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|
package tui
import (
"strings"
"testing"
"time"
)
func newTestInput(opts ...InputOption) *Input {
inp := NewInput(opts...)
inp.BindApp(testApp)
return inp
}
func TestInput_NewInput_Defaults(t *testing.T) {
inp := newTestInput()
if inp.width != 20 {
t.Errorf("width = %d, want 20", inp.width)
}
if inp.border != BorderNone {
t.Errorf("border = %v, want BorderNone", inp.border)
}
if inp.cursorRune != '▌' {
t.Errorf("cursorRune = %q, want '▌'", inp.cursorRune)
}
if inp.placeholderStyle != (Style{}.Dim()) {
t.Errorf("placeholderStyle = %+v, want dim", inp.placeholderStyle)
}
if got := inp.Text(); got != "" {
t.Errorf("Text() = %q, want empty", got)
}
if inp.cursorPos.Get() != 0 || inp.scrollPos.Get() != 0 {
t.Errorf("cursorPos/scrollPos = %d/%d, want 0/0", inp.cursorPos.Get(), inp.scrollPos.Get())
}
if !inp.blink.Get() {
t.Error("blink should start true")
}
if inp.IsFocused() {
t.Error("input should start unfocused")
}
}
func TestInput_BindApp_BindsAllStates(t *testing.T) {
type tc struct {
stateApp func(*Input) *App
}
tests := map[string]tc{
"text": {stateApp: func(i *Input) *App { return i.text.app }},
"cursorPos": {stateApp: func(i *Input) *App { return i.cursorPos.app }},
"scrollPos": {stateApp: func(i *Input) *App { return i.scrollPos.app }},
"blink": {stateApp: func(i *Input) *App { return i.blink.app }},
"focused": {stateApp: func(i *Input) *App { return i.focused.app }},
}
for name, tt := range tests {
t.Run(name, func(t *testing.T) {
inp := NewInput()
inp.BindApp(testApp)
if tt.stateApp(inp) != testApp {
t.Errorf("state %s not bound to testApp", name)
}
})
}
}
func TestInput_SetTextAndClear(t *testing.T) {
type tc struct {
setText string
clear bool
wantText string
wantCursorPos int
}
tests := map[string]tc{
"ascii moves cursor to end": {
setText: "hello", wantText: "hello", wantCursorPos: 5,
},
"multibyte counts runes not bytes": {
setText: "a界🙂", wantText: "a界🙂", wantCursorPos: 3,
},
"clear resets text cursor and scroll": {
setText: "hello world long", clear: true, wantText: "", wantCursorPos: 0,
},
}
for name, tt := range tests {
t.Run(name, func(t *testing.T) {
inp := newTestInput(WithInputWidth(5))
inp.SetText(tt.setText)
if tt.clear {
inp.scrollPos.Set(3)
inp.Clear()
if inp.scrollPos.Get() != 0 {
t.Errorf("scrollPos after Clear = %d, want 0", inp.scrollPos.Get())
}
}
if got := inp.Text(); got != tt.wantText {
t.Errorf("Text() = %q, want %q", got, tt.wantText)
}
if got := inp.cursorPos.Get(); got != tt.wantCursorPos {
t.Errorf("cursorPos = %d, want %d", got, tt.wantCursorPos)
}
})
}
}
func TestInput_VisibleWidth(t *testing.T) {
type tc struct {
width int
border BorderStyle
want int
}
tests := map[string]tc{
"no border uses full width": {width: 20, border: BorderNone, want: 20},
"border reserves two columns": {width: 20, border: BorderSingle, want: 18},
"rounded border also shrinks": {width: 10, border: BorderRounded, want: 8},
"zero width without border": {width: 0, border: BorderNone, want: 0},
"narrow border can go negative": {width: 1, border: BorderSingle, want: -1},
}
for name, tt := range tests {
t.Run(name, func(t *testing.T) {
inp := newTestInput(WithInputWidth(tt.width), WithInputBorder(tt.border))
if got := inp.visibleWidth(); got != tt.want {
t.Errorf("visibleWidth() = %d, want %d", got, tt.want)
}
