github.com/sgoings/helm@v2.0.0-alpha.2.0.20170406211108-734e92851ac3+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/helm/pkg/chartutil"
    26  	"k8s.io/helm/pkg/kube"
    27  	"k8s.io/helm/pkg/proto/hapi/chart"
    28  	"k8s.io/kubernetes/pkg/api"
    29  	"k8s.io/kubernetes/pkg/kubectl/resource"
    30  )
    31  
    32  type mockEngine struct {
    33  	out map[string]string
    34  }
    35  
    36  func (e *mockEngine) Render(chrt *chart.Chart, v chartutil.Values) (map[string]string, error) {
    37  	return e.out, nil
    38  }
    39  
    40  type mockKubeClient struct{}
    41  
    42  func (k *mockKubeClient) Create(ns string, r io.Reader, timeout int64, shouldWait bool) error {
    43  	return nil
    44  }
    45  func (k *mockKubeClient) Get(ns string, r io.Reader) (string, error) {
    46  	return "", nil
    47  }
    48  func (k *mockKubeClient) Delete(ns string, r io.Reader) error {
    49  	return nil
    50  }
    51  func (k *mockKubeClient) Update(ns string, currentReader, modifiedReader io.Reader, recreate bool, timeout int64, shouldWait bool) error {
    52  	return nil
    53  }
    54  func (k *mockKubeClient) WatchUntilReady(ns string, r io.Reader, timeout int64, shouldWait bool) error {
    55  	return nil
    56  }
    57  func (k *mockKubeClient) Build(ns string, reader io.Reader) (kube.Result, error) {
    58  	return []*resource.Info{}, nil
    59  }
    60  func (k *mockKubeClient) BuildUnstructured(ns string, reader io.Reader) (kube.Result, error) {
    61  	return []*resource.Info{}, nil
    62  }
    63  func (k *mockKubeClient) WaitAndGetCompletedPodPhase(namespace string, reader io.Reader, timeout time.Duration) (api.PodPhase, error) {
    64  	return api.PodUnknown, nil
    65  }
    66  
    67  func (k *mockKubeClient) WaitAndGetCompletedPodStatus(namespace string, reader io.Reader, timeout time.Duration) (api.PodPhase, error) {
    68  	return "", nil
    69  }
    70  
    71  var _ Engine = &mockEngine{}
    72  var _ KubeClient = &mockKubeClient{}
    73  var _ KubeClient = &PrintingKubeClient{}
    74  
    75  func TestEngine(t *testing.T) {
    76  	eng := &mockEngine{out: map[string]string{"albatross": "test"}}
    77  
    78  	env := New()
    79  	env.EngineYard = EngineYard(map[string]Engine{"test": eng})
    80  
    81  	if engine, ok := env.EngineYard.Get("test"); !ok {
    82  		t.Errorf("failed to get engine from EngineYard")
    83  	} else if out, err := engine.Render(&chart.Chart{}, map[string]interface{}{}); err != nil {
    84  		t.Errorf("unexpected template error: %s", err)
    85  	} else if out["albatross"] != "test" {
    86  		t.Errorf("expected 'test', got %q", out["albatross"])
    87  	}
    88  }
    89  
    90  func TestKubeClient(t *testing.T) {
    91  	kc := &mockKubeClient{}
    92  	env := New()
    93  	env.KubeClient = kc
    94  
    95  	manifests := map[string]string{
    96  		"foo": "name: value\n",
    97  		"bar": "name: value\n",
    98  	}
    99  
   100  	b := bytes.NewBuffer(nil)
   101  	for _, content := range manifests {
   102  		b.WriteString("\n---\n")
   103  		b.WriteString(content)
   104  	}
   105  
   106  	if err := env.KubeClient.Create("sharry-bobbins", b, 300, false); err != nil {
   107  		t.Errorf("Kubeclient failed: %s", err)
   108  	}
   109  }