github.com/brockwood/helm@v2.8.0-rc.1.0.20180112204834-077be881c4cc+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/proto/hapi/chart"
    27  )
    28  
    29  func TestCreateCmd(t *testing.T) {
    30  	cname := "testchart"
    31  	// Make a temp dir
    32  	tdir, err := ioutil.TempDir("", "helm-create-")
    33  	if err != nil {
    34  		t.Fatal(err)
    35  	}
    36  	defer os.Remove(tdir)
    37  
    38  	// CD into it
    39  	pwd, err := os.Getwd()
    40  	if err != nil {
    41  		t.Fatal(err)
    42  	}
    43  	if err := os.Chdir(tdir); err != nil {
    44  		t.Fatal(err)
    45  	}
    46  	defer os.Chdir(pwd)
    47  
    48  	// Run a create
    49  	cmd := newCreateCmd(os.Stdout)
    50  	if err := cmd.RunE(cmd, []string{cname}); err != nil {
    51  		t.Errorf("Failed to run create: %s", err)
    52  		return
    53  	}
    54  
    55  	// Test that the chart is there
    56  	if fi, err := os.Stat(cname); err != nil {
    57  		t.Fatalf("no chart directory: %s", err)
    58  	} else if !fi.IsDir() {
    59  		t.Fatalf("chart is not directory")
    60  	}
    61  
    62  	c, err := chartutil.LoadDir(cname)
    63  	if err != nil {
    64  		t.Fatal(err)
    65  	}
    66  
    67  	if c.Metadata.Name != cname {
    68  		t.Errorf("Expected %q name, got %q", cname, c.Metadata.Name)
    69  	}
    70  	if c.Metadata.ApiVersion != chartutil.ApiVersionV1 {
    71  		t.Errorf("Wrong API version: %q", c.Metadata.ApiVersion)
    72  	}
    73  }
    74  
    75  func TestCreateStarterCmd(t *testing.T) {
    76  	cname := "testchart"
    77  	// Make a temp dir
    78  	tdir, err := ioutil.TempDir("", "helm-create-")
    79  	if err != nil {
    80  		t.Fatal(err)
    81  	}
    82  	defer os.Remove(tdir)
    83  
    84  	thome, err := tempHelmHome(t)
    85  	if err != nil {
    86  		t.Fatal(err)
    87  	}
    88  	cleanup := resetEnv()
    89  	defer func() {
    90  		os.RemoveAll(thome.String())
    91  		cleanup()
    92  	}()
    93  
    94  	settings.Home = thome
    95  
    96  	// Create a starter.
    97  	starterchart := filepath.Join(thome.String(), "starters")
    98  	os.Mkdir(starterchart, 0755)
    99  	if dest, err := chartutil.Create(&chart.Metadata{Name: "starterchart"}, starterchart); err != nil {
   100  		t.Fatalf("Could not create chart: %s", err)
   101  	} else {
   102  		t.Logf("Created %s", dest)
   103  	}
   104  	tplpath := filepath.Join(starterchart, "starterchart", "templates", "foo.tpl")
   105  	if err := ioutil.WriteFile(tplpath, []byte("test"), 0755); err != nil {
   106  		t.Fatalf("Could not write template: %s", err)
   107  	}
   108  
   109  	// CD into it
   110  	pwd, err := os.Getwd()
   111  	if err != nil {
   112  		t.Fatal(err)
   113  	}
   114  	if err := os.Chdir(tdir); err != nil {
   115  		t.Fatal(err)
   116  	}
   117  	defer os.Chdir(pwd)
   118  
   119  	// Run a create
   120  	cmd := newCreateCmd(os.Stdout)
   121  	cmd.ParseFlags([]string{"--starter", "starterchart"})
   122  	if err := cmd.RunE(cmd, []string{cname}); err != nil {
   123  		t.Errorf("Failed to run create: %s", err)
   124  		return
   125  	}
   126  
   127  	// Test that the chart is there
   128  	if fi, err := os.Stat(cname); err != nil {
   129  		t.Fatalf("no chart directory: %s", err)
   130  	} else if !fi.IsDir() {
   131  		t.Fatalf("chart is not directory")
   132  	}
   133  
   134  	c, err := chartutil.LoadDir(cname)
   135  	if err != nil {
   136  		t.Fatal(err)
   137  	}
   138  
   139  	if c.Metadata.Name != cname {
   140  		t.Errorf("Expected %q name, got %q", cname, c.Metadata.Name)
   141  	}
   142  	if c.Metadata.ApiVersion != chartutil.ApiVersionV1 {
   143  		t.Errorf("Wrong API version: %q", c.Metadata.ApiVersion)
   144  	}
   145  
   146  	if l := len(c.Templates); l != 6 {
   147  		t.Errorf("Expected 5 templates, got %d", l)
   148  	}
   149  
   150  	found := false
   151  	for _, tpl := range c.Templates {
   152  		if tpl.Name == "templates/foo.tpl" {
   153  			found = true
   154  			data := tpl.Data
   155  			if string(data) != "test" {
   156  				t.Errorf("Expected template 'test', got %q", string(data))
   157  			}
   158  		}
   159  	}
   160  	if !found {
   161  		t.Error("Did not find foo.tpl")
   162  	}
   163  
   164  }