mirror of https://github.com/mum4k/termdash.git
1016 lines
28 KiB
Go
1016 lines
28 KiB
Go
// Copyright 2019 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 segmentdisplay
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import (
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"image"
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"testing"
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"github.com/kylelemons/godebug/pretty"
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"github.com/mum4k/termdash/align"
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"github.com/mum4k/termdash/cell"
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"github.com/mum4k/termdash/private/canvas"
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"github.com/mum4k/termdash/private/canvas/testcanvas"
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"github.com/mum4k/termdash/private/faketerm"
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"github.com/mum4k/termdash/private/segdisp"
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"github.com/mum4k/termdash/private/segdisp/dotseg"
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"github.com/mum4k/termdash/private/segdisp/dotseg/testdotseg"
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"github.com/mum4k/termdash/private/segdisp/sixteen"
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"github.com/mum4k/termdash/private/segdisp/sixteen/testsixteen"
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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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// mustDrawChar draws the provided character in the area of the canvas or panics.
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func mustDrawChar(cvs *canvas.Canvas, char rune, ar image.Rectangle, cOpts ...cell.Option) {
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c := testcanvas.MustNew(ar)
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switch {
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case char == '.' || char == ':':
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d := dotseg.New()
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testdotseg.MustSetCharacter(d, char)
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testdotseg.MustDraw(d, c, dotseg.CellOpts(cOpts...))
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default:
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d := sixteen.New()
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testsixteen.MustSetCharacter(d, char)
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testsixteen.MustDraw(d, c, sixteen.CellOpts(cOpts...))
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}
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testcanvas.MustCopyTo(c, cvs)
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}
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func TestSegmentDisplay(t *testing.T) {
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tests := []struct {
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desc string
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opts []Option
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update func(*SegmentDisplay) error // update gets called before drawing of the widget.
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canvas image.Rectangle
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meta *widgetapi.Meta
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want func(size image.Point) *faketerm.Terminal
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wantCapacity int
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wantNewErr bool
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wantUpdateErr bool // whether to expect an error on a call to the update function
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wantDrawErr bool
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}{
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{
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desc: "New fails on invalid GapPercent (too low)",
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opts: []Option{
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GapPercent(-1),
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},
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canvas: image.Rect(0, 0, segdisp.MinCols, segdisp.MinRows),
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wantNewErr: true,
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},
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{
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desc: "New fails on invalid GapPercent (too high)",
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opts: []Option{
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GapPercent(101),
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},
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canvas: image.Rect(0, 0, segdisp.MinCols, segdisp.MinRows),
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wantNewErr: true,
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},
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{
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desc: "write fails on invalid GapPercent (too low)",
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canvas: image.Rect(0, 0, segdisp.MinCols, segdisp.MinRows),
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update: func(sd *SegmentDisplay) error {
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return sd.Write(
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[]*TextChunk{NewChunk("1")},
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GapPercent(-1),
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)
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},
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wantUpdateErr: true,
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},
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{
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desc: "write fails on invalid GapPercent (too high)",
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canvas: image.Rect(0, 0, segdisp.MinCols, segdisp.MinRows),
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update: func(sd *SegmentDisplay) error {
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return sd.Write(
