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// Copyright 2021 Nick White.
// Use of this source code is governed by the GPLv3
// license that can be found in the LICENSE file.
package pipeline
import (
"errors"
"testing"
)
func Test_CheckImages(t *testing.T) {
cases := []struct {
dir string
err error
}{
{"testdata/good", nil},
{"testdata/bad", errors.New("Decoding image testdata/bad/bad.png failed: png: invalid format: invalid checksum")},
{"testdata/nonexistent", nil},
}
for _, c := range cases {
t.Run(c.dir, func(t *testing.T) {
err := CheckImages(c.dir)
if err == nil && c.err != nil {
t.Fatalf("Expected error '%v', got no error", c.err)
}
if err != nil && c.err == nil {
t.Fatalf("Expected no error, got error '%v'", err)
}
if err != nil && c.err != nil && err.Error() != c.err.Error() {
t.Fatalf("Got an unexpected error, expected '%v', got '%v'", c.err, err)
}
})
}
}
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