57 lines
1.4 KiB
Go
57 lines
1.4 KiB
Go
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package matchers
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import (
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"fmt"
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"reflect"
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"github.com/onsi/gomega/format"
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)
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type ContainElementMatcher struct {
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Element interface{}
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}
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func (matcher *ContainElementMatcher) Match(actual interface{}) (success bool, err error) {
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if !isArrayOrSlice(actual) && !isMap(actual) {
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return false, fmt.Errorf("ContainElement matcher expects an array/slice/map. Got:\n%s", format.Object(actual, 1))
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}
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elemMatcher, elementIsMatcher := matcher.Element.(omegaMatcher)
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if !elementIsMatcher {
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elemMatcher = &EqualMatcher{Expected: matcher.Element}
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}
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value := reflect.ValueOf(actual)
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var keys []reflect.Value
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if isMap(actual) {
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keys = value.MapKeys()
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}
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var lastError error
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for i := 0; i < value.Len(); i++ {
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var success bool
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var err error
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if isMap(actual) {
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success, err = elemMatcher.Match(value.MapIndex(keys[i]).Interface())
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} else {
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success, err = elemMatcher.Match(value.Index(i).Interface())
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}
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if err != nil {
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lastError = err
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continue
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}
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if success {
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return true, nil
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}
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}
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return false, lastError
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}
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func (matcher *ContainElementMatcher) FailureMessage(actual interface{}) (message string) {
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return format.Message(actual, "to contain element matching", matcher.Element)
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}
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func (matcher *ContainElementMatcher) NegatedFailureMessage(actual interface{}) (message string) {
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return format.Message(actual, "not to contain element matching", matcher.Element)
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}
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