github.com/zoumo/helm@v2.5.0+incompatible/cmd/helm/create_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 main
    18  
    19  import (
    20  	"io/ioutil"
    21  	"os"
    22  	"path/filepath"
    23  	"testing"
    24  
    25  	"k8s.io/helm/pkg/chartutil"
    26  	"k8s.io/helm/pkg/helm/environment"
    27  	"k8s.io/helm/pkg/helm/helmpath"
    28  	"k8s.io/helm/pkg/proto/hapi/chart"
    29  )
    30  
    31  func TestCreateCmd(t *testing.T) {
    32  	cname := "testchart"
    33  	// Make a temp dir
    34  	tdir, err := ioutil.TempDir("", "helm-create-")
    35  	if err != nil {
    36  		t.Fatal(err)
    37  	}
    38  	defer os.Remove(tdir)
    39  
    40  	// CD into it
    41  	pwd, err := os.Getwd()
    42  	if err != nil {
    43  		t.Fatal(err)
    44  	}
    45  	if err := os.Chdir(tdir); err != nil {
    46  		t.Fatal(err)
    47  	}
    48  	defer os.Chdir(pwd)
    49  
    50  	// Run a create
    51  	cmd := newCreateCmd(os.Stdout)
    52  	if err := cmd.RunE(cmd, []string{cname}); err != nil {
    53  		t.Errorf("Failed to run create: %s", err)
    54  		return
    55  	}
    56  
    57  	// Test that the chart is there
    58  	if fi, err := os.Stat(cname); err != nil {
    59  		t.Fatalf("no chart directory: %s", err)
    60  	} else if !fi.IsDir() {
    61  		t.Fatalf("chart is not directory")
    62  	}
    63  
    64  	c, err := chartutil.LoadDir(cname)
    65  	if err != nil {
    66  		t.Fatal(err)
    67  	}
    68  
    69  	if c.Metadata.Name != cname {
    70  		t.Errorf("Expected %q name, got %q", cname, c.Metadata.Name)
    71  	}
    72  	if c.Metadata.ApiVersion != chartutil.ApiVersionV1 {
    73  		t.Errorf("Wrong API version: %q", c.Metadata.ApiVersion)
    74  	}
    75  }
    76  
    77  func TestCreateStarterCmd(t *testing.T) {
    78  	cname := "testchart"
    79  	// Make a temp dir
    80  	tdir, err := ioutil.TempDir("", "helm-create-")
    81  	if err != nil {
    82  		t.Fatal(err)
    83  	}
    84  	defer os.Remove(tdir)
    85  
    86  	thome, err := tempHelmHome(t)
    87  	if err != nil {
    88  		t.Fatal(err)
    89  	}
    90  	old := helmpath.Home(environment.DefaultHelmHome)
    91  	settings.Home = thome
    92  	defer func() {
    93  		settings.Home = old
    94  		os.RemoveAll(thome.String())
    95  	}()
    96  
    97  	// Create a starter.
    98  	starterchart := filepath.Join(thome.String(), "starters")
    99  	os.Mkdir(starterchart, 0755)
   100  	if dest, err := chartutil.Create(&chart.Metadata{Name: "starterchart"}, starterchart); err != nil {
   101  		t.Fatalf("Could not create chart: %s", err)
   102  	} else {
   103  		t.Logf("Created %s", dest)
   104  	}
   105  	tplpath := filepath.Join(starterchart, "starterchart", "templates", "foo.tpl")
   106  	if err := ioutil.WriteFile(tplpath, []byte("test"), 0755); err != nil {
   107  		t.Fatalf("Could not write template: %s", err)
   108  	}
   109  
   110  	// CD into it
   111  	pwd, err := os.Getwd()
   112  	if err != nil {
   113  		t.Fatal(err)
   114  	}
   115  	if err := os.Chdir(tdir); err != nil {
   116  		t.Fatal(err)
   117  	}
   118  	defer os.Chdir(pwd)
   119  
   120  	// Run a create
   121  	cmd := newCreateCmd(os.Stdout)
   122  	cmd.ParseFlags([]string{"--starter", "starterchart"})
   123  	if err := cmd.RunE(cmd, []string{cname}); err != nil {
   124  		t.Errorf("Failed to run create: %s", err)
   125  		return
   126  	}
   127  
   128  	// Test that the chart is there
   129  	if fi, err := os.Stat(cname); err != nil {
   130  		t.Fatalf("no chart directory: %s", err)
   131  	} else if !fi.IsDir() {
   132  		t.Fatalf("chart is not directory")
   133  	}
   134  
   135  	c, err := chartutil.LoadDir(cname)
   136  	if err != nil {
   137  		t.Fatal(err)
   138  	}
   139  
   140  	if c.Metadata.Name != cname {
   141  		t.Errorf("Expected %q name, got %q", cname, c.Metadata.Name)
   142  	}
   143  	if c.Metadata.ApiVersion != chartutil.ApiVersionV1 {
   144  		t.Errorf("Wrong API version: %q", c.Metadata.ApiVersion)
   145  	}
   146  
   147  	if l := len(c.Templates); l != 6 {
   148  		t.Errorf("Expected 5 templates, got %d", l)
   149  	}
   150  
   151  	found := false
   152  	for _, tpl := range c.Templates {
   153  		if tpl.Name == "templates/foo.tpl" {
   154  			found = true
   155  			data := tpl.Data
   156  			if string(data) != "test" {
   157  				t.Errorf("Expected template 'test', got %q", string(data))
   158  			}
   159  		}
   160  	}
   161  	if !found {
   162  		t.Error("Did not find foo.tpl")
   163  	}
   164  
   165  }