2022-09-17 15:26:13 +03:00
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"Test pyparse, coverage 96%."
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from idlelib import pyparse
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import unittest
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from collections import namedtuple
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class ParseMapTest(unittest.TestCase):
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def test_parsemap(self):
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keepwhite = {ord(c): ord(c) for c in ' \t\n\r'}
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mapping = pyparse.ParseMap(keepwhite)
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self.assertEqual(mapping[ord('\t')], ord('\t'))
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self.assertEqual(mapping[ord('a')], ord('x'))
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self.assertEqual(mapping[1000], ord('x'))
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def test_trans(self):
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# trans is the production instance of ParseMap, used in _study1
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parser = pyparse.Parser(4, 4)
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self.assertEqual('\t a([{b}])b"c\'d\n'.translate(pyparse.trans),
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'xxx(((x)))x"x\'x\n')
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class PyParseTest(unittest.TestCase):
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@classmethod
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def setUpClass(cls):
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cls.parser = pyparse.Parser(indentwidth=4, tabwidth=4)
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@classmethod
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def tearDownClass(cls):
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del cls.parser
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def test_init(self):
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self.assertEqual(self.parser.indentwidth, 4)
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self.assertEqual(self.parser.tabwidth, 4)
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def test_set_code(self):
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eq = self.assertEqual
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p = self.parser
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setcode = p.set_code
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# Not empty and doesn't end with newline.
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with self.assertRaises(AssertionError):
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setcode('a')
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tests = ('',
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'a\n')
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for string in tests:
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with self.subTest(string=string):
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setcode(string)
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eq(p.code, string)
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eq(p.study_level, 0)
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def test_find_good_parse_start(self):
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eq = self.assertEqual
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p = self.parser
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setcode = p.set_code
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start = p.find_good_parse_start
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def char_in_string_false(index): return False
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# First line starts with 'def' and ends with ':', then 0 is the pos.
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setcode('def spam():\n')
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eq(start(char_in_string_false), 0)
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# First line begins with a keyword in the list and ends
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# with an open brace, then 0 is the pos. This is how
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# hyperparser calls this function as the newline is not added
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# in the editor, but rather on the call to setcode.
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setcode('class spam( ' + ' \n')
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eq(start(char_in_string_false), 0)
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# Split def across lines.
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setcode('"""This is a module docstring"""\n'
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'class C:\n'
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' def __init__(self, a,\n'
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' b=True):\n'
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' pass\n'
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)
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pos0, pos = 33, 42 # Start of 'class...', ' def' lines.
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# Passing no value or non-callable should fail (issue 32989).
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with self.assertRaises(TypeError):
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start()
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with self.assertRaises(TypeError):
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start(False)
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# Make text look like a string. This returns pos as the start
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# position, but it's set to None.
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self.assertIsNone(start(is_char_in_string=lambda index: True))
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# Make all text look like it's not in a string. This means that it
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# found a good start position.
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eq(start(char_in_string_false), pos)
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# If the beginning of the def line is not in a string, then it
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# returns that as the index.
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eq(start(is_char_in_string=lambda index: index > pos), pos)
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# If the beginning of the def line is in a string, then it
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# looks for a previous index.
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eq(start(is_char_in_string=lambda index: index >= pos), pos0)
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# If everything before the 'def' is in a string, then returns None.
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# The non-continuation def line returns 44 (see below).
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eq(start(is_char_in_string=lambda index: index < pos), None)
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# Code without extra line break in def line - mostly returns the same
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# values.
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setcode('"""This is a module docstring"""\n'
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'class C:\n'
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' def __init__(self, a, b=True):\n'
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' pass\n'
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) # Does not affect class, def positions.
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eq(start(char_in_string_false), pos)
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eq(start(is_char_in_string=lambda index: index > pos), pos)
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eq(start(is_char_in_string=lambda index: index >= pos), pos0)
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# When the def line isn't split, this returns which doesn't match the
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# split line test.
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eq(start(is_char_in_string=lambda index: index < pos), pos)
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def test_set_lo(self):
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code = (
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'"""This is a module docstring"""\n'
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'class C:\n'
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' def __init__(self, a,\n'
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' b=True):\n'
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' pass\n'
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)
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pos = 42
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p = self.parser
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p.set_code(code)
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# Previous character is not a newline.
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with self.assertRaises(AssertionError):
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p.set_lo(5)
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# A value of 0 doesn't change self.code.