})
}
}
func TestInput_ClampCursorPos(t *testing.T) {
type tc struct {
text string
pos int
want int
}
tests := map[string]tc{
"negative clamps to zero": {text: "abc", pos: -1, want: 0},
"past end clamps to length": {text: "abc", pos: 99, want: 3},
"in range passes through": {text: "abc", pos: 1, want: 1},
"multibyte clamps to runes": {text: "a界", pos: 10, want: 2},
"empty text clamps to zero": {text: "", pos: 5, want: 0},
"at exact end stays at end": {text: "ab", pos: 2, want: 2},
"at exact start stays there": {text: "ab", pos: 0, want: 0},
}
for name, tt := range tests {
t.Run(name, func(t *testing.T) {
inp := newTestInput()
inp.text.Set(tt.text)
inp.cursorPos.Set(tt.pos)
if got := inp.clampCursorPos(); got != tt.want {
t.Errorf("clampCursorPos() = %d, want %d", got, tt.want)
}
})
}
}
func TestInput_EnsureCursorVisible(t *testing.T) {
type tc struct {
width int
text string
cursorPos int
scrollPos int
wantScroll int
}
tests := map[string]tc{
"cursor left of window scrolls back": {
width: 5, text: "abcdefgh", cursorPos: 2, scrollPos: 5, wantScroll: 2,
},
"cursor right of window scrolls forward": {
width: 5, text: "abcdefgh", cursorPos: 8, scrollPos: 0, wantScroll: 4,
},
"cursor inside window leaves scroll alone": {
width: 5, text: "abcdefgh", cursorPos: 3, scrollPos: 2, wantScroll: 2,
},
"zero visible width returns early": {
width: 0, text: "abcdefgh", cursorPos: 8, scrollPos: 3, wantScroll: 3,
},
}
for name, tt := range tests {
t.Run(name, func(t *testing.T) {
inp := newTestInput(WithInputWidth(tt.width))
inp.text.Set(tt.text)
inp.cursorPos.Set(tt.cursorPos)
inp.scrollPos.Set(tt.scrollPos)
inp.ensureCursorVisible()
if got := inp.scrollPos.Get(); got != tt.wantScroll {
t.Errorf("scrollPos = %d, want %d", got, tt.wantScroll)
}
})
}
}
func TestInput_HandleEvent_Editing(t *testing.T) {
type tc struct {
width int
text string
cursorPos int
events []KeyEvent
wantText string
wantCursor int
wantScroll int
}
tests := map[string]tc{
"typing inserts at cursor": {
width: 20, text: "", cursorPos: 0,
events: []KeyEvent{
{Key: KeyRune, Rune: 'h'},
{Key: KeyRune, Rune: 'i'},
},
wantText: "hi", wantCursor: 2, wantScroll: 0,
},
"insert in the middle": {
width: 20, text: "ac", cursorPos: 1,
events: []KeyEvent{{Key: KeyRune, Rune: 'b'}},
wantText: "abc", wantCursor: 2, wantScroll: 0,
},
"insert multibyte rune": {
width: 20, text: "a界", cursorPos: 1,
events: []KeyEvent{{Key: KeyRune, Rune: '🙂'}},
wantText: "a🙂界", wantCursor: 2, wantScroll: 0,
},
"typing past width scrolls window": {
width: 5, text: "", cursorPos: 0,
events: []KeyEvent{
{Key: KeyRune, Rune: 'a'},
{Key: KeyRune, Rune: 'b'},
{Key: KeyRune, Rune: 'c'},
{Key: KeyRune, Rune: 'd'},
{Key: KeyRune, Rune: 'e'},
{Key: KeyRune, Rune: 'f'},
{Key: KeyRune, Rune: 'g'},
{Key: KeyRune, Rune: 'h'},
},
wantText: "abcdefgh", wantCursor: 8, wantScroll: 4,
},
"backspace deletes before cursor": {
width: 20, text: "abc", cursorPos: 2,
events: []KeyEvent{{Key: KeyBackspace}},
wantText: "ac", wantCursor: 1, wantScroll: 0,
},
"backspace at start is a no-op": {
width: 20, text: "abc", cursorPos: 0,
events: []KeyEvent{{Key: KeyBackspace}},
wantText: "abc", wantCursor: 0, wantScroll: 0,
},
"backspace pins cursor to right edge on long text": {
width: 5, text: "abcdefgh", cursorPos: 8,
events: []KeyEvent{{Key: KeyBackspace}},
wantText: "abcdefg", wantCursor: 7, wantScroll: 3,
