go-chart/continuous_series_test.go

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package chart
import (
"fmt"
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"testing"
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assert "github.com/blend/go-sdk/assert"
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"git.gutmet.org/go-chart.git/seq"
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)
func TestContinuousSeries(t *testing.T) {
assert := assert.New(t)
cs := ContinuousSeries{
Name: "Test Series",
XValues: seq.Range(1.0, 10.0),
YValues: seq.Range(1.0, 10.0),
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}
assert.Equal("Test Series", cs.GetName())
assert.Equal(10, cs.Len())
x0, y0 := cs.GetValues(0)
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assert.Equal(1.0, x0)
assert.Equal(1.0, y0)
xn, yn := cs.GetValues(9)
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assert.Equal(10.0, xn)
assert.Equal(10.0, yn)
xn, yn = cs.GetLastValues()
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assert.Equal(10.0, xn)
assert.Equal(10.0, yn)
}
func TestContinuousSeriesValueFormatter(t *testing.T) {
assert := assert.New(t)
cs := ContinuousSeries{
XValueFormatter: func(v interface{}) string {
return fmt.Sprintf("%f foo", v)
},
YValueFormatter: func(v interface{}) string {
return fmt.Sprintf("%f bar", v)
},
}
xf, yf := cs.GetValueFormatters()
assert.Equal("0.100000 foo", xf(0.1))
assert.Equal("0.100000 bar", yf(0.1))
}
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func TestContinuousSeriesValidate(t *testing.T) {
assert := assert.New(t)
cs := ContinuousSeries{
Name: "Test Series",
XValues: seq.Range(1.0, 10.0),
YValues: seq.Range(1.0, 10.0),
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}
assert.Nil(cs.Validate())
cs = ContinuousSeries{
Name: "Test Series",
XValues: seq.Range(1.0, 10.0),
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}
assert.NotNil(cs.Validate())
cs = ContinuousSeries{
Name: "Test Series",
YValues: seq.Range(1.0, 10.0),
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}
assert.NotNil(cs.Validate())
}