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package tui
import (
"testing"
)
func TestInputOptions_ConfigureFields(t *testing.T) {
boldStyle := NewStyle().Bold()
italicStyle := NewStyle().Italic()
borderGrad := NewGradient(Red, Blue)
focusGrad := NewGradient(Green, Yellow)
type tc struct {
opt InputOption
check func(t *testing.T, inp *Input)
}
tests := map[string]tc{
"WithInputWidth sets width": {
opt: WithInputWidth(42),
check: func(t *testing.T, inp *Input) {
if inp.width != 42 {
t.Errorf("width = %d, want 42", inp.width)
}
},
},
"WithInputBorder sets border style": {
opt: WithInputBorder(BorderDouble),
check: func(t *testing.T, inp *Input) {
if inp.border != BorderDouble {
t.Errorf("border = %v, want BorderDouble", inp.border)
}
},
},
"WithInputTextStyle sets text style": {
opt: WithInputTextStyle(boldStyle),
check: func(t *testing.T, inp *Input) {
if inp.textStyle != boldStyle {
t.Errorf("textStyle = %+v, want %+v", inp.textStyle, boldStyle)
}
},
},
"WithInputPlaceholder sets placeholder text": {
opt: WithInputPlaceholder("type here"),
check: func(t *testing.T, inp *Input) {
if inp.placeholder != "type here" {
t.Errorf("placeholder = %q, want %q", inp.placeholder, "type here")
}
},
},
"WithInputPlaceholderStyle overrides dim default": {
opt: WithInputPlaceholderStyle(italicStyle),
check: func(t *testing.T, inp *Input) {
if inp.placeholderStyle != italicStyle {
t.Errorf("placeholderStyle = %+v, want %+v", inp.placeholderStyle, italicStyle)
}
},
},
"WithInputCursorRune sets cursor rune": {
opt: WithInputCursorRune('_'),
check: func(t *testing.T, inp *Input) {
if inp.cursorRune != '_' {
t.Errorf("cursorRune = %q, want '_'", inp.cursorRune)
}
},
},
"WithInputCursor alias sets cursor rune": {
opt: WithInputCursor('#'),
check: func(t *testing.T, inp *Input) {
if inp.cursorRune != '#' {
t.Errorf("cursorRune = %q, want '#'", inp.cursorRune)
}
},
},
"WithInputVirtualCursor enables drawn glyph": {
opt: WithInputVirtualCursor(),
check: func(t *testing.T, inp *Input) {
if inp.hideVirtualCursor {
t.Error("expected hideVirtualCursor to be false after WithInputVirtualCursor()")
}
},
},
"WithInputFocusColor sets focus color": {
opt: WithInputFocusColor(Cyan),
check: func(t *testing.T, inp *Input) {
if inp.focusColor == nil || *inp.focusColor != Cyan {
t.Errorf("focusColor = %+v, want Cyan", inp.focusColor)
}
},
},
"WithInputBorderGradient sets unfocused gradient": {
opt: WithInputBorderGradient(borderGrad),
check: func(t *testing.T, inp *Input) {
if inp.borderGradient == nil || *inp.borderGradient != borderGrad {
t.Errorf("borderGradient = %+v, want %+v", inp.borderGradient, borderGrad)
}
},
},
"WithInputFocusGradient sets focused gradient": {
opt: WithInputFocusGradient(focusGrad),
check: func(t *testing.T, inp *Input) {
if inp.focusGradient == nil || *inp.focusGradient != focusGrad {
t.Errorf("focusGradient = %+v, want %+v", inp.focusGradient, focusGrad)
}
},
},
"WithInputAutoFocus enables auto focus": {
opt: WithInputAutoFocus(true),
check: func(t *testing.T, inp *Input) {
if !inp.autoFocus {
t.Error("autoFocus = false, want true")
}
root := inp.Render(testApp)
if !root.IsAutoFocus() {
t.Error("rendered element should request auto focus")
}
},
},
}
for name, tt := range tests {
t.Run(name, func(t *testing.T) {
inp := NewInput(tt.opt)
inp.BindApp(testApp)
tt.check(t, inp)
})
}
}
func TestInputOptions_WithInputValue(t *testing.T) {
type tc struct {
initial string
wantCursor int
}
tests := map[string]tc{
"empty state starts cursor at zero": {initial: "", wantCursor: 0},
"prefilled state puts cursor at end": {initial: "hello", wantCursor: 5},
"multibyte state counts runes": {initial: "a界🙂", wantCursor: 3},
}
for name, tt := range tests {
t.Run(name, func(t *testing.T) {
external := NewState(tt.initial)
inp := NewInput(WithInputValue(external))
inp.BindApp(testApp)
if inp.text != external {
t.Fatal("input should use the external state instance directly")
}
if got := inp.Text(); got != tt.initial {
t.Errorf("Text() = %q, want %q", got, tt.initial)
}
if got := inp.cursorPos.Get(); got != tt.wantCursor {
t.Errorf("cursorPos = %d, want %d", got, tt.wantCursor)
}
if got := inp.scrollPos.Get(); got != 0 {
t.Errorf("scrollPos = %d, want 0", got)
}
inp.HandleEvent(KeyEvent{Key: KeyRune, Rune: '!'})
if got := external.Get(); got != tt.initial+"!" {
t.Errorf("external state = %q, want %q", got, tt.initial+"!")
}
})
}
}
func TestInputOptions_Callbacks(t *testing.T) {
type tc struct {
makeOpt func(record *string) InputOption
event KeyEvent
preset string
wantValue string
}
tests := map[string]tc{
"WithInputOnSubmit fires on enter": {
makeOpt: func(record *string) InputOption {
return WithInputOnSubmit(func(s string) { *record = "submit:" + s })
},
preset: "done",
event: KeyEvent{Key: KeyEnter},
wantValue: "submit:done",
},
"WithInputOnChange fires on insert": {
makeOpt: func(record *string) InputOption {
return WithInputOnChange(func(s string) { *record = "change:" + s })
},
preset: "a",
event: KeyEvent{Key: KeyRune, Rune: 'b'},
wantValue: "change:ab",
},
}
for name, tt := range tests {
t.Run(name, func(t *testing.T) {
var record string
inp := NewInput(tt.makeOpt(&record))
inp.BindApp(testApp)
inp.SetText(tt.preset)
inp.HandleEvent(tt.event)
if record != tt.wantValue {
t.Errorf("callback recorded %q, want %q", record, tt.wantValue)
}
})
}
}
func TestInputOptions_OnChangeFiresOnSetTextAndClear(t *testing.T) {
var changes []string
inp := NewInput(WithInputOnChange(func(s string) {
changes = append(changes, s)
}))
inp.BindApp(testApp)
changes = nil
inp.SetText("hello")
if len(changes) != 1 || changes[0] != "hello" {
t.Fatalf("after SetText: changes = %v, want [hello]", changes)
}
changes = nil
inp.Clear()
if len(changes) != 1 || changes[0] != "" {
t.Fatalf("after Clear: changes = %v, want ['']", changes)
}
}
|