},
"backspace on short text resets scroll": {
width: 5, text: "abc", cursorPos: 3,
events: []KeyEvent{{Key: KeyBackspace}},
wantText: "ab", wantCursor: 2, wantScroll: 0,
},
"delete removes char at cursor": {
width: 20, text: "abc", cursorPos: 1,
events: []KeyEvent{{Key: KeyDelete}},
wantText: "ac", wantCursor: 1, wantScroll: 0,
},
"delete at end is a no-op": {
width: 20, text: "abc", cursorPos: 3,
events: []KeyEvent{{Key: KeyDelete}},
wantText: "abc", wantCursor: 3, wantScroll: 0,
},
"delete past visible width keeps cursor in view": {
width: 5, text: "abcdefgh", cursorPos: 5,
events: []KeyEvent{{Key: KeyDelete}},
wantText: "abcdegh", wantCursor: 5, wantScroll: 1,
},
"delete on short text resets scroll": {
width: 5, text: "abc", cursorPos: 0,
events: []KeyEvent{{Key: KeyDelete}},
wantText: "bc", wantCursor: 0, wantScroll: 0,
},
}
for name, tt := range tests {
t.Run(name, func(t *testing.T) {
inp := newTestInput(WithInputWidth(tt.width))
inp.text.Set(tt.text)
inp.cursorPos.Set(tt.cursorPos)
for _, ev := range tt.events {
if handled := inp.HandleEvent(ev); !handled {
t.Fatalf("HandleEvent(%+v) = false, want true", ev)
}
}
if got := inp.Text(); got != tt.wantText {
t.Errorf("Text() = %q, want %q", got, tt.wantText)
}
if got := inp.cursorPos.Get(); got != tt.wantCursor {
t.Errorf("cursorPos = %d, want %d", got, tt.wantCursor)
}
if got := inp.scrollPos.Get(); got != tt.wantScroll {
t.Errorf("scrollPos = %d, want %d", got, tt.wantScroll)
}
})
}
}
func TestInput_HandleEvent_CursorMovement(t *testing.T) {
type tc struct {
text string
cursorPos int
scrollPos int
event KeyEvent
wantCursor int
wantScroll int
}
tests := map[string]tc{
"left moves cursor back": {
text: "abc", cursorPos: 2,
event: KeyEvent{Key: KeyLeft},
wantCursor: 1, wantScroll: 0,
},
"left at start is a no-op": {
text: "abc", cursorPos: 0,
event: KeyEvent{Key: KeyLeft},
wantCursor: 0, wantScroll: 0,
},
"left scrolls window when cursor exits": {
text: "abcdefgh", cursorPos: 4, scrollPos: 4,
event: KeyEvent{Key: KeyLeft},
wantCursor: 3, wantScroll: 3,
},
"right moves cursor forward": {
text: "abc", cursorPos: 1,
event: KeyEvent{Key: KeyRight},
wantCursor: 2, wantScroll: 0,
},
"right at end is a no-op": {
text: "abc", cursorPos: 3,
event: KeyEvent{Key: KeyRight},
wantCursor: 3, wantScroll: 0,
},
"home jumps to start and resets scroll": {
text: "abcdefgh", cursorPos: 8, scrollPos: 4,
event: KeyEvent{Key: KeyHome},
wantCursor: 0, wantScroll: 0,
},
"end jumps past last rune and scrolls": {
text: "abcdefgh", cursorPos: 0, scrollPos: 0,
event: KeyEvent{Key: KeyEnd},
wantCursor: 8, wantScroll: 4,
},
}
for name, tt := range tests {
t.Run(name, func(t *testing.T) {
inp := newTestInput(WithInputWidth(5))
inp.text.Set(tt.text)
inp.cursorPos.Set(tt.cursorPos)
inp.scrollPos.Set(tt.scrollPos)
inp.blink.Set(false)
inp.HandleEvent(tt.event)
if got := inp.cursorPos.Get(); got != tt.wantCursor {
t.Errorf("cursorPos = %d, want %d", got, tt.wantCursor)
}
if got := inp.scrollPos.Get(); got != tt.wantScroll {
t.Errorf("scrollPos = %d, want %d", got, tt.wantScroll)
}
moved := inp.cursorPos.Get() != tt.cursorPos ||
tt.event.Key == KeyHome || tt.event.Key == KeyEnd
if moved && !inp.blink.Get() {
t.Error("blink should be reset to true after cursor movement")
}
})
}
}
func TestInput_HandleEvent_UnmatchedEvents(t *testing.T) {
