initial commit
[govpp.git] / vendor / github.com / onsi / gomega / matchers / consist_of.go
diff --git a/vendor/github.com/onsi/gomega/matchers/consist_of.go b/vendor/github.com/onsi/gomega/matchers/consist_of.go
new file mode 100644 (file)
index 0000000..7b0e088
--- /dev/null
@@ -0,0 +1,80 @@
+package matchers
+
+import (
+       "fmt"
+       "reflect"
+
+       "github.com/onsi/gomega/format"
+       "github.com/onsi/gomega/matchers/support/goraph/bipartitegraph"
+)
+
+type ConsistOfMatcher struct {
+       Elements []interface{}
+}
+
+func (matcher *ConsistOfMatcher) Match(actual interface{}) (success bool, err error) {
+       if !isArrayOrSlice(actual) && !isMap(actual) {
+               return false, fmt.Errorf("ConsistOf matcher expects an array/slice/map.  Got:\n%s", format.Object(actual, 1))
+       }
+
+       elements := matcher.Elements
+       if len(matcher.Elements) == 1 && isArrayOrSlice(matcher.Elements[0]) {
+               elements = []interface{}{}
+               value := reflect.ValueOf(matcher.Elements[0])
+               for i := 0; i < value.Len(); i++ {
+                       elements = append(elements, value.Index(i).Interface())
+               }
+       }
+
+       matchers := []interface{}{}
+       for _, element := range elements {
+               matcher, isMatcher := element.(omegaMatcher)
+               if !isMatcher {
+                       matcher = &EqualMatcher{Expected: element}
+               }
+               matchers = append(matchers, matcher)
+       }
+
+       values := matcher.valuesOf(actual)
+
+       if len(values) != len(matchers) {
+               return false, nil
+       }
+
+       neighbours := func(v, m interface{}) (bool, error) {
+               match, err := m.(omegaMatcher).Match(v)
+               return match && err == nil, nil
+       }
+
+       bipartiteGraph, err := bipartitegraph.NewBipartiteGraph(values, matchers, neighbours)
+       if err != nil {
+               return false, err
+       }
+
+       return len(bipartiteGraph.LargestMatching()) == len(values), nil
+}
+
+func (matcher *ConsistOfMatcher) valuesOf(actual interface{}) []interface{} {
+       value := reflect.ValueOf(actual)
+       values := []interface{}{}
+       if isMap(actual) {
+               keys := value.MapKeys()
+               for i := 0; i < value.Len(); i++ {
+                       values = append(values, value.MapIndex(keys[i]).Interface())
+               }
+       } else {
+               for i := 0; i < value.Len(); i++ {
+                       values = append(values, value.Index(i).Interface())
+               }
+       }
+
+       return values
+}
+
+func (matcher *ConsistOfMatcher) FailureMessage(actual interface{}) (message string) {
+       return format.Message(actual, "to consist of", matcher.Elements)
+}
+
+func (matcher *ConsistOfMatcher) NegatedFailureMessage(actual interface{}) (message string) {
+       return format.Message(actual, "not to consist of", matcher.Elements)
+}