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[]*TextChunk{NewChunk("1")},
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GapPercent(101),
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)
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},
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wantUpdateErr: true,
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},
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{
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desc: "fails on area too small for a segment",
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canvas: image.Rect(0, 0, segdisp.MinCols-1, segdisp.MinRows),
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update: func(sd *SegmentDisplay) error {
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return sd.Write([]*TextChunk{NewChunk("1")})
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},
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wantDrawErr: true,
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},
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{
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desc: "write fails without chunks",
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canvas: image.Rect(0, 0, segdisp.MinCols, segdisp.MinRows),
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update: func(sd *SegmentDisplay) error {
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return sd.Write(nil)
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},
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wantUpdateErr: true,
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},
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{
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desc: "write fails with an empty chunk",
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canvas: image.Rect(0, 0, segdisp.MinCols, segdisp.MinRows),
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update: func(sd *SegmentDisplay) error {
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return sd.Write([]*TextChunk{NewChunk("")})
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},
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wantUpdateErr: true,
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},
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{
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desc: "write fails on unsupported characters when requested",
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canvas: image.Rect(0, 0, segdisp.MinCols, segdisp.MinRows),
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update: func(sd *SegmentDisplay) error {
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return sd.Write([]*TextChunk{NewChunk("←", WriteErrOnUnsupported())})
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},
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wantUpdateErr: true,
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},
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{
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desc: "draws empty without text",
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canvas: image.Rect(0, 0, segdisp.MinCols, segdisp.MinRows),
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wantCapacity: 1,
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},
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{
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desc: "draws multiple segments, all fit exactly",
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opts: []Option{
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GapPercent(0),
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},
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canvas: image.Rect(0, 0, segdisp.MinCols*3, segdisp.MinRows),
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update: func(sd *SegmentDisplay) error {
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return sd.Write([]*TextChunk{NewChunk("123")})
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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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for _, tc := range []struct {
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char rune
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area image.Rectangle
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}{
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{'1', image.Rect(0, 0, segdisp.MinCols, segdisp.MinRows)},
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{'2', image.Rect(segdisp.MinCols, 0, segdisp.MinCols*2, segdisp.MinRows)},
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{'3', image.Rect(segdisp.MinCols*2, 0, segdisp.MinCols*3, segdisp.MinRows)},
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} {
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mustDrawChar(cvs, tc.char, tc.area)
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}
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testcanvas.MustApply(cvs, ft)
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return ft
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},
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wantCapacity: 3,
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},
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{
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desc: "uses the dot segment for a colon",
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opts: []Option{
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GapPercent(0),
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},
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canvas: image.Rect(0, 0, segdisp.MinCols*3, segdisp.MinRows),
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update: func(sd *SegmentDisplay) error {
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return sd.Write([]*TextChunk{NewChunk("1:3")})
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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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for _, tc := range []struct {
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char rune
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area image.Rectangle
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}{
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{'1', image.Rect(0, 0, segdisp.MinCols, segdisp.MinRows)},
