| Brian Gesiak | 8d89c3c | 2016-10-12 03:35:04 +0000 | [diff] [blame] | 1 | # RUN: %{python} %s |
| 2 | |
| 3 | import unittest |
| 4 | |
| 5 | from lit.ShUtil import Command, Pipeline, Seq, ShLexer, ShParser |
| 6 | |
| 7 | |
| 8 | class TestShLexer(unittest.TestCase): |
| 9 | def lex(self, str, *args, **kwargs): |
| 10 | return list(ShLexer(str, *args, **kwargs).lex()) |
| 11 | |
| 12 | def test_basic(self): |
| 13 | self.assertEqual(self.lex('a|b>c&d<e;f'), |
| 14 | ['a', ('|',), 'b', ('>',), 'c', ('&',), 'd', |
| 15 | ('<',), 'e', (';',), 'f']) |
| 16 | |
| 17 | def test_redirection_tokens(self): |
| 18 | self.assertEqual(self.lex('a2>c'), |
| 19 | ['a2', ('>',), 'c']) |
| 20 | self.assertEqual(self.lex('a 2>c'), |
| 21 | ['a', ('>',2), 'c']) |
| 22 | |
| 23 | def test_quoting(self): |
| 24 | self.assertEqual(self.lex(""" 'a' """), |
| 25 | ['a']) |
| 26 | self.assertEqual(self.lex(""" "hello\\"world" """), |
| 27 | ['hello"world']) |
| 28 | self.assertEqual(self.lex(""" "hello\\'world" """), |
| 29 | ["hello\\'world"]) |
| 30 | self.assertEqual(self.lex(""" "hello\\\\world" """), |
| 31 | ["hello\\world"]) |
| 32 | self.assertEqual(self.lex(""" he"llo wo"rld """), |
| 33 | ["hello world"]) |
| 34 | self.assertEqual(self.lex(""" a\\ b a\\\\b """), |
| 35 | ["a b", "a\\b"]) |
| 36 | self.assertEqual(self.lex(""" "" "" """), |
| 37 | ["", ""]) |
| 38 | self.assertEqual(self.lex(""" a\\ b """, win32Escapes = True), |
| 39 | ['a\\', 'b']) |
| 40 | |
| 41 | class TestShParse(unittest.TestCase): |
| 42 | def parse(self, str): |
| 43 | return ShParser(str).parse() |
| 44 | |
| 45 | def test_basic(self): |
| 46 | self.assertEqual(self.parse('echo hello'), |
| 47 | Pipeline([Command(['echo', 'hello'], [])], False)) |
| 48 | self.assertEqual(self.parse('echo ""'), |
| 49 | Pipeline([Command(['echo', ''], [])], False)) |
| 50 | self.assertEqual(self.parse("""echo -DFOO='a'"""), |
| 51 | Pipeline([Command(['echo', '-DFOO=a'], [])], False)) |
| 52 | self.assertEqual(self.parse('echo -DFOO="a"'), |
| 53 | Pipeline([Command(['echo', '-DFOO=a'], [])], False)) |
| 54 | |
| 55 | def test_redirection(self): |
| 56 | self.assertEqual(self.parse('echo hello > c'), |
| 57 | Pipeline([Command(['echo', 'hello'], |
| 58 | [((('>'),), 'c')])], False)) |
| 59 | self.assertEqual(self.parse('echo hello > c >> d'), |
| 60 | Pipeline([Command(['echo', 'hello'], [(('>',), 'c'), |
| 61 | (('>>',), 'd')])], False)) |
| 62 | self.assertEqual(self.parse('a 2>&1'), |
| 63 | Pipeline([Command(['a'], [(('>&',2), '1')])], False)) |
| 64 | |
| 65 | def test_pipeline(self): |
| 66 | self.assertEqual(self.parse('a | b'), |
| 67 | Pipeline([Command(['a'], []), |
| 68 | Command(['b'], [])], |
| 69 | False)) |
| 70 | |
| 71 | self.assertEqual(self.parse('a | b | c'), |
| 72 | Pipeline([Command(['a'], []), |
| 73 | Command(['b'], []), |
| 74 | Command(['c'], [])], |
| 75 | False)) |
| 76 | |
| 77 | def test_list(self): |
| 78 | self.assertEqual(self.parse('a ; b'), |
| 79 | Seq(Pipeline([Command(['a'], [])], False), |
| 80 | ';', |
| 81 | Pipeline([Command(['b'], [])], False))) |
| 82 | |
| 83 | self.assertEqual(self.parse('a & b'), |
| 84 | Seq(Pipeline([Command(['a'], [])], False), |
| 85 | '&', |
| 86 | Pipeline([Command(['b'], [])], False))) |
| 87 | |
| 88 | self.assertEqual(self.parse('a && b'), |
| 89 | Seq(Pipeline([Command(['a'], [])], False), |
| 90 | '&&', |
| 91 | Pipeline([Command(['b'], [])], False))) |
| 92 | |
| 93 | self.assertEqual(self.parse('a || b'), |
| 94 | Seq(Pipeline([Command(['a'], [])], False), |
| 95 | '||', |
| 96 | Pipeline([Command(['b'], [])], False))) |
| 97 | |
| 98 | self.assertEqual(self.parse('a && b || c'), |
| 99 | Seq(Seq(Pipeline([Command(['a'], [])], False), |
| 100 | '&&', |
| 101 | Pipeline([Command(['b'], [])], False)), |
| 102 | '||', |
| 103 | Pipeline([Command(['c'], [])], False))) |
| 104 | |
| 105 | self.assertEqual(self.parse('a; b'), |
| 106 | Seq(Pipeline([Command(['a'], [])], False), |
| 107 | ';', |
| 108 | Pipeline([Command(['b'], [])], False))) |
| 109 | |
| 110 | if __name__ == '__main__': |
| 111 | unittest.main() |
| 112 | |