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|
package tui
import (
"testing"
)
func TestElement_SetOnUpdate_CalledDuringRender(t *testing.T) {
updateCalled := false
e := New(WithSize(10, 10))
e.SetOnUpdate(func() {
updateCalled = true
})
buf := NewBuffer(20, 20)
e.Render(buf, 20, 20)
if !updateCalled {
t.Error("onUpdate hook should be called during Render()")
}
}
func TestElement_Render_NilOnUpdateDoesNotPanic(t *testing.T) {
e := New(WithSize(10, 10))
buf := NewBuffer(20, 20)
e.Render(buf, 20, 20)
}
func TestElement_WithOnUpdate_SetsHook(t *testing.T) {
updateCalled := false
e := New(
WithSize(10, 10),
WithOnUpdate(func() {
updateCalled = true
}),
)
buf := NewBuffer(20, 20)
e.Render(buf, 20, 20)
if !updateCalled {
t.Error("WithOnUpdate should set the onUpdate hook")
}
}
func TestElement_OnUpdate_CalledOnEachRender(t *testing.T) {
callCount := 0
e := New(WithSize(10, 10))
e.SetOnUpdate(func() {
callCount++
})
buf := NewBuffer(20, 20)
e.Render(buf, 20, 20)
e.Render(buf, 20, 20)
e.Render(buf, 20, 20)
if callCount != 3 {
t.Errorf("onUpdate should be called on each render, got %d calls, want 3", callCount)
}
}
func TestElement_WithFocusable(t *testing.T) {
type tc struct {
focusable bool
}
tests := map[string]tc{
"focusable true": {focusable: true},
"focusable false": {focusable: false},
}
for name, tt := range tests {
t.Run(name, func(t *testing.T) {
e := New(WithFocusable(tt.focusable))
if e.IsFocusable() != tt.focusable {
t.Errorf("WithFocusable(%v) = %v, want %v", tt.focusable, e.IsFocusable(), tt.focusable)
}
})
}
}
func TestElement_SetFocusable(t *testing.T) {
e := New()
if e.IsFocusable() {
t.Error("element should not be focusable by default")
}
e.SetFocusable(true)
if !e.IsFocusable() {
t.Error("SetFocusable(true) should make element focusable")
}
e.SetFocusable(false)
if e.IsFocusable() {
t.Error("SetFocusable(false) should make element not focusable")
}
}
func TestElement_RemoveAllChildren(t *testing.T) {
parent := New()
child1 := New()
child2 := New()
child3 := New()
parent.AddChild(child1, child2, child3)
if len(parent.Children()) != 3 {
t.Fatalf("setup failed: expected 3 children, got %d", len(parent.Children()))
}
parent.dirty = false
testApp.MarkDirty()
_ = testApp.checkAndClearDirty()
parent.RemoveAllChildren()
if len(parent.Children()) != 0 {
t.Errorf("RemoveAllChildren should remove all children, got %d", len(parent.Children()))
}
if child1.Parent() != nil {
t.Error("removed child1's parent should be nil")
}
if child2.Parent() != nil {
t.Error("removed child2's parent should be nil")
}
if child3.Parent() != nil {
t.Error("removed child3's parent should be nil")
}
if !parent.IsDirty() {
t.Error("RemoveAllChildren should mark parent dirty")
}
}
func TestElement_RemoveAllChildren_Empty(t *testing.T) {
parent := New()
parent.RemoveAllChildren()
if len(parent.Children()) != 0 {
t.Error("RemoveAllChildren on empty element should result in no children")
}
}
func TestElement_MarkDirty_SetsGlobalDirtyFlag(t *testing.T) {
_ = testApp.checkAndClearDirty()
e := New()
e.app = testApp
e.dirty = false
e.MarkDirty()
if !testApp.checkAndClearDirty() {
t.Error("MarkDirty should set the global dirty flag")
}
}
func TestElement_ScrollBy_MarksDirty(t *testing.T) {
_ = testApp.checkAndClearDirty()
e := New(
WithHeight(10),
WithScrollable(ScrollVertical),
WithDirection(Column),
)
e.app = testApp
for range 20 {
e.AddChild(New(WithHeight(1)))
}
buf := NewBuffer(80, 25)
e.Render(buf, 80, 10)
e.dirty = false
_ = testApp.checkAndClearDirty()
e.ScrollBy(0, 5)
if !testApp.checkAndClearDirty() {
t.Error("ScrollBy should mark the global dirty flag")
}
}
func TestElement_SetText_MarksDirty(t *testing.T) {
_ = testApp.checkAndClearDirty()
e := New(WithText("hello"))
e.app = testApp
e.dirty = false
_ = testApp.checkAndClearDirty()
e.SetText("world")
if !testApp.checkAndClearDirty() {
t.Error("SetText should mark the global dirty flag")
}
}
func TestElement_AddChild_MarksDirty(t *testing.T) {
_ = testApp.checkAndClearDirty()
parent := New()
parent.app = testApp
parent.dirty = false
_ = testApp.checkAndClearDirty()
child := New()
parent.AddChild(child)
if !testApp.checkAndClearDirty() {
t.Error("AddChild should mark the global dirty flag")
}
}
func TestElement_Wrap(t *testing.T) {
type tc struct {
opts []Option
want bool
}
tests := map[string]tc{
"default is true": {
opts: nil,
want: true,
},
"WithWrap false": {
opts: []Option{WithWrap(false)},
want: false,
},
"WithWrap true": {
opts: []Option{WithWrap(true)},
want: true,
},
}
for name, tt := range tests {
t.Run(name, func(t *testing.T) {
e := New(tt.opts...)
if got := e.Wrap(); got != tt.want {
t.Errorf("Wrap() = %v, want %v", got, tt.want)
}
})
}
}
func TestElement_SetWrap(t *testing.T) {
type tc struct {
set bool
want bool
}
tests := map[string]tc{
"disable wrapping": {
set: false,
want: false,
},
"enable wrapping": {
set: true,
want: true,
},
}
for name, tt := range tests {
t.Run(name, func(t *testing.T) {
e := New(WithWrap(!tt.set))
e.SetWrap(tt.set)
if got := e.Wrap(); got != tt.want {
t.Errorf("Wrap() after SetWrap(%v) = %v, want %v", tt.set, got, tt.want)
}
})
}
}
func TestElement_SetWrap_MarksDirty(t *testing.T) {
_ = testApp.checkAndClearDirty()
e := New()
e.app = testApp
e.dirty = false
e.SetWrap(false)
if !testApp.checkAndClearDirty() {
t.Error("SetWrap should mark the global dirty flag")
}
}
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