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|
# RUN: %{python} %s
import unittest
from lit.ShUtil import Command, Pipeline, Seq, ShLexer, ShParser
class TestShLexer(unittest.TestCase):
def lex(self, str, *args, **kwargs):
return list(ShLexer(str, *args, **kwargs).lex())
def test_basic(self):
self.assertEqual(
self.lex("a|b>c&d<e;f"),
["a", ("|",), "b", (">",), "c", ("&",), "d", ("<",), "e", (";",), "f"],
)
def test_redirection_tokens(self):
self.assertEqual(self.lex("a2>c"), ["a2", (">",), "c"])
self.assertEqual(self.lex("a 2>c"), ["a", (">", 2), "c"])
def test_quoting(self):
self.assertEqual(self.lex(""" 'a' """), ["a"])
self.assertEqual(self.lex(""" "hello\\"world" """), ['hello"world'])
self.assertEqual(self.lex(""" "hello\\'world" """), ["hello\\'world"])
self.assertEqual(self.lex(""" "hello\\\\world" """), ["hello\\world"])
self.assertEqual(self.lex(""" he"llo wo"rld """), ["hello world"])
self.assertEqual(self.lex(""" a\\ b a\\\\b """), ["a b", "a\\b"])
self.assertEqual(self.lex(""" "" "" """), ["", ""])
self.assertEqual(self.lex(""" a\\ b """, win32Escapes=True), ["a\\", "b"])
class TestShParse(unittest.TestCase):
def parse(self, str):
return ShParser(str).parse()
def test_basic(self):
self.assertEqual(
self.parse("echo hello"), Pipeline([Command(["echo", "hello"], [])], False)
)
self.assertEqual(
self.parse('echo ""'), Pipeline([Command(["echo", ""], [])], False)
)
self.assertEqual(
self.parse("""echo -DFOO='a'"""),
Pipeline([Command(["echo", "-DFOO=a"], [])], False),
)
self.assertEqual(
self.parse('echo -DFOO="a"'),
Pipeline([Command(["echo", "-DFOO=a"], [])], False),
)
def test_redirection(self):
self.assertEqual(
self.parse("echo hello > c"),
Pipeline([Command(["echo", "hello"], [(((">"),), "c")])], False),
)
self.assertEqual(
self.parse("echo hello > c >> d"),
Pipeline(
[Command(["echo", "hello"], [((">",), "c"), ((">>",), "d")])], False
),
)
self.assertEqual(
self.parse("a 2>&1"), Pipeline([Command(["a"], [((">&", 2), "1")])], False)
)
def test_pipeline(self):
self.assertEqual(
self.parse("a | b"),
Pipeline([Command(["a"], []), Command(["b"], [])], False),
)
self.assertEqual(
self.parse("a | b | c"),
Pipeline(
[Command(["a"], []), Command(["b"], []), Command(["c"], [])], False
),
)
def test_list(self):
self.assertEqual(
self.parse("a ; b"),
Seq(
Pipeline([Command(["a"], [])], False),
";",
Pipeline([Command(["b"], [])], False),
),
)
self.assertEqual(
self.parse("a & b"),
Seq(
Pipeline([Command(["a"], [])], False),
"&",
Pipeline([Command(["b"], [])], False),
),
)
self.assertEqual(
self.parse("a && b"),
Seq(
Pipeline([Command(["a"], [])], False),
"&&",
Pipeline([Command(["b"], [])], False),
),
)
self.assertEqual(
self.parse("a || b"),
Seq(
Pipeline([Command(["a"], [])], False),
"||",
Pipeline([Command(["b"], [])], False),
),
)
self.assertEqual(
self.parse("a && b || c"),
Seq(
Seq(
Pipeline([Command(["a"], [])], False),
"&&",
Pipeline([Command(["b"], [])], False),
),
"||",
Pipeline([Command(["c"], [])], False),
),
)
self.assertEqual(
self.parse("a; b"),
Seq(
Pipeline([Command(["a"], [])], False),
";",
Pipeline([Command(["b"], [])], False),
),
)
if __name__ == "__main__":
unittest.main()
|
