Move ObjectDiff into util

pkg/api/latest/latest_test.go

@@ -25,7 +25,6 @@ import (
 	internal "github.com/GoogleCloudPlatform/kubernetes/pkg/api"
 	_ "github.com/GoogleCloudPlatform/kubernetes/pkg/api/v1beta1"
 	_ "github.com/GoogleCloudPlatform/kubernetes/pkg/api/v1beta2"
-	"github.com/GoogleCloudPlatform/kubernetes/pkg/runtime"
 	"github.com/GoogleCloudPlatform/kubernetes/pkg/util"
 	"github.com/fsouza/go-dockerclient"
 	"github.com/google/gofuzz"
@@ -128,7 +127,7 @@ func TestInternalRoundTrip(t *testing.T) {
 		}
 
 		if !reflect.DeepEqual(obj, actual) {
-			t.Errorf("%s: diff %s", k, runtime.ObjectDiff(obj, actual))
+			t.Errorf("%s: diff %s", k, util.ObjectDiff(obj, actual))
 		}
 	}
 }

pkg/api/serialization_test.go

@@ -130,7 +130,7 @@ func runTest(t *testing.T, codec runtime.Codec, source runtime.Object) {
 		return
 	} else {
 		if !reflect.DeepEqual(source, obj2) {
-			t.Errorf("1: %v: diff: %v", name, runtime.ObjectDiff(source, obj2))
+			t.Errorf("1: %v: diff: %v", name, util.ObjectDiff(source, obj2))
 			return
 		}
 	}
@@ -141,7 +141,7 @@ func runTest(t *testing.T, codec runtime.Codec, source runtime.Object) {
 		return
 	} else {
 		if !reflect.DeepEqual(source, obj3) {
-			t.Errorf("3: %v: diff: %v", name, runtime.ObjectDiff(source, obj3))
+			t.Errorf("3: %v: diff: %v", name, util.ObjectDiff(source, obj3))
 			return
 		}
 	}

pkg/runtime/scheme.go

@@ -17,12 +17,10 @@ limitations under the License.
 package runtime
 
 import (
-	"encoding/json"
 	"fmt"
 	"reflect"
 
 	"github.com/GoogleCloudPlatform/kubernetes/pkg/conversion"
-	"github.com/GoogleCloudPlatform/kubernetes/pkg/util"
 	"gopkg.in/v1/yaml"
 )
 
@@ -368,32 +366,6 @@ func (s *Scheme) CopyOrDie(obj Object) Object {
 	return newObj
 }
 
-// ObjectDiff writes the two objects out as JSON and prints out the identical part of
-// the objects followed by the remaining part of 'a' and finally the remaining part of 'b'.
-// For debugging tests.
-func ObjectDiff(a, b Object) string {
-	ab, err := json.Marshal(a)
-	if err != nil {
-		panic(fmt.Sprintf("a: %v", err))
-	}
-	bb, err := json.Marshal(b)
-	if err != nil {
-		panic(fmt.Sprintf("b: %v", err))
-	}
-	return util.StringDiff(string(ab), string(bb))
-}
-
-// ObjectGoPrintDiff is like ObjectDiff, but uses go's %#v formatter to print the
-// objects, in case json isn't showing you the difference. (reflect.DeepEqual makes
-// a distinction between nil and empty slices, for example, even though nothing else
-// really does.)
-func ObjectGoPrintDiff(a, b Object) string {
-	return util.StringDiff(
-		fmt.Sprintf("%#v", a),
-		fmt.Sprintf("%#v", b),
-	)
-}
-
 // metaInsertion implements conversion.MetaInsertionFactory, which lets the conversion
 // package figure out how to encode our object's types and versions. These fields are
 // located in our TypeMeta.

pkg/util/diff.go

+/*
+Copyright 2014 Google Inc. All rights reserved.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package util
+
+import (
+	"encoding/json"
+	"fmt"
+)
+
+// StringDiff diffs a and b and returns a human readable diff.
+func StringDiff(a, b string) string {
+	ba := []byte(a)
+	bb := []byte(b)
+	out := []byte{}
+	i := 0
+	for ; i < len(ba) && i < len(bb); i++ {
+		if ba[i] != bb[i] {
+			break
+		}
+		out = append(out, ba[i])
+	}
+	out = append(out, []byte("\n\nA: ")...)
+	out = append(out, ba[i:]...)
+	out = append(out, []byte("\n\nB: ")...)
+	out = append(out, bb[i:]...)
+	out = append(out, []byte("\n\n")...)
+	return string(out)
+}
+
+// ObjectDiff writes the two objects out as JSON and prints out the identical part of
+// the objects followed by the remaining part of 'a' and finally the remaining part of 'b'.
+// For debugging tests.
+func ObjectDiff(a, b interface{}) string {
+	ab, err := json.Marshal(a)
+	if err != nil {
+		panic(fmt.Sprintf("a: %v", err))
+	}
+	bb, err := json.Marshal(b)
+	if err != nil {
+		panic(fmt.Sprintf("b: %v", err))
+	}
+	return StringDiff(string(ab), string(bb))
+}
+
+// ObjectGoPrintDiff is like ObjectDiff, but uses go's %#v formatter to print the
+// objects, in case json isn't showing you the difference. (reflect.DeepEqual makes
+// a distinction between nil and empty slices, for example, even though nothing else
+// really does.)
+func ObjectGoPrintDiff(a, b interface{}) string {
+	return StringDiff(
+		fmt.Sprintf("%#v", a),
+		fmt.Sprintf("%#v", b),
+	)
+}

pkg/util/util.go

@@ -144,26 +144,6 @@ func (intstr IntOrString) MarshalJSON() ([]byte, error) {
 	}
 }
 
-// StringDiff diffs a and b and returns a human readable diff.
-func StringDiff(a, b string) string {
-	ba := []byte(a)
-	bb := []byte(b)
-	out := []byte{}
-	i := 0
-	for ; i < len(ba) && i < len(bb); i++ {
-		if ba[i] != bb[i] {
-			break
-		}
-		out = append(out, ba[i])
-	}
-	out = append(out, []byte("\n\nA: ")...)
-	out = append(out, ba[i:]...)
-	out = append(out, []byte("\n\nB: ")...)
-	out = append(out, bb[i:]...)
-	out = append(out, []byte("\n\n")...)
-	return string(out)
-}
-
 // Takes a list of strings and compiles them into a list of regular expressions
 func CompileRegexps(regexpStrings []string) ([]*regexp.Regexp, error) {
 	regexps := []*regexp.Regexp{}