diff options
Diffstat (limited to 'vendor/github.com/onsi/gomega/matchers/have_each_matcher.go')
-rw-r--r-- | vendor/github.com/onsi/gomega/matchers/have_each_matcher.go | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/vendor/github.com/onsi/gomega/matchers/have_each_matcher.go b/vendor/github.com/onsi/gomega/matchers/have_each_matcher.go new file mode 100644 index 000000000..025b6e1ac --- /dev/null +++ b/vendor/github.com/onsi/gomega/matchers/have_each_matcher.go @@ -0,0 +1,65 @@ +package matchers + +import ( + "fmt" + "reflect" + + "github.com/onsi/gomega/format" +) + +type HaveEachMatcher struct { + Element interface{} +} + +func (matcher *HaveEachMatcher) Match(actual interface{}) (success bool, err error) { + if !isArrayOrSlice(actual) && !isMap(actual) { + return false, fmt.Errorf("HaveEach matcher expects an array/slice/map. Got:\n%s", + format.Object(actual, 1)) + } + + elemMatcher, elementIsMatcher := matcher.Element.(omegaMatcher) + if !elementIsMatcher { + elemMatcher = &EqualMatcher{Expected: matcher.Element} + } + + value := reflect.ValueOf(actual) + if value.Len() == 0 { + return false, fmt.Errorf("HaveEach matcher expects a non-empty array/slice/map. Got:\n%s", + format.Object(actual, 1)) + } + + var valueAt func(int) interface{} + if isMap(actual) { + keys := value.MapKeys() + valueAt = func(i int) interface{} { + return value.MapIndex(keys[i]).Interface() + } + } else { + valueAt = func(i int) interface{} { + return value.Index(i).Interface() + } + } + + // if there are no elements, then HaveEach will match. + for i := 0; i < value.Len(); i++ { + success, err := elemMatcher.Match(valueAt(i)) + if err != nil { + return false, err + } + if !success { + return false, nil + } + } + + return true, nil +} + +// FailureMessage returns a suitable failure message. +func (matcher *HaveEachMatcher) FailureMessage(actual interface{}) (message string) { + return format.Message(actual, "to contain element matching", matcher.Element) +} + +// NegatedFailureMessage returns a suitable negated failure message. +func (matcher *HaveEachMatcher) NegatedFailureMessage(actual interface{}) (message string) { + return format.Message(actual, "not to contain element matching", matcher.Element) +} |