Add missing field label conversions

Added missing field labels conversion functions for kinds:
- ConfigMap
- DaemonSet
- Deployment
- Endpoints
- Event
- Ingress
- Job
- PersistentVolume
- PersistentVolumeClaim
- ResourceQuota
- Secret
- Service

Completed conversion functions of few other kinds:
- Namespace
- ServiceAccount

Added tests suite for the above.

Signed-off-by: Michal Minar <miminar@redhat.com>

pkg/api/testing/conversion.go

@@ -0,0 +1,72 @@
+/*
+Copyright 2015 The Kubernetes Authors 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 testing
+
+import (
+	"testing"
+
+	"k8s.io/kubernetes/pkg/api"
+	"k8s.io/kubernetes/pkg/labels"
+)
+
+// TestSelectableFieldLabelConversions verifies that given resource have field
+// label conversion defined for each its selectable field.
+// fields contains selectable fields of the resource.
+// labelMap maps deprecated labels to their canonical names.
+func TestSelectableFieldLabelConversionsOfKind(t *testing.T, apiVersion string, kind string, fields labels.Set, labelMap map[string]string) {
+	badFieldLabels := []string{
+		"name",
+		".name",
+		"bad",
+		"metadata",
+		"foo.bar",
+	}
+
+	value := "value"
+
+	if len(fields) == 0 {
+		t.Logf("no selectable fields for kind %q, skipping", kind)
+	}
+	for label := range fields {
+		if label == "name" {
+			t.Logf("FIXME: \"name\" is deprecated by \"metadata.name\", it should be removed from selectable fields of kind=%s", kind)
+			continue
+		}
+		newLabel, newValue, err := api.Scheme.ConvertFieldLabel(apiVersion, kind, label, value)
+		if err != nil {
+			t.Errorf("kind=%s label=%s: got unexpected error: %v", kind, label, err)
+		} else {
+			expectedLabel := label
+			if l, exists := labelMap[label]; exists {
+				expectedLabel = l
+			}
+			if newLabel != expectedLabel {
+				t.Errorf("kind=%s label=%s: got unexpected label name (%q != %q)", kind, label, newLabel, expectedLabel)
+			}
+			if newValue != value {
+				t.Errorf("kind=%s label=%s: got unexpected new value (%q != %q)", kind, label, newValue, value)
+			}
+		}
+	}
+
+	for _, label := range badFieldLabels {
+		_, _, err := api.Scheme.ConvertFieldLabel(apiVersion, kind, label, "value")
+		if err == nil {
+			t.Errorf("kind=%s label=%s: got unexpected non-error", kind, label)
+		}
+	}
+}