35 lines
589 B
Go
35 lines
589 B
Go
package chart
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import (
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"bytes"
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"testing"
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"time"
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"github.com/blendlabs/go-assert"
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)
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func TestChartSingleSeries(t *testing.T) {
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assert := assert.New(t)
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now := time.Now()
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c := Chart{
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Title: "Hello!",
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Width: 1024,
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Height: 400,
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YRange: Range{
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Min: 0.0,
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Max: 4.0,
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},
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Series: []Series{
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TimeSeries{
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Name: "goog",
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XValues: []time.Time{now.AddDate(0, 0, -3), now.AddDate(0, 0, -2), now.AddDate(0, 0, -1)},
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YValues: []float64{1.0, 2.0, 3.0},
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},
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},
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}
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buffer := bytes.NewBuffer([]byte{})
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c.Render(PNG, buffer)
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assert.NotEmpty(buffer.Bytes())
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}
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