err != nil) != tc.wantErr {
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t.Errorf("Draw => unexpected error: %v, wantErr: %v", err, tc.wantErr)
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}
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if err != nil {
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return
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}
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if diff := faketerm.Diff(tc.want(got.Size()), got); diff != "" {
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t.Errorf("Draw => %v", diff)
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}
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})
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}
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}
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func TestDrawHandlesTerminalResize(t *testing.T) {
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termSize := image.Point{60, 10}
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got, err := faketerm.New(termSize)
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if err != nil {
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t.Errorf("faketerm.New => unexpected error: %v", err)
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}
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cont := New(
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got,
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SplitVertical(
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Left(
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SplitHorizontal(
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Top(
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PlaceWidget(fakewidget.New(widgetapi.Options{})),
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),
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Bottom(
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PlaceWidget(fakewidget.New(widgetapi.Options{})),
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),
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),
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),
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Right(
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SplitVertical(
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Left(
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PlaceWidget(fakewidget.New(widgetapi.Options{})),
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),
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Right(
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PlaceWidget(fakewidget.New(widgetapi.Options{})),
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),
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),
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),
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),
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)
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// The following tests aren't hermetic, they all access the same container
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// and fake terminal in order to retain state between resizes.
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tests := []struct {
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desc string
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resize *image.Point // if not nil, the fake terminal will be resized.
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want func(size image.Point) *faketerm.Terminal
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}{
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{
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desc: "handles the initial draw request",
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want: func(size image.Point) *faketerm.Terminal {
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ft := faketerm.MustNew(size)
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fakewidget.MustDraw(
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ft,
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testcanvas.MustNew(image.Rect(0, 0, 30, 5)),
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widgetapi.Options{},
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)
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fakewidget.MustDraw(
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ft,
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testcanvas.MustNew(image.Rect(0, 5, 30, 10)),
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widgetapi.Options{},
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)
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fakewidget.MustDraw(
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ft,
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testcanvas.MustNew(image.Rect(30, 0, 45, 10)),
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widgetapi.Options{},
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)
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fakewidget.MustDraw(
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ft,
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testcanvas.MustNew(image.Rect(45, 0, 60, 10)),
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widgetapi.Options{},
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)
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return ft
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},
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},
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{
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desc: "increase in size",
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resize: &image.Point{80, 10},
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want: func(size image.Point) *faketerm.Terminal {
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ft := faketerm.MustNew(size)
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fakewidget.MustDraw(
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ft,
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testcanvas.MustNew(image.Rect(0, 0, 40, 5)),
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widgetapi.Options{},
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)
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fakewidget.MustDraw(
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ft,
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testcanvas.MustNew(image.Rect(0, 5, 40, 10)),
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widgetapi.Options{},
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)
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fakewidget.MustDraw(
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ft,
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testcanvas.MustNew(image.Rect(40, 0, 60, 10)),
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widgetapi.Options{},
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)
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fakewidget.MustDraw(
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ft,
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testcanvas.MustNew(image.Rect(60, 0, 80, 10)),
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widgetapi.Options{},
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)
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return ft
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},
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},
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{
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desc: "decrease in size",
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resize: &image.Point{50, 10},
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want: func(size image.Point) *faketerm.Terminal {
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ft := faketerm.MustNew(size)
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fakewidget.MustDraw(
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ft,
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testcanvas.MustNew(image.Rect(0, 0, 25, 5)),
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widgetapi.Options{},
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)
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fakewidget.MustDraw(
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ft,
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testcanvas.MustNew(image.Rect(0, 5, 25, 10)),
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widgetapi.Options{},
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)
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fakewidget.MustDraw(
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ft,
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testcanvas.MustNew(image.Rect(25, 0, 37, 10)),
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widgetapi.Options{},
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)
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fakewidget.MustDraw(
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ft,
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testcanvas.MustNew(image.Rect(37, 0, 50, 10)),
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widgetapi.Options{},
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)
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return ft
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},
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},
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}
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|
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for _, tc := range tests {
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t.Run(tc.desc, func(t *testing.T) {
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if tc.resize != nil {
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if err := got.Resize(*tc.resize); err != nil {
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t.Fatalf("Resize => unexpected error: %v", err)
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}
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}
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if err := cont.Draw(); err != nil {
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t.Fatalf("Draw => unexpected error: %v", err)
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}
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if diff := faketerm.Diff(tc.want(got.Size()), got); diff != "" {
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t.Errorf("Draw => %v", diff)
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}
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})
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}
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}
|