Add simple testing infrastructure

vendor/github.com/onsi/gomega/matchers/match_json_matcher.go

@@ -0,0 +1,61 @@
+package matchers
+
+import (
+	"bytes"
+	"encoding/json"
+	"fmt"
+	"github.com/onsi/gomega/format"
+	"reflect"
+)
+
+type MatchJSONMatcher struct {
+	JSONToMatch interface{}
+}
+
+func (matcher *MatchJSONMatcher) Match(actual interface{}) (success bool, err error) {
+	actualString, expectedString, err := matcher.prettyPrint(actual)
+	if err != nil {
+		return false, err
+	}
+
+	var aval interface{}
+	var eval interface{}
+
+	// this is guarded by prettyPrint
+	json.Unmarshal([]byte(actualString), &aval)
+	json.Unmarshal([]byte(expectedString), &eval)
+
+	return reflect.DeepEqual(aval, eval), nil
+}
+
+func (matcher *MatchJSONMatcher) FailureMessage(actual interface{}) (message string) {
+	actualString, expectedString, _ := matcher.prettyPrint(actual)
+	return format.Message(actualString, "to match JSON of", expectedString)
+}
+
+func (matcher *MatchJSONMatcher) NegatedFailureMessage(actual interface{}) (message string) {
+	actualString, expectedString, _ := matcher.prettyPrint(actual)
+	return format.Message(actualString, "not to match JSON of", expectedString)
+}
+
+func (matcher *MatchJSONMatcher) prettyPrint(actual interface{}) (actualFormatted, expectedFormatted string, err error) {
+	actualString, aok := toString(actual)
+	expectedString, eok := toString(matcher.JSONToMatch)
+
+	if !(aok && eok) {
+		return "", "", fmt.Errorf("MatchJSONMatcher matcher requires a string or stringer.  Got:\n%s", format.Object(actual, 1))
+	}
+
+	abuf := new(bytes.Buffer)
+	ebuf := new(bytes.Buffer)
+
+	if err := json.Indent(abuf, []byte(actualString), "", "  "); err != nil {
+		return "", "", err
+	}
+
+	if err := json.Indent(ebuf, []byte(expectedString), "", "  "); err != nil {
+		return "", "", err
+	}
+
+	return abuf.String(), ebuf.String(), nil
+}