Adding upstream version 2.1.2.
Signed-off-by: Daniel Baumann <daniel@debian.org>
This commit is contained in:
parent
c8c64afc61
commit
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GPG key ID:
FBB4F0E80A80222F
220 changed files with 19814 additions and 0 deletions
594
chart_test.go
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594
chart_test.go
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@ -0,0 +1,594 @@
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package chart
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import (
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"bytes"
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"image"
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"image/png"
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"math"
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"testing"
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"time"
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"github.com/wcharczuk/go-chart/v2/drawing"
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"github.com/wcharczuk/go-chart/v2/testutil"
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)
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func TestChartGetDPI(t *testing.T) {
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// replaced new assertions helper
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unset := Chart{}
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testutil.AssertEqual(t, DefaultDPI, unset.GetDPI())
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testutil.AssertEqual(t, 192, unset.GetDPI(192))
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set := Chart{DPI: 128}
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testutil.AssertEqual(t, 128, set.GetDPI())
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testutil.AssertEqual(t, 128, set.GetDPI(192))
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}
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func TestChartGetFont(t *testing.T) {
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// replaced new assertions helper
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f, err := GetDefaultFont()
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testutil.AssertNil(t, err)
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unset := Chart{}
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testutil.AssertNil(t, unset.GetFont())
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set := Chart{Font: f}
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testutil.AssertNotNil(t, set.GetFont())
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}
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func TestChartGetWidth(t *testing.T) {
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// replaced new assertions helper
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unset := Chart{}
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testutil.AssertEqual(t, DefaultChartWidth, unset.GetWidth())
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set := Chart{Width: DefaultChartWidth + 10}
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testutil.AssertEqual(t, DefaultChartWidth+10, set.GetWidth())
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}
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func TestChartGetHeight(t *testing.T) {
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// replaced new assertions helper
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unset := Chart{}
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testutil.AssertEqual(t, DefaultChartHeight, unset.GetHeight())
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set := Chart{Height: DefaultChartHeight + 10}
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testutil.AssertEqual(t, DefaultChartHeight+10, set.GetHeight())
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}
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func TestChartGetRanges(t *testing.T) {
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// replaced new assertions helper
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c := Chart{
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Series: []Series{
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ContinuousSeries{
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XValues: []float64{-2.0, -1.0, 0, 1.0, 2.0},
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YValues: []float64{1.0, 2.0, 3.0, 4.0, 4.5},
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},
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ContinuousSeries{
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XValues: []float64{1.0, 2.0, 3.0, 4.0, 5.0},
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YValues: []float64{-2.1, -1.0, 0, 1.0, 2.0},
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},
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ContinuousSeries{
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YAxis: YAxisSecondary,
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XValues: []float64{1.0, 2.0, 3.0, 4.0, 5.0},
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YValues: []float64{10.0, 11.0, 12.0, 13.0, 14.0},
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},
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},
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}
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xrange, yrange, yrangeAlt := c.getRanges()
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testutil.AssertEqual(t, -2.0, xrange.GetMin())
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testutil.AssertEqual(t, 5.0, xrange.GetMax())
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testutil.AssertEqual(t, -2.1, yrange.GetMin())
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testutil.AssertEqual(t, 4.5, yrange.GetMax())
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testutil.AssertEqual(t, 10.0, yrangeAlt.GetMin())
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testutil.AssertEqual(t, 14.0, yrangeAlt.GetMax())
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cSet := Chart{
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XAxis: XAxis{
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Range: &ContinuousRange{Min: 9.8, Max: 19.8},
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},
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YAxis: YAxis{
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Range: &ContinuousRange{Min: 9.9, Max: 19.9},
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},
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YAxisSecondary: YAxis{
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Range: &ContinuousRange{Min: 9.7, Max: 19.7},
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},
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Series: []Series{
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ContinuousSeries{
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XValues: []float64{-2.0, -1.0, 0, 1.0, 2.0},
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YValues: []float64{1.0, 2.0, 3.0, 4.0, 4.5},
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},
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ContinuousSeries{
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XValues: []float64{1.0, 2.0, 3.0, 4.0, 5.0},
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YValues: []float64{-2.1, -1.0, 0, 1.0, 2.0},
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},
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ContinuousSeries{
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YAxis: YAxisSecondary,
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XValues: []float64{1.0, 2.0, 3.0, 4.0, 5.0},
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YValues: []float64{10.0, 11.0, 12.0, 13.0, 14.0},
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},
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},
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}
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xr2, yr2, yra2 := cSet.getRanges()
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testutil.AssertEqual(t, 9.8, xr2.GetMin())
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testutil.AssertEqual(t, 19.8, xr2.GetMax())
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testutil.AssertEqual(t, 9.9, yr2.GetMin())
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testutil.AssertEqual(t, 19.9, yr2.GetMax())
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testutil.AssertEqual(t, 9.7, yra2.GetMin())
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testutil.AssertEqual(t, 19.7, yra2.GetMax())
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}
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func TestChartGetRangesUseTicks(t *testing.T) {
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// replaced new assertions helper
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// this test asserts that ticks should supercede manual ranges when generating the overall ranges.
