85 lines
1.9 KiB
Go
85 lines
1.9 KiB
Go
package chart
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import (
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"testing"
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"github.com/blendlabs/go-assert"
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)
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func TestYAxisGetTicks(t *testing.T) {
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assert := assert.New(t)
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r, err := PNG(1024, 1024)
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assert.Nil(err)
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f, err := GetDefaultFont()
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assert.Nil(err)
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ya := YAxis{}
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yr := &ContinuousRange{Min: 10, Max: 100, Domain: 1024}
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styleDefaults := Style{
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Font: f,
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FontSize: 10.0,
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}
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vf := FloatValueFormatter
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ticks := ya.GetTicks(r, yr, styleDefaults, vf)
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assert.Len(ticks, 36)
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}
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func TestYAxisGetTicksWithUserDefaults(t *testing.T) {
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assert := assert.New(t)
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r, err := PNG(1024, 1024)
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assert.Nil(err)
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f, err := GetDefaultFont()
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assert.Nil(err)
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ya := YAxis{
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Ticks: []Tick{{Value: 1.0, Label: "1.0"}},
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}
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yr := &ContinuousRange{Min: 10, Max: 100, Domain: 1024}
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styleDefaults := Style{
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Font: f,
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FontSize: 10.0,
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}
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vf := FloatValueFormatter
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ticks := ya.GetTicks(r, yr, styleDefaults, vf)
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assert.Len(ticks, 1)
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}
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func TestYAxisMeasure(t *testing.T) {
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assert := assert.New(t)
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f, err := GetDefaultFont()
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assert.Nil(err)
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style := Style{
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Font: f,
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FontSize: 10.0,
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}
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r, err := PNG(100, 100)
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assert.Nil(err)
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ticks := []Tick{{Value: 1.0, Label: "1.0"}, {Value: 2.0, Label: "2.0"}, {Value: 3.0, Label: "3.0"}}
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ya := YAxis{}
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yab := ya.Measure(r, Box{0, 0, 100, 100}, &ContinuousRange{Min: 1.0, Max: 3.0, Domain: 100}, style, ticks)
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assert.Equal(32, yab.Width())
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assert.Equal(110, yab.Height())
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}
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func TestYAxisSecondaryMeasure(t *testing.T) {
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assert := assert.New(t)
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f, err := GetDefaultFont()
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assert.Nil(err)
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style := Style{
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Font: f,
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FontSize: 10.0,
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}
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r, err := PNG(100, 100)
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assert.Nil(err)
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ticks := []Tick{{Value: 1.0, Label: "1.0"}, {Value: 2.0, Label: "2.0"}, {Value: 3.0, Label: "3.0"}}
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ya := YAxis{AxisType: YAxisSecondary}
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yab := ya.Measure(r, Box{0, 0, 100, 100}, &ContinuousRange{Min: 1.0, Max: 3.0, Domain: 100}, style, ticks)
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assert.Equal(32, yab.Width())
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assert.Equal(110, yab.Height())
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}
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