github.com/sgoings/helm@v2.0.0-alpha.2.0.20170406211108-734e92851ac3+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  	old := homePath()
    89  	helmHome = thome
    90  	defer func() {
    91  		helmHome = old
    92  		os.RemoveAll(thome)
    93  	}()
    94  
    95  	// Create a starter.
    96  	starterchart := filepath.Join(thome, "starters")
    97  	os.Mkdir(starterchart, 0755)
    98  	if dest, err := chartutil.Create(&chart.Metadata{Name: "starterchart"}, starterchart); err != nil {
    99  		t.Fatalf("Could not create chart: %s", err)
   100  	} else {
   101  		t.Logf("Created %s", dest)
   102  	}
   103  	tplpath := filepath.Join(starterchart, "starterchart", "templates", "foo.tpl")
   104  	if err := ioutil.WriteFile(tplpath, []byte("test"), 0755); err != nil {
   105  		t.Fatalf("Could not write template: %s", err)
   106  	}
   107  
   108  	// CD into it
   109  	pwd, err := os.Getwd()
   110  	if err != nil {
   111  		t.Fatal(err)
   112  	}
   113  	if err := os.Chdir(tdir); err != nil {
   114  		t.Fatal(err)
   115  	}
   116  	defer os.Chdir(pwd)
   117  
   118  	// Run a create
   119  	cmd := newCreateCmd(os.Stdout)
   120  	cmd.ParseFlags([]string{"--starter", "starterchart"})
   121  	if err := cmd.RunE(cmd, []string{cname}); err != nil {
   122  		t.Errorf("Failed to run create: %s", err)
   123  		return
   124  	}
   125  
   126  	// Test that the chart is there
   127  	if fi, err := os.Stat(cname); err != nil {
   128  		t.Fatalf("no chart directory: %s", err)
   129  	} else if !fi.IsDir() {
   130  		t.Fatalf("chart is not directory")
   131  	}
   132  
   133  	c, err := chartutil.LoadDir(cname)
   134  	if err != nil {
   135  		t.Fatal(err)
   136  	}
   137  
   138  	if c.Metadata.Name != cname {
   139  		t.Errorf("Expected %q name, got %q", cname, c.Metadata.Name)
   140  	}
   141  	if c.Metadata.ApiVersion != chartutil.ApiVersionV1 {
   142  		t.Errorf("Wrong API version: %q", c.Metadata.ApiVersion)
   143  	}
   144  
   145  	if l := len(c.Templates); l != 5 {
   146  		t.Errorf("Expected 5 templates, got %d", l)
   147  	}
   148  
   149  	found := false
   150  	for _, tpl := range c.Templates {
   151  		if tpl.Name == "templates/foo.tpl" {
   152  			found = true
   153  			data := tpl.Data
   154  			if string(data) != "test" {
   155  				t.Errorf("Expected template 'test', got %q", string(data))
   156  			}
   157  		}
   158  	}
   159  	if !found {
   160  		t.Error("Did not find foo.tpl")
   161  	}
   162  
   163  }