67 lines
1.4 KiB
Go
67 lines
1.4 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 TestXAxisGetTicks(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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xa := XAxis{}
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xr := &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 := xa.GetTicks(r, xr, styleDefaults, vf)
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assert.Len(ticks, 16)
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}
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func TestXAxisGetTicksWithUserDefaults(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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xa := XAxis{
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Ticks: []Tick{{Value: 1.0, Label: "1.0"}},
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}
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xr := &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 := xa.GetTicks(r, xr, styleDefaults, vf)
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assert.Len(ticks, 1)
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}
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func TestXAxisMeasure(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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xa := XAxis{}
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xab := xa.Measure(r, NewBox(0, 0, 100, 100), &ContinuousRange{Min: 1.0, Max: 3.0, Domain: 100}, style, ticks)
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assert.Equal(122, xab.Width())
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assert.Equal(21, xab.Height())
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}
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