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{':', image.Rect(segdisp.MinCols, 0, segdisp.MinCols*2, segdisp.MinRows)},
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{'3', image.Rect(segdisp.MinCols*2, 0, segdisp.MinCols*3, segdisp.MinRows)},
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} {
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mustDrawChar(cvs, tc.char, tc.area)
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}
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testcanvas.MustApply(cvs, ft)
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return ft
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},
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wantCapacity: 3,
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},
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{
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desc: "uses the dot segment for a dot",
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opts: []Option{
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GapPercent(0),
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},
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canvas: image.Rect(0, 0, segdisp.MinCols*3, segdisp.MinRows),
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update: func(sd *SegmentDisplay) error {
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return sd.Write([]*TextChunk{NewChunk("1.3")})
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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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for _, tc := range []struct {
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char rune
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area image.Rectangle
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}{
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{'1', image.Rect(0, 0, segdisp.MinCols, segdisp.MinRows)},
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{'.', image.Rect(segdisp.MinCols, 0, segdisp.MinCols*2, segdisp.MinRows)},
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{'3', image.Rect(segdisp.MinCols*2, 0, segdisp.MinCols*3, segdisp.MinRows)},
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} {
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mustDrawChar(cvs, tc.char, tc.area)
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}
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testcanvas.MustApply(cvs, ft)
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return ft
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},
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wantCapacity: 3,
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},
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{
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desc: "write sanitizes text by default",
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opts: []Option{
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GapPercent(0),
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},
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canvas: image.Rect(0, 0, segdisp.MinCols*2, segdisp.MinRows),
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update: func(sd *SegmentDisplay) error {
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return sd.Write([]*TextChunk{NewChunk("←1")})
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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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mustDrawChar(cvs, '1', image.Rect(segdisp.MinCols, 0, segdisp.MinCols*2, segdisp.MinRows))
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testcanvas.MustApply(cvs, ft)
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return ft
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},
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wantCapacity: 2,
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},
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{
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desc: "write sanitizes text with option",
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opts: []Option{
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GapPercent(0),
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},
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canvas: image.Rect(0, 0, segdisp.MinCols*2, segdisp.MinRows),
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update: func(sd *SegmentDisplay) error {
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return sd.Write([]*TextChunk{NewChunk("←1", WriteSanitize())})
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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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mustDrawChar(cvs, '1', image.Rect(segdisp.MinCols, 0, segdisp.MinCols*2, segdisp.MinRows))
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testcanvas.MustApply(cvs, ft)
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return ft
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},
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wantCapacity: 2,
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},
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{
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desc: "aligns segment vertical middle by default",
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canvas: image.Rect(0, 0, segdisp.MinCols, segdisp.MinRows+2),
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update: func(sd *SegmentDisplay) error {
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return sd.Write([]*TextChunk{NewChunk("1")})
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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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mustDrawChar(cvs, '1', image.Rect(0, 1, segdisp.MinCols, segdisp.MinRows+1))
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testcanvas.MustApply(cvs, ft)
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return ft
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},
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wantCapacity: 1,
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},
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{
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desc: "subsequent calls to write overwrite previous text",
