| package matchers |
| |
| import ( |
| "fmt" |
| |
| "github.com/onsi/gomega/format" |
| ) |
| |
| type HaveLenMatcher struct { |
| Count int |
| } |
| |
| func (matcher *HaveLenMatcher) Match(actual interface{}) (success bool, err error) { |
| length, ok := lengthOf(actual) |
| if !ok { |
| return false, fmt.Errorf("HaveLen matcher expects a string/array/map/channel/slice. Got:\n%s", format.Object(actual, 1)) |
| } |
| |
| return length == matcher.Count, nil |
| } |
| |
| func (matcher *HaveLenMatcher) FailureMessage(actual interface{}) (message string) { |
| return fmt.Sprintf("Expected\n%s\nto have length %d", format.Object(actual, 1), matcher.Count) |
| } |
| |
| func (matcher *HaveLenMatcher) NegatedFailureMessage(actual interface{}) (message string) { |
| return fmt.Sprintf("Expected\n%s\nnot to have length %d", format.Object(actual, 1), matcher.Count) |
| } |