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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115
annotation_series_test.go Normal file
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@ -0,0 +1,115 @@
package chart
import (
"image/color"
"testing"
"github.com/wcharczuk/go-chart/v2/drawing"
"github.com/wcharczuk/go-chart/v2/testutil"
)
func TestAnnotationSeriesMeasure(t *testing.T) {
// replaced new assertions helper
as := AnnotationSeries{
Annotations: []Value2{
{XValue: 1.0, YValue: 1.0, Label: "1.0"},
{XValue: 2.0, YValue: 2.0, Label: "2.0"},
{XValue: 3.0, YValue: 3.0, Label: "3.0"},
{XValue: 4.0, YValue: 4.0, Label: "4.0"},
},
}
r, err := PNG(110, 110)
testutil.AssertNil(t, err)
f, err := GetDefaultFont()
testutil.AssertNil(t, err)
xrange := &ContinuousRange{
Min: 1.0,
Max: 4.0,
Domain: 100,
}
yrange := &ContinuousRange{
Min: 1.0,
Max: 4.0,
Domain: 100,
}
cb := Box{
Top: 5,
Left: 5,
Right: 105,
Bottom: 105,
}
sd := Style{
FontSize: 10.0,
Font: f,
}
box := as.Measure(r, cb, xrange, yrange, sd)
testutil.AssertFalse(t, box.IsZero())
testutil.AssertEqual(t, -5.0, box.Top)
testutil.AssertEqual(t, 5.0, box.Left)
testutil.AssertEqual(t, 146.0, box.Right) //the top,left annotation sticks up 5px and out ~44px.
testutil.AssertEqual(t, 115.0, box.Bottom)
}
func TestAnnotationSeriesRender(t *testing.T) {
// replaced new assertions helper
as := AnnotationSeries{
Style: Style{
FillColor: drawing.ColorWhite,
StrokeColor: drawing.ColorBlack,
},
Annotations: []Value2{
{XValue: 1.0, YValue: 1.0, Label: "1.0"},
{XValue: 2.0, YValue: 2.0, Label: "2.0"},
{XValue: 3.0, YValue: 3.0, Label: "3.0"},
{XValue: 4.0, YValue: 4.0, Label: "4.0"},
},
}
r, err := PNG(110, 110)
testutil.AssertNil(t, err)
f, err := GetDefaultFont()
testutil.AssertNil(t, err)
xrange := &ContinuousRange{
Min: 1.0,
Max: 4.0,
Domain: 100,
}
yrange := &ContinuousRange{
Min: 1.0,
Max: 4.0,
Domain: 100,
}
cb := Box{
Top: 5,
Left: 5,
Right: 105,
Bottom: 105,
}
sd := Style{
FontSize: 10.0,
Font: f,
}
as.Render(r, cb, xrange, yrange, sd)
rr, isRaster := r.(*rasterRenderer)
testutil.AssertTrue(t, isRaster)
testutil.AssertNotNil(t, rr)
c := rr.i.At(38, 70)
converted, isRGBA := color.RGBAModel.Convert(c).(color.RGBA)
testutil.AssertTrue(t, isRGBA)
testutil.AssertEqual(t, 0, converted.R)
testutil.AssertEqual(t, 0, converted.G)
testutil.AssertEqual(t, 0, converted.B)
}