/
slider_test.go
159 lines (119 loc) · 3.44 KB
/
slider_test.go
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package widget
import (
"testing"
"fyne.io/fyne/v2"
"fyne.io/fyne/v2/data/binding"
"fyne.io/fyne/v2/test"
"fyne.io/fyne/v2/theme"
"github.com/stretchr/testify/assert"
)
func TestNewSliderWithData(t *testing.T) {
val := binding.NewFloat()
err := val.Set(4)
assert.Nil(t, err)
s := NewSliderWithData(0, 10, val)
waitForBinding()
assert.Equal(t, 4.0, s.Value)
s.SetValue(2.0)
f, err := val.Get()
assert.Nil(t, err)
assert.Equal(t, 2.0, f)
}
func TestSlider_Binding(t *testing.T) {
s := NewSlider(0, 10)
s.SetValue(2)
assert.Equal(t, 2.0, s.Value)
val := binding.NewFloat()
s.Bind(val)
waitForBinding()
assert.Equal(t, 0.0, s.Value)
err := val.Set(3)
assert.Nil(t, err)
waitForBinding()
assert.Equal(t, 3.0, s.Value)
s.SetValue(5)
f, err := val.Get()
assert.Nil(t, err)
assert.Equal(t, 5.0, f)
s.Unbind()
waitForBinding()
assert.Equal(t, 5.0, s.Value)
}
func TestSlider_HorizontalLayout(t *testing.T) {
app := test.NewApp()
defer test.NewApp()
app.Settings().SetTheme(theme.LightTheme())
slider := NewSlider(0, 1)
slider.Resize(fyne.NewSize(100, 10))
render := test.WidgetRenderer(slider).(*sliderRenderer)
diameter := slider.buttonDiameter()
wSize := render.slider.Size()
tSize := render.track.Size()
aSize := render.active.Size()
assert.Greater(t, wSize.Width, wSize.Height)
assert.Equal(t, wSize.Width-diameter-theme.Padding()*2, tSize.Width)
assert.Equal(t, theme.Padding(), tSize.Height)
assert.Greater(t, wSize.Width, aSize.Width)
assert.Equal(t, theme.Padding(), aSize.Height)
w := test.NewWindow(slider)
defer w.Close()
w.Resize(fyne.NewSize(220, 50))
test.AssertRendersToMarkup(t, "slider/horizontal.xml", w.Canvas())
}
func TestSlider_OutOfRange(t *testing.T) {
slider := NewSlider(2, 5)
slider.Resize(fyne.NewSize(100, 10))
assert.Equal(t, float64(2), slider.Value)
}
func TestSlider_VerticalLayout(t *testing.T) {
app := test.NewApp()
defer test.NewApp()
app.Settings().SetTheme(theme.LightTheme())
slider := NewSlider(0, 1)
slider.Orientation = Vertical
slider.Resize(fyne.NewSize(10, 100))
render := test.WidgetRenderer(slider).(*sliderRenderer)
diameter := slider.buttonDiameter()
wSize := render.slider.Size()
tSize := render.track.Size()
aSize := render.active.Size()
assert.Greater(t, wSize.Height, wSize.Width)
assert.Equal(t, wSize.Height-diameter-theme.Padding()*2, tSize.Height)
assert.Equal(t, theme.Padding(), tSize.Width)
assert.Greater(t, wSize.Height, aSize.Height)
assert.Equal(t, theme.Padding(), aSize.Width)
w := test.NewWindow(slider)
defer w.Close()
w.Resize(fyne.NewSize(50, 220))
test.AssertRendersToMarkup(t, "slider/vertical.xml", w.Canvas())
}
func TestSlider_OnChanged(t *testing.T) {
slider := NewSlider(0, 2)
slider.Resize(slider.MinSize())
assert.Empty(t, slider.OnChanged)
changes := 0
slider.OnChanged = func(_ float64) {
changes++
}
assert.Equal(t, 0, changes)
slider.SetValue(0.5)
assert.Equal(t, 0, changes)
drag := &fyne.DragEvent{}
drag.PointEvent.Position = fyne.NewPos(25, 2)
slider.Dragged(drag)
assert.Equal(t, 1, changes)
drag.PointEvent.Position = fyne.NewPos(25, 2)
slider.Dragged(drag)
assert.Equal(t, 1, changes)
drag.PointEvent.Position = fyne.NewPos(50, 2)
slider.Dragged(drag)
assert.Equal(t, 2, changes)
}
func TestSlider_SetValue(t *testing.T) {
slider := NewSlider(0, 2)
assert.Equal(t, 0.0, slider.Value)
slider.SetValue(1.0)
assert.Equal(t, 1.0, slider.Value)
slider.SetValue(2.0)
assert.Equal(t, 2.0, slider.Value)
}