type tc struct {
event Event
}
tests := map[string]tc{
"mouse events are not handled": {
event: MouseEvent{Button: MouseLeft, Action: MousePress, X: 1, Y: 1},
},
"unbound special key falls through": {
event: KeyEvent{Key: KeyUp},
},
"ctrl-modified key falls through": {
event: KeyEvent{Key: KeyTab},
},
}
for name, tt := range tests {
t.Run(name, func(t *testing.T) {
inp := newTestInput()
inp.SetText("abc")
if handled := inp.HandleEvent(tt.event); handled {
t.Errorf("HandleEvent(%+v) = true, want false", tt.event)
}
if got := inp.Text(); got != "abc" {
t.Errorf("text changed to %q, want %q", got, "abc")
}
})
}
}
func TestInput_Submit(t *testing.T) {
type tc struct {
text string
setOnSub bool
wantCalled bool
}
tests := map[string]tc{
"enter calls onSubmit with text": {text: "hello", setOnSub: true, wantCalled: true},
"enter without onSubmit is no-op": {text: "hello", setOnSub: false, wantCalled: false},
}
for name, tt := range tests {
t.Run(name, func(t *testing.T) {
var got string
called := false
opts := []InputOption{}
if tt.setOnSub {
opts = append(opts, WithInputOnSubmit(func(s string) {
called = true
got = s
}))
}
inp := newTestInput(opts...)
inp.SetText(tt.text)
if handled := inp.HandleEvent(KeyEvent{Key: KeyEnter}); !handled {
t.Fatal("HandleEvent(Enter) = false, want true")
}
if called != tt.wantCalled {
t.Fatalf("onSubmit called = %v, want %v", called, tt.wantCalled)
}
if tt.wantCalled && got != tt.text {
t.Errorf("onSubmit received %q, want %q", got, tt.text)
}
})
}
}
func TestInput_OnChange_FiresForEdits(t *testing.T) {
type tc struct {
text string
cursorPos int
event KeyEvent
wantValue string
wantCalls int
}
tests := map[string]tc{
"insert fires onChange": {text: "ab", cursorPos: 2, event: KeyEvent{Key: KeyRune, Rune: 'c'}, wantValue: "abc", wantCalls: 1},
"backspace fires onChange": {text: "abc", cursorPos: 3, event: KeyEvent{Key: KeyBackspace}, wantValue: "ab", wantCalls: 1},
"delete fires onChange": {text: "abc", cursorPos: 0, event: KeyEvent{Key: KeyDelete}, wantValue: "bc", wantCalls: 1},
"movement does not fire onChange": {text: "abc", cursorPos: 1, event: KeyEvent{Key: KeyRight}, wantValue: "", wantCalls: 0},
}
for name, tt := range tests {
t.Run(name, func(t *testing.T) {
calls := 0
var last string
inp := newTestInput(WithInputOnChange(func(s string) {
calls++
last = s
}))
inp.text.Set(tt.text)
inp.cursorPos.Set(tt.cursorPos)
inp.HandleEvent(tt.event)
if calls != tt.wantCalls {
t.Fatalf("onChange calls = %d, want %d", calls, tt.wantCalls)
}
if tt.wantCalls > 0 && last != tt.wantValue {
t.Errorf("onChange value = %q, want %q", last, tt.wantValue)
}
})
}
}
func TestInput_FocusBlur_Transitions(t *testing.T) {
inp := newTestInput()
if !inp.IsFocusable() {
t.Error("IsFocusable() = false, want true")
}
if !inp.IsTabStop() {
t.Error("IsTabStop() = false, want true")
}
inp.blink.Set(false)
inp.Focus()
if !inp.IsFocused() {
t.Fatal("IsFocused() = false after Focus()")
}
if !inp.blink.Get() {
t.Error("blink should reset to true on focus")
}
inp.blink.Set(false)
inp.Focus()
if inp.blink.Get() {
t.Error("second Focus() should be a no-op and leave blink untouched")
}
inp.Blur()
if inp.IsFocused() {
t.Fatal("IsFocused() = true after Blur()")
}
inp.Blur()
if inp.IsFocused() {
t.Error("second Blur() should leave input unfocused")
}
}
func TestInput_EscapeBlursViaApp(t *testing.T) {
