kubeadm: added tests for util/{error,kubeconfig}

cmd/kubeadm/app/util/error_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 util
+
+import (
+        "fmt"
+        "testing"
+
+        "k8s.io/kubernetes/cmd/kubeadm/app/preflight"
+)
+
+func TestCheckErr(t *testing.T) {
+        var codeReturned int
+        errHandle := func(err string, code int) {
+                codeReturned = code
+        }
+
+        var tokenTest = []struct {
+                e        error
+                expected int
+        }{
+                {nil, 0},
+                {fmt.Errorf(""), 1},
+                {&preflight.PreFlightError{}, 2},
+        }
+
+        for _, rt := range tokenTest {
+                checkErr("", rt.e, errHandle)
+                if codeReturned != rt.expected {
+                        t.Errorf(
+                                "failed checkErr:\n\texpected: %d\n\t  actual: %d",
+                                rt.expected,
+                                codeReturned,
+                        )
+                }
+        }
+}

cmd/kubeadm/app/util/kubeconfig_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 util
+
+import (
+        "fmt"
+        "log"
+        "math/rand"
+        "os"
+        "runtime"
+        "strings"
+        "testing"
+        "time"
+
+        clientcmdapi "k8s.io/kubernetes/pkg/client/unversioned/clientcmd/api"
+)
+
+type configClient struct {
+        c  string
+        s  string
+        ca []byte
+}
+
+type configClientWithCerts struct {
+        c           *clientcmdapi.Config
+        clusterName string
+        userName    string
+        clientKey   []byte
+        clientCert  []byte
+}
+
+type configClientWithToken struct {
+        c           *clientcmdapi.Config
+        clusterName string
+        userName    string
+        token       string
+}
+
+func init() {
+        rand.Seed(time.Now().UTC().UnixNano())
+}
+
+func TestCreateBasicClientConfig(t *testing.T) {
+        var createBasicTest = []struct {
+                cc       configClient
+                expected string
+        }{
+                {configClient{}, ""},
+                {configClient{c: "kubernetes"}, ""},
+        }
+        for _, rt := range createBasicTest {
+                c := CreateBasicClientConfig(rt.cc.c, rt.cc.s, rt.cc.ca)
+                if c.Kind != rt.expected {
+                        t.Errorf(
+                                "failed CreateBasicClientConfig:\n\texpected: %s\n\t  actual: %s",
+                                c.Kind,
+                                rt.expected,
+                        )
+                }
+        }
+}
+
+func TestMakeClientConfigWithCerts(t *testing.T) {
+        var createBasicTest = []struct {
+                cc          configClient
+                ccWithCerts configClientWithCerts
+                expected    string
+        }{
+                {configClient{}, configClientWithCerts{}, ""},
+                {configClient{c: "kubernetes"}, configClientWithCerts{}, ""},
+        }
+        for _, rt := range createBasicTest {
+                c := CreateBasicClientConfig(rt.cc.c, rt.cc.s, rt.cc.ca)
+                rt.ccWithCerts.c = c
+                cwc := MakeClientConfigWithCerts(
+                        rt.ccWithCerts.c,
+                        rt.ccWithCerts.clusterName,
+                        rt.ccWithCerts.userName,
+                        rt.ccWithCerts.clientKey,
+                        rt.ccWithCerts.clientCert,
+                )
+                if cwc.Kind != rt.expected {
+                        t.Errorf(
+                                "failed MakeClientConfigWithCerts:\n\texpected: %s\n\t  actual: %s",
+                                c.Kind,
+                                rt.expected,
+                        )
+                }
+        }
+}
+
+func TestMakeClientConfigWithToken(t *testing.T) {
+        var createBasicTest = []struct {
+                cc          configClient
+                ccWithToken configClientWithToken
+                expected    string
+        }{
+                {configClient{}, configClientWithToken{}, ""},
+                {configClient{c: "kubernetes"}, configClientWithToken{}, ""},
+        }
+        for _, rt := range createBasicTest {
+                c := CreateBasicClientConfig(rt.cc.c, rt.cc.s, rt.cc.ca)
+                rt.ccWithToken.c = c
+                cwc := MakeClientConfigWithToken(
+                        rt.ccWithToken.c,
+                        rt.ccWithToken.clusterName,
+                        rt.ccWithToken.userName,
+                        rt.ccWithToken.token,
+                )
+                if cwc.Kind != rt.expected {
+                        t.Errorf(
+                                "failed MakeClientConfigWithCerts:\n\texpected: %s\n\t  actual: %s",
+                                c.Kind,
+                                rt.expected,
+                        )
+                }
+        }
+}
+
+func setEnvs() {
+        rand := rand.Int()
+        var envParams = map[string]string{
+                "kubernetes_dir":     fmt.Sprintf("/tmp/%d/etc/kubernetes", rand),
+                "host_pki_path":      fmt.Sprintf("/tmp/%d/etc/kubernetes/pki", rand),
+                "host_etcd_path":     fmt.Sprintf("/tmp/%d/var/lib/etcd", rand),
+                "hyperkube_image":    "",
+                "discovery_image":    fmt.Sprintf("gcr.io/google_containers/kube-discovery-%s:%s", runtime.GOARCH, "1.0"),
+                "etcd_image":         "",
+                "component_loglevel": "--v=4",
+        }
+        for k, v := range envParams {
+                err := os.Setenv(fmt.Sprintf("KUBE_%s", strings.ToUpper(k)), v)
+                if err != nil {
+                        log.Fatal(err)
+                }
+        }
+}
+
+func TestWriteKubeconfigIfNotExists(t *testing.T) {
+        setEnvs()
+        var writeConfig = []struct {
+                name     string
+                cc       configClient
+                expected error
+        }{
+                {fmt.Sprintf("%d", rand.Int()), configClient{}, nil},
+                {fmt.Sprintf("%d", rand.Int()), configClient{c: "kubernetes"}, nil},
+        }
+        for _, rt := range writeConfig {
+                c := CreateBasicClientConfig(rt.cc.c, rt.cc.s, rt.cc.ca)
+                err := WriteKubeconfigIfNotExists(rt.name, c)
+                if err != rt.expected {
+                        t.Errorf(
+                                "failed WriteKubeconfigIfNotExists:\n\texpected: %s\n\t  actual: %s",
+                                err,
+                                rt.expected,
+                        )
+                }
+        }
+}

cmd/kubeadm/app/util/tokens_test.go

@@ -154,7 +154,7 @@ func TestRandBytes(t *testing.T) {
                 actual, _, err := RandBytes(rt.r)
                 if err != rt.expected {
                         t.Errorf(
-                                "failed RandBytes:\n\texpected: %t\n\t  actual: %t",
+                                "failed RandBytes:\n\texpected: %s\n\t  actual: %s",
                                 rt.expected,
                                 err,
                         )