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