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| 1 | +// Copyright 2019 The Kubernetes Authors. |
| 2 | +// SPDX-License-Identifier: Apache-2.0 |
| 3 | + |
| 4 | +package execplugin |
| 5 | + |
| 6 | +import ( |
| 7 | + "testing" |
| 8 | + |
| 9 | + "github.com/stretchr/testify/assert" |
| 10 | +) |
| 11 | + |
| 12 | +func TestShlexSplit(t *testing.T) { |
| 13 | + testCases := []struct { |
| 14 | + name string |
| 15 | + input string |
| 16 | + expected []string |
| 17 | + wantErr bool |
| 18 | + }{ |
| 19 | + { |
| 20 | + name: "basic space separation", |
| 21 | + input: `hello world`, |
| 22 | + expected: []string{"hello", "world"}, |
| 23 | + wantErr: false, |
| 24 | + }, |
| 25 | + { |
| 26 | + name: "double quoted string", |
| 27 | + input: `"hello world"`, |
| 28 | + expected: []string{"hello world"}, |
| 29 | + wantErr: false, |
| 30 | + }, |
| 31 | + { |
| 32 | + name: "single quoted string", |
| 33 | + input: `'hello world'`, |
| 34 | + expected: []string{"hello world"}, |
| 35 | + wantErr: false, |
| 36 | + }, |
| 37 | + { |
| 38 | + name: "mixed quotes and words", |
| 39 | + input: `hello "world test"`, |
| 40 | + expected: []string{"hello", "world test"}, |
| 41 | + wantErr: false, |
| 42 | + }, |
| 43 | + { |
| 44 | + name: "single quotes with spaces", |
| 45 | + input: `hello 'world test'`, |
| 46 | + expected: []string{"hello", "world test"}, |
| 47 | + wantErr: false, |
| 48 | + }, |
| 49 | + { |
| 50 | + name: "nested quotes - single in double", |
| 51 | + input: `"hello 'nested' world"`, |
| 52 | + expected: []string{"hello 'nested' world"}, |
| 53 | + wantErr: false, |
| 54 | + }, |
| 55 | + { |
| 56 | + name: "nested quotes - double in single", |
| 57 | + input: `'hello "nested" world'`, |
| 58 | + expected: []string{"hello \"nested\" world"}, |
| 59 | + wantErr: false, |
| 60 | + }, |
| 61 | + { |
| 62 | + name: "escaped space", |
| 63 | + input: `hello\ world`, |
| 64 | + expected: []string{"hello world"}, |
| 65 | + wantErr: false, |
| 66 | + }, |
| 67 | + { |
| 68 | + name: "escaped quotes in double quotes", |
| 69 | + input: `"hello \"world\""`, |
| 70 | + expected: []string{"hello \"world\""}, |
| 71 | + wantErr: false, |
| 72 | + }, |
| 73 | + { |
| 74 | + name: "single quote in single quotes", |
| 75 | + input: `'can'\''t'`, |
| 76 | + expected: []string{"can't"}, |
| 77 | + wantErr: false, |
| 78 | + }, |
| 79 | + { |
| 80 | + name: "complex argument list", |
| 81 | + input: `arg1 "arg 2" 'arg 3' arg4`, |
| 82 | + expected: []string{"arg1", "arg 2", "arg 3", "arg4"}, |
| 83 | + wantErr: false, |
| 84 | + }, |
| 85 | + { |
| 86 | + name: "echo command with escaped quotes", |
| 87 | + input: `echo "Hello, \"World!\""`, |
| 88 | + expected: []string{"echo", "Hello, \"World!\""}, |
| 89 | + wantErr: false, |
| 90 | + }, |
| 91 | + { |
| 92 | + name: "grep command with quoted search term", |
| 93 | + input: `grep -r "search term" /path/to/dir`, |
| 94 | + expected: []string{"grep", "-r", "search term", "/path/to/dir"}, |
| 95 | + wantErr: false, |
| 96 | + }, |
| 97 | + { |
| 98 | + name: "ls command with quoted filename", |
| 99 | + input: `ls -la "file with spaces.txt"`, |
| 100 | + expected: []string{"ls", "-la", "file with spaces.txt"}, |
| 101 | + wantErr: false, |
| 102 | + }, |
| 103 | + { |
| 104 | + name: "empty string", |
| 105 | + input: ``, |
| 106 | + expected: []string{}, |
| 107 | + wantErr: false, |
| 108 | + }, |
| 109 | + { |
| 110 | + name: "multiple spaces", |
| 111 | + input: ` multiple spaces `, |
| 112 | + expected: []string{"multiple", "spaces"}, |
| 113 | + wantErr: false, |
| 114 | + }, |
| 115 | + { |
| 116 | + name: "with comment string", |
| 117 | + input: `echo "Hello, W#orld!" ${USER} # This is a comment`, |
| 118 | + expected: []string{"echo", "Hello, W#orld!", "${USER}"}, |
| 119 | + wantErr: false, |
| 120 | + }, |
| 121 | + { |
| 122 | + name: "comment only", |
| 123 | + input: `# this line is just a comment`, |
| 124 | + expected: []string{}, |
| 125 | + wantErr: false, |
| 126 | + }, |
| 127 | + // may cause an error in shlex at python3 |
| 128 | + { |
| 129 | + name: "unclosed double quote", |
| 130 | + input: `"unclosed quote`, |
| 131 | + expected: nil, |
| 132 | + wantErr: true, |
| 133 | + }, |
| 134 | + { |
| 135 | + name: "unclosed single quote", |
| 136 | + input: `'unclosed quote`, |
| 137 | + expected: nil, |
| 138 | + wantErr: true, |
| 139 | + }, |
| 140 | + { |
| 141 | + name: "mixed unclosed quotes", |
| 142 | + input: `"mixed 'quotes`, |
| 143 | + expected: nil, |
| 144 | + wantErr: true, |
| 145 | + }, |
| 146 | + { |
| 147 | + name: "single quote closed with double quote", |
| 148 | + input: `"hello world'`, |
| 149 | + expected: nil, |
| 150 | + wantErr: true, |
| 151 | + }, |
| 152 | + { |
| 153 | + name: "double quote closed with single quote", |
| 154 | + input: `'hello world"`, |
| 155 | + expected: nil, |
| 156 | + wantErr: true, |
| 157 | + }, |
| 158 | + } |
| 159 | + |
| 160 | + // execute each test case |
| 161 | + for _, tc := range testCases { |
| 162 | + t.Run(tc.name, func(t *testing.T) { |
| 163 | + // call the ShlexSplit function |
| 164 | + result, err := ShlexSplit(tc.input) |
| 165 | + |
| 166 | + // check for expected error |
| 167 | + if tc.wantErr { |
| 168 | + if err == nil { |
| 169 | + t.Errorf("FAIL: Expected error but got none, Expected: %q\n", tc.expected) |
| 170 | + } |
| 171 | + return |
| 172 | + } |
| 173 | + |
| 174 | + if assert.NoError(t, err, "FAIL: Unexpected error %q for input %q", err, tc.input) { |
| 175 | + // check if the result matches the expected output |
| 176 | + assert.Equal(t, tc.expected, result, |
| 177 | + "FAIL: Result mismatch,Input %q, Expected %q, Got: %q\n", |
| 178 | + tc.input, tc.expected, result, |
| 179 | + ) |
| 180 | + } |
| 181 | + }) |
| 182 | + } |
| 183 | +} |
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