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canvas: image.Rect(0, 0, segdisp.MinCols, segdisp.MinRows+2),
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update: func(sd *SegmentDisplay) error {
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if err := sd.Write([]*TextChunk{NewChunk("123")}); err != nil {
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return err
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}
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return sd.Write([]*TextChunk{NewChunk("4")})
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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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mustDrawChar(cvs, '4', image.Rect(0, 1, segdisp.MinCols, segdisp.MinRows+1))
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testcanvas.MustApply(cvs, ft)
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return ft
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},
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wantCapacity: 1,
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},
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{
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desc: "sets cell options per text chunk",
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opts: []Option{
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GapPercent(0),
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},
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canvas: image.Rect(0, 0, segdisp.MinCols*2, segdisp.MinRows),
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update: func(sd *SegmentDisplay) error {
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return sd.Write(
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[]*TextChunk{
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NewChunk("1", WriteCellOpts(
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cell.FgColor(cell.ColorRed),
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cell.BgColor(cell.ColorBlue),
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)),
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NewChunk("2", WriteCellOpts(
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cell.FgColor(cell.ColorGreen),
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cell.BgColor(cell.ColorYellow),
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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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mustDrawChar(
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cvs, '1',
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image.Rect(0, 0, segdisp.MinCols, segdisp.MinRows),
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cell.FgColor(cell.ColorRed),
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cell.BgColor(cell.ColorBlue),
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)
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mustDrawChar(
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cvs, '2',
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image.Rect(segdisp.MinCols, 0, segdisp.MinCols*2, segdisp.MinRows),
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cell.FgColor(cell.ColorGreen),
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cell.BgColor(cell.ColorYellow),
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)
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testcanvas.MustApply(cvs, ft)
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return ft
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},
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wantCapacity: 2,
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},
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{
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desc: "reset resets the text content and reports capacity when maximizing fit and with gaps",
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opts: []Option{
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MaximizeDisplayedText(),
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},
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canvas: image.Rect(0, 0, segdisp.MinCols*3, segdisp.MinRows+2),
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update: func(sd *SegmentDisplay) error {
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if err := sd.Write([]*TextChunk{NewChunk("123")}); err != nil {
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return err
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}
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sd.Reset()
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return nil
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},
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wantCapacity: 2,
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},
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{
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desc: "reset resets the text content and reports capacity when maximizing fit and without gaps",
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opts: []Option{
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GapPercent(0),
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MaximizeDisplayedText(),
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},
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canvas: image.Rect(0, 0, segdisp.MinCols*3, segdisp.MinRows+2),
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update: func(sd *SegmentDisplay) error {
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if err := sd.Write([]*TextChunk{NewChunk("123")}); err != nil {
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return err
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}
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sd.Reset()
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return nil
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},
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wantCapacity: 3,
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},
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{
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desc: "reset resets the text content and reports capacity when maximizing segment height and gaps",
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opts: []Option{