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c := Chart{
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YAxis: YAxis{
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Ticks: []Tick{
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{0.0, "Zero"},
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{1.0, "1.0"},
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{2.0, "2.0"},
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{3.0, "3.0"},
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{4.0, "4.0"},
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{5.0, "Five"},
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},
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Range: &ContinuousRange{
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Min: -5.0,
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Max: 5.0,
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},
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},
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Series: []Series{
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ContinuousSeries{
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XValues: []float64{-2.0, -1.0, 0, 1.0, 2.0},
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YValues: []float64{1.0, 2.0, 3.0, 4.0, 4.5},
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},
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},
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}
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xr, yr, yar := c.getRanges()
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testutil.AssertEqual(t, -2.0, xr.GetMin())
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testutil.AssertEqual(t, 2.0, xr.GetMax())
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testutil.AssertEqual(t, 0.0, yr.GetMin())
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testutil.AssertEqual(t, 5.0, yr.GetMax())
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testutil.AssertTrue(t, yar.IsZero(), yar.String())
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}
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func TestChartGetRangesUseUserRanges(t *testing.T) {
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// replaced new assertions helper
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c := Chart{
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YAxis: YAxis{
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Range: &ContinuousRange{
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Min: -5.0,
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Max: 5.0,
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},
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},
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Series: []Series{
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ContinuousSeries{
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XValues: []float64{-2.0, -1.0, 0, 1.0, 2.0},
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YValues: []float64{1.0, 2.0, 3.0, 4.0, 4.5},
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},
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},
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}
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xr, yr, yar := c.getRanges()
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testutil.AssertEqual(t, -2.0, xr.GetMin())
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testutil.AssertEqual(t, 2.0, xr.GetMax())
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testutil.AssertEqual(t, -5.0, yr.GetMin())
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testutil.AssertEqual(t, 5.0, yr.GetMax())
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testutil.AssertTrue(t, yar.IsZero(), yar.String())
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}
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func TestChartGetBackgroundStyle(t *testing.T) {
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// replaced new assertions helper
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c := Chart{
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Background: Style{
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FillColor: drawing.ColorBlack,
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},
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}
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bs := c.getBackgroundStyle()
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testutil.AssertEqual(t, bs.FillColor.String(), drawing.ColorBlack.String())
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}
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func TestChartGetCanvasStyle(t *testing.T) {
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// replaced new assertions helper
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c := Chart{
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Canvas: Style{
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FillColor: drawing.ColorBlack,
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},
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}
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bs := c.getCanvasStyle()
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testutil.AssertEqual(t, bs.FillColor.String(), drawing.ColorBlack.String())
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}
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func TestChartGetDefaultCanvasBox(t *testing.T) {
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// replaced new assertions helper
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c := Chart{}
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canvasBoxDefault := c.getDefaultCanvasBox()
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testutil.AssertFalse(t, canvasBoxDefault.IsZero())
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testutil.AssertEqual(t, DefaultBackgroundPadding.Top, canvasBoxDefault.Top)
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testutil.AssertEqual(t, DefaultBackgroundPadding.Left, canvasBoxDefault.Left)
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testutil.AssertEqual(t, c.GetWidth()-DefaultBackgroundPadding.Right, canvasBoxDefault.Right)
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testutil.AssertEqual(t, c.GetHeight()-DefaultBackgroundPadding.Bottom, canvasBoxDefault.Bottom)
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custom := Chart{
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Background: Style{
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Padding: Box{
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Top: DefaultBackgroundPadding.Top + 1,
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Left: DefaultBackgroundPadding.Left + 1,
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Right: DefaultBackgroundPadding.Right + 1,
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Bottom: DefaultBackgroundPadding.Bottom + 1,
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},
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},
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}
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canvasBoxCustom := custom.getDefaultCanvasBox()
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testutil.AssertFalse(t, canvasBoxCustom.IsZero())
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testutil.AssertEqual(t, DefaultBackgroundPadding.Top+1, canvasBoxCustom.Top)
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testutil.AssertEqual(t, DefaultBackgroundPadding.Left+1, canvasBoxCustom.Left)
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testutil.AssertEqual(t, c.GetWidth()-(DefaultBackgroundPadding.Right+1), canvasBoxCustom.Right)
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testutil.AssertEqual(t, c.GetHeight()-(DefaultBackgroundPadding.Bottom+1), canvasBoxCustom.Bottom)
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}
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func TestChartGetValueFormatters(t *testing.T) {
