github.com/koderover/helm@v2.17.0+incompatible/pkg/tiller/environment/environment_test.go (about)

     1  /*
     2  Copyright The Helm Authors.
     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  	v1 "k8s.io/api/core/v1"
    26  	"k8s.io/cli-runtime/pkg/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) DeleteWithTimeout(ns string, r io.Reader, timeout int64, shouldWait bool) error {
    53  	return nil
    54  }
    55  func (k *mockKubeClient) Update(ns string, currentReader, modifiedReader io.Reader, force bool, recreate bool, timeout int64, shouldWait bool) error {
    56  	return nil
    57  }
    58  func (k *mockKubeClient) UpdateWithOptions(ns string, currentReader, modifiedReader io.Reader, opts kube.UpdateOptions) error {
    59  	return nil
    60  }
    61  func (k *mockKubeClient) WatchUntilReady(ns string, r io.Reader, timeout int64, shouldWait bool) error {
    62  	return nil
    63  }
    64  func (k *mockKubeClient) Build(ns string, reader io.Reader) (kube.Result, error) {
    65  	return []*resource.Info{}, nil
    66  }
    67  func (k *mockKubeClient) BuildUnstructured(ns string, reader io.Reader) (kube.Result, error) {
    68  	return []*resource.Info{}, nil
    69  }
    70  func (k *mockKubeClient) Validate(ns string, reader io.Reader) error {
    71  	return nil
    72  }
    73  func (k *mockKubeClient) WaitAndGetCompletedPodPhase(namespace string, reader io.Reader, timeout time.Duration) (v1.PodPhase, error) {
    74  	return v1.PodUnknown, nil
    75  }
    76  
    77  func (k *mockKubeClient) WaitAndGetCompletedPodStatus(namespace string, reader io.Reader, timeout time.Duration) (v1.PodPhase, error) {
    78  	return "", nil
    79  }
    80  
    81  func (k *mockKubeClient) GetPodLogs(name, namespace string) (io.ReadCloser, error) {
    82  	return nil, nil
    83  }
    84  
    85  func (k *mockKubeClient) WaitUntilCRDEstablished(reader io.Reader, timeout time.Duration) error {
    86  	return nil
    87  }
    88  
    89  var _ Engine = &mockEngine{}
    90  var _ KubeClient = &mockKubeClient{}
    91  var _ KubeClient = &PrintingKubeClient{}
    92  
    93  func TestEngine(t *testing.T) {
    94  	eng := &mockEngine{out: map[string]string{"albatross": "test"}}
    95  
    96  	env := New()
    97  	env.EngineYard = EngineYard(map[string]Engine{"test": eng})
    98  
    99  	if engine, ok := env.EngineYard.Get("test"); !ok {
   100  		t.Errorf("failed to get engine from EngineYard")
   101  	} else if out, err := engine.Render(&chart.Chart{}, map[string]interface{}{}); err != nil {
   102  		t.Errorf("unexpected template error: %s", err)
   103  	} else if out["albatross"] != "test" {
   104  		t.Errorf("expected 'test', got %q", out["albatross"])
   105  	}
   106  }
   107  
   108  func TestKubeClient(t *testing.T) {
   109  	kc := &mockKubeClient{}
   110  	env := New()
   111  	env.KubeClient = kc
   112  
   113  	manifests := map[string]string{
   114  		"foo": "name: value\n",
   115  		"bar": "name: value\n",
   116  	}
   117  
   118  	b := bytes.NewBuffer(nil)
   119  	for _, content := range manifests {
   120  		b.WriteString("\n---\n")
   121  		b.WriteString(content)
   122  	}
   123  
   124  	if err := env.KubeClient.Create("sharry-bobbins", b, 300, false); err != nil {
   125  		t.Errorf("Kubeclient failed: %s", err)
   126  	}
   127  }