inp := newTestInput()
root := inp.Render(testApp)
testApp.focus.Register(root)
defer testApp.focus.Unregister(root)
testApp.focus.SetFocus(root)
if !inp.IsFocused() {
t.Fatal("input should be focused after SetFocus on its element")
}
if handled := inp.HandleEvent(KeyEvent{Key: KeyEscape, app: testApp}); !handled {
t.Fatal("HandleEvent(Escape) = false, want true")
}
if inp.IsFocused() {
t.Error("input should be blurred after Escape")
}
if testApp.Focused() != nil {
t.Error("app should have no focused element after Escape")
}
}
func TestInput_EscapeWithoutApp_IsHandled(t *testing.T) {
inp := newTestInput()
inp.Focus()
if handled := inp.HandleEvent(KeyEvent{Key: KeyEscape}); !handled {
t.Fatal("HandleEvent(Escape) = false, want true")
}
if !inp.IsFocused() {
t.Error("input should remain focused when event has no app")
}
}
func TestInput_KeyMap_FocusGatedBindings(t *testing.T) {
inp := newTestInput()
km := inp.KeyMap()
if len(km) != 9 {
t.Fatalf("KeyMap() has %d bindings, want 9", len(km))
}
for i, b := range km {
if !b.Pattern.FocusRequired {
t.Errorf("binding %d is not focus-gated", i)
}
if !b.Stop {
t.Errorf("binding %d does not stop propagation", i)
}
}
}
func TestInput_Watchers_BlinkTimer(t *testing.T) {
inp := newTestInput()
ws := inp.Watchers()
if len(ws) != 1 {
t.Fatalf("Watchers() returned %d watchers, want 1", len(ws))
}
tw, ok := ws[0].(*timerWatcher)
if !ok {
t.Fatalf("watcher is %T, want *timerWatcher", ws[0])
}
if tw.interval != 500*time.Millisecond {
t.Errorf("blink interval = %v, want 500ms", tw.interval)
}
inp.Focus()
if !inp.blink.Get() {
t.Fatal("blink should be true after focus")
}
tw.handler()
if inp.blink.Get() {
t.Error("blink should toggle to false on tick")
}
tw.handler()
if !inp.blink.Get() {
t.Error("blink should toggle back to true on tick")
}
inp.Blur()
inp.blink.Set(true)
tw.handler()
if !inp.blink.Get() {
t.Error("blink should not toggle while unfocused")
}
}
func TestInput_DisplayText(t *testing.T) {
type tc struct {
width int
text string
cursorPos int
scrollPos int
focused bool
blink bool
want string
}
tests := map[string]tc{
"unfocused empty shows single space": {
width: 10, text: "", focused: false, want: " ",
},
"unfocused short text shows all": {
width: 10, text: "abc", cursorPos: 3, focused: false, want: "abc",
},
"unfocused long text shows scrolled viewport": {
width: 5, text: "abcdefgh", cursorPos: 8, focused: false, want: "efgh",
},
"focused shows cursor at position": {
width: 10, text: "abc", cursorPos: 1, focused: true, blink: true, want: "a▌bc",
},
"focused blink off shows space cursor": {
width: 10, text: "abc", cursorPos: 1, focused: true, blink: false, want: "a bc",
},
"focused cursor at end": {
width: 10, text: "abc", cursorPos: 3, focused: true, blink: true, want: "abc▌",
},
"focused empty shows bare cursor": {
width: 10, text: "", cursorPos: 0, focused: true, blink: true, want: "▌",
},
"focused scrolled viewport keeps cursor visible": {
width: 5, text: "abcdefgh", cursorPos: 8, focused: true, blink: true, want: "efgh▌",
},
"scroll beyond cursor shifts view start": {
width: 0, text: "abc", cursorPos: 1, scrollPos: 2, focused: true, blink: true, want: "c",
},
"negative scroll clamps to zero": {
width: 0, text: "ab", cursorPos: 0, scrollPos: -3, focused: true, blink: true, want: "▌",
},
}
for name, tt := range tests {
