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153 lines
3.7 KiB
153 lines
3.7 KiB
/*
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Copyright 2016 The Kubernetes Authors All rights reserved.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package environment
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import (
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"bytes"
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"io"
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"testing"
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"k8s.io/helm/pkg/chartutil"
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"k8s.io/helm/pkg/proto/hapi/chart"
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"k8s.io/helm/pkg/proto/hapi/release"
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)
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type mockEngine struct {
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out map[string]string
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}
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func (e *mockEngine) Render(chrt *chart.Chart, v chartutil.Values) (map[string]string, error) {
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return e.out, nil
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}
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type mockReleaseStorage struct {
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rel *release.Release
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}
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func (r *mockReleaseStorage) Create(v *release.Release) error {
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r.rel = v
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return nil
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}
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func (r *mockReleaseStorage) Read(k string) (*release.Release, error) {
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return r.rel, nil
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}
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func (r *mockReleaseStorage) Update(v *release.Release) error {
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r.rel = v
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return nil
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}
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func (r *mockReleaseStorage) Delete(k string) (*release.Release, error) {
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return r.rel, nil
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}
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func (r *mockReleaseStorage) List() ([]*release.Release, error) {
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return []*release.Release{}, nil
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}
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func (r *mockReleaseStorage) Query(labels map[string]string) ([]*release.Release, error) {
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return []*release.Release{}, nil
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}
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func (r *mockReleaseStorage) History(n string) ([]*release.Release, error) {
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res := []*release.Release{}
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rel, err := r.Read(n)
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if err != nil {
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return res, err
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}
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res = append(res, rel)
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return res, nil
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}
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type mockKubeClient struct {
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}
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func (k *mockKubeClient) Create(ns string, r io.Reader) error {
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return nil
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}
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func (k *mockKubeClient) Delete(ns string, r io.Reader) error {
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return nil
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}
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var _ Engine = &mockEngine{}
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var _ ReleaseStorage = &mockReleaseStorage{}
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var _ KubeClient = &mockKubeClient{}
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var _ KubeClient = &PrintingKubeClient{}
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func TestEngine(t *testing.T) {
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eng := &mockEngine{out: map[string]string{"albatross": "test"}}
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env := New()
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env.EngineYard = EngineYard(map[string]Engine{"test": eng})
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if engine, ok := env.EngineYard.Get("test"); !ok {
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t.Errorf("failed to get engine from EngineYard")
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} else if out, err := engine.Render(&chart.Chart{}, map[string]interface{}{}); err != nil {
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t.Errorf("unexpected template error: %s", err)
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} else if out["albatross"] != "test" {
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t.Errorf("expected 'test', got %q", out["albatross"])
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}
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}
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func TestReleaseStorage(t *testing.T) {
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rs := &mockReleaseStorage{}
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env := New()
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env.Releases = rs
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release := &release.Release{Name: "mariner"}
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if err := env.Releases.Create(release); err != nil {
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t.Fatalf("failed to store release: %s", err)
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}
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if err := env.Releases.Update(release); err != nil {
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t.Fatalf("failed to update release: %s", err)
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}
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if v, err := env.Releases.Read("albatross"); err != nil {
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t.Errorf("Error fetching release: %s", err)
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} else if v.Name != "mariner" {
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t.Errorf("Expected mariner, got %q", v.Name)
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}
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if _, err := env.Releases.Delete("albatross"); err != nil {
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t.Fatalf("failed to delete release: %s", err)
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}
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}
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func TestKubeClient(t *testing.T) {
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kc := &mockKubeClient{}
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env := New()
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env.KubeClient = kc
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manifests := map[string]string{
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"foo": "name: value\n",
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"bar": "name: value\n",
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}
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b := bytes.NewBuffer(nil)
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for _, content := range manifests {
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b.WriteString("\n---\n")
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b.WriteString(content)
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}
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if err := env.KubeClient.Create("sharry-bobbins", b); err != nil {
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t.Errorf("Kubeclient failed: %s", err)
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}
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}
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