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termdash/container/draw_test.go

375 lines
9.6 KiB
Go

package container
import (
"image"
"testing"
"github.com/mum4k/termdash/canvas/testcanvas"
"github.com/mum4k/termdash/cell"
"github.com/mum4k/termdash/draw"
"github.com/mum4k/termdash/draw/testdraw"
"github.com/mum4k/termdash/terminal/faketerm"
"github.com/mum4k/termdash/widgetapi"
"github.com/mum4k/termdash/widgets/fakewidget"
)
func TestDrawWidget(t *testing.T) {
tests := []struct {
desc string
termSize image.Point
container func(ft *faketerm.Terminal) *Container
want func(size image.Point) *faketerm.Terminal
wantErr bool
}{
{
desc: "draws widget with container border",
termSize: image.Point{9, 5},
container: func(ft *faketerm.Terminal) *Container {
return New(
ft,
Border(draw.LineStyleLight),
PlaceWidget(fakewidget.New(widgetapi.Options{})),
)
},
want: func(size image.Point) *faketerm.Terminal {
ft := faketerm.MustNew(size)
cvs := testcanvas.MustNew(ft.Area())
// Container border.
testdraw.MustBox(
cvs,
cvs.Area(),
draw.LineStyleLight,
cell.FgColor(cell.ColorYellow),
)
// Fake widget border.
testdraw.MustBox(cvs, image.Rect(1, 1, 8, 4), draw.LineStyleLight)
tb := draw.TextBounds{Start: image.Point{2, 2}}
testdraw.MustText(cvs, "(7,3)", tb)
testcanvas.MustApply(cvs, ft)
return ft
},
},
{
desc: "draws widget without container border",
termSize: image.Point{9, 5},
container: func(ft *faketerm.Terminal) *Container {
return New(
ft,
PlaceWidget(fakewidget.New(widgetapi.Options{})),
)
},
want: func(size image.Point) *faketerm.Terminal {
ft := faketerm.MustNew(size)
cvs := testcanvas.MustNew(ft.Area())
// Fake widget border.
testdraw.MustBox(cvs, image.Rect(0, 0, 9, 5), draw.LineStyleLight)
tb := draw.TextBounds{Start: image.Point{1, 1}}
testdraw.MustText(cvs, "(9,5)", tb)
testcanvas.MustApply(cvs, ft)
return ft
},
},
{
desc: "widget.Draw returns an error",
termSize: image.Point{5, 5}, // Too small for the widget's box.
container: func(ft *faketerm.Terminal) *Container {
return New(
ft,
Border(draw.LineStyleLight),
PlaceWidget(fakewidget.New(widgetapi.Options{})),
)
},
want: func(size image.Point) *faketerm.Terminal {
return faketerm.MustNew(size)
},
wantErr: true,
},
{
desc: "container with border and no space isn't drawn",
termSize: image.Point{1, 1},
container: func(ft *faketerm.Terminal) *Container {
return New(
ft,
Border(draw.LineStyleLight),
)
},
want: func(size image.Point) *faketerm.Terminal {
ft := faketerm.MustNew(size)
cvs := testcanvas.MustNew(ft.Area())
testdraw.MustText(cvs, "⇄", draw.TextBounds{})
testcanvas.MustApply(cvs, ft)
return ft
},
},
{
desc: "container without the requested space for its widget isn't drawn",
termSize: image.Point{1, 1},
container: func(ft *faketerm.Terminal) *Container {
return New(
ft,
PlaceWidget(fakewidget.New(widgetapi.Options{
MinimumSize: image.Point{2, 2}},
)),
)
},
want: func(size image.Point) *faketerm.Terminal {
ft := faketerm.MustNew(size)
cvs := testcanvas.MustNew(ft.Area())
testdraw.MustText(cvs, "⇄", draw.TextBounds{})
testcanvas.MustApply(cvs, ft)
return ft
},
},
{
desc: "widget gets the requested aspect ratio",
termSize: image.Point{22, 22},
container: func(ft *faketerm.Terminal) *Container {
return New(
ft,
Border(draw.LineStyleLight),
PlaceWidget(fakewidget.New(widgetapi.Options{
Ratio: image.Point{1, 2}},
)),
)
},
want: func(size image.Point) *faketerm.Terminal {
ft := faketerm.MustNew(size)
cvs := testcanvas.MustNew(ft.Area())
// Container border.
testdraw.MustBox(
cvs,
cvs.Area(),
draw.LineStyleLight,
cell.FgColor(cell.ColorYellow),
)
// Fake widget border.
testdraw.MustBox(cvs, image.Rect(1, 1, 11, 21), draw.LineStyleLight)
tb := draw.TextBounds{Start: image.Point{2, 2}}
testdraw.MustText(cvs, "(10,20)", tb)
testcanvas.MustApply(cvs, ft)
return ft
},
},
{
desc: "horizontal left align for the widget",
termSize: image.Point{22, 22},
container: func(ft *faketerm.Terminal) *Container {
return New(
ft,
Border(draw.LineStyleLight),
HorizontalAlignLeft(),
PlaceWidget(fakewidget.New(widgetapi.Options{
Ratio: image.Point{1, 2}},
)),
)
},
want: func(size image.Point) *faketerm.Terminal {
ft := faketerm.MustNew(size)
cvs := testcanvas.MustNew(ft.Area())
// Container border.
testdraw.MustBox(
cvs,
cvs.Area(),
draw.LineStyleLight,
cell.FgColor(cell.ColorYellow),
)
// Fake widget border.