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// replaced new assertions helper
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c := Chart{
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Series: []Series{
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ContinuousSeries{
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XValues: []float64{-2.0, -1.0, 0, 1.0, 2.0},
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YValues: []float64{1.0, 2.0, 3.0, 4.0, 4.5},
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},
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ContinuousSeries{
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XValues: []float64{1.0, 2.0, 3.0, 4.0, 5.0},
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YValues: []float64{-2.1, -1.0, 0, 1.0, 2.0},
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},
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ContinuousSeries{
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YAxis: YAxisSecondary,
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XValues: []float64{1.0, 2.0, 3.0, 4.0, 5.0},
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YValues: []float64{10.0, 11.0, 12.0, 13.0, 14.0},
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},
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},
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}
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dxf, dyf, dyaf := c.getValueFormatters()
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testutil.AssertNotNil(t, dxf)
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testutil.AssertNotNil(t, dyf)
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testutil.AssertNotNil(t, dyaf)
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}
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func TestChartHasAxes(t *testing.T) {
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// replaced new assertions helper
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testutil.AssertTrue(t, Chart{}.hasAxes())
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testutil.AssertFalse(t, Chart{XAxis: XAxis{Style: Hidden()}, YAxis: YAxis{Style: Hidden()}, YAxisSecondary: YAxis{Style: Hidden()}}.hasAxes())
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x := Chart{
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XAxis: XAxis{
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Style: Hidden(),
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},
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YAxis: YAxis{
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Style: Shown(),
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},
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YAxisSecondary: YAxis{
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Style: Hidden(),
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},
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}
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testutil.AssertTrue(t, x.hasAxes())
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y := Chart{
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XAxis: XAxis{
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Style: Shown(),
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},
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YAxis: YAxis{
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Style: Hidden(),
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},
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YAxisSecondary: YAxis{
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Style: Hidden(),
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},
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}
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testutil.AssertTrue(t, y.hasAxes())
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ya := Chart{
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XAxis: XAxis{
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Style: Hidden(),
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},
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YAxis: YAxis{
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Style: Hidden(),
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},
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YAxisSecondary: YAxis{
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Style: Shown(),
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},
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}
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testutil.AssertTrue(t, ya.hasAxes())
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}
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func TestChartGetAxesTicks(t *testing.T) {
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// replaced new assertions helper
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r, err := PNG(1024, 1024)
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testutil.AssertNil(t, err)
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c := Chart{
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XAxis: XAxis{
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Range: &ContinuousRange{Min: 9.8, Max: 19.8},
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},
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YAxis: YAxis{
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Range: &ContinuousRange{Min: 9.9, Max: 19.9},
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},
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YAxisSecondary: YAxis{
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Range: &ContinuousRange{Min: 9.7, Max: 19.7},
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},
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}
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xr, yr, yar := c.getRanges()
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xt, yt, yat := c.getAxesTicks(r, xr, yr, yar, FloatValueFormatter, FloatValueFormatter, FloatValueFormatter)
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testutil.AssertNotEmpty(t, xt)
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testutil.AssertNotEmpty(t, yt)
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testutil.AssertNotEmpty(t, yat)
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}
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func TestChartSingleSeries(t *testing.T) {
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// replaced new assertions helper
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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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YAxis: YAxis{
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Range: &ContinuousRange{
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Min: 0.0,
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Max: 4.0,
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},
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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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testutil.AssertNotEmpty(t, buffer.Bytes())
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}
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func TestChartRegressionBadRanges(t *testing.T) {
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// replaced new assertions helper
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c := Chart{
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Series: []Series{
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ContinuousSeries{
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XValues: []float64{math.Inf(1), math.Inf(1), math.Inf(1), math.Inf(1), math.Inf(1)},
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YValues: []float64{1.0, 2.0, 3.0, 4.0, 4.5},
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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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testutil.AssertTrue(t, true, "Render needs to finish.")
