github.com/koderover/helm@v2.17.0+incompatible/pkg/chartutil/expand_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 chartutil
    18  
    19  import (
    20  	"io/ioutil"
    21  	"os"
    22  	"path/filepath"
    23  	"testing"
    24  )
    25  
    26  func TestExpand(t *testing.T) {
    27  	dest, err := ioutil.TempDir("", "helm-testing-")
    28  	if err != nil {
    29  		t.Fatal(err)
    30  	}
    31  	defer os.RemoveAll(dest)
    32  
    33  	reader, err := os.Open("testdata/frobnitz-1.2.3.tgz")
    34  	if err != nil {
    35  		t.Fatal(err)
    36  	}
    37  
    38  	if err := Expand(dest, reader); err != nil {
    39  		t.Fatal(err)
    40  	}
    41  
    42  	files, err := ioutil.ReadDir(dest)
    43  	if err != nil {
    44  		t.Fatalf("error reading output directory %s: %s", dest, err)
    45  	}
    46  
    47  	if len(files) != 1 {
    48  		t.Fatalf("expected a single chart directory in output directory %s", dest)
    49  	}
    50  
    51  	if !files[0].IsDir() {
    52  		t.Fatalf("expected a chart directory in output directory %s", dest)
    53  	}
    54  
    55  	expectedChartPath := filepath.Join(dest, "frobnitz")
    56  	fi, err := os.Stat(expectedChartPath)
    57  	if err != nil {
    58  		t.Fatal(err)
    59  	}
    60  	if !fi.IsDir() {
    61  		t.Fatalf("expected a chart directory at %s", expectedChartPath)
    62  	}
    63  
    64  	dir, err := os.Open(expectedChartPath)
    65  	if err != nil {
    66  		t.Fatal(err)
    67  	}
    68  
    69  	fis, err := dir.Readdir(0)
    70  	if err != nil {
    71  		t.Fatal(err)
    72  	}
    73  
    74  	expectLen := 12
    75  	if len(fis) != expectLen {
    76  		t.Errorf("Expected %d files, but got %d", expectLen, len(fis))
    77  	}
    78  
    79  	for _, fi := range fis {
    80  		expect, err := os.Stat(filepath.Join("testdata", "frobnitz", fi.Name()))
    81  		if err != nil {
    82  			t.Fatal(err)
    83  		}
    84  		if fi.Size() != expect.Size() {
    85  			t.Errorf("Expected %s to have size %d, got %d", fi.Name(), expect.Size(), fi.Size())
    86  		}
    87  	}
    88  }
    89  
    90  func TestExpandFile(t *testing.T) {
    91  	dest, err := ioutil.TempDir("", "helm-testing-")
    92  	if err != nil {
    93  		t.Fatal(err)
    94  	}
    95  	defer os.RemoveAll(dest)
    96  
    97  	if err := ExpandFile(dest, "testdata/frobnitz-1.2.3.tgz"); err != nil {
    98  		t.Fatal(err)
    99  	}
   100  
   101  	expectedChartPath := filepath.Join(dest, "frobnitz")
   102  	fi, err := os.Stat(expectedChartPath)
   103  	if err != nil {
   104  		t.Fatal(err)
   105  	}
   106  	if !fi.IsDir() {
   107  		t.Fatalf("expected a chart directory at %s", expectedChartPath)
   108  	}
   109  
   110  	dir, err := os.Open(expectedChartPath)
   111  	if err != nil {
   112  		t.Fatal(err)
   113  	}
   114  
   115  	fis, err := dir.Readdir(0)
   116  	if err != nil {
   117  		t.Fatal(err)
   118  	}
   119  
   120  	expectLen := 12
   121  	if len(fis) != expectLen {
   122  		t.Errorf("Expected %d files, but got %d", expectLen, len(fis))
   123  	}
   124  
   125  	for _, fi := range fis {
   126  		expect, err := os.Stat(filepath.Join("testdata", "frobnitz", fi.Name()))
   127  		if err != nil {
   128  			t.Fatal(err)
   129  		}
   130  		if fi.Size() != expect.Size() {
   131  			t.Errorf("Expected %s to have size %d, got %d", fi.Name(), expect.Size(), fi.Size())
   132  		}
   133  	}
   134  }