add unit test cases for controllers/gce/healthchecks

controllers/gce/healthchecks/healthchecks_test.go

@@ -0,0 +1,63 @@
+/*
+Copyright 2017 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 healthchecks
+
+import (
+	"testing"
+
+	"k8s.io/ingress/controllers/gce/utils"
+)
+
+func TestFakeHealthCheckActions(t *testing.T) {
+	namer := &utils.Namer{}
+	healthChecks := NewHealthChecker(NewFakeHealthChecks(), "/", namer)
+	healthChecks.Init(&FakeHealthCheckGetter{DefaultHealthCheck: nil})
+
+	err := healthChecks.Add(80)
+	if err != nil {
+		t.Fatalf("unexpected error")
+	}
+
+	_, err1 := healthChecks.Get(8080)
+	if err1 == nil {
+		t.Errorf("expected error")
+	}
+
+	hc, err2 := healthChecks.Get(80)
+	if err2 != nil {
+		t.Errorf("unexpected error")
+	} else {
+		if hc == nil {
+			t.Errorf("expected a *compute.HttpHealthCheck")
+		}
+	}
+
+	err = healthChecks.Delete(8080)
+	if err == nil {
+		t.Errorf("expected error")
+	}
+
+	err = healthChecks.Delete(80)
+	if err != nil {
+		t.Errorf("unexpected error")
+	}
+
+	_, err3 := healthChecks.Get(80)
+	if err3 == nil {
+		t.Errorf("expected error")
+	}
+}