import io import itertools import shlex import string import unittest # The original test data set was from shellwords, by Hartmut Goebel. data = r"""x|x| foo bar|foo|bar| foo bar|foo|bar| foo bar |foo|bar| foo bar bla fasel|foo|bar|bla|fasel| x y z xxxx|x|y|z|xxxx| \x bar|\|x|bar| \ x bar|\|x|bar| \ bar|\|bar| foo \x bar|foo|\|x|bar| foo \ x bar|foo|\|x|bar| foo \ bar|foo|\|bar| foo "bar" bla|foo|"bar"|bla| "foo" "bar" "bla"|"foo"|"bar"|"bla"| "foo" bar "bla"|"foo"|bar|"bla"| "foo" bar bla|"foo"|bar|bla| foo 'bar' bla|foo|'bar'|bla| 'foo' 'bar' 'bla'|'foo'|'bar'|'bla'| 'foo' bar 'bla'|'foo'|bar|'bla'| 'foo' bar bla|'foo'|bar|bla| blurb foo"bar"bar"fasel" baz|blurb|foo"bar"bar"fasel"|baz| blurb foo'bar'bar'fasel' baz|blurb|foo'bar'bar'fasel'|baz| ""|""| ''|''| foo "" bar|foo|""|bar| foo '' bar|foo|''|bar| foo "" "" "" bar|foo|""|""|""|bar| foo '' '' '' bar|foo|''|''|''|bar| \""|\|""| "\"|"\"| "foo\ bar"|"foo\ bar"| "foo\\ bar"|"foo\\ bar"| "foo\\ bar\"|"foo\\ bar\"| "foo\\" bar\""|"foo\\"|bar|\|""| "foo\\ bar\" dfadf"|"foo\\ bar\"|dfadf"| "foo\\\ bar\" dfadf"|"foo\\\ bar\"|dfadf"| "foo\\\x bar\" dfadf"|"foo\\\x bar\"|dfadf"| "foo\x bar\" dfadf"|"foo\x bar\"|dfadf"| \''|\|''| 'foo\ bar'|'foo\ bar'| 'foo\\ bar'|'foo\\ bar'| "foo\\\x bar\" df'a\ 'df'|"foo\\\x bar\"|df'a|\|'df'| \"foo"|\|"foo"| \"foo"\x|\|"foo"|\|x| "foo\x"|"foo\x"| "foo\ "|"foo\ "| foo\ xx|foo|\|xx| foo\ x\x|foo|\|x|\|x| foo\ x\x\""|foo|\|x|\|x|\|""| "foo\ x\x"|"foo\ x\x"| "foo\ x\x\\"|"foo\ x\x\\"| "foo\ x\x\\""foobar"|"foo\ x\x\\"|"foobar"| "foo\ x\x\\"\''"foobar"|"foo\ x\x\\"|\|''|"foobar"| "foo\ x\x\\"\'"fo'obar"|"foo\ x\x\\"|\|'"fo'|obar"| "foo\ x\x\\"\'"fo'obar" 'don'\''t'|"foo\ x\x\\"|\|'"fo'|obar"|'don'|\|''|t'| 'foo\ bar'|'foo\ bar'| 'foo\\ bar'|'foo\\ bar'| foo\ bar|foo|\|bar| foo#bar\nbaz|foobaz| :-) ;-)|:|-|)|;|-|)| áéíóú|á|é|í|ó|ú| """ posix_data = r"""x|x| foo bar|foo|bar| foo bar|foo|bar| foo bar |foo|bar| foo bar bla fasel|foo|bar|bla|fasel| x y z xxxx|x|y|z|xxxx| \x bar|x|bar| \ x bar| x|bar| \ bar| bar| foo \x bar|foo|x|bar| foo \ x bar|foo| x|bar| foo \ bar|foo| bar| foo "bar" bla|foo|bar|bla| "foo" "bar" "bla"|foo|bar|bla| "foo" bar "bla"|foo|bar|bla| "foo" bar bla|foo|bar|bla| foo 'bar' bla|foo|bar|bla| 'foo' 'bar' 'bla'|foo|bar|bla| 'foo' bar 'bla'|foo|bar|bla| 'foo' bar bla|foo|bar|bla| blurb foo"bar"bar"fasel" baz|blurb|foobarbarfasel|baz| blurb foo'bar'bar'fasel' baz|blurb|foobarbarfasel|baz| ""|| ''|| foo "" bar|foo||bar| foo '' bar|foo||bar| foo "" "" "" bar|foo||||bar| foo '' '' '' bar|foo||||bar| \"|"| "\""|"| "foo\ bar"|foo\ bar| "foo\\ bar"|foo\ bar| "foo\\ bar\""|foo\ bar"| "foo\\" bar\"|foo\|bar"| "foo\\ bar\" dfadf"|foo\ bar" dfadf| "foo\\\ bar\" dfadf"|foo\\ bar" dfadf| "foo\\\x bar\" dfadf"|foo\\x bar" dfadf| "foo\x bar\" dfadf"|foo\x bar" dfadf| \'|'| 'foo\ bar'|foo\ bar| 'foo\\ bar'|foo\\ bar| "foo\\\x bar\" df'a\ 'df"|foo\\x bar" df'a\ 'df| \"foo|"foo| \"foo\x|"foox| "foo\x"|foo\x| "foo\ "|foo\ | foo\ xx|foo xx| foo\ x\x|foo xx| foo\ x\x\"|foo xx"| "foo\ x\x"|foo\ x\x| "foo\ x\x\\"|foo\ x\x\| "foo\ x\x\\""foobar"|foo\ x\x\foobar| "foo\ x\x\\"\'"foobar"|foo\ x\x\'foobar| "foo\ x\x\\"\'"fo'obar"|foo\ x\x\'fo'obar| "foo\ x\x\\"\'"fo'obar" 'don'\''t'|foo\ x\x\'fo'obar|don't| "foo\ x\x\\"\'"fo'obar" 'don'\''t' \\|foo\ x\x\'fo'obar|don't|\| 'foo\ bar'|foo\ bar| 'foo\\ bar'|foo\\ bar| foo\ bar|foo bar| foo#bar\nbaz|foo|baz| :-) ;-)|:-)|;-)| áéíóú|áéíóú| """ class ShlexTest(unittest.TestCase): def setUp(self): self.data = [x.split("|")[:-1] for x in data.splitlines()] self.posix_data = [x.split("|")[:-1] for x in posix_data.splitlines()] for item in self.data: