github.com/darkowlzz/helm@v2.5.1-0.20171213183701-6707fe0468d4+incompatible/pkg/tiller/environment/environment_test.go (about)

     1  /*
     2  Copyright 2016 The Kubernetes Authors All rights reserved.
     3  
     4  Licensed under the Apache License, Version 2.0 (the "License");
     5  you may not use this file except in compliance with the License.
     6  You may obtain a copy of the License at
     7  
     8      http://www.apache.org/licenses/LICENSE-2.0
     9  
    10  Unless required by applicable law or agreed to in writing, software
    11  distributed under the License is distributed on an "AS IS" BASIS,
    12  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    13  See the License for the specific language governing permissions and
    14  limitations under the License.
    15  */
    16  
    17  package environment
    18  
    19  import (
    20  	"bytes"
    21  	"io"
    22  	"testing"
    23  	"time"
    24  
    25  	"k8s.io/kubernetes/pkg/api"
    26  	"k8s.io/kubernetes/pkg/kubectl/resource"
    27  
    28  	"k8s.io/helm/pkg/chartutil"
    29  	"k8s.io/helm/pkg/kube"
    30  	"k8s.io/helm/pkg/proto/hapi/chart"
    31  )
    32  
    33  type mockEngine struct {
    34  	out map[string]string
    35  }
    36  
    37  func (e *mockEngine) Render(chrt *chart.Chart, v chartutil.Values) (map[string]string, error) {
    38  	return e.out, nil
    39  }
    40  
    41  type mockKubeClient struct{}
    42  
    43  func (k *mockKubeClient) Create(ns string, r io.Reader, timeout int64, shouldWait bool) error {
    44  	return nil
    45  }
    46  func (k *mockKubeClient) Get(ns string, r io.Reader) (string, error) {
    47  	return "", nil
    48  }
    49  func (k *mockKubeClient) Delete(ns string, r io.Reader) error {
    50  	return nil
    51  }
    52  func (k *mockKubeClient) Update(ns string, currentReader, modifiedReader io.Reader, force bool, recreate bool, timeout int64, shouldWait bool) error {
    53  	return nil
    54  }
    55  func (k *mockKubeClient) WatchUntilReady(ns string, r io.Reader, timeout int64, shouldWait bool) error {
    56  	return nil
    57  }
    58  func (k *mockKubeClient) Build(ns string, reader io.Reader) (kube.Result, error) {
    59  	return []*resource.Info{}, nil
    60  }
    61  func (k *mockKubeClient) BuildUnstructured(ns string, reader io.Reader) (kube.Result, error) {
    62  	return []*resource.Info{}, nil
    63  }
    64  func (k *mockKubeClient) WaitAndGetCompletedPodPhase(namespace string, reader io.Reader, timeout time.Duration) (api.PodPhase, error) {
    65  	return api.PodUnknown, nil
    66  }
    67  
    68  func (k *mockKubeClient) WaitAndGetCompletedPodStatus(namespace string, reader io.Reader, timeout time.Duration) (api.PodPhase, error) {
    69  	return "", nil
    70  }
    71  
    72  var _ Engine = &mockEngine{}
    73  var _ KubeClient = &mockKubeClient{}
    74  var _ KubeClient = &PrintingKubeClient{}
    75  
    76  func TestEngine(t *testing.T) {
    77  	eng := &mockEngine{out: map[string]string{"albatross": "test"}}
    78  
    79  	env := New()
    80  	env.EngineYard = EngineYard(map[string]Engine{"test": eng})
    81  
    82  	if engine, ok := env.EngineYard.Get("test"); !ok {
    83  		t.Errorf("failed to get engine from EngineYard")
    84  	} else if out, err := engine.Render(&chart.Chart{}, map[string]interface{}{}); err != nil {
    85  		t.Errorf("unexpected template error: %s", err)
    86  	} else if out["albatross"] != "test" {
    87  		t.Errorf("expected 'test', got %q", out["albatross"])
    88  	}
    89  }
    90  
    91  func TestKubeClient(t *testing.T) {
    92  	kc := &mockKubeClient{}
    93  	env := New()
    94  	env.KubeClient = kc
    95  
    96  	manifests := map[string]string{
    97  		"foo": "name: value\n",
    98  		"bar": "name: value\n",
    99  	}
   100  
   101  	b := bytes.NewBuffer(nil)
   102  	for _, content := range manifests {
   103  		b.WriteString("\n---\n")
   104  		b.WriteString(content)
   105  	}
   106  
   107  	if err := env.KubeClient.Create("sharry-bobbins", b, 300, false); err != nil {
   108  		t.Errorf("Kubeclient failed: %s", err)
   109  	}
   110  }