Method TestErrorString

error_test.go:21–140

err varSomeErr

(c *gc.C)

var someErr = errors.New("some error") //err varSomeErr

func (*errorsSuite) TestErrorString(c *gc.C) {
	for i, test := range []struct {
		message   string
		generator func() error
		expected  string
	}{
		{
			message: "uncomparable errors",
			generator: func() error {
				err := errors.Annotatef(newNonComparableError("uncomparable"), "annotation")
				return errors.Annotatef(err, "another")
			},
			expected: "another: annotation: uncomparable",
		}, {
			message: "Errorf",
			generator: func() error {
				return errors.Errorf("first error")
			},
			expected: "first error",
		}, {
			message: "annotated error",
			generator: func() error {
				err := errors.Errorf("first error")
				return errors.Annotatef(err, "annotation")
			},
			expected: "annotation: first error",
		}, {
			message: "test annotation format",
			generator: func() error {
				err := errors.Errorf("first %s", "error")
				return errors.Annotatef(err, "%s", "annotation")
			},
			expected: "annotation: first error",
		}, {
			message: "wrapped error",
			generator: func() error {
				err := newError("first error")
				return errors.Wrap(err, newError("detailed error"))
			},
			expected: "detailed error",
		}, {
			message: "wrapped annotated error",
			generator: func() error {
				err := errors.Errorf("first error")
				err = errors.Annotatef(err, "annotated")
				return errors.Wrap(err, fmt.Errorf("detailed error"))
			},
			expected: "detailed error",
		}, {
			message: "annotated wrapped error",
			generator: func() error {
				err := errors.Errorf("first error")
				err = errors.Wrap(err, fmt.Errorf("detailed error"))
				return errors.Annotatef(err, "annotated")
			},
			expected: "annotated: detailed error",
		}, {
			message: "traced, and annotated",