forked from mystiq/dex
80 lines
2.1 KiB
Go
80 lines
2.1 KiB
Go
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)
|
|
}
|