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MaximizeSegmentHeight(),
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},
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canvas: image.Rect(0, 0, segdisp.MinCols*3, segdisp.MinRows+2),
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update: func(sd *SegmentDisplay) error {
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if err := sd.Write([]*TextChunk{NewChunk("123")}); err != nil {
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return err
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}
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sd.Reset()
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return nil
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},
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wantCapacity: 2,
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},
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{
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desc: "reset resets the text content and reports capacity when maximizing segment height and no gaps",
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opts: []Option{
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GapPercent(0),
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MaximizeSegmentHeight(),
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},
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canvas: image.Rect(0, 0, segdisp.MinCols*3, segdisp.MinRows+2),
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update: func(sd *SegmentDisplay) error {
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if err := sd.Write([]*TextChunk{NewChunk("123")}); err != nil {
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return err
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}
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sd.Reset()
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return nil
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},
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wantCapacity: 2,
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},
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{
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desc: "reset resets provided cell options",
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canvas: image.Rect(0, 0, segdisp.MinCols, segdisp.MinRows),
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update: func(sd *SegmentDisplay) error {
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if err := sd.Write(
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[]*TextChunk{
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NewChunk("1", WriteCellOpts(
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cell.FgColor(cell.ColorRed),
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cell.BgColor(cell.ColorBlue),
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)),
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}); err != nil {
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return err
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}
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sd.Reset()
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return sd.Write([]*TextChunk{NewChunk("1")})
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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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mustDrawChar(cvs, '1', image.Rect(0, 0, segdisp.MinCols, segdisp.MinRows))
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testcanvas.MustApply(cvs, ft)
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return ft
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},
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wantCapacity: 1,
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},
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{
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desc: "aligns segment vertical middle with option",
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opts: []Option{
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AlignVertical(align.VerticalMiddle),
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},
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canvas: image.Rect(0, 0, segdisp.MinCols, segdisp.MinRows+2),
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update: func(sd *SegmentDisplay) error {
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return sd.Write([]*TextChunk{NewChunk("1")})
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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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mustDrawChar(cvs, '1', image.Rect(0, 1, segdisp.MinCols, segdisp.MinRows+1))
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testcanvas.MustApply(cvs, ft)
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return ft
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},
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wantCapacity: 1,
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},
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{
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desc: "aligns segment vertical top with option",
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opts: []Option{
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AlignVertical(align.VerticalTop),
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},
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canvas: image.Rect(0, 0, segdisp.MinCols, segdisp.MinRows+2),
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update: func(sd *SegmentDisplay) error {
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return sd.Write([]*TextChunk{NewChunk("1")})
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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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mustDrawChar(cvs, '1', image.Rect(0, 0, segdisp.MinCols, segdisp.MinRows))
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testcanvas.MustApply(cvs, ft)
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return ft
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},
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wantCapacity: 1,
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},
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{
