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tabcontainer_test.go
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tabcontainer_test.go
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package widget_test
import (
"testing"
"fyne.io/fyne"
"fyne.io/fyne/theme"
"fyne.io/fyne/widget"
"github.com/stretchr/testify/assert"
)
func TestTabContainer_CurrentTab(t *testing.T) {
tab1 := &widget.TabItem{Text: "Test1", Content: widget.NewLabel("Test1")}
tab2 := &widget.TabItem{Text: "Test2", Content: widget.NewLabel("Test2")}
tabs := widget.NewTabContainer(tab1, tab2)
assert.Equal(t, 2, len(tabs.Items))
assert.Equal(t, tab1, tabs.CurrentTab())
}
func TestTabContainer_CurrentTabIndex(t *testing.T) {
tabs := widget.NewTabContainer(&widget.TabItem{Text: "Test", Content: widget.NewLabel("Test")})
assert.Equal(t, 1, len(tabs.Items))
assert.Equal(t, 0, tabs.CurrentTabIndex())
}
func TestTabContainer_Empty(t *testing.T) {
tabs := widget.NewTabContainer()
assert.Equal(t, 0, len(tabs.Items))
assert.Equal(t, -1, tabs.CurrentTabIndex())
assert.Nil(t, tabs.CurrentTab())
min := tabs.MinSize()
assert.Equal(t, 0, min.Width)
assert.Equal(t, theme.Padding(), min.Height)
}
func TestTabContainer_Hidden_AsChild(t *testing.T) {
c1 := widget.NewLabel("Tab 1 content")
c2 := widget.NewLabel("Tab 2 content\nTab 2 content\nTab 2 content")
ti1 := widget.NewTabItem("Tab 1", c1)
ti2 := widget.NewTabItem("Tab 2", c2)
tabs := widget.NewTabContainer(ti1, ti2)
tabs.Refresh()
assert.True(t, c1.Visible())
assert.False(t, c2.Visible())
tabs.SelectTabIndex(1)
assert.False(t, c1.Visible())
assert.True(t, c2.Visible())
}
func TestTabContainer_Resize_Empty(t *testing.T) {
tabs := widget.NewTabContainer()
tabs.Resize(fyne.NewSize(10, 10))
size := tabs.Size()
assert.Equal(t, 10, size.Height)
assert.Equal(t, 10, size.Width)
}
func TestTabContainer_SelectTab(t *testing.T) {
tab1 := &widget.TabItem{Text: "Test1", Content: widget.NewLabel("Test1")}
tab2 := &widget.TabItem{Text: "Test2", Content: widget.NewLabel("Test2")}
tabs := widget.NewTabContainer(tab1, tab2)
assert.Equal(t, 2, len(tabs.Items))
assert.Equal(t, tab1, tabs.CurrentTab())
var selectedTab *widget.TabItem
tabs.OnChanged = func(tab *widget.TabItem) {
selectedTab = tab
}
tabs.SelectTab(tab2)
assert.Equal(t, tab2, tabs.CurrentTab())
assert.Equal(t, tab2, selectedTab)
tabs.OnChanged = func(tab *widget.TabItem) {
assert.Fail(t, "unexpected tab selection")
}
tabs.SelectTab(widget.NewTabItem("Test3", widget.NewLabel("Test3")))
assert.Equal(t, tab2, tabs.CurrentTab())
}
func TestTabContainer_SelectTabIndex(t *testing.T) {
tabs := widget.NewTabContainer(&widget.TabItem{Text: "Test1", Content: widget.NewLabel("Test1")},
&widget.TabItem{Text: "Test2", Content: widget.NewLabel("Test2")})
assert.Equal(t, 2, len(tabs.Items))
assert.Equal(t, 0, tabs.CurrentTabIndex())
var selectedTab *widget.TabItem
tabs.OnChanged = func(tab *widget.TabItem) {
selectedTab = tab
}
tabs.SelectTabIndex(1)
assert.Equal(t, 1, tabs.CurrentTabIndex())
assert.Equal(t, tabs.Items[1], selectedTab)
}
func TestTabContainer_RemoveIndex(t *testing.T) {
tabs := widget.NewTabContainer(&widget.TabItem{Text: "Test1", Content: widget.NewLabel("Test1")},
&widget.TabItem{Text: "Test2", Content: widget.NewLabel("Test2")})
tabs.SelectTabIndex(1)
tabs.RemoveIndex(1)
assert.Equal(t, 0, tabs.CurrentTabIndex()) // check max item selection and no panic
tabs.SelectTabIndex(0)
tabs.RemoveIndex(0)
assert.Equal(t, -1, tabs.CurrentTabIndex()) // check deselection and no panic
}