Split implementations from generic code

core/pkg/ingress/controller/util_test.go

@@ -0,0 +1,50 @@
+/*
+Copyright 2015 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 controller
+
+import (
+	"testing"
+
+	"k8s.io/kubernetes/pkg/api"
+	"k8s.io/kubernetes/pkg/apis/extensions"
+)
+
+func TestIsValidClass(t *testing.T) {
+	ing := &extensions.Ingress{
+		ObjectMeta: api.ObjectMeta{
+			Name:      "foo",
+			Namespace: api.NamespaceDefault,
+		},
+	}
+
+	b := IsValidClass(ing, "")
+	if !b {
+		t.Error("Expected a valid class (missing annotation)")
+	}
+
+	data := map[string]string{}
+	data[ingressClassKey] = "custom"
+	ing.SetAnnotations(data)
+	b = IsValidClass(ing, "custom")
+	if !b {
+		t.Errorf("Expected valid class but %v returned", b)
+	}
+	b = IsValidClass(ing, "nginx")
+	if b {
+		t.Errorf("Expected invalid class but %v returned", b)
+	}
+}