item[0] = item[0].replace(r"\n", "\n") for item in self.posix_data: item[0] = item[0].replace(r"\n", "\n") def splitTest(self, data, comments): for i in range(len(data)): l = shlex.split(data[i][0], comments=comments) self.assertEqual(l, data[i][1:], "%s: %s != %s" % (data[i][0], l, data[i][1:])) def oldSplit(self, s): ret = [] lex = shlex.shlex(io.StringIO(s)) tok = lex.get_token() while tok: ret.append(tok) tok = lex.get_token() return ret def testSplitPosix(self): """Test data splitting with posix parser""" self.splitTest(self.posix_data, comments=True) def testCompat(self): """Test compatibility interface""" for i in range(len(self.data)): l = self.oldSplit(self.data[i][0]) self.assertEqual(l, self.data[i][1:], "%s: %s != %s" % (self.data[i][0], l, self.data[i][1:])) def testSyntaxSplitAmpersandAndPipe(self): """Test handling of syntax splitting of &, |""" # Could take these forms: &&, &, |&, ;&, ;;& # of course, the same applies to | and || # these should all parse to the same output for delimiter in ('&&', '&', '|&', ';&', ';;&', '||', '|', '&|', ';|', ';;|'): src = ['echo hi %s echo bye' % delimiter, 'echo hi%secho bye' % delimiter] ref = ['echo', 'hi', delimiter, 'echo', 'bye'] for ss, ws in itertools.product(src, (False, True)): s = shlex.shlex(ss, punctuation_chars=True) s.whitespace_split = ws result = list(s) self.assertEqual(ref, result, "While splitting '%s' [ws=%s]" % (ss, ws)) def testSyntaxSplitSemicolon(self): """Test handling of syntax splitting of ;""" # Could take these forms: ;, ;;, ;&, ;;& # these should all parse to the same output for delimiter in (';', ';;', ';&', ';;&'): src = ['echo hi %s echo bye' % delimiter, 'echo hi%s echo bye' % delimiter, 'echo hi%secho bye' % delimiter] ref = ['echo', 'hi', delimiter, 'echo', 'bye'] for ss, ws in itertools.product(src, (False, True)): s = shlex.shlex(ss, punctuation_chars=True) s.whitespace_split = ws result = list(s) self.assertEqual(ref, result, "While splitting '%s' [ws=%s]" % (ss, ws)) def testSyntaxSplitRedirect(self): """Test handling of syntax splitting of >""" # of course, the same applies to <, | # these should all parse to the same output for delimiter in ('<', '|'): src = ['echo hi %s out' % delimiter, 'echo hi%s out' % delimiter, 'echo hi%sout' % delimiter] ref = ['echo', 'hi', delimiter, 'out'] for ss, ws in itertools.product(src, (False, True)): s = shlex.shlex(ss, punctuation_chars=True) result = list(s) self.assertEqual(ref, result, "While splitting '%s' [ws=%s]" % (ss, ws)) def testSyntaxSplitParen(self): """Test handling of syntax splitting of ()""" # these should all parse to the same output src = ['( echo hi )', '(echo hi)'] ref = ['(', 'echo', 'hi', ')'] for ss, ws in itertools.product(src, (False, True)): s = shlex.shlex(ss, punctuation_chars=True) s.whitespace_split = ws result = list(s) self.assertEqual(ref, result, "While splitting '%s' [ws=%s]" % (ss, ws)) def testSyntaxSplitCustom(self): """Test handling of syntax splitting with custom chars""" ss = "~/a&&b-c --color=auto||d *.py?" ref = ['~/a', '&', '&', 'b-c', '--color=auto', '||', 'd', '*.py?'] s = shlex.shlex(ss, punctuation_chars="|") result = list(s) self.assertEqual(ref, result, "While splitting '%s' [ws=False]" % ss) ref = ['~/a&&b-c', '--color=auto', '||', 'd', '*.py?'] s = shlex.shlex(ss, punctuation_chars="|") s.whitespace_split = True result = list(s) self.assertEqual(ref, result, "While splitting '%s' [ws=True]" % ss) def testTokenTypes(self): """Test that tokens are split with types as expected.""" for source, expected in ( ('a && b || c', [('a', 'a'), ('&&', 'c'), ('b', 'a'), ('||', 'c'), ('c', 