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desc: "options given to Write override those given to New so aligns top",
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opts: []Option{
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AlignVertical(align.VerticalBottom),
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},
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canvas: image.Rect(0, 0, segdisp.MinCols, segdisp.MinRows+2),
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update: func(sd *SegmentDisplay) error {
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return sd.Write(
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[]*TextChunk{NewChunk("1")},
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AlignVertical(align.VerticalTop),
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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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mustDrawChar(cvs, '1', image.Rect(0, 0, segdisp.MinCols, segdisp.MinRows))
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testcanvas.MustApply(cvs, ft)
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return ft
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},
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wantCapacity: 1,
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},
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{
|
|
desc: "aligns segment vertical bottom with option",
|
|
opts: []Option{
|
|
AlignVertical(align.VerticalBottom),
|
|
},
|
|
canvas: image.Rect(0, 0, segdisp.MinCols, segdisp.MinRows+2),
|
|
update: func(sd *SegmentDisplay) error {
|
|
return sd.Write([]*TextChunk{NewChunk("1")})
|
|
},
|
|
want: func(size image.Point) *faketerm.Terminal {
|
|
ft := faketerm.MustNew(size)
|
|
cvs := testcanvas.MustNew(ft.Area())
|
|
|
|
mustDrawChar(cvs, '1', image.Rect(0, 2, segdisp.MinCols, segdisp.MinRows+2))
|
|
|
|
testcanvas.MustApply(cvs, ft)
|
|
return ft
|
|
},
|
|
wantCapacity: 1,
|
|
},
|
|
{
|
|
desc: "aligns segment horizontal center by default",
|
|
canvas: image.Rect(0, 0, segdisp.MinCols+2, segdisp.MinRows),
|
|
update: func(sd *SegmentDisplay) error {
|
|
return sd.Write([]*TextChunk{NewChunk("8")})
|
|
},
|
|
want: func(size image.Point) *faketerm.Terminal {
|
|
ft := faketerm.MustNew(size)
|
|
cvs := testcanvas.MustNew(ft.Area())
|
|
|
|
mustDrawChar(cvs, '8', image.Rect(1, 0, segdisp.MinCols+1, segdisp.MinRows))
|
|
|
|
testcanvas.MustApply(cvs, ft)
|
|
return ft
|
|
},
|
|
wantCapacity: 1,
|
|
},
|
|
{
|
|
desc: "aligns segment horizontal center with option",
|
|
opts: []Option{
|
|
AlignHorizontal(align.HorizontalCenter),
|
|
},
|
|
canvas: image.Rect(0, 0, segdisp.MinCols+2, segdisp.MinRows),
|
|
update: func(sd *SegmentDisplay) error {
|
|
return sd.Write([]*TextChunk{NewChunk("8")})
|
|
},
|
|
want: func(size image.Point) *faketerm.Terminal {
|
|
ft := faketerm.MustNew(size)
|
|
cvs := testcanvas.MustNew(ft.Area())
|
|
|
|
mustDrawChar(cvs, '8', image.Rect(1, 0, segdisp.MinCols+1, segdisp.MinRows))
|
|
|
|
testcanvas.MustApply(cvs, ft)
|
|
return ft
|
|
},
|
|
wantCapacity: 1,
|
|
},
|
|
{
|
|
desc: "aligns segment horizontal left with option",
|
|
opts: []Option{
|
|
AlignHorizontal(align.HorizontalLeft),
|
|
},
|
|
canvas: image.Rect(0, 0, segdisp.MinCols+2, segdisp.MinRows),
|
|
update: func(sd *SegmentDisplay) error {
|
|
return sd.Write([]*TextChunk{NewChunk("8")})
|
|
},
|
|
want: func(size image.Point) *faketerm.Terminal {
|
|
ft := faketerm.MustNew(size)
|
|
cvs := testcanvas.MustNew(ft.Area())
|
|
|
|
mustDrawChar(cvs, '8', image.Rect(0, 0, segdisp.MinCols, segdisp.MinRows))
|
|
|
|
testcanvas.MustApply(cvs, ft)
|
|
return ft
|
|
},
|
|
wantCapacity: 1,
|
|
},
|
|
{
|
|
desc: "aligns segment horizontal right with option",
|
|
opts: []Option{
|
|
AlignHorizontal(align.HorizontalRight),
|
|
},
|
|
canvas: image.Rect(0, 0, segdisp.MinCols+2, segdisp.MinRows),
|
|
update: func(sd *SegmentDisplay) error {
|
|
return sd.Write([]*TextChunk{NewChunk("8")})
|
|
},
|
|
want: func(size image.Point) *faketerm.Terminal {
|
|
ft := faketerm.MustNew(size)
|
|
cvs := testcanvas.MustNew(ft.Area())
|
|
|
|
mustDrawChar(cvs, '8', image.Rect(2, 0, segdisp.MinCols+2, segdisp.MinRows))
|
|
|
|
testcanvas.MustApply(cvs, ft)
|
|
return ft
|
|
},
|
|
wantCapacity: 1,
|
|
},
|
|
{
|
|
desc: "draws multiple segments, not enough space, maximizes segment height with option",
|
|
opts: []Option{
|
|
MaximizeSegmentHeight(),
|
|
GapPercent(0),
|
|
},
|
|
canvas: image.Rect(0, 0, segdisp.MinCols*2, segdisp.MinRows),
|
|
update: func(sd *SegmentDisplay) error {
|
|
return sd.Write([]*TextChunk{NewChunk("123")})
|
|
},
|
|
want: func(size image.Point) *faketerm.Terminal {
|
|
ft := faketerm.MustNew(size)
|
|
cvs := testcanvas.MustNew(ft.Area())
|
|
|
|
for _, tc := range []struct {
|
|
char rune
|
|
area image.Rectangle
|
|
}{
|
|
{'1', image.Rect(0, 0, segdisp.MinCols, segdisp.MinRows)},
|
|
{'2', image.Rect(segdisp.MinCols, 0, segdisp.MinCols*2, segdisp.MinRows)},
|
|
} {
|
|
mustDrawChar(cvs, tc.char, tc.area)
|
|
}
|
|
|
|
testcanvas.MustApply(cvs, ft)
|
|
return ft
|
|
},
|
|
wantCapacity: 2,
|
|
},
|
|
{
|
|
desc: "draws multiple segments, not enough space, maximizes displayed text by default and fits all",
|
|
opts: []Option{
|
|
GapPercent(0),
|
|
},
|
|
canvas: image.Rect(0, 0, segdisp.MinCols*3, segdisp.MinRows*4),
|
|
update: func(sd *SegmentDisplay) error {
|
|
return sd.Write([]*TextChunk{NewChunk("123")})
|
|
},
|
|
want: func(size image.Point) *faketerm.Terminal {
|
|
ft := faketerm.MustNew(size)
|
|
cvs := testcanvas.MustNew(ft.Area())
|
|
|
|
for _, tc := range []struct {
|
|
char rune
|
|
area image.Rectangle
|
|
}{
|
|
{'1', image.Rect(0, 7, 6, 12)},
|
|
{'2', image.Rect(6, 7, 12, 12)},
|
|
{'3', image.Rect(12, 7, 18, 12)},
|
|
} {
|
|
mustDrawChar(cvs, tc.char, tc.area)
|
|
}
|
|
|
|
testcanvas.MustApply(cvs, ft)
|
|
return ft
|
|
},
|
|
wantCapacity: 3,
|
|
},
|
|
{
|
|
desc: "draws multiple segments, not enough space, maximizes displayed text but cannot fit all",
|
|
opts: []Option{
|
|
GapPercent(0),
|
|
},
|
|
canvas: image.Rect(0, 0, segdisp.MinCols*3, segdisp.MinRows*4),
|
|
update: func(sd *SegmentDisplay) error {
|
|
return sd.Write([]*TextChunk{NewChunk("1234")})
|
|
},
|
|
want: func(size image.Point) *faketerm.Terminal {
|
|
ft := faketerm.MustNew(size)
|
|
cvs := testcanvas.MustNew(ft.Area())