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p.set_lo(0)
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self.assertEqual(p.code, code)
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# An index that is preceded by a newline.
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p.set_lo(pos)
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self.assertEqual(p.code, code[pos:])
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def test_study1(self):
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eq = self.assertEqual
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p = self.parser
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setcode = p.set_code
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study = p._study1
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(NONE, BACKSLASH, FIRST, NEXT, BRACKET) = range(5)
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TestInfo = namedtuple('TestInfo', ['string', 'goodlines',
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'continuation'])
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tests = (
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TestInfo('', [0], NONE),
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# Docstrings.
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TestInfo('"""This is a complete docstring."""\n', [0, 1], NONE),
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TestInfo("'''This is a complete docstring.'''\n", [0, 1], NONE),
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TestInfo('"""This is a continued docstring.\n', [0, 1], FIRST),
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TestInfo("'''This is a continued docstring.\n", [0, 1], FIRST),
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TestInfo('"""Closing quote does not match."\n', [0, 1], FIRST),
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TestInfo('"""Bracket in docstring [\n', [0, 1], FIRST),
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TestInfo("'''Incomplete two line docstring.\n\n", [0, 2], NEXT),
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# Single-quoted strings.
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TestInfo('"This is a complete string."\n', [0, 1], NONE),
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TestInfo('"This is an incomplete string.\n', [0, 1], NONE),
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TestInfo("'This is more incomplete.\n\n", [0, 1, 2], NONE),
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# Comment (backslash does not continue comments).
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TestInfo('# Comment\\\n', [0, 1], NONE),
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# Brackets.
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TestInfo('("""Complete string in bracket"""\n', [0, 1], BRACKET),
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TestInfo('("""Open string in bracket\n', [0, 1], FIRST),
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TestInfo('a = (1 + 2) - 5 *\\\n', [0, 1], BACKSLASH), # No bracket.
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TestInfo('\n def function1(self, a,\n b):\n',
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[0, 1, 3], NONE),
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TestInfo('\n def function1(self, a,\\\n', [0, 1, 2], BRACKET),
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TestInfo('\n def function1(self, a,\n', [0, 1, 2], BRACKET),
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TestInfo('())\n', [0, 1], NONE), # Extra closer.
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TestInfo(')(\n', [0, 1], BRACKET), # Extra closer.
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# For the mismatched example, it doesn't look like continuation.
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TestInfo('{)(]\n', [0, 1], NONE), # Mismatched.
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)
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for test in tests:
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with self.subTest(string=test.string):
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setcode(test.string) # resets study_level
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study()
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eq(p.study_level, 1)
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eq(p.goodlines, test.goodlines)
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eq(p.continuation, test.continuation)
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# Called again, just returns without reprocessing.
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self.assertIsNone(study())
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def test_get_continuation_type(self):
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eq = self.assertEqual
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p = self.parser
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setcode = p.set_code
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gettype = p.get_continuation_type
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(NONE, BACKSLASH, FIRST, NEXT, BRACKET) = range(5)
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TestInfo = namedtuple('TestInfo', ['string', 'continuation'])
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tests = (
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TestInfo('', NONE),
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TestInfo('"""This is a continuation docstring.\n', FIRST),
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TestInfo("'''This is a multiline-continued docstring.\n\n", NEXT),
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TestInfo('a = (1 + 2) - 5 *\\\n', BACKSLASH),
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TestInfo('\n def function1(self, a,\\\n', BRACKET)
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)
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for test in tests:
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with self.subTest(string=test.string):
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setcode(test.string)
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eq(gettype(), test.continuation)
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def test_study2(self):
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eq = self.assertEqual
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p = self.parser
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setcode = p.set_code
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study = p._study2
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TestInfo = namedtuple('TestInfo', ['string', 'start', 'end', 'lastch',
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'openbracket', 'bracketing'])
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tests = (
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TestInfo('', 0, 0, '', None, ((0, 0),)),
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TestInfo("'''This is a multiline continuation docstring.\n\n",
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0, 48, "'", None, ((0, 0), (0, 1), (48, 0))),
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TestInfo(' # Comment\\\n',
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0, 12, '', None, ((0, 0), (1, 1), (12, 0))),
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# A comment without a space is a special case
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TestInfo(' #Comment\\\n',
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0, 0, '', None, ((0, 0),)),
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# Backslash continuation.
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TestInfo('a = (1 + 2) - 5 *\\\n',
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0, 19, '*', None, ((0, 0), (4, 1), (11, 0))),
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# Bracket continuation with close.
