all: split golden images based on GOARCH

Author: kortschak

cmpimg/checkplot.go

@@ -29,6 +29,8 @@ func goldenPath(path string) string {
 // For image.Image formats, a base64 encoded png representation is output to
 // the testing log when a difference is identified.
 func CheckPlot(ExampleFunc func(), t *testing.T, filenames ...string) {
+	t.Helper()
+
 	CheckPlotApprox(ExampleFunc, t, 0, filenames...)
 }
 

plot_test.go

@@ -10,6 +10,7 @@ import (
 	"image/color"
 	"math"
 	"os"
+	"runtime"
 	"testing"
 	"time"
 
@@ -182,9 +183,9 @@ func TestDrawGlyphBoxes(t *testing.T) {
 			t.Fatalf("error: %+v", err)
 		}
 
-		err = os.WriteFile("testdata/glyphbox.png", buf.Bytes(), 0644)
+		err = os.WriteFile("testdata/glyphbox_"+runtime.GOARCH+".png", buf.Bytes(), 0644)
 		if err != nil {
 			t.Fatalf("could not save plot: %+v", err)
 		}
-	}, t, "glyphbox.png")
+	}, t, "glyphbox_"+runtime.GOARCH+".png")
 }

plotter/barchart_example_test.go

@@ -7,6 +7,7 @@ package plotter_test
 import (
 	"image/color"
 	"log"
+	"runtime"
 
 	"golang.org/x/exp/rand"
 
@@ -43,7 +44,7 @@ func ExampleBarChart() {
 	}
 	p2.Add(horizontalBarChart)
 	p2.NominalY(horizontalLabels...)
-	err = p2.Save(100, 100, "testdata/horizontalBarChart.png")
+	err = p2.Save(100, 100, "testdata/horizontalBarChart_"+runtime.GOARCH+".png")
 	if err != nil {
 		log.Panic(err)
 	}

plotter/barchart_test.go

@@ -5,14 +5,15 @@
 package plotter_test
 
 import (
+	"runtime"
 	"testing"
 
 	"gonum.org/v1/plot/cmpimg"
 )
 
 func TestBarChart(t *testing.T) {
 	cmpimg.CheckPlot(ExampleBarChart, t, "verticalBarChart.png",
-		"horizontalBarChart.png", "barChart2.png",
+		"horizontalBarChart_"+runtime.GOARCH+".png", "barChart2.png",
 		"stackedBarChart.png")
 }
 

plotter/contour_example_test.go

@@ -7,6 +7,7 @@ package plotter_test
 import (
 	"log"
 	"math"
+	"runtime"
 	"testing"
 
 	"golang.org/x/exp/rand"
@@ -51,7 +52,7 @@ func ExampleContour() {
 
 	p.Add(c)
 
-	err := p.Save(10*vg.Centimeter, 10*vg.Centimeter, "testdata/contour.png")
+	err := p.Save(10*vg.Centimeter, 10*vg.Centimeter, "testdata/contour_"+runtime.GOARCH+".png")
 	if err != nil {
 		log.Fatalf("could not save plot: %+v", err)
 	}
@@ -77,5 +78,5 @@ func (g unitGrid) Y(r int) float64 {
 }
 
 func TestContour(t *testing.T) {
-	cmpimg.CheckPlotApprox(ExampleContour, t, 0.01, "contour.png")
+	cmpimg.CheckPlotApprox(ExampleContour, t, 0.01, "contour_"+runtime.GOARCH+".png")
 }

plotter/labels_test.go

@@ -6,6 +6,7 @@ package plotter_test
 
 import (
 	"image/color"
+	"runtime"
 	"testing"
 
 	"gonum.org/v1/plot"
@@ -145,11 +146,11 @@ func TestLabelsWithGlyphBoxes(t *testing.T) {
 			p.Add(plotter.NewGrid())
 			p.Add(plotter.NewGlyphBoxes())
 
-			err = p.Save(10*vg.Centimeter, 10*vg.Centimeter, "testdata/labels_glyphboxes.png")
+			err = p.Save(10*vg.Centimeter, 10*vg.Centimeter, "testdata/labels_glyphboxes_"+runtime.GOARCH+".png")
 			if err != nil {
-				t.Fatalf("could save plot: %+v", err)
+				t.Fatalf("could not save plot: %+v", err)
 			}
 		},
-		t, "labels_glyphboxes.png",
+		t, "labels_glyphboxes_"+runtime.GOARCH+".png",
 	)
 }

plotter/precision_test.go

@@ -6,6 +6,7 @@ package plotter_test
 
 import (
 	"log"
+	"runtime"
 	"testing"
 
 	"gonum.org/v1/plot"
@@ -14,7 +15,7 @@ import (
 )
 
 func TestFloatPrecision(t *testing.T) {
-	const fname = "precision.png"
+	const fname = "precision_" + runtime.GOARCH + ".png"
 
 	cmpimg.CheckPlot(func() {
 		p := plot.New()

plotter/rotation_example_test.go

@@ -8,6 +8,7 @@ import (
 	"image/color"
 	"log"
 	"math"
+	"runtime"
 
 	"gonum.org/v1/plot"
 	"gonum.org/v1/plot/plotter"
@@ -92,7 +93,7 @@ func Example_rotation() {
 	p.Y.Tick.Label.XAlign = draw.XCenter
 	p.Y.Tick.Label.YAlign = draw.YBottom
 
-	err = p.Save(200, 150, "testdata/rotation.png")
+	err = p.Save(200, 150, "testdata/rotation_"+runtime.GOARCH+".png")
 	if err != nil {
 		log.Panic(err)
 	}

plotter/rotation_test.go

@@ -5,11 +5,12 @@
 package plotter_test
 
 import (
+	"runtime"
 	"testing"
 
 	"gonum.org/v1/plot/cmpimg"
 )
 
 func TestRotation(t *testing.T) {
-	cmpimg.CheckPlot(Example_rotation, t, "rotation.png")
+	cmpimg.CheckPlot(Example_rotation, t, "rotation_"+runtime.GOARCH+".png")
 }

plotter/sankey_example_test.go

@@ -9,6 +9,7 @@ import (
 	"image/color"
 	"log"
 	"os"
+	"runtime"
 
 	"gonum.org/v1/plot"
 	"gonum.org/v1/plot/plotter"
@@ -396,7 +397,7 @@ func ExampleSankey_grouped() {
 
 	p.Draw(dc)
 	pngimg := vgimg.PngCanvas{Canvas: c}
-	f, err := os.Create("testdata/sankeyGrouped.png")
+	f, err := os.Create("testdata/sankeyGrouped_" + runtime.GOARCH + ".png")
 	if err != nil {
 		log.Panic(err)
 	}