kubeadm: unit tests for app/master/addons.go

cmd/kubeadm/app/master/addons_test.go

+/*
+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 master
+
+import (
+	"testing"
+
+	"k8s.io/kubernetes/cmd/kubeadm/app/apis/kubeadm"
+	kubeadmapi "k8s.io/kubernetes/cmd/kubeadm/app/apis/kubeadm"
+)
+
+func TestCreateKubeProxyPodSpec(t *testing.T) {
+	var tests = []struct {
+		cfg      *kubeadmapi.MasterConfiguration
+		expected bool
+	}{
+		{
+			cfg:      &kubeadmapi.MasterConfiguration{},
+			expected: true,
+		},
+	}
+
+	for _, rt := range tests {
+		actual := createKubeProxyPodSpec(rt.cfg)
+		if (actual.Containers[0].Name != "") != rt.expected {
+			t.Errorf(
+				"failed createKubeProxyPodSpec:\n\texpected: %t\n\t  actual: %t",
+				rt.expected,
+				(actual.Containers[0].Name != ""),
+			)
+		}
+	}
+}
+
+func TestCreateKubeDNSPodSpec(t *testing.T) {
+	var tests = []struct {
+		cfg      *kubeadmapi.MasterConfiguration
+		expected string
+	}{
+		{
+			cfg: &kubeadmapi.MasterConfiguration{
+				Networking: kubeadm.Networking{DNSDomain: "localhost"},
+			},
+			expected: "--domain=localhost",
+		},
+		{
+			cfg: &kubeadmapi.MasterConfiguration{
+				Networking: kubeadm.Networking{DNSDomain: "foo"},
+			},
+			expected: "--domain=foo",
+		},
+	}
+
+	for _, rt := range tests {
+		actual := createKubeDNSPodSpec(rt.cfg)
+		if actual.Containers[0].Args[0] != rt.expected {
+			t.Errorf(
+				"failed createKubeDNSPodSpec:\n\texpected: %s\n\t  actual: %s",
+				rt.expected,
+				actual.Containers[0].Args[0],
+			)
+		}
+	}
+}
+
+func TestCreateKubeDNSServiceSpec(t *testing.T) {
+	var tests = []struct {
+		cfg      *kubeadmapi.MasterConfiguration
+		expected bool
+	}{
+		{
+			cfg: &kubeadmapi.MasterConfiguration{
+				Networking: kubeadm.Networking{ServiceSubnet: "foo"},
+			},
+			expected: false,
+		},
+		{
+			cfg: &kubeadmapi.MasterConfiguration{
+				Networking: kubeadm.Networking{ServiceSubnet: "10.0.0.1/1"},
+			},
+			expected: false,
+		},
+		{
+			cfg: &kubeadmapi.MasterConfiguration{
+				Networking: kubeadm.Networking{ServiceSubnet: "10.0.0.1/24"},
+			},
+			expected: true,
+		},
+	}
+
+	for _, rt := range tests {
+		_, actual := createKubeDNSServiceSpec(rt.cfg)
+		if (actual == nil) != rt.expected {
+			t.Errorf(
+				"failed createKubeDNSServiceSpec:\n\texpected: %t\n\t  actual: %t",
+				rt.expected,
+				(actual == nil),
+			)
+		}
+	}
+}