github.com/sdbaiguanghe/helm@v2.16.7+incompatible/cmd/helm/lint_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 main
    18  
    19  import (
    20  	"bytes"
    21  	"fmt"
    22  	"testing"
    23  )
    24  
    25  func TestLintChart(t *testing.T) {
    26  	tests := []struct {
    27  		name      string
    28  		chartPath string
    29  		err       bool
    30  	}{
    31  		{
    32  			name:      "decompressed-chart",
    33  			chartPath: "testdata/testcharts/decompressedchart/",
    34  		},
    35  		{
    36  			name:      "archived-chart-path",
    37  			chartPath: "testdata/testcharts/compressedchart-0.1.0.tgz",
    38  		},
    39  		{
    40  			name:      "archived-chart-path-with-hyphens",
    41  			chartPath: "testdata/testcharts/compressedchart-with-hyphens-0.1.0.tgz",
    42  		},
    43  		{
    44  			name:      "pre-release-chart",
    45  			chartPath: "testdata/testcharts/pre-release-chart-0.1.0-alpha.tgz",
    46  		},
    47  		{
    48  			name:      "invalid-archived-chart-path",
    49  			chartPath: "testdata/testcharts/invalidcompressedchart0.1.0.tgz",
    50  			err:       true,
    51  		},
    52  		{
    53  			name:      "chart-missing-manifest",
    54  			chartPath: "testdata/testcharts/chart-missing-manifest",
    55  			err:       true,
    56  		},
    57  	}
    58  
    59  	values := []byte{}
    60  	namespace := "testNamespace"
    61  	strict := false
    62  
    63  	for _, tt := range tests {
    64  		t.Run(tt.name, func(t *testing.T) {
    65  			_, err := lintChart(tt.chartPath, values, namespace, strict)
    66  			switch {
    67  			case err != nil && !tt.err:
    68  				t.Errorf("%s", err)
    69  			case err == nil && tt.err:
    70  				t.Errorf("Expected a chart parsing error")
    71  			}
    72  		})
    73  	}
    74  }
    75  
    76  func TestLinRunForNonExistentChart(t *testing.T) {
    77  	t.Run("should error out for non existent tgz chart", func(t *testing.T) {
    78  		testCharts := []string{"non-existent-chart.tgz"}
    79  		testLint := &lintCmd{
    80  			paths: testCharts,
    81  			out:   bytes.NewBufferString(""),
    82  		}
    83  		expectedErr := fmt.Errorf("0 chart(s) linted, 1 chart(s) failed")
    84  		err := testLint.run()
    85  		if err == nil {
    86  			t.Errorf("expected error but got no error")
    87  		}
    88  		if err != nil && (err.Error() != expectedErr.Error()) {
    89  			t.Errorf("expected: \"%v\" , but got: \"%v\"", expectedErr, err)
    90  		}
    91  	})
    92  
    93  	t.Run("should error out for corrupted tgz chart", func(t *testing.T) {
    94  		var corruptedTgzChart = "testdata/testcharts/corrupted-compressed-chart.tgz"
    95  		testCharts := []string{corruptedTgzChart}
    96  		testLint := &lintCmd{
    97  			paths: testCharts,
    98  			out:   bytes.NewBufferString(""),
    99  		}
   100  		expectedErr := fmt.Errorf("0 chart(s) linted, 1 chart(s) failed")
   101  		err := testLint.run()
   102  		if err == nil {
   103  			t.Errorf("expected error but got no error")
   104  		}
   105  		if err != nil && (err.Error() != expectedErr.Error()) {
   106  			t.Errorf("expected: \"%v\" , but got: \"%v\"", expectedErr, err)
   107  		}
   108  	})
   109  }