gatus/golang-github-wcharczuk-go-chart
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Adding upstream version 2.1.2.

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Signed-off-by: Daniel Baumann <daniel@debian.org>
This commit is contained in:
Daniel Baumann 2025-05-18 07:17:02 +02:00
parent c8c64afc61
commit 41a2f19f12
Signed by: daniel
GPG key ID: FBB4F0E80A80222F
220 changed files with 19814 additions and 0 deletions
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bar_chart_test.go Normal file
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package chart
import (
"bytes"
"math"
"testing"
"github.com/wcharczuk/go-chart/v2/testutil"
)
func TestBarChartRender(t *testing.T) {
// replaced new assertions helper
bc := BarChart{
Width: 1024,
Title: "Test Title",
Bars: []Value{
{Value: 1.0, Label: "One"},
{Value: 2.0, Label: "Two"},
{Value: 3.0, Label: "Three"},
{Value: 4.0, Label: "Four"},
{Value: 5.0, Label: "Five"},
},
}
buf := bytes.NewBuffer([]byte{})
err := bc.Render(PNG, buf)
testutil.AssertNil(t, err)
testutil.AssertNotZero(t, buf.Len())
}
func TestBarChartRenderZero(t *testing.T) {
// replaced new assertions helper
bc := BarChart{
Width: 1024,
Title: "Test Title",
Bars: []Value{
{Value: 0.0, Label: "One"},
{Value: 0.0, Label: "Two"},
},
}
buf := bytes.NewBuffer([]byte{})
err := bc.Render(PNG, buf)
testutil.AssertNotNil(t, err)
}
func TestBarChartProps(t *testing.T) {
// replaced new assertions helper
bc := BarChart{}
testutil.AssertEqual(t, DefaultDPI, bc.GetDPI())
bc.DPI = 100
testutil.AssertEqual(t, 100, bc.GetDPI())
testutil.AssertNil(t, bc.GetFont())
f, err := GetDefaultFont()
testutil.AssertNil(t, err)
bc.Font = f
testutil.AssertNotNil(t, bc.GetFont())
testutil.AssertEqual(t, DefaultChartWidth, bc.GetWidth())
bc.Width = DefaultChartWidth - 1
testutil.AssertEqual(t, DefaultChartWidth-1, bc.GetWidth())
testutil.AssertEqual(t, DefaultChartHeight, bc.GetHeight())
bc.Height = DefaultChartHeight - 1
testutil.AssertEqual(t, DefaultChartHeight-1, bc.GetHeight())
testutil.AssertEqual(t, DefaultBarSpacing, bc.GetBarSpacing())
bc.BarSpacing = 150
testutil.AssertEqual(t, 150, bc.GetBarSpacing())
testutil.AssertEqual(t, DefaultBarWidth, bc.GetBarWidth())
bc.BarWidth = 75
testutil.AssertEqual(t, 75, bc.GetBarWidth())
}
func TestBarChartRenderNoBars(t *testing.T) {
// replaced new assertions helper
bc := BarChart{}
err := bc.Render(PNG, bytes.NewBuffer([]byte{}))
testutil.AssertNotNil(t, err)
}
func TestBarChartGetRanges(t *testing.T) {
// replaced new assertions helper
bc := BarChart{}
yr := bc.getRanges()
testutil.AssertNotNil(t, yr)
testutil.AssertFalse(t, yr.IsZero())
testutil.AssertEqual(t, -math.MaxFloat64, yr.GetMax())
testutil.AssertEqual(t, math.MaxFloat64, yr.GetMin())
}
func TestBarChartGetRangesBarsMinMax(t *testing.T) {
// replaced new assertions helper
bc := BarChart{
Bars: []Value{
{Value: 1.0},
{Value: 10.0},
},
}
yr := bc.getRanges()
testutil.AssertNotNil(t, yr)
testutil.AssertFalse(t, yr.IsZero())
testutil.AssertEqual(t, 10, yr.GetMax())
testutil.AssertEqual(t, 1, yr.GetMin())
}
func TestBarChartGetRangesMinMax(t *testing.T) {
// replaced new assertions helper
bc := BarChart{
YAxis: YAxis{
Range: &ContinuousRange{
Min: 5.0,
Max: 15.0,
},
Ticks: []Tick{
{Value: 7.0, Label: "Foo"},
{Value: 11.0, Label: "Foo2"},
},
},
Bars: []Value{
{Value: 1.0},
{Value: 10.0},
},
}
yr := bc.getRanges()
testutil.AssertNotNil(t, yr)
testutil.AssertFalse(t, yr.IsZero())
testutil.AssertEqual(t, 15, yr.GetMax())
testutil.AssertEqual(t, 5, yr.GetMin())
}
func TestBarChartGetRangesTicksMinMax(t *testing.T) {
// replaced new assertions helper
bc := BarChart{
YAxis: YAxis{
Ticks: []Tick{
{Value: 7.0, Label: "Foo"},
