go-chart/yaxis_test.go

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package chart
import (
"testing"
"github.com/blendlabs/go-assert"
)
func TestYAxisGetTicks(t *testing.T) {
assert := assert.New(t)
r, err := PNG(1024, 1024)
assert.Nil(err)
f, err := GetDefaultFont()
assert.Nil(err)
ya := YAxis{}
yr := &ContinuousRange{Min: 10, Max: 100, Domain: 1024}
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styleDefaults := Style{
Font: f,
FontSize: 10.0,
}
vf := FloatValueFormatter
ticks := ya.GetTicks(r, yr, styleDefaults, vf)
assert.Len(ticks, 35)
}
func TestYAxisGetTicksWithUserDefaults(t *testing.T) {
assert := assert.New(t)
r, err := PNG(1024, 1024)
assert.Nil(err)
f, err := GetDefaultFont()
assert.Nil(err)
ya := YAxis{
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Ticks: []Tick{{Value: 1.0, Label: "1.0"}},
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}
yr := &ContinuousRange{Min: 10, Max: 100, Domain: 1024}
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styleDefaults := Style{
Font: f,
FontSize: 10.0,
}
vf := FloatValueFormatter
ticks := ya.GetTicks(r, yr, styleDefaults, vf)
assert.Len(ticks, 1)
}