Dmitry Sergeev
55 lines
1.2 KiB
Go
55 lines
1.2 KiB
Go
package source
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import (
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"errors"
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"fmt"
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"testing"
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)
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func TestKindOfThroughWrapping(t *testing.T) {
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base := errors.New("producer disappeared")
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wrapped := wrapError("read video", ErrorKindUnavailable, base)
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outer := fmt.Errorf("worker failed: %w", wrapped)
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if got := KindOf(outer); got != ErrorKindUnavailable {
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t.Fatalf("KindOf() = %v, want %v", got, ErrorKindUnavailable)
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}
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if !errors.Is(outer, base) {
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t.Fatal("wrapped error does not preserve its cause")
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}
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if wrapError("nil", 0, nil) != nil {
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t.Fatal("nil error is not wrapped as nil")
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}
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}
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func TestKindOfUnknown(t *testing.T) {
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if got := KindOf(errors.New("ordinary error")); got != ErrorKindUnknown {
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t.Fatalf("KindOf() = %v, want %v", got, ErrorKindUnknown)
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}
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}
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func TestSourceErrorWithOperation(t *testing.T) {
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err := &SourceError{
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Op: "read video",
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Kind: ErrorKindTemporary,
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Err: errors.New("timeout"),
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}
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const want = "read video: timeout"
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if got := err.Error(); got != want {
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t.Fatalf("Error() = %q, want %q", got, want)
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}
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}
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func TestSourceErrorWithoutOperation(t *testing.T) {
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err := &SourceError{
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Kind: ErrorKindTemporary,
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Err: errors.New("timeout"),
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}
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const want = "timeout"
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if got := err.Error(); got != want {
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t.Fatalf("Error() = %q, want %q", got, want)
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}
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}
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