testdraw.MustBox(cvs, image.Rect(1, 1, 11, 21), draw.LineStyleLight)
tb := draw.TextBounds{Start: image.Point{2, 2}}
testdraw.MustText(cvs, "(10,20)", tb)
testcanvas.MustApply(cvs, ft)
return ft
},
},
{
desc: "horizontal center align for the widget",
termSize: image.Point{22, 22},
container: func(ft *faketerm.Terminal) *Container {
return New(
ft,
Border(draw.LineStyleLight),
HorizontalAlignCenter(),
PlaceWidget(fakewidget.New(widgetapi.Options{
Ratio: image.Point{1, 2}},
)),
)
},
want: func(size image.Point) *faketerm.Terminal {
ft := faketerm.MustNew(size)
cvs := testcanvas.MustNew(ft.Area())
// Container border.
testdraw.MustBox(
cvs,
cvs.Area(),
draw.LineStyleLight,
cell.FgColor(cell.ColorYellow),
)
// Fake widget border.
testdraw.MustBox(cvs, image.Rect(6, 1, 16, 21), draw.LineStyleLight)
tb := draw.TextBounds{Start: image.Point{7, 2}}
testdraw.MustText(cvs, "(10,20)", tb)
testcanvas.MustApply(cvs, ft)
return ft
},
},
{
desc: "horizontal right align for the widget",
termSize: image.Point{22, 22},
container: func(ft *faketerm.Terminal) *Container {
return New(
ft,
Border(draw.LineStyleLight),
HorizontalAlignRight(),
PlaceWidget(fakewidget.New(widgetapi.Options{
Ratio: image.Point{1, 2}},
)),
)
},
want: func(size image.Point) *faketerm.Terminal {
ft := faketerm.MustNew(size)
cvs := testcanvas.MustNew(ft.Area())
// Container border.
testdraw.MustBox(
cvs,
cvs.Area(),
draw.LineStyleLight,
cell.FgColor(cell.ColorYellow),
)
// Fake widget border.
testdraw.MustBox(cvs, image.Rect(11, 1, 21, 21), draw.LineStyleLight)
tb := draw.TextBounds{Start: image.Point{12, 2}}
testdraw.MustText(cvs, "(10,20)", tb)
testcanvas.MustApply(cvs, ft)
return ft
},
},
{
desc: "vertical top align for the widget",
termSize: image.Point{22, 22},
container: func(ft *faketerm.Terminal) *Container {
return New(
ft,
Border(draw.LineStyleLight),
VerticalAlignTop(),
PlaceWidget(fakewidget.New(widgetapi.Options{
Ratio: image.Point{2, 1}},
)),
)
},
want: func(size image.Point) *faketerm.Terminal {
ft := faketerm.MustNew(size)
cvs := testcanvas.MustNew(ft.Area())
// Container border.
testdraw.MustBox(
cvs,
cvs.Area(),
draw.LineStyleLight,
cell.FgColor(cell.ColorYellow),
)
// Fake widget border.
testdraw.MustBox(cvs, image.Rect(1, 1, 21, 11), draw.LineStyleLight)
tb := draw.TextBounds{Start: image.Point{2, 2}}
testdraw.MustText(cvs, "(20,10)", tb)
testcanvas.MustApply(cvs, ft)
return ft
},
},
{
desc: "vertical middle align for the widget",
termSize: image.Point{22, 22},
container: func(ft *faketerm.Terminal) *Container {
return New(
ft,
Border(draw.LineStyleLight),
VerticalAlignMiddle(),
PlaceWidget(fakewidget.New(widgetapi.Options{
Ratio: image.Point{2, 1}},
)),
)
},
want: func(size image.Point) *faketerm.Terminal {
ft := faketerm.MustNew(size)
cvs := testcanvas.MustNew(ft.Area())
// Container border.
testdraw.MustBox(
cvs,
cvs.Area(),
draw.LineStyleLight,
cell.FgColor(cell.ColorYellow),
)
// Fake widget border.
testdraw.MustBox(cvs, image.Rect(1, 6, 21, 16), draw.LineStyleLight)
tb := draw.TextBounds{Start: image.Point{2, 7}}
testdraw.MustText(cvs, "(20,10)", tb)
testcanvas.MustApply(cvs, ft)
return ft
},
},
{
desc: "vertical bottom align for the widget",
termSize: image.Point{22, 22},
container: func(ft *faketerm.Terminal) *Container {
return New(
ft,
Border(draw.LineStyleLight),
VerticalAlignBottom(),
PlaceWidget(fakewidget.New(widgetapi.Options{
Ratio: image.Point{2, 1}},
)),
)
},
want: func(size image.Point) *faketerm.Terminal {
ft := faketerm.MustNew(size)
cvs := testcanvas.MustNew(ft.Area())
// Container border.
testdraw.MustBox(
cvs,
cvs.Area(),
draw.LineStyleLight,
cell.FgColor(cell.ColorYellow),
)
// Fake widget border.
testdraw.MustBox(cvs, image.Rect(1, 11, 21, 21), draw.LineStyleLight)
tb := draw.TextBounds{Start: image.Point{2, 12}}
testdraw.MustText(cvs, "(20,10)", tb)
testcanvas.MustApply(cvs, ft)
return ft
},
},
}
for _, tc := range tests {
t.Run(tc.desc, func(t *testing.T) {
got := faketerm.MustNew(tc.termSize)
c := tc.container(got)
err := c.Draw()
if (err != nil) != tc.wantErr {
t.Errorf("Draw => unexpected error: %v, wantErr: %v", err, tc.wantErr)
}
if err != nil {
return
}
if diff := faketerm.Diff(tc.want(got.Size()), got); diff != "" {
t.Errorf("Draw => %v", diff)
}
})
}
}