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}
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func TestChartRegressionBadRangesByUser(t *testing.T) {
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// replaced new assertions helper
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c := Chart{
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YAxis: YAxis{
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Range: &ContinuousRange{
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Min: math.Inf(-1),
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Max: math.Inf(1), // this could really happen? eh.
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},
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},
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Series: []Series{
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ContinuousSeries{
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XValues: LinearRange(1.0, 10.0),
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YValues: LinearRange(1.0, 10.0),
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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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testutil.AssertTrue(t, true, "Render needs to finish.")
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}
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func TestChartValidatesSeries(t *testing.T) {
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// replaced new assertions helper
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c := Chart{
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Series: []Series{
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ContinuousSeries{
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XValues: LinearRange(1.0, 10.0),
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YValues: LinearRange(1.0, 10.0),
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},
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},
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}
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testutil.AssertNil(t, c.validateSeries())
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c = Chart{
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Series: []Series{
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ContinuousSeries{
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XValues: LinearRange(1.0, 10.0),
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},
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},
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}
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testutil.AssertNotNil(t, c.validateSeries())
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}
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func TestChartCheckRanges(t *testing.T) {
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// replaced new assertions helper
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c := Chart{
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Series: []Series{
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ContinuousSeries{
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XValues: []float64{1.0, 2.0},
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YValues: []float64{3.10, 3.14},
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},
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},
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}
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xr, yr, yra := c.getRanges()
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testutil.AssertNil(t, c.checkRanges(xr, yr, yra))
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}
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func TestChartCheckRangesWithRanges(t *testing.T) {
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// replaced new assertions helper
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|
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c := Chart{
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XAxis: XAxis{
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Range: &ContinuousRange{
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Min: 0,
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Max: 10,
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},
|
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},
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YAxis: YAxis{
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Range: &ContinuousRange{
|
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Min: 0,
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Max: 5,
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||||
},
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||||
},
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Series: []Series{
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ContinuousSeries{
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XValues: []float64{1.0, 2.0},
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||||
YValues: []float64{3.14, 3.14},
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||||
},
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},
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}
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xr, yr, yra := c.getRanges()
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testutil.AssertNil(t, c.checkRanges(xr, yr, yra))
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}
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func at(i image.Image, x, y int) drawing.Color {
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return drawing.ColorFromAlphaMixedRGBA(i.At(x, y).RGBA())
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}
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func TestChartE2ELine(t *testing.T) {
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// replaced new assertions helper
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c := Chart{
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Height: 50,
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Width: 50,
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TitleStyle: Hidden(),
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XAxis: HideXAxis(),
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YAxis: HideYAxis(),
|
||||
YAxisSecondary: HideYAxis(),
|
||||
Canvas: Style{
|
||||
Padding: BoxZero,
|
||||
},
|
||||
Background: Style{
|
||||
Padding: BoxZero,
|
||||
},
|
||||
Series: []Series{
|
||||
ContinuousSeries{
|
||||
XValues: LinearRangeWithStep(0, 4, 1),
|
||||
YValues: LinearRangeWithStep(0, 4, 1),
|
||||
},
|
||||
},
|
||||
}
|
||||
|
||||
var buffer = &bytes.Buffer{}
|
||||
err := c.Render(PNG, buffer)
|
||||
testutil.AssertNil(t, err)
|
||||
|
||||
// do color tests ...
