| package matchers |
| |
| import ( |
| "fmt" |
| "reflect" |
| |
| "github.com/onsi/gomega/format" |
| ) |
| |
| type MatchErrorMatcher struct { |
| Expected interface{} |
| } |
| |
| func (matcher *MatchErrorMatcher) Match(actual interface{}) (success bool, err error) { |
| if isNil(actual) { |
| return false, fmt.Errorf("Expected an error, got nil") |
| } |
| |
| if !isError(actual) { |
| return false, fmt.Errorf("Expected an error. Got:\n%s", format.Object(actual, 1)) |
| } |
| |
| actualErr := actual.(error) |
| |
| if isError(matcher.Expected) { |
| return reflect.DeepEqual(actualErr, matcher.Expected), nil |
| } |
| |
| if isString(matcher.Expected) { |
| return actualErr.Error() == matcher.Expected, nil |
| } |
| |
| var subMatcher omegaMatcher |
| var hasSubMatcher bool |
| if matcher.Expected != nil { |
| subMatcher, hasSubMatcher = (matcher.Expected).(omegaMatcher) |
| if hasSubMatcher { |
| return subMatcher.Match(actualErr.Error()) |
| } |
| } |
| |
| return false, fmt.Errorf("MatchError must be passed an error, string, or Matcher that can match on strings. Got:\n%s", format.Object(matcher.Expected, 1)) |
| } |
| |
| func (matcher *MatchErrorMatcher) FailureMessage(actual interface{}) (message string) { |
| return format.Message(actual, "to match error", matcher.Expected) |
| } |
| |
| func (matcher *MatchErrorMatcher) NegatedFailureMessage(actual interface{}) (message string) { |
| return format.Message(actual, "not to match error", matcher.Expected) |
| } |