Added unit tests

Added tests for:
- [ ] pkg/version/versions.go
- [ ] pkg/repo/repo.go

pkg/repo/repo_test.go

@@ -17,6 +17,8 @@ limitations under the License.
 package repo
 
 import "testing"
+import "io/ioutil"
+import "os"
 
 const testRepositoriesFile = "testdata/repositories.yaml"
 
@@ -116,3 +118,100 @@ func TestNewPreV1RepositoriesFile(t *testing.T) {
 		t.Errorf("expected the best charts ever. Got %#v", r.Repositories)
 	}
 }
+
+func TestRemoveRepository(t *testing.T) {
+	sampleRepository := NewRepoFile()
+	sampleRepository.Add(
+		&Entry{
+			Name:  "stable",
+			URL:   "https://example.com/stable/charts",
+			Cache: "stable-index.yaml",
+		},
+		&Entry{
+			Name:  "incubator",
+			URL:   "https://example.com/incubator",
+			Cache: "incubator-index.yaml",
+		},
+	)
+
+	removeRepository := "stable"
+	found := sampleRepository.Remove(removeRepository)
+	if !found {
+		t.Errorf("expected repository %s not found", removeRepository)
+	}
+
+	found = sampleRepository.Has(removeRepository)
+	if found {
+		t.Errorf("repository %s not deleted", removeRepository)
+	}
+}
+
+func TestUpdateRepository(t *testing.T) {
+	sampleRepository := NewRepoFile()
+	sampleRepository.Add(
+		&Entry{
+			Name:  "stable",
+			URL:   "https://example.com/stable/charts",
+			Cache: "stable-index.yaml",
+		},
+		&Entry{
+			Name:  "incubator",
+			URL:   "https://example.com/incubator",
+			Cache: "incubator-index.yaml",
+		},
+	)
+	newRepoName := "sample"
+	sampleRepository.Update(&Entry{Name: newRepoName,
+		URL:   "https://example.com/sample",
+		Cache: "sample-index.yaml",
+	})
+
+	if !sampleRepository.Has(newRepoName) {
+		t.Errorf("expected repository %s not found", newRepoName)
+	}
+	repoCount := len(sampleRepository.Repositories)
+
+	sampleRepository.Update(&Entry{Name: newRepoName,
+		URL:   "https://example.com/sample",
+		Cache: "sample-index.yaml",
+	})
+
+	if repoCount != len(sampleRepository.Repositories) {
+		t.Errorf("invalid number of repositories found %d, expected number of repositories %d", len(sampleRepository.Repositories), repoCount)
+	}
+}
+
+func TestWriteFile(t *testing.T) {
+	sampleRepository := NewRepoFile()
+	sampleRepository.Add(
+		&Entry{
+			Name:  "stable",
+			URL:   "https://example.com/stable/charts",
+			Cache: "stable-index.yaml",
+		},
+		&Entry{
+			Name:  "incubator",
+			URL:   "https://example.com/incubator",
+			Cache: "incubator-index.yaml",
+		},
+	)
+
+	repoFile, err := ioutil.TempFile("", "helm-repo")
+	if err != nil {
+		t.Errorf("failed to create test-file (%v)", err)
+	}
+	defer os.Remove(repoFile.Name())
+	if err := sampleRepository.WriteFile(repoFile.Name(), 744); err != nil {
+		t.Errorf("failed to write file (%v)", err)
+	}
+
+	repos, err := LoadRepositoriesFile(repoFile.Name())
+	if err != nil {
+		t.Errorf("failed to load file (%v)", err)
+	}
+	for _, repo := range sampleRepository.Repositories {
+		if !repos.Has(repo.Name) {
+			t.Errorf("expected repository %s not found", repo.Name)
+		}
+	}
+}

pkg/version/version_test.go

@@ -0,0 +1,47 @@
+/*
+Copyright 2016 The Kubernetes Authors All rights reserved.
+
+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 version represents the current version of the project.
+package version // import "k8s.io/helm/pkg/version"
+
+import "testing"
+import "k8s.io/helm/pkg/proto/hapi/version"
+
+func TestGetVersionProto(t *testing.T) {
+	tests := []struct {
+		version       string
+		buildMetadata string
+		gitCommit     string
+		gitTreeState  string
+		expected      version.Version
+	}{
+		{"", "", "", "", version.Version{SemVer: "", GitCommit: "", GitTreeState: ""}},
+		{"v1.0.0", "", "", "", version.Version{SemVer: "v1.0.0", GitCommit: "", GitTreeState: ""}},
+		{"v1.0.0", "79d5c5f7", "", "", version.Version{SemVer: "v1.0.0+79d5c5f7", GitCommit: "", GitTreeState: ""}},
+		{"v1.0.0", "79d5c5f7", "0d399baec2acda578a217d1aec8d7d707c71e44d", "", version.Version{SemVer: "v1.0.0+79d5c5f7", GitCommit: "0d399baec2acda578a217d1aec8d7d707c71e44d", GitTreeState: ""}},
+		{"v1.0.0", "79d5c5f7", "0d399baec2acda578a217d1aec8d7d707c71e44d", "clean", version.Version{SemVer: "v1.0.0+79d5c5f7", GitCommit: "0d399baec2acda578a217d1aec8d7d707c71e44d", GitTreeState: "clean"}},
+	}
+	for _, tt := range tests {
+		Version = tt.version
+		BuildMetadata = tt.buildMetadata
+		GitCommit = tt.gitCommit
+		GitTreeState = tt.gitTreeState
+		if versionProto := GetVersionProto(); *versionProto != tt.expected {
+			t.Errorf("expected Semver(%s), GitCommit(%s) and GitTreeState(%s) to be %v", tt.expected, tt.gitCommit, tt.gitTreeState, *versionProto)
+		}
+	}
+
+}