|
|
|
|
for _, tc := range []struct {
|
|
char rune
|
|
area image.Rectangle
|
|
}{
|
|
{'1', image.Rect(0, 7, 6, 12)},
|
|
{'2', image.Rect(6, 7, 12, 12)},
|
|
{'3', image.Rect(12, 7, 18, 12)},
|
|
} {
|
|
mustDrawChar(cvs, tc.char, tc.area)
|
|
}
|
|
|
|
testcanvas.MustApply(cvs, ft)
|
|
return ft
|
|
},
|
|
wantCapacity: 3,
|
|
},
|
|
{
|
|
desc: "draws multiple segments, not enough space, maximizes displayed text with option",
|
|
opts: []Option{
|
|
MaximizeDisplayedText(),
|
|
GapPercent(0),
|
|
},
|
|
canvas: image.Rect(0, 0, segdisp.MinCols*3, segdisp.MinRows*4),
|
|
update: func(sd *SegmentDisplay) error {
|
|
return sd.Write([]*TextChunk{NewChunk("123")})
|
|
},
|
|
want: func(size image.Point) *faketerm.Terminal {
|
|
ft := faketerm.MustNew(size)
|
|
cvs := testcanvas.MustNew(ft.Area())
|
|
|
|
for _, tc := range []struct {
|
|
char rune
|
|
area image.Rectangle
|
|
}{
|
|
{'1', image.Rect(0, 7, 6, 12)},
|
|
{'2', image.Rect(6, 7, 12, 12)},
|
|
{'3', image.Rect(12, 7, 18, 12)},
|
|
} {
|
|
mustDrawChar(cvs, tc.char, tc.area)
|
|
}
|
|
|
|
testcanvas.MustApply(cvs, ft)
|
|
return ft
|
|
},
|
|
wantCapacity: 3,
|
|
},
|
|
{
|
|
desc: "draws multiple segments with a gap by default",
|
|
canvas: image.Rect(0, 0, segdisp.MinCols*3+2, segdisp.MinRows),
|
|
update: func(sd *SegmentDisplay) error {
|
|
return sd.Write([]*TextChunk{NewChunk("123")})
|
|
},
|
|
want: func(size image.Point) *faketerm.Terminal {
|
|
ft := faketerm.MustNew(size)
|
|
cvs := testcanvas.MustNew(ft.Area())
|
|
|
|
for _, tc := range []struct {
|
|
char rune
|
|
area image.Rectangle
|
|
}{
|
|
{'1', image.Rect(0, 0, segdisp.MinCols, segdisp.MinRows)},
|
|
{'2', image.Rect(segdisp.MinCols+1, 0, segdisp.MinCols*2+1, segdisp.MinRows)},
|
|
{'3', image.Rect(segdisp.MinCols*2+2, 0, segdisp.MinCols*3+2, segdisp.MinRows)},
|
|
} {
|
|
mustDrawChar(cvs, tc.char, tc.area)
|
|
}
|
|
|
|
testcanvas.MustApply(cvs, ft)
|
|
return ft
|
|
},
|
|
wantCapacity: 3,
|
|
},
|
|
{
|
|
desc: "draws multiple segments with a gap, exact fit",
|
|
opts: []Option{
|
|
GapPercent(20),
|
|
},
|
|
canvas: image.Rect(0, 0, segdisp.MinCols*3+2, segdisp.MinRows),
|
|
update: func(sd *SegmentDisplay) error {
|
|
return sd.Write([]*TextChunk{NewChunk("123")})
|
|
},
|
|
want: func(size image.Point) *faketerm.Terminal {
|
|
ft := faketerm.MustNew(size)
|
|
cvs := testcanvas.MustNew(ft.Area())
|
|
|
|
for _, tc := range []struct {
|
|
char rune
|
|
area image.Rectangle
|
|
}{
|
|
{'1', image.Rect(0, 0, segdisp.MinCols, segdisp.MinRows)},
|
|
{'2', image.Rect(segdisp.MinCols+1, 0, segdisp.MinCols*2+1, segdisp.MinRows)},
|
|
{'3', image.Rect(segdisp.MinCols*2+2, 0, segdisp.MinCols*3+2, segdisp.MinRows)},
|
|
} {
|
|
mustDrawChar(cvs, tc.char, tc.area)
|
|
}
|
|
|
|
testcanvas.MustApply(cvs, ft)
|
|
return ft
|
|
},
|
|
wantCapacity: 3,
|
|
},
|
|
{
|
|
desc: "draws multiple segments with a larger gap",
|
|
opts: []Option{
|
|
GapPercent(40),
|
|
},
|
|
canvas: image.Rect(0, 0, segdisp.MinCols*3+2, segdisp.MinRows),
|
|
update: func(sd *SegmentDisplay) error {
|
|
return sd.Write([]*TextChunk{NewChunk("123")})
|
|
},
|
|
want: func(size image.Point) *faketerm.Terminal {
|
|
ft := faketerm.MustNew(size)
|
|
cvs := testcanvas.MustNew(ft.Area())
|
|
|
|
for _, tc := range []struct {
|
|
char rune
|
|
area image.Rectangle
|
|
}{
|
|
{'1', image.Rect(3, 0, 9, 5)},
|
|
{'2', image.Rect(11, 0, 17, 5)},
|
|
} {
|
|
mustDrawChar(cvs, tc.char, tc.area)
|
|
}
|
|
|
|
testcanvas.MustApply(cvs, ft)
|
|
return ft
|
|
},
|
|
wantCapacity: 2,
|
|
},
|
|
{
|
|
desc: "draws multiple segments with a gap, not all fit, maximizes displayed text",
|
|
opts: []Option{
|
|
GapPercent(20),
|
|
},
|
|
canvas: image.Rect(0, 0, segdisp.MinCols*3+2, segdisp.MinRows),
|
|
update: func(sd *SegmentDisplay) error {
|
|
return sd.Write([]*TextChunk{NewChunk("8888")})
|
|
},
|
|
want: func(size image.Point) *faketerm.Terminal {
|
|
ft := faketerm.MustNew(size)
|
|
cvs := testcanvas.MustNew(ft.Area())
|
|
|
|
for _, tc := range []struct {
|
|
char rune
|
|
area image.Rectangle
|
|
}{
|
|
{'8', image.Rect(0, 0, segdisp.MinCols, segdisp.MinRows)},
|
|
{'8', image.Rect(segdisp.MinCols+1, 0, segdisp.MinCols*2+1, segdisp.MinRows)},
|
|
{'8', image.Rect(segdisp.MinCols*2+2, 0, segdisp.MinCols*3+2, segdisp.MinRows)},
|
|
} {
|
|
mustDrawChar(cvs, tc.char, tc.area)
|
|
}
|
|
|
|
testcanvas.MustApply(cvs, ft)
|
|
return ft
|
|
},
|
|
wantCapacity: 3,
|
|
},
|
|
{
|
|
desc: "draws multiple segments with a gap, not all fit, last segment would fit without a gap",
|
|
opts: []Option{
|
|
GapPercent(20),
|
|
},
|
|
canvas: image.Rect(0, 0, segdisp.MinCols*4+2, segdisp.MinRows),
|
|
update: func(sd *SegmentDisplay) error {
|
|
return sd.Write([]*TextChunk{NewChunk("8888")})
|
|
},
|
|
want: func(size image.Point) *faketerm.Terminal {
|
|
ft := faketerm.MustNew(size)
|
|
cvs := testcanvas.MustNew(ft.Area())
|
|
|
|
for _, tc := range []struct {
|
|
char rune
|
|
area image.Rectangle
|
|
}{
|
|
{'8', image.Rect(3, 0, 9, 5)},
|
|
{'8', image.Rect(10, 0, 16, 5)},
|
|
{'8', image.Rect(17, 0, 23, 5)},
|
|
} {
|
|
mustDrawChar(cvs, tc.char, tc.area)
|
|
}
|
|
|
|
testcanvas.MustApply(cvs, ft)
|
|
return ft
|
|
},
|
|
wantCapacity: 3,
|
|
},
|
|
{
|
|
desc: "draws multiple segments with a gap, not enough space, maximizes segment height with option",
|
|
opts: []Option{
|
|
MaximizeSegmentHeight(),
|
|
GapPercent(20),
|
|
},
|
|
canvas: image.Rect(0, 0, segdisp.MinCols*5, segdisp.MinRows*2),
|
|
update: func(sd *SegmentDisplay) error {
|
|
return sd.Write([]*TextChunk{NewChunk("123")})
|
|
},
|
|
want: func(size image.Point) *faketerm.Terminal {
|
|
ft := faketerm.MustNew(size)
|
|
cvs := testcanvas.MustNew(ft.Area())
|
|
|
|
for _, tc := range []struct {
|
|
char rune
|
|
area image.Rectangle
|
|
}{
|
|
{'1', image.Rect(2, 0, 14, 10)},
|
|
{'2', image.Rect(16, 0, 28, 10)},
|
|
} {
|
|
mustDrawChar(cvs, tc.char, tc.area)
|
|
}
|
|
|
|
testcanvas.MustApply(cvs, ft)
|
|
return ft
|
|
},
|
|
wantCapacity: 2,
|
|
},
|
|
{
|
|
desc: "regression for #174, protects against external data mutation",
|
|
opts: []Option{
|
|
GapPercent(0),
|
|
},
|
|
canvas: image.Rect(0, 0, segdisp.MinCols*3, segdisp.MinRows),
|
|
update: func(sd *SegmentDisplay) error {
|
|
chunks := []*TextChunk{NewChunk("123")}
|
|
if err := sd.Write(chunks); err != nil {
|
|
return err
|
|
}
|
|
// Mutates and adds unsupported characters.
