github.com/danielqsj/helm@v2.0.0-alpha.4.0.20160908204436-976e0ba5199b+incompatible/cmd/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  
    24  	"k8s.io/helm/pkg/chartutil"
    25  	"k8s.io/helm/pkg/proto/hapi/chart"
    26  	unversionedclient "k8s.io/kubernetes/pkg/client/unversioned"
    27  	"k8s.io/kubernetes/pkg/client/unversioned/testclient"
    28  )
    29  
    30  type mockEngine struct {
    31  	out map[string]string
    32  }
    33  
    34  func (e *mockEngine) Render(chrt *chart.Chart, v chartutil.Values) (map[string]string, error) {
    35  	return e.out, nil
    36  }
    37  
    38  type mockKubeClient struct {
    39  }
    40  
    41  func (k *mockKubeClient) APIClient() (unversionedclient.Interface, error) {
    42  	return testclient.NewSimpleFake(), nil
    43  }
    44  
    45  func (k *mockKubeClient) Create(ns string, r io.Reader) error {
    46  	return nil
    47  }
    48  func (k *mockKubeClient) Get(ns string, r io.Reader) (string, error) {
    49  	return "", nil
    50  }
    51  func (k *mockKubeClient) Delete(ns string, r io.Reader) error {
    52  	return nil
    53  }
    54  func (k *mockKubeClient) Update(ns string, currentReader, modifiedReader io.Reader) error {
    55  	return nil
    56  }
    57  func (k *mockKubeClient) WatchUntilReady(ns string, r io.Reader) error {
    58  	return nil
    59  }
    60  
    61  var _ Engine = &mockEngine{}
    62  var _ KubeClient = &mockKubeClient{}
    63  var _ KubeClient = &PrintingKubeClient{}
    64  
    65  func TestEngine(t *testing.T) {
    66  	eng := &mockEngine{out: map[string]string{"albatross": "test"}}
    67  
    68  	env := New()
    69  	env.EngineYard = EngineYard(map[string]Engine{"test": eng})
    70  
    71  	if engine, ok := env.EngineYard.Get("test"); !ok {
    72  		t.Errorf("failed to get engine from EngineYard")
    73  	} else if out, err := engine.Render(&chart.Chart{}, map[string]interface{}{}); err != nil {
    74  		t.Errorf("unexpected template error: %s", err)
    75  	} else if out["albatross"] != "test" {
    76  		t.Errorf("expected 'test', got %q", out["albatross"])
    77  	}
    78  }
    79  
    80  func TestKubeClient(t *testing.T) {
    81  	kc := &mockKubeClient{}
    82  	env := New()
    83  	env.KubeClient = kc
    84  
    85  	manifests := map[string]string{
    86  		"foo": "name: value\n",
    87  		"bar": "name: value\n",
    88  	}
    89  
    90  	b := bytes.NewBuffer(nil)
    91  	for _, content := range manifests {
    92  		b.WriteString("\n---\n")
    93  		b.WriteString(content)
    94  	}
    95  
    96  	if err := env.KubeClient.Create("sharry-bobbins", b); err != nil {
    97  		t.Errorf("Kubeclient failed: %s", err)
    98  	}
    99  }