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TestInfo('\n def function1(self, a,\n b):\n',
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1, 48, ':', None, ((1, 0), (17, 1), (46, 0))),
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# Bracket continuation with unneeded backslash.
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TestInfo('\n def function1(self, a,\\\n',
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1, 28, ',', 17, ((1, 0), (17, 1))),
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# Bracket continuation.
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TestInfo('\n def function1(self, a,\n',
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1, 27, ',', 17, ((1, 0), (17, 1))),
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# Bracket continuation with comment at end of line with text.
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TestInfo('\n def function1(self, a, # End of line comment.\n',
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1, 51, ',', 17, ((1, 0), (17, 1), (28, 2), (51, 1))),
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# Multi-line statement with comment line in between code lines.
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TestInfo(' a = ["first item",\n # Comment line\n "next item",\n',
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0, 55, ',', 6, ((0, 0), (6, 1), (7, 2), (19, 1),
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(23, 2), (38, 1), (42, 2), (53, 1))),
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TestInfo('())\n',
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0, 4, ')', None, ((0, 0), (0, 1), (2, 0), (3, 0))),
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TestInfo(')(\n', 0, 3, '(', 1, ((0, 0), (1, 0), (1, 1))),
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# Wrong closers still decrement stack level.
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TestInfo('{)(]\n',
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0, 5, ']', None, ((0, 0), (0, 1), (2, 0), (2, 1), (4, 0))),
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# Character after backslash.
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TestInfo(':\\a\n', 0, 4, '\\a', None, ((0, 0),)),
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TestInfo('\n', 0, 0, '', None, ((0, 0),)),
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)
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for test in tests:
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with self.subTest(string=test.string):
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setcode(test.string)
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study()
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eq(p.study_level, 2)
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eq(p.stmt_start, test.start)
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eq(p.stmt_end, test.end)
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eq(p.lastch, test.lastch)
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eq(p.lastopenbracketpos, test.openbracket)
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eq(p.stmt_bracketing, test.bracketing)
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# Called again, just returns without reprocessing.
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self.assertIsNone(study())
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def test_get_num_lines_in_stmt(self):
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eq = self.assertEqual
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p = self.parser
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setcode = p.set_code
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getlines = p.get_num_lines_in_stmt
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TestInfo = namedtuple('TestInfo', ['string', 'lines'])
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tests = (
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TestInfo('[x for x in a]\n', 1), # Closed on one line.
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TestInfo('[x\nfor x in a\n', 2), # Not closed.
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2022-10-09 16:27:10 +03:00
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TestInfo('[x\\\nfor x in a\\\n', 2), # "", unneeded backslashes.
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2022-09-17 15:26:13 +03:00
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TestInfo('[x\nfor x in a\n]\n', 3), # Closed on multi-line.
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TestInfo('\n"""Docstring comment L1"""\nL2\nL3\nL4\n', 1),
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TestInfo('\n"""Docstring comment L1\nL2"""\nL3\nL4\n', 1),
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TestInfo('\n"""Docstring comment L1\\\nL2\\\nL3\\\nL4\\\n', 4),
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TestInfo('\n\n"""Docstring comment L1\\\nL2\\\nL3\\\nL4\\\n"""\n', 5)
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)
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# Blank string doesn't have enough elements in goodlines.
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setcode('')
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with self.assertRaises(IndexError):
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getlines()
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for test in tests:
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with self.subTest(string=test.string):
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setcode(test.string)
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eq(getlines(), test.lines)
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|
def test_compute_bracket_indent(self):
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eq = self.assertEqual
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p = self.parser
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setcode = p.set_code
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indent = p.compute_bracket_indent
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TestInfo = namedtuple('TestInfo', ['string', 'spaces'])
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tests = (
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TestInfo('def function1(self, a,\n', 14),
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# Characters after bracket.
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TestInfo('\n def function1(self, a,\n', 18),
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TestInfo('\n\tdef function1(self, a,\n', 18),
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# No characters after bracket.
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TestInfo('\n def function1(\n', 8),
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TestInfo('\n\tdef function1(\n', 8),
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TestInfo('\n def function1( \n', 8), # Ignore extra spaces.
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TestInfo('[\n"first item",\n # Comment line\n "next item",\n', 0),
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TestInfo('[\n "first item",\n # Comment line\n "next item",\n', 2),
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TestInfo('["first item",\n # Comment line\n "next item",\n', 1),
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TestInfo('(\n', 4),
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TestInfo('(a\n', 1),
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)
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# Must be C_BRACKET continuation type.