|
|
chunks[0] = NewChunk("\r\t")
|
|
return nil
|
|
},
|
|
want: func(size image.Point) *faketerm.Terminal {
|
|
ft := faketerm.MustNew(size)
|
|
cvs := testcanvas.MustNew(ft.Area())
|
|
|
|
for _, tc := range []struct {
|
|
char rune
|
|
area image.Rectangle
|
|
}{
|
|
{'1', image.Rect(0, 0, segdisp.MinCols, segdisp.MinRows)},
|
|
{'2', image.Rect(segdisp.MinCols, 0, segdisp.MinCols*2, segdisp.MinRows)},
|
|
{'3', image.Rect(segdisp.MinCols*2, 0, segdisp.MinCols*3, segdisp.MinRows)},
|
|
} {
|
|
mustDrawChar(cvs, tc.char, tc.area)
|
|
}
|
|
|
|
testcanvas.MustApply(cvs, ft)
|
|
return ft
|
|
},
|
|
wantCapacity: 3,
|
|
},
|
|
}
|
|
|
|
for _, tc := range tests {
|
|
t.Run(tc.desc, func(t *testing.T) {
|
|
sd, err := New(tc.opts...)
|
|
if (err != nil) != tc.wantNewErr {
|
|
t.Errorf("New => unexpected error: %v, wantNewErr: %v", err, tc.wantNewErr)
|
|
}
|
|
if err != nil {
|
|
return
|
|
}
|
|
|
|
c, err := canvas.New(tc.canvas)
|
|
if err != nil {
|
|
t.Fatalf("canvas.New => unexpected error: %v", err)
|
|
}
|
|
|
|
if tc.update != nil {
|
|
err = tc.update(sd)
|
|
if (err != nil) != tc.wantUpdateErr {
|
|
t.Errorf("update => unexpected error: %v, wantUpdateErr: %v", err, tc.wantUpdateErr)
|
|
}
|
|
if err != nil {
|
|
return
|
|
}
|
|
}
|
|
|
|
err = sd.Draw(c, tc.meta)
|
|
if (err != nil) != tc.wantDrawErr {
|
|
t.Errorf("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)
|
|
}
|
|
|
|
var want *faketerm.Terminal
|
|
if tc.want != nil {
|
|
want = tc.want(c.Size())
|
|
} else {
|
|
want = faketerm.MustNew(c.Size())
|
|
}
|
|
|
|
if diff := faketerm.Diff(want, got); diff != "" {
|
|
t.Errorf("Draw => %v", diff)
|
|
}
|
|
|
|
if gotCapacity := sd.Capacity(); gotCapacity != tc.wantCapacity {
|
|
t.Errorf("Capacity => %d, want %d", gotCapacity, tc.wantCapacity)
|
|
}
|
|
})
|
|
}
|
|
}
|
|
|
|
func TestKeyboard(t *testing.T) {
|
|
sd, err := New()
|
|
if err != nil {
|
|
t.Fatalf("New => unexpected error: %v", err)
|
|
}
|
|
if err := sd.Keyboard(&terminalapi.Keyboard{}, &widgetapi.EventMeta{}); err == nil {
|
|
t.Errorf("Keyboard => got nil err, wanted one")
|
|
}
|
|
}
|
|
|
|
func TestMouse(t *testing.T) {
|
|
sd, err := New()
|
|
if err != nil {
|
|
t.Fatalf("New => unexpected error: %v", err)
|
|
}
|
|
if err := sd.Mouse(&terminalapi.Mouse{}, &widgetapi.EventMeta{}); err == nil {
|
|
t.Errorf("Mouse => got nil err, wanted one")
|
|
}
|
|
}
|
|
|
|
func TestOptions(t *testing.T) {
|
|
sd, err := New()
|
|
if err != nil {
|
|
t.Fatalf("New => unexpected error: %v", err)
|
|
}
|
|
got := sd.Options()
|
|
want := widgetapi.Options{
|
|
MinimumSize: image.Point{segdisp.MinCols, segdisp.MinRows},
|
|
WantKeyboard: widgetapi.KeyScopeNone,
|
|
WantMouse: widgetapi.MouseScopeNone,
|
|
}
|
|
if diff := pretty.Compare(want, got); diff != "" {
|
|
t.Errorf("Options => unexpected diff (-want, +got):\n%s", diff)
|
|
}
|
|
|
|
}
|