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package tui
import "testing"
func TestTextAreaOptions(t *testing.T) {
boldStyle := NewStyle().Bold()
italicStyle := NewStyle().Italic()
focusColor := Cyan
borderGrad := NewGradient(Red, Blue)
focusGrad := NewGradient(Green, Yellow).WithDirection(GradientVertical)
boundState := NewState("héllo")
submitted := ""
changed := ""
onSubmit := func(s string) { submitted = s }
onChange := func(s string) { changed = s }
type tc struct {
opts []TextAreaOption
assert func(t *testing.T, ta *TextArea)
}
tests := map[string]tc{
"defaults without options": {
opts: nil,
assert: func(t *testing.T, ta *TextArea) {
if ta.width != 40 {
t.Fatalf("width = %d, want 40", ta.width)
}
if ta.maxHeight != 0 {
t.Fatalf("maxHeight = %d, want 0", ta.maxHeight)
}
if ta.border != BorderNone {
t.Fatalf("border = %v, want BorderNone", ta.border)
}
if ta.placeholder != "" {
t.Fatalf("placeholder = %q, want empty", ta.placeholder)
}
if ta.placeholderStyle != (Style{}.Dim()) {
t.Fatal("placeholderStyle should default to dim")
}
if ta.cursorRune != '▌' {
t.Fatalf("cursorRune = %q, want '▌'", ta.cursorRune)
}
if ta.submitKey != KeyEnter {
t.Fatalf("submitKey = %v, want KeyEnter", ta.submitKey)
}
if !ta.hideVirtualCursor {
t.Fatal("hideVirtualCursor should default to true (real cursor is the default)")
}
if ta.autoFocus {
t.Fatal("autoFocus should default to false")
}
if ta.focusColor != nil || ta.borderGradient != nil || ta.focusGradient != nil {
t.Fatal("color and gradient pointers should default to nil")
}
if ta.onSubmit != nil {
t.Fatal("onSubmit should default to nil")
}
if ta.Text() != "" {
t.Fatalf("text = %q, want empty", ta.Text())
}
if ta.cursorPos.Get() != 0 {
t.Fatalf("cursorPos = %d, want 0", ta.cursorPos.Get())
}
},
},
"WithTextAreaWidth sets width": {
opts: []TextAreaOption{WithTextAreaWidth(25)},
assert: func(t *testing.T, ta *TextArea) {
if ta.width != 25 {
t.Fatalf("width = %d, want 25", ta.width)
}
},
},
"WithTextAreaMaxHeight sets max height": {
opts: []TextAreaOption{WithTextAreaMaxHeight(5)},
assert: func(t *testing.T, ta *TextArea) {
if ta.maxHeight != 5 {
t.Fatalf("maxHeight = %d, want 5", ta.maxHeight)
}
},
},
"WithTextAreaBorder sets border style": {
opts: []TextAreaOption{WithTextAreaBorder(BorderRounded)},
assert: func(t *testing.T, ta *TextArea) {
if ta.border != BorderRounded {
t.Fatalf("border = %v, want BorderRounded", ta.border)
}
},
},
"WithTextAreaTextStyle sets text style": {
opts: []TextAreaOption{WithTextAreaTextStyle(boldStyle)},
assert: func(t *testing.T, ta *TextArea) {
if ta.textStyle != boldStyle {
t.Fatalf("textStyle = %v, want bold", ta.textStyle)
}
},
},
"WithTextAreaPlaceholder sets placeholder text": {
opts: []TextAreaOption{WithTextAreaPlaceholder("type here")},
assert: func(t *testing.T, ta *TextArea) {
if ta.placeholder != "type here" {
t.Fatalf("placeholder = %q, want %q", ta.placeholder, "type here")
}
},
},
"WithTextAreaPlaceholderStyle overrides default dim": {
opts: []TextAreaOption{WithTextAreaPlaceholderStyle(italicStyle)},
assert: func(t *testing.T, ta *TextArea) {
if ta.placeholderStyle != italicStyle {
t.Fatalf("placeholderStyle = %v, want italic", ta.placeholderStyle)
}
},
},
"WithTextAreaCursorRune sets cursor rune": {
opts: []TextAreaOption{WithTextAreaCursorRune('_')},
assert: func(t *testing.T, ta *TextArea) {
if ta.cursorRune != '_' {
t.Fatalf("cursorRune = %q, want '_'", ta.cursorRune)
}
},
},
"WithTextAreaCursor alias sets cursor rune": {
opts: []TextAreaOption{WithTextAreaCursor('#')},
assert: func(t *testing.T, ta *TextArea) {
if ta.cursorRune != '#' {
t.Fatalf("cursorRune = %q, want '#'", ta.cursorRune)
}
},
},
"WithTextAreaVirtualCursor enables drawn glyph": {
opts: []TextAreaOption{WithTextAreaVirtualCursor()},
assert: func(t *testing.T, ta *TextArea) {
if ta.hideVirtualCursor {
t.Fatal("expected hideVirtualCursor to be false after WithTextAreaVirtualCursor()")
}
},
},
"WithTextAreaFocusColor sets focus color": {
opts: []TextAreaOption{WithTextAreaFocusColor(focusColor)},
