Revision handling in federated deployment controller

federation/pkg/federation-controller/util/deployment_test.go

@@ -0,0 +1,70 @@
+/*
+Copyright 2016 The Kubernetes Authors.
+
+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 (
+	"testing"
+
+	apiv1 "k8s.io/kubernetes/pkg/api/v1"
+	extensionsv1 "k8s.io/kubernetes/pkg/apis/extensions/v1beta1"
+	deputils "k8s.io/kubernetes/pkg/controller/deployment/util"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestDeploymentEquivalent(t *testing.T) {
+	d1 := newDeployment()
+	d2 := newDeployment()
+	d2.Annotations = make(map[string]string)
+
+	d3 := newDeployment()
+	d3.Annotations = map[string]string{"a": "b"}
+
+	d4 := newDeployment()
+	d4.Annotations = map[string]string{deputils.RevisionAnnotation: "9"}
+
+	assert.True(t, DeploymentEquivalent(d1, d2))
+	assert.True(t, DeploymentEquivalent(d1, d2))
+	assert.True(t, DeploymentEquivalent(d1, d4))
+	assert.True(t, DeploymentEquivalent(d4, d1))
+	assert.False(t, DeploymentEquivalent(d3, d4))
+	assert.False(t, DeploymentEquivalent(d3, d1))
+	assert.True(t, DeploymentEquivalent(d3, d3))
+}
+
+func TestDeploymentCopy(t *testing.T) {
+	d1 := newDeployment()
+	d1.Annotations = map[string]string{deputils.RevisionAnnotation: "9", "a": "b"}
+	d2 := DeepCopyDeployment(d1)
+	assert.True(t, DeploymentEquivalent(d1, d2))
+	assert.Contains(t, d2.Annotations, "a")
+	assert.NotContains(t, d2.Annotations, deputils.RevisionAnnotation)
+}
+
+func newDeployment() *extensionsv1.Deployment {
+	replicas := int32(5)
+	return &extensionsv1.Deployment{
+		ObjectMeta: apiv1.ObjectMeta{
+			Name:      "wrr",
+			Namespace: apiv1.NamespaceDefault,
+			SelfLink:  "/api/v1/namespaces/default/deployments/name123",
+		},
+		Spec: extensionsv1.DeploymentSpec{
+			Replicas: &replicas,
+		},
+	}
+}