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|
package main
import (
"strings"
"testing"
tui "github.com/grindlemire/go-tui"
)
func TestCounter_KeyMap(t *testing.T) {
type tc struct {
key tui.KeyEvent
wantCount int
}
tests := map[string]tc{
"increment with +": {
key: tui.KeyEvent{Key: tui.KeyRune, Rune: '+'},
wantCount: 1,
},
"decrement with -": {
key: tui.KeyEvent{Key: tui.KeyRune, Rune: '-'},
wantCount: -1,
},
}
for name, tt := range tests {
t.Run(name, func(t *testing.T) {
c := NewCounter()
km := c.KeyMap()
for _, binding := range km {
if binding.Pattern.AnyRune && tt.key.IsRune() {
binding.Handler(tt.key)
break
}
if binding.Pattern.Rune == tt.key.Rune && tt.key.IsRune() {
binding.Handler(tt.key)
break
}
if binding.Pattern.Key == tt.key.Key && !tt.key.IsRune() {
binding.Handler(tt.key)
break
}
}
if c.count.Get() != tt.wantCount {
t.Errorf("count = %d, want %d", c.count.Get(), tt.wantCount)
}
})
}
}
func TestCounter_MultipleKeyPresses(t *testing.T) {
type tc struct {
initialCount int
keyPresses []rune
wantCount int
}
tests := map[string]tc{
"no keys pressed": {
initialCount: 0,
keyPresses: nil,
wantCount: 0,
},
"three increments": {
initialCount: 0,
keyPresses: []rune{'+', '+', '+'},
wantCount: 3,
},
"increment then decrement": {
initialCount: 5,
keyPresses: []rune{'+', '-'},
wantCount: 5,
},
}
for name, tt := range tests {
t.Run(name, func(t *testing.T) {
c := NewCounter()
c.count.Set(tt.initialCount)
km := c.KeyMap()
for _, r := range tt.keyPresses {
event := tui.KeyEvent{Key: tui.KeyRune, Rune: r}
for _, binding := range km {
if binding.Pattern.Rune == r {
binding.Handler(event)
break
}
}
}
if c.count.Get() != tt.wantCount {
t.Errorf("count = %d, want %d", c.count.Get(), tt.wantCount)
}
})
}
}
func TestPanel_RendersBorder(t *testing.T) {
root := tui.New(
tui.WithSize(80, 24),
tui.WithDirection(tui.Column),
)
panel := tui.New(
tui.WithSize(20, 5),
tui.WithBorder(tui.BorderSingle),
)
root.AddChild(panel)
buf := tui.NewBuffer(80, 24)
root.Render(buf, 80, 24)
rect := panel.Rect()
if rect.Width != 20 || rect.Height != 5 {
t.Errorf("panel size = %dx%d, want 20x5", rect.Width, rect.Height)
}
cell := buf.Cell(rect.X, rect.Y)
if cell.Rune != '┌' {
t.Errorf("top-left = %q, want '┌'", cell.Rune)
}
}
func TestGreeting_ShowsMessage(t *testing.T) {
buf := tui.NewBuffer(30, 5)
term := tui.NewMockTerminal(30, 5)
style := tui.NewStyle()
buf.SetString(2, 1, "Hello, World!", style)
tui.Render(term, buf)
output := term.StringTrimmed()
if !strings.Contains(output, "Hello, World!") {
t.Errorf("expected 'Hello, World!' in output:\n%s", output)
}
}
func TestLayout_AdaptsToResize(t *testing.T) {
type tc struct {
width int
height int
wantPanelW int
}
tests := map[string]tc{
"narrow terminal": {
width: 40,
height: 24,
wantPanelW: 40,
},
"wide terminal": {
width: 120,
height: 24,
wantPanelW: 120,
},
}
for name, tt := range tests {
t.Run(name, func(t *testing.T) {
root := tui.New(
tui.WithDirection(tui.Column),
)
panel := tui.New(
tui.WithFlexGrow(1),
tui.WithHeight(10),
)
root.AddChild(panel)
buf := tui.NewBuffer(tt.width, tt.height)
root.Render(buf, tt.width, tt.height)
rect := panel.Rect()
if rect.Width != tt.wantPanelW {
t.Errorf("panel width = %d, want %d", rect.Width, tt.wantPanelW)
}
})
}
}
|