assert: func(t *testing.T, ta *TextArea) {
if ta.focusColor == nil {
t.Fatal("expected focusColor to be set")
}
if *ta.focusColor != focusColor {
t.Fatalf("focusColor = %v, want %v", *ta.focusColor, focusColor)
}
},
},
"WithTextAreaBorderGradient sets border gradient": {
opts: []TextAreaOption{WithTextAreaBorderGradient(borderGrad)},
assert: func(t *testing.T, ta *TextArea) {
if ta.borderGradient == nil {
t.Fatal("expected borderGradient to be set")
}
if *ta.borderGradient != borderGrad {
t.Fatalf("borderGradient = %v, want %v", *ta.borderGradient, borderGrad)
}
},
},
"WithTextAreaFocusGradient sets focus gradient": {
opts: []TextAreaOption{WithTextAreaFocusGradient(focusGrad)},
assert: func(t *testing.T, ta *TextArea) {
if ta.focusGradient == nil {
t.Fatal("expected focusGradient to be set")
}
if *ta.focusGradient != focusGrad {
t.Fatalf("focusGradient = %v, want %v", *ta.focusGradient, focusGrad)
}
},
},
"WithTextAreaSubmitKey overrides default": {
opts: []TextAreaOption{WithTextAreaSubmitKey(KeyTab)},
assert: func(t *testing.T, ta *TextArea) {
if ta.submitKey != KeyTab {
t.Fatalf("submitKey = %v, want KeyTab", ta.submitKey)
}
},
},
"WithTextAreaValue binds external state and places cursor at end": {
opts: []TextAreaOption{WithTextAreaValue(boundState)},
assert: func(t *testing.T, ta *TextArea) {
if ta.text != boundState {
t.Fatal("expected text state to be the bound state")
}
if ta.Text() != "héllo" {
t.Fatalf("text = %q, want %q", ta.Text(), "héllo")
}
if got := ta.cursorPos.Get(); got != 5 {
t.Fatalf("cursorPos = %d, want 5", got)
}
},
},
"WithTextAreaAutoFocus enables auto focus": {
opts: []TextAreaOption{WithTextAreaAutoFocus(true)},
assert: func(t *testing.T, ta *TextArea) {
if !ta.autoFocus {
t.Fatal("expected autoFocus to be true")
}
},
},
"WithTextAreaOnSubmit stores a working callback": {
opts: []TextAreaOption{WithTextAreaOnSubmit(onSubmit)},
assert: func(t *testing.T, ta *TextArea) {
if ta.onSubmit == nil {
t.Fatal("expected onSubmit to be set")
}
ta.onSubmit("submitted text")
if submitted != "submitted text" {
t.Fatalf("submitted = %q, want %q", submitted, "submitted text")
}
},
},
"WithTextAreaOnChange stores callback and fires on text mutation": {
opts: []TextAreaOption{WithTextAreaOnChange(onChange)},
assert: func(t *testing.T, ta *TextArea) {
if ta.onChange == nil {
t.Fatal("expected onChange to be set")
}
changed = ""
ta.SetText("hello")
if changed != "hello" {
t.Fatalf("after SetText: changed = %q, want %q", changed, "hello")
}
changed = "SENTINEL"
ta.Clear()
if changed != "" {
t.Fatalf("after Clear: changed = %q, want ''", changed)
}
changed = ""
ta.SetText("ab")
changed = ""
ta.insertChar(KeyEvent{Rune: 'c'})
if changed != "abc" {
t.Fatalf("after insertChar: changed = %q, want %q", changed, "abc")
}
changed = ""
ta.SetText("abc")
ta.cursorPos.Set(3)
changed = ""
ta.backspace(KeyEvent{})
if changed != "ab" {
t.Fatalf("after backspace: changed = %q, want %q", changed, "ab")
}
changed = ""
ta.SetText("abc")
ta.cursorPos.Set(0)
changed = ""
ta.delete(KeyEvent{})
if changed != "bc" {
t.Fatalf("after delete: changed = %q, want %q", changed, "bc")
}
changed = ""
ta.SetText("hello")
changed = ""
ta.submit(KeyEvent{})
if changed != "" {
t.Fatalf("after submit: onChange fired (changed = %q), want no call", changed)
}
},
},
"multiple options compose": {
opts: []TextAreaOption{
WithTextAreaWidth(30),
WithTextAreaMaxHeight(4),
WithTextAreaBorder(BorderDouble),
WithTextAreaPlaceholder("compose"),
},
assert: func(t *testing.T, ta *TextArea) {
if ta.width != 30 || ta.maxHeight != 4 {
t.Fatalf("size = (%d, %d), want (30, 4)", ta.width, ta.maxHeight)
}
if ta.border != BorderDouble {
t.Fatalf("border = %v, want BorderDouble", ta.border)
}
if ta.placeholder != "compose" {
t.Fatalf("placeholder = %q, want %q", ta.placeholder, "compose")
}
},
},
}
for name, tt := range tests {
t.Run(name, func(t *testing.T) {
ta := NewTextArea(tt.opts...)
tt.assert(t, ta)
})
}
}
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