IliaDenisov
85 lines
3.2 KiB
Go
85 lines
3.2 KiB
Go
package world
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import (
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"image"
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"image/color"
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"testing"
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"github.com/stretchr/testify/require"
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)
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type cacheTheme struct{}
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func (cacheTheme) ID() string { return "cache" }
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func (cacheTheme) Name() string { return "cache" }
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func (cacheTheme) BackgroundColor() color.Color { return color.RGBA{A: 255} }
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func (cacheTheme) BackgroundImage() image.Image { return nil }
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func (cacheTheme) BackgroundTileMode() BackgroundTileMode { return BackgroundTileNone }
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func (cacheTheme) BackgroundScaleMode() BackgroundScaleMode { return BackgroundScaleNone }
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func (cacheTheme) BackgroundAnchorMode() BackgroundAnchorMode { return BackgroundAnchorWorld }
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func (cacheTheme) PointStyle() Style { return Style{FillColor: color.RGBA{A: 255}, PointRadiusPx: 2} }
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func (cacheTheme) LineStyle() Style { return Style{StrokeColor: color.RGBA{A: 255}, StrokeWidthPx: 1} }
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func (cacheTheme) CircleStyle() Style {
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return Style{FillColor: color.RGBA{A: 255}, StrokeColor: color.RGBA{A: 255}, StrokeWidthPx: 1}
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}
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func (cacheTheme) PointClassOverride(PointClassID) (StyleOverride, bool) {
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return StyleOverride{}, false
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}
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func (cacheTheme) LineClassOverride(LineClassID) (StyleOverride, bool) { return StyleOverride{}, false }
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func (cacheTheme) CircleClassOverride(CircleClassID) (StyleOverride, bool) {
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return StyleOverride{}, false
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}
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type cacheTheme2 struct{ cacheTheme }
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func (cacheTheme2) ID() string { return "cache2" }
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func (cacheTheme2) Name() string { return "cache2" }
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func (cacheTheme2) CircleStyle() Style {
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return Style{FillColor: color.RGBA{B: 200, A: 255}, StrokeColor: color.RGBA{A: 255}, StrokeWidthPx: 3}
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}
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func (cacheTheme2) PointClassOverride(PointClassID) (StyleOverride, bool) {
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return StyleOverride{}, false
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}
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func (cacheTheme2) LineClassOverride(LineClassID) (StyleOverride, bool) {
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return StyleOverride{}, false
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}
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func (cacheTheme2) CircleClassOverride(CircleClassID) (StyleOverride, bool) {
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return StyleOverride{}, false
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}
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func TestDerivedStyleCache_ReusesDerivedStylesAcrossObjectsAndThemes(t *testing.T) {
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t.Parallel()
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w := NewWorld(10, 10)
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w.SetTheme(cacheTheme{})
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before := w.styles.Count()
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white := color.RGBA{R: 255, G: 255, B: 255, A: 255}
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ov := StyleOverride{StrokeColor: white}
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id1, err := w.AddCircle(5, 5, 2, CircleWithStyleOverride(ov))
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require.NoError(t, err)
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id2, err := w.AddCircle(6, 5, 2, CircleWithStyleOverride(ov))
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require.NoError(t, err)
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c1 := w.objects[id1].(Circle)
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c2 := w.objects[id2].(Circle)
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require.Equal(t, c1.StyleID, c2.StyleID, "same override must reuse derived style ID")
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afterAdd := w.styles.Count()
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require.Equal(t, before+1, afterAdd, "only one derived style should be added for identical overrides")
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// Change theme: derived cache is cleared and new base IDs are created; override must still be applied,
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// and both objects should again share one derived style for the new base.
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w.SetTheme(cacheTheme2{})
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c1b := w.objects[id1].(Circle)
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c2b := w.objects[id2].(Circle)
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require.Equal(t, c1b.StyleID, c2b.StyleID)
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afterTheme := w.styles.Count()
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// Theme change creates 3 new theme default styles + 1 new derived for the override.
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require.GreaterOrEqual(t, afterTheme, afterAdd+4)
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}
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