{Value: 11.0, Label: "Foo2"},
},
},
Bars: []Value{
{Value: 1.0},
{Value: 10.0},
},
}
yr := bc.getRanges()
testutil.AssertNotNil(t, yr)
testutil.AssertFalse(t, yr.IsZero())
testutil.AssertEqual(t, 11, yr.GetMax())
testutil.AssertEqual(t, 7, yr.GetMin())
}
func TestBarChartHasAxes(t *testing.T) {
// replaced new assertions helper
bc := BarChart{}
testutil.AssertTrue(t, bc.hasAxes())
bc.YAxis = YAxis{
Style: Hidden(),
}
testutil.AssertFalse(t, bc.hasAxes())
}
func TestBarChartGetDefaultCanvasBox(t *testing.T) {
// replaced new assertions helper
bc := BarChart{}
b := bc.getDefaultCanvasBox()
testutil.AssertFalse(t, b.IsZero())
}
func TestBarChartSetRangeDomains(t *testing.T) {
// replaced new assertions helper
bc := BarChart{}
cb := bc.box()
yr := bc.getRanges()
yr2 := bc.setRangeDomains(cb, yr)
testutil.AssertNotZero(t, yr2.GetDomain())
}
func TestBarChartGetValueFormatters(t *testing.T) {
// replaced new assertions helper
bc := BarChart{}
vf := bc.getValueFormatters()
testutil.AssertNotNil(t, vf)
testutil.AssertEqual(t, "1234.00", vf(1234.0))
bc.YAxis.ValueFormatter = func(_ interface{}) string { return "test" }
testutil.AssertEqual(t, "test", bc.getValueFormatters()(1234))
}
func TestBarChartGetAxesTicks(t *testing.T) {
// replaced new assertions helper
bc := BarChart{
Bars: []Value{
{Value: 1.0},
{Value: 2.0},
{Value: 3.0},
},
}
r, err := PNG(128, 128)
testutil.AssertNil(t, err)
yr := bc.getRanges()
yf := bc.getValueFormatters()
bc.YAxis.Style.Hidden = true
ticks := bc.getAxesTicks(r, yr, yf)
testutil.AssertEmpty(t, ticks)
bc.YAxis.Style.Hidden = false
ticks = bc.getAxesTicks(r, yr, yf)
testutil.AssertLen(t, ticks, 2)
}
func TestBarChartCalculateEffectiveBarSpacing(t *testing.T) {
// replaced new assertions helper
bc := BarChart{
Width: 1024,
BarWidth: 10,
Bars: []Value{
{Value: 1.0, Label: "One"},
{Value: 2.0, Label: "Two"},
{Value: 3.0, Label: "Three"},
{Value: 4.0, Label: "Four"},
{Value: 5.0, Label: "Five"},
},
}
spacing := bc.calculateEffectiveBarSpacing(bc.box())
testutil.AssertNotZero(t, spacing)
bc.BarWidth = 250
spacing = bc.calculateEffectiveBarSpacing(bc.box())
testutil.AssertZero(t, spacing)
}
func TestBarChartCalculateEffectiveBarWidth(t *testing.T) {
// replaced new assertions helper
bc := BarChart{
Width: 1024,
BarWidth: 10,
Bars: []Value{
{Value: 1.0, Label: "One"},
{Value: 2.0, Label: "Two"},
{Value: 3.0, Label: "Three"},
{Value: 4.0, Label: "Four"},
{Value: 5.0, Label: "Five"},
},
}
cb := bc.box()
spacing := bc.calculateEffectiveBarSpacing(bc.box())
testutil.AssertNotZero(t, spacing)
barWidth := bc.calculateEffectiveBarWidth(bc.box(), spacing)
testutil.AssertEqual(t, 10, barWidth)
bc.BarWidth = 250
spacing = bc.calculateEffectiveBarSpacing(bc.box())
testutil.AssertZero(t, spacing)
barWidth = bc.calculateEffectiveBarWidth(bc.box(), spacing)
testutil.AssertEqual(t, 199, barWidth)
testutil.AssertEqual(t, cb.Width()+1, bc.calculateTotalBarWidth(barWidth, spacing))
bw, bs, total := bc.calculateScaledTotalWidth(cb)
testutil.AssertEqual(t, spacing, bs)
testutil.AssertEqual(t, barWidth, bw)
testutil.AssertEqual(t, cb.Width()+1, total)
}
func TestBarChatGetTitleFontSize(t *testing.T) {
// replaced new assertions helper
size := BarChart{Width: 2049, Height: 2049}.getTitleFontSize()
testutil.AssertEqual(t, 48, size)
size = BarChart{Width: 1025, Height: 1025}.getTitleFontSize()
testutil.AssertEqual(t, 24, size)
size = BarChart{Width: 513, Height: 513}.getTitleFontSize()
testutil.AssertEqual(t, 18, size)
size = BarChart{Width: 257, Height: 257}.getTitleFontSize()
testutil.AssertEqual(t, 12, size)
size = BarChart{Width: 128, Height: 128}.getTitleFontSize()
testutil.AssertEqual(t, 10, size)
}