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setcode('def function1(self, a, b):\n')
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with self.assertRaises(AssertionError):
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indent()
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for test in tests:
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setcode(test.string)
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eq(indent(), test.spaces)
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def test_compute_backslash_indent(self):
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eq = self.assertEqual
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p = self.parser
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setcode = p.set_code
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indent = p.compute_backslash_indent
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# Must be C_BACKSLASH continuation type.
|
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errors = (('def function1(self, a, b\\\n'), # Bracket.
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|
(' """ (\\\n'), # Docstring.
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|
('a = #\\\n'), # Inline comment.
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)
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for string in errors:
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with self.subTest(string=string):
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setcode(string)
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|
with self.assertRaises(AssertionError):
|
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indent()
|
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|
TestInfo = namedtuple('TestInfo', ('string', 'spaces'))
|
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|
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|
tests = (TestInfo('a = (1 + 2) - 5 *\\\n', 4),
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|
TestInfo('a = 1 + 2 - 5 *\\\n', 4),
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|
TestInfo(' a = 1 + 2 - 5 *\\\n', 8),
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TestInfo(' a = "spam"\\\n', 6),
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|
TestInfo(' a = \\\n"a"\\\n', 4),
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|
TestInfo(' a = #\\\n"a"\\\n', 5),
|
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|
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|
TestInfo('a == \\\n', 2),
|
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|
TestInfo('a != \\\n', 2),
|
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|
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|
# Difference between containing = and those not.
|
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|
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|
TestInfo('\\\n', 2),
|
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|
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|
TestInfo(' \\\n', 6),
|
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|
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|
TestInfo('\t\\\n', 6),
|
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|
TestInfo('a\\\n', 3),
|
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|
|
TestInfo('{}\\\n', 4),
|
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|
TestInfo('(1 + 2) - 5 *\\\n', 3),
|
|
|
|
|
)
|
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|
|
|
for test in tests:
|
|
|
|
|
with self.subTest(string=test.string):
|
|
|
|
|
setcode(test.string)
|
|
|
|
|
eq(indent(), test.spaces)
|
|
|
|
|
|
|
|
|
|
def test_get_base_indent_string(self):
|
|
|
|
|
eq = self.assertEqual
|
|
|
|
|
p = self.parser
|
|
|
|
|
setcode = p.set_code
|
|
|
|
|
