IliaDenisov
96 lines
2.2 KiB
Go
96 lines
2.2 KiB
Go
package world
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import (
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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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func TestStyleOverrideApply_OverridesOnlyProvidedFields(t *testing.T) {
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t.Parallel()
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base := Style{
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FillColor: color.RGBA{R: 1, A: 255},
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StrokeColor: color.RGBA{G: 2, A: 255},
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StrokeWidthPx: 1.0,
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StrokeDashes: []float64{3, 1},
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StrokeDashOffset: 0.5,
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PointRadiusPx: 2.0,
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}
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newWidth := 5.0
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newRadius := 7.0
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override := StyleOverride{
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StrokeWidthPx: &newWidth,
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PointRadiusPx: &newRadius,
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// Everything else is unset (nil) => must remain from base.
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}
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out := override.Apply(base)
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require.Equal(t, base.FillColor, out.FillColor)
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require.Equal(t, base.StrokeColor, out.StrokeColor)
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require.Equal(t, 5.0, out.StrokeWidthPx)
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require.Equal(t, base.StrokeDashes, out.StrokeDashes)
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require.Equal(t, base.StrokeDashOffset, out.StrokeDashOffset)
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require.Equal(t, 7.0, out.PointRadiusPx)
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}
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func TestStyleTable_DefaultsExistAndAreStable(t *testing.T) {
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t.Parallel()
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tbl := NewStyleTable()
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_, ok := tbl.Get(StyleIDDefaultLine)
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require.True(t, ok)
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_, ok = tbl.Get(StyleIDDefaultCircle)
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require.True(t, ok)
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_, ok = tbl.Get(StyleIDDefaultPoint)
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require.True(t, ok)
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}
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func TestStyleTable_AddDerived_StoresResolvedStyleAndCopiesSlices(t *testing.T) {
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t.Parallel()
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tbl := NewStyleTable()
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dashes := []float64{10, 5}
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override := StyleOverride{
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StrokeDashes: &dashes,
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}
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id := tbl.AddDerived(StyleIDDefaultLine, override)
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got, ok := tbl.Get(id)
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require.True(t, ok)
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require.Equal(t, []float64{10, 5}, got.StrokeDashes)
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// Mutate caller slice; table must not change.
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dashes[0] = 999
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got2, ok := tbl.Get(id)
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require.True(t, ok)
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require.Equal(t, []float64{10, 5}, got2.StrokeDashes)
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// Mutate returned slice; table must not change.
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got2.StrokeDashes[0] = 123
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got3, ok := tbl.Get(id)
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require.True(t, ok)
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require.Equal(t, []float64{10, 5}, got3.StrokeDashes)
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}
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func TestDefaultPriorities_AreOrderedAndStepped(t *testing.T) {
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t.Parallel()
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require.Equal(t, 100, DefaultPriorityLine)
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require.Equal(t, 200, DefaultPriorityCircle)
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require.Equal(t, 300, DefaultPriorityPoint)
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require.Less(t, DefaultPriorityLine, DefaultPriorityCircle)
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require.Less(t, DefaultPriorityCircle, DefaultPriorityPoint)
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}
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