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

cmd/kubeadm/app/master/tokens_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 (
+	"fmt"
+	"io/ioutil"
+	"os"
+	"testing"
+
+	kubeadmapi "k8s.io/kubernetes/cmd/kubeadm/app/apis/kubeadm"
+)
+
+func TestGenerateTokenIfNeeded(t *testing.T) {
+	var tests = []struct {
+		s        kubeadmapi.Secrets
+		expected bool
+	}{
+		{kubeadmapi.Secrets{GivenToken: "noperiod"}, false}, // not 2-part '.' format
+		{kubeadmapi.Secrets{GivenToken: "abcd.a"}, false},   // len(tokenID) != 6
+		{kubeadmapi.Secrets{GivenToken: "abcdef.a"}, true},
+		{kubeadmapi.Secrets{GivenToken: ""}, true},
+	}
+
+	for _, rt := range tests {
+		actual := generateTokenIfNeeded(&rt.s)
+		fmt.Println("here is a run:")
+		fmt.Println(actual)
+		if (actual == nil) != rt.expected {
+			t.Errorf(
+				"failed UseGivenTokenIfValid:\n\texpected: %t\n\t  actual: %t\n\t token:%s",
+				rt.expected,
+				(actual == nil),
+				rt.s.GivenToken,
+			)
+		}
+	}
+}
+
+func TestCreateTokenAuthFile(t *testing.T) {
+	tmpdir, err := ioutil.TempDir("", "")
+	if err != nil {
+		t.Fatalf("Couldn't create tmpdir")
+	}
+	defer os.Remove(tmpdir)
+	fmt.Println(tmpdir)
+
+	// set up tmp GlobalEnvParams values for testing
+	oldEnv := kubeadmapi.GlobalEnvParams
+	kubeadmapi.GlobalEnvParams.HostPKIPath = fmt.Sprintf("%s/etc/kubernetes/pki", tmpdir)
+	defer func() { kubeadmapi.GlobalEnvParams = oldEnv }()
+
+	var tests = []struct {
+		s        kubeadmapi.Secrets
+		expected bool
+	}{
+		{kubeadmapi.Secrets{GivenToken: "noperiod"}, false}, // not 2-part '.' format
+		{kubeadmapi.Secrets{GivenToken: "abcd.a"}, false},   // len(tokenID) != 6
+		{kubeadmapi.Secrets{GivenToken: "abcdef.a"}, true},
+		{kubeadmapi.Secrets{GivenToken: ""}, true},
+	}
+	for _, rt := range tests {
+		actual := CreateTokenAuthFile(&rt.s)
+		if (actual == nil) != rt.expected {
+			t.Errorf(
+				"failed WriteKubeconfigIfNotExists with an error:\n\texpected: %t\n\t  actual: %t",
+				rt.expected,
+				(actual == nil),
+			)
+		}
+	}
+}