35 lines
856 B
Go
35 lines
856 B
Go
//go:build export_samples
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package caption_test
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import (
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"image"
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"image/png"
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"os"
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"path"
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"strings"
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"testing"
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)
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func init() {
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beforeCheck = append(beforeCheck, func(t *testing.T, name string, redraw bool, got image.Image) {
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suffix := ""
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if redraw {
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suffix = " redraw"
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}
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t.Run("export"+suffix, func(t *testing.T) {
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outPath := strings.TrimSpace(os.Getenv("TEST_RENDER_OUT_PATH"))
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if len(outPath) == 0 {
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outPath = os.TempDir()
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}
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outPath = path.Join(outPath, "overlay-"+strings.Join(strings.Fields(name+suffix), "-")+".png")
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if re, err := os.Create(outPath); err != nil {
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t.Fatalf("cannot create: %v", err)
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} else if err = (&png.Encoder{CompressionLevel: png.NoCompression}).Encode(re, got); err != nil {
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t.Fatalf("cannot encode to file: %v", err)
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}
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t.Logf("test case exported to %s", outPath)
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})
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})
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}
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