t.Run(name, func(t *testing.T) {
inp := newTestInput(WithInputWidth(tt.width))
inp.text.Set(tt.text)
inp.cursorPos.Set(tt.cursorPos)
inp.scrollPos.Set(tt.scrollPos)
inp.focused.Set(tt.focused)
inp.blink.Set(tt.blink)
if got := inp.displayText(); got != tt.want {
t.Errorf("displayText() = %q, want %q", got, tt.want)
}
})
}
}
func TestInput_Render_ContentAndPlaceholder(t *testing.T) {
type tc struct {
opts []InputOption
text string
focused bool
wantChild string
wantStyle Style
}
tests := map[string]tc{
"placeholder shown when empty and unfocused": {
opts: []InputOption{WithInputPlaceholder("type here")},
wantChild: "type here",
wantStyle: Style{}.Dim(),
},
"placeholder hidden when focused": {
opts: []InputOption{WithInputPlaceholder("type here")},
focused: true,
wantChild: "▌",
},
"text shown instead of placeholder": {
opts: []InputOption{WithInputPlaceholder("type here")},
text: "hi",
wantChild: "hi",
},
"empty without placeholder shows blank": {
wantChild: " ",
},
"custom text style applied to content": {
opts: []InputOption{WithInputTextStyle(NewStyle().Bold())},
text: "hi",
wantChild: "hi",
wantStyle: NewStyle().Bold(),
},
}
for name, tt := range tests {
t.Run(name, func(t *testing.T) {
inp := newTestInput(tt.opts...)
if tt.text != "" {
inp.SetText(tt.text)
}
inp.focused.Set(tt.focused)
root := inp.Render(testApp)
if len(root.children) != 1 {
t.Fatalf("root has %d children, want 1", len(root.children))
}
child := root.children[0]
if child.text != tt.wantChild {
t.Errorf("child text = %q, want %q", child.text, tt.wantChild)
}
if tt.wantStyle != (Style{}) && child.textStyle != tt.wantStyle {
t.Errorf("child textStyle = %+v, want %+v", child.textStyle, tt.wantStyle)
}
})
}
}
func TestInput_Render_BorderStates(t *testing.T) {
focusColor := Cyan
borderGrad := NewGradient(Red, Blue)
focusGrad := NewGradient(Green, Yellow)
type tc struct {
opts []InputOption
focused bool
wantBorder BorderStyle
wantBorderStyle Style
wantGradient *Gradient
wantWidth Value
}
tests := map[string]tc{
"no border by default": {
wantBorder: BorderNone,
wantWidth: Fixed(20),
},
"border applied when set": {
opts: []InputOption{WithInputBorder(BorderSingle)},
wantBorder: BorderSingle,
wantWidth: Fixed(20),
},
"focus color applied when focused": {
opts: []InputOption{
WithInputBorder(BorderSingle),
WithInputFocusColor(focusColor),
},
focused: true,
wantBorder: BorderSingle,
wantBorderStyle: NewStyle().Foreground(focusColor),
wantWidth: Fixed(20),
},
"focus color ignored when unfocused": {
opts: []InputOption{
WithInputBorder(BorderSingle),
WithInputFocusColor(focusColor),
},
wantBorder: BorderSingle,
wantWidth: Fixed(20),
},
"focus gradient wins over focus color": {
opts: []InputOption{
WithInputBorder(BorderSingle),
WithInputFocusColor(focusColor),
WithInputFocusGradient(focusGrad),
},
focused: true,
wantBorder: BorderSingle,
wantGradient: &focusGrad,
wantWidth: Fixed(20),
},
"border gradient applied when unfocused": {
opts: []InputOption{
WithInputBorder(BorderSingle),
WithInputBorderGradient(borderGrad),
},
wantBorder: BorderSingle,
wantGradient: &borderGrad,
wantWidth: Fixed(20),
},
"zero width skips width option": {
opts: []InputOption{WithInputWidth(0)},
wantBorder: BorderNone,
wantWidth: Auto(),
},
}
for name, tt := range tests {
t.Run(name, func(t *testing.T) {
inp := newTestInput(tt.opts...)