baseindent = p.get_base_indent_string
|
|
|
|
|
|
|
|
|
|
TestInfo = namedtuple('TestInfo', ['string', 'indent'])
|
|
|
|
|
tests = (TestInfo('', ''),
|
|
|
|
|
TestInfo('def a():\n', ''),
|
|
|
|
|
TestInfo('\tdef a():\n', '\t'),
|
|
|
|
|
TestInfo(' def a():\n', ' '),
|
|
|
|
|
TestInfo(' def a(\n', ' '),
|
|
|
|
|
TestInfo('\t\n def a(\n', ' '),
|
|
|
|
|
TestInfo('\t\n # Comment.\n', ' '),
|
|
|
|
|
)
|
|
|
|
|
|
|
|
|
|
for test in tests:
|
|
|
|
|
with self.subTest(string=test.string):
|
|
|
|
|
setcode(test.string)
|
|
|
|
|
eq(baseindent(), test.indent)
|
|
|
|
|
|
|
|
|
|
def test_is_block_opener(self):
|
|
|
|
|
yes = self.assertTrue
|
|
|
|
|
no = self.assertFalse
|
|
|
|
|
p = self.parser
|
|
|
|
|
setcode = p.set_code
|
|
|
|
|
opener = p.is_block_opener
|
|
|
|
|
|
|
|
|
|
TestInfo = namedtuple('TestInfo', ['string', 'assert_'])
|
|
|
|
|
tests = (
|
|
|
|
|
TestInfo('def a():\n', yes),
|
|
|
|
|
TestInfo('\n def function1(self, a,\n b):\n', yes),
|
|
|
|
|
TestInfo(':\n', yes),
|
|
|
|
|
TestInfo('a:\n', yes),
|
|
|
|
|
TestInfo('):\n', yes),
|
|
|
|
|
TestInfo('(:\n', yes),
|
|
|
|
|
TestInfo('":\n', no),
|
|
|
|
|
TestInfo('\n def function1(self, a,\n', no),
|
|
|
|
|
TestInfo('def function1(self, a):\n pass\n', no),
|
|
|
|
|
TestInfo('# A comment:\n', no),
|
|
|
|
|
TestInfo('"""A docstring:\n', no),
|
|
|
|
|
TestInfo('"""A docstring:\n', no),
|
|
|
|
|
)
|
|
|
|
|
|
|
|
|
|
for test in tests:
|
|
|
|
|
with self.subTest(string=test.string):
|
|
|
|
|
setcode(test.string)
|
|
|
|
|
test.assert_(opener())
|
|
|
|
|
|
|
|
|
|
def test_is_block_closer(self):
|
|
|
|
|
yes = self.assertTrue
|
|
|
|
|
no = self.assertFalse
|
|
|
|
|
p = self.parser
|
|
|
|
|
setcode = p.set_code
|
|
|
|
|
closer = p.is_block_closer
|
|
|
|
|
|
|
|
|
|
TestInfo = namedtuple('TestInfo', ['string', 'assert_'])
|
|
|
|
|
tests = (
|
|
|
|
|
TestInfo('return\n', yes),
|
|
|
|
|
TestInfo('\tbreak\n', yes),
|
|
|
|
|
TestInfo(' continue\n', yes),
|
|
|
|
|
TestInfo(' raise\n', yes),
|
|
|
|
|
TestInfo('pass \n', yes),
|
|
|
|
|
TestInfo('pass\t\n', yes),
|
|
|
|
|
TestInfo('return #\n', yes),
|
|
|
|
|
TestInfo('raised\n', no),
|
|
|
|
|
TestInfo('returning\n', no),
|
|
|
|
|
TestInfo('# return\n', no),
|
|
|
|
|
TestInfo('"""break\n', no),
|
|
|
|
|
TestInfo('"continue\n', no),
|
|
|
|
|
TestInfo('def function1(self, a):\n pass\n', yes),
|
|
|
|
|
)
|
|
|
|
|
|
|
|
|
|
for test in tests:
|
|
|
|
|
with self.subTest(string=test.string):
|
|
|
|
|
setcode(test.string)
|
|
|
|
|
test.assert_(closer())
|
|
|
|
|
|
|
|
|
|
def test_get_last_stmt_bracketing(self):
|
|
|
|
|
eq = self.assertEqual
|
|
|
|
|
p = self.parser
|
|
|
|
|
setcode = p.set_code
|
|
|
|
|
bracketing = p.get_last_stmt_bracketing
|
|
|
|
|
|
|
|
|
|
TestInfo = namedtuple('TestInfo', ['string', 'bracket'])
|
|
|
|
|
tests = (
|
|
|
|
|
TestInfo('', ((0, 0),)),
|
|
|
|
|
TestInfo('a\n', ((0, 0),)),
|
|
|
|
|
TestInfo('()()\n', ((0, 0), (0, 1), (2, 0), (2, 1), (4, 0))),
|
|
|
|
|
TestInfo('(\n)()\n', ((0, 0), (0, 1), (3, 0), (3, 1), (5, 0))),
|
|
|
|
|
TestInfo('()\n()\n', ((3, 0), (3, 1), (5, 0))),
|
|
|
|
|
TestInfo('()(\n)\n', ((0, 0), (0, 1), (2, 0), (2, 1), (5, 0))),
|
|
|
|
|
TestInfo('(())\n', ((0, 0), (0, 1), (1, 2), (3, 1), (4, 0))),
|
|
|
|
|
TestInfo('(\n())\n', ((0, 0), (0, 1), (2, 2), (4, 1), (5, 0))),
|
|
|
|
|
# Same as matched test.
|
|
|
|
|
TestInfo('{)(]\n', ((0, 0), (0, 1), (2, 0), (2, 1), (4, 0))),
|
|
|
|
|
TestInfo('(((())\n',
|
|
|
|
|
((0, 0), (0, 1), (1, 2), (2, 3), (3, 4), (5, 3), (6, 2))),
|
|
|
|
|
)
|
|
|
|
|
|
|
|
|
|
for test in tests:
|
|
|
|
|
with self.subTest(string=test.string):
|
|
|
|
|
setcode(test.string)
|
|
|
|
|
eq(bracketing(), test.bracket)
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
if __name__ == '__main__':
|
|
|
|
|
unittest.main(verbosity=2)
|