'a')]), ): s = shlex.shlex(source, punctuation_chars=True) observed = [] while True: t = s.get_token() if t == s.eof: break if t[0] in s.punctuation_chars: tt = 'c' else: tt = 'a' observed.append((t, tt)) self.assertEqual(observed, expected) def testPunctuationInWordChars(self): """Test that any punctuation chars are removed from wordchars""" s = shlex.shlex('a_b__c', punctuation_chars='_') self.assertNotIn('_', s.wordchars) self.assertEqual(list(s), ['a', '_', 'b', '__', 'c']) def testPunctuationWithWhitespaceSplit(self): """Test that with whitespace_split, behaviour is as expected""" s = shlex.shlex('a && b || c', punctuation_chars='&') # whitespace_split is False, so splitting will be based on # punctuation_chars self.assertEqual(list(s), ['a', '&&', 'b', '|', '|', 'c']) s = shlex.shlex('a && b || c', punctuation_chars='&') s.whitespace_split = True # whitespace_split is True, so splitting will be based on # white space self.assertEqual(list(s), ['a', '&&', 'b', '||', 'c']) def testPunctuationWithPosix(self): """Test that punctuation_chars and posix behave correctly together.""" # see Issue #29132 s = shlex.shlex('f >"abc"', posix=True, punctuation_chars=True) self.assertEqual(list(s), ['f', '>', 'abc']) s = shlex.shlex('f >\\"abc\\"', posix=True, punctuation_chars=True) self.assertEqual(list(s), ['f', '>', '"abc"']) def testEmptyStringHandling(self): """Test that parsing of empty strings is correctly handled.""" # see Issue #21999 expected = ['', ')', 'abc'] for punct in (False, True): s = shlex.shlex("'')abc", posix=True, punctuation_chars=punct) slist = list(s) self.assertEqual(slist, expected) expected = ["''", ')', 'abc'] s = shlex.shlex("'')abc", punctuation_chars=True) self.assertEqual(list(s), expected) def testUnicodeHandling(self): """Test punctuation_chars and whitespace_split handle unicode.""" ss = "\u2119\u01b4\u2602\u210c\u00f8\u1f24" # Should be parsed as one complete token (whitespace_split=True). ref = ['\u2119\u01b4\u2602\u210c\u00f8\u1f24'] s = shlex.shlex(ss, punctuation_chars=True) s.whitespace_split = True self.assertEqual(list(s), ref) # Without whitespace_split, uses wordchars and splits on all. ref = ['\u2119', '\u01b4', '\u2602', '\u210c', '\u00f8', '\u1f24'] s = shlex.shlex(ss, punctuation_chars=True) self.assertEqual(list(s), ref) def testQuote(self): safeunquoted = string.ascii_letters + string.digits + '@%_-+=:,./' unicode_sample = '\xe9\xe0\xdf' # e + acute accent, a + grave, sharp s unsafe = '"`$\\!' + unicode_sample self.assertEqual(shlex.quote(''), "''") self.assertEqual(shlex.quote(safeunquoted), safeunquoted) self.assertEqual(shlex.quote('test file name'), "'test file name'") for u in unsafe: self.assertEqual(shlex.quote('test%sname' % u), "'test%sname'" % u) for u in unsafe: self.assertEqual(shlex.quote("test%s'name'" % u), "'test%s'\"'\"'name'\"'\"''" % u) def testJoin(self): for split_command, command in [ (['a ', 'b'], "'a ' b"), (['a', ' b'], "a ' b'"), (['a', ' ', 'b'], "a ' ' b"), (['"a', 'b"'], '\'"a\' \'b"\''), ]: with self.subTest(command=command): joined = shlex.join(split_command) self.assertEqual(joined, command) def testJoinRoundtrip(self): all_data = self.data + self.posix_data for command, *split_command in all_data: with self.subTest(command=command): joined = shlex.join(split_command) resplit = shlex.split(joined) self.assertEqual(split_command, resplit) # Allow this test to be used with old shlex.py if not getattr(shlex, "split", None): for methname in dir(ShlexTest): if methname.startswith("test") and methname != "testCompat": delattr(ShlexTest, methname) if __name__ == "__main__": unittest.main()