inp.focused.Set(tt.focused)
root := inp.Render(testApp)
if root.border != tt.wantBorder {
t.Errorf("border = %v, want %v", root.border, tt.wantBorder)
}
if root.borderStyle != tt.wantBorderStyle {
t.Errorf("borderStyle = %+v, want %+v", root.borderStyle, tt.wantBorderStyle)
}
if tt.wantGradient == nil {
if root.borderGradient != nil {
t.Errorf("borderGradient = %+v, want nil", root.borderGradient)
}
} else if root.borderGradient == nil || *root.borderGradient != *tt.wantGradient {
t.Errorf("borderGradient = %+v, want %+v", root.borderGradient, *tt.wantGradient)
}
if !root.IsFocusable() {
t.Error("rendered root should be focusable")
}
if root.style.Width != tt.wantWidth {
t.Errorf("style.Width = %+v, want %+v", root.style.Width, tt.wantWidth)
}
})
}
}
func TestInput_Render_ElementFocusWiring(t *testing.T) {
inp := newTestInput()
root := inp.Render(testApp)
root.Focus()
if !inp.IsFocused() {
t.Fatal("element Focus() should focus the input component")
}
root.Blur()
if inp.IsFocused() {
t.Fatal("element Blur() should blur the input component")
}
}
func TestInput_Render_Output(t *testing.T) {
type tc struct {
opts []InputOption
text string
focus bool
width int
wantRows int
wantSubstr string
}
tests := map[string]tc{
"borderless input renders text on one row": {
opts: []InputOption{WithInputWidth(10)},
text: "hello",
width: 10,
wantRows: 1,
wantSubstr: "hello",
},
"bordered input renders three rows": {
opts: []InputOption{WithInputWidth(10), WithInputBorder(BorderSingle)},
text: "hi",
width: 10,
wantRows: 3,
wantSubstr: "hi",
},
"focused input renders cursor": {
opts: []InputOption{WithInputWidth(10)},
text: "ab",
focus: true,
width: 10,
wantRows: 1,
wantSubstr: "ab▌",
},
"placeholder rendered when empty": {
opts: []InputOption{WithInputWidth(12), WithInputPlaceholder("search")},
width: 12,
wantRows: 1,
wantSubstr: "search",
},
}
for name, tt := range tests {
t.Run(name, func(t *testing.T) {
inp := newTestInput(tt.opts...)
if tt.text != "" {
inp.SetText(tt.text)
}
if tt.focus {
inp.Focus()
inp.blink.Set(true)
}
rows := renderedRows(t, inp, tt.width)
if len(rows) != tt.wantRows {
t.Fatalf("rendered %d rows, want %d:\n%s", len(rows), tt.wantRows, strings.Join(rows, "\n"))
}
if !strings.Contains(strings.Join(rows, "\n"), tt.wantSubstr) {
t.Errorf("rendered output missing %q:\n%s", tt.wantSubstr, strings.Join(rows, "\n"))
}
})
}
}
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