github.com/sgoings/helm@v2.0.0-alpha.2.0.20170406211108-734e92851ac3+incompatible/pkg/plugin/installer/vcs_installer_test.go (about)

     1  /*
     2  Copyright 2016 The Kubernetes Authors All rights reserved.
     3  Licensed under the Apache License, Version 2.0 (the "License");
     4  you may not use this file except in compliance with the License.
     5  You may obtain a copy of the License at
     6  
     7  http://www.apache.org/licenses/LICENSE-2.0
     8  
     9  Unless required by applicable law or agreed to in writing, software
    10  distributed under the License is distributed on an "AS IS" BASIS,
    11  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  See the License for the specific language governing permissions and
    13  limitations under the License.
    14  */
    15  
    16  package installer // import "k8s.io/helm/pkg/plugin/installer"
    17  
    18  import (
    19  	"io/ioutil"
    20  	"os"
    21  	"testing"
    22  
    23  	"k8s.io/helm/pkg/helm/helmpath"
    24  
    25  	"github.com/Masterminds/vcs"
    26  )
    27  
    28  var _ Installer = new(VCSInstaller)
    29  
    30  type testRepo struct {
    31  	local, remote, current string
    32  	tags, branches         []string
    33  	err                    error
    34  	vcs.Repo
    35  }
    36  
    37  func (r *testRepo) LocalPath() string           { return r.local }
    38  func (r *testRepo) Remote() string              { return r.remote }
    39  func (r *testRepo) Update() error               { return r.err }
    40  func (r *testRepo) Get() error                  { return r.err }
    41  func (r *testRepo) IsReference(string) bool     { return false }
    42  func (r *testRepo) Tags() ([]string, error)     { return r.tags, r.err }
    43  func (r *testRepo) Branches() ([]string, error) { return r.branches, r.err }
    44  func (r *testRepo) UpdateVersion(version string) error {
    45  	r.current = version
    46  	return r.err
    47  }
    48  
    49  func TestVCSInstaller(t *testing.T) {
    50  	hh, err := ioutil.TempDir("", "helm-home-")
    51  	if err != nil {
    52  		t.Fatal(err)
    53  	}
    54  	defer os.Remove(hh)
    55  
    56  	home := helmpath.Home(hh)
    57  	if err := os.MkdirAll(home.Plugins(), 0755); err != nil {
    58  		t.Fatalf("Could not create %s: %s", home.Plugins(), err)
    59  	}
    60  
    61  	source := "https://github.com/adamreese/helm-env"
    62  	repo := &testRepo{
    63  		local: "../testdata/plugdir/echo",
    64  		tags:  []string{"0.1.0", "0.1.1"},
    65  	}
    66  
    67  	i, err := NewForSource(source, "~0.1.0", home)
    68  	if err != nil {
    69  		t.Errorf("unexpected error: %s", err)
    70  	}
    71  
    72  	// ensure a VCSInstaller was returned
    73  	vcsInstaller, ok := i.(*VCSInstaller)
    74  	if !ok {
    75  		t.Error("expected a VCSInstaller")
    76  	}
    77  
    78  	// set the testRepo in the VCSInstaller
    79  	vcsInstaller.Repo = repo
    80  
    81  	if err := Install(i); err != nil {
    82  		t.Error(err)
    83  	}
    84  	if repo.current != "0.1.1" {
    85  		t.Errorf("expected version '0.1.1', got %q", repo.current)
    86  	}
    87  	if i.Path() != home.Path("plugins", "helm-env") {
    88  		t.Errorf("expected path '$HELM_HOME/plugins/helm-env', got %q", i.Path())
    89  	}
    90  }