Beispiel #1
0
func TestCallersMulti(t *testing.T) {
	m := stack.CallersMulti(0)
	const expected = "stack_test.go:35 TestCallersMulti"
	first := m.Stacks()[0][0].String()
	if !strings.HasSuffix(first, expected) {
		t.Fatalf(`expected suffix "%s" got "%s"`, expected, first)
	}
}
Beispiel #2
0
func TestCallersMultiWithTwo(t *testing.T) {
	m := stack.CallersMulti(0)
	m.AddCallers(0)
	matches := []string{
		"stack_test.go:44 +TestCallersMultiWithTwo$",
		"",
		"",
		`\(Stack 2\)$`,
		"stack_test.go:46 +TestCallersMultiWithTwo$",
	}
	match(t, m.String(), matches)
}
Beispiel #3
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// WrapSkip may wrap the error and return an augmented error depending on the
// configuration in the context. The defaults result in the error being
// returned as is. It also handles nils correctly, returning a nil in that
// case. If the given error is already wrapped, it returns it as-is.
func WrapSkip(ctx context.Context, err error, skip int) error {
	switch err := err.(type) {
	case nil:
		return nil
	case *singleFrameError:
		return err
	case *singleStackError:
		return err
	case *multiStackError:
		err.multiStack.AddCallers(skip + 1)
		return err
	}

	config := ContextConfig(ctx)
	switch config.StackMode {
	case StackModeSingleFrame:
		return &singleFrameError{
			config:     config,
			underlying: err,
			frame:      stack.Caller(skip + 1),
		}
	case StackModeSingleStack:
		return &singleStackError{
			config:     config,
			underlying: err,
			stack:      stack.Callers(skip + 1),
		}
	case StackModeMultiStack:
		return &multiStackError{
			config:     config,
			underlying: err,
			multiStack: stack.CallersMulti(skip + 1),
		}
	}
	return err
}
Beispiel #4
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func BenchmarkCallersMulti(b *testing.B) {
	for i := 0; i < b.N; i++ {
		stack.CallersMulti(0)
	}
}