32 lines
581 B
Go
32 lines
581 B
Go
package main
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import (
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"image/png"
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"os"
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"testing"
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)
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// go test -run TestDecodeQR -v
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func TestDecodeQR(t *testing.T) {
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path := os.Getenv("QR_TEST_FILE")
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if path == "" {
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t.Skip("set QR_TEST_FILE to a PNG path to run")
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return
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}
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f, err := os.Open(path)
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if err != nil {
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t.Fatal(err)
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}
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defer f.Close()
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img, err := png.Decode(f)
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if err != nil {
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t.Fatal(err)
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}
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txt, err := DecodeQR(img)
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if err != nil {
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t.Fatalf("decode error: %v", err)
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}
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t.Logf("decoded: %d bytes", len(txt))
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}
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