|
||||
|
||||
i, err := png.Decode(buffer)
|
||||
testutil.AssertNil(t, err)
|
||||
|
||||
// test the bottom and top of the line
|
||||
testutil.AssertEqual(t, drawing.ColorWhite, at(i, 0, 0))
|
||||
testutil.AssertEqual(t, drawing.ColorWhite, at(i, 49, 49))
|
||||
|
||||
// test a line mid point
|
||||
defaultSeriesColor := GetDefaultColor(0)
|
||||
testutil.AssertEqual(t, defaultSeriesColor, at(i, 0, 49))
|
||||
testutil.AssertEqual(t, defaultSeriesColor, at(i, 49, 0))
|
||||
testutil.AssertEqual(t, drawing.ColorFromHex("bddbf6"), at(i, 24, 24))
|
||||
}
|
||||
|
||||
func TestChartE2ELineWithFill(t *testing.T) {
|
||||
// replaced new assertions helper
|
||||
|
||||
logBuffer := new(bytes.Buffer)
|
||||
|
||||
c := Chart{
|
||||
Height: 50,
|
||||
Width: 50,
|
||||
Canvas: Style{
|
||||
Padding: BoxZero,
|
||||
},
|
||||
Background: Style{
|
||||
Padding: BoxZero,
|
||||
},
|
||||
TitleStyle: Hidden(),
|
||||
XAxis: HideXAxis(),
|
||||
YAxis: HideYAxis(),
|
||||
YAxisSecondary: HideYAxis(),
|
||||
Series: []Series{
|
||||
ContinuousSeries{
|
||||
Style: Style{
|
||||
StrokeColor: drawing.ColorBlue,
|
||||
FillColor: drawing.ColorRed,
|
||||
},
|
||||
XValues: LinearRangeWithStep(0, 4, 1),
|
||||
YValues: LinearRangeWithStep(0, 4, 1),
|
||||
},
|
||||
},
|
||||
Log: NewLogger(OptLoggerStdout(logBuffer), OptLoggerStderr(logBuffer)),
|
||||
}
|
||||
|
||||
testutil.AssertEqual(t, 5, len(c.Series[0].(ContinuousSeries).XValues))
|
||||
testutil.AssertEqual(t, 5, len(c.Series[0].(ContinuousSeries).YValues))
|
||||
|
||||
var buffer = &bytes.Buffer{}
|
||||
err := c.Render(PNG, buffer)
|
||||
testutil.AssertNil(t, err)
|
||||
|
||||
i, err := png.Decode(buffer)
|
||||
testutil.AssertNil(t, err)
|
||||
|
||||
// test the bottom and top of the line
|
||||
testutil.AssertEqual(t, drawing.ColorWhite, at(i, 0, 0))
|
||||
testutil.AssertEqual(t, drawing.ColorRed, at(i, 49, 49))
|
||||
|
||||
// test a line mid point
|
||||
defaultSeriesColor := drawing.ColorBlue
|
||||
testutil.AssertEqual(t, defaultSeriesColor, at(i, 0, 49))
|
||||
testutil.AssertEqual(t, defaultSeriesColor, at(i, 49, 0))
|
||||
}
|
||||
|
||||
func Test_Chart_cve(t *testing.T) {
|
||||
poc := StackedBarChart{
|
||||
Title: "poc",
|
||||
Bars: []StackedBar{
|
||||
{
|
||||
Name: "11111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111",
|
||||
Values: []Value{
|
||||
{Value: 1, Label: "infinite"},
|
||||
{Value: 1, Label: "loop"},
|
||||
},
|
||||
},
|
||||
},
|
||||
}
|
||||
|
||||
var imgContent bytes.Buffer
|
||||
err := poc.Render(PNG, &imgContent)
|
||||
testutil.AssertNotNil(t, err)
|
||||
}
|
||||
Loading…
Add table
Add a link
Reference in a new issue