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71 lines
2.1 KiB
Python
71 lines
2.1 KiB
Python
"""
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To easily verify if our normalizer raises the right error codes, just use the
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tests of pydocstyle.
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"""
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import difflib
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import re
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from functools import total_ordering
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import parso
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from parso.utils import python_bytes_to_unicode
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@total_ordering
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class WantedIssue(object):
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def __init__(self, code, line, column):
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self.code = code
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self._line = line
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self._column = column
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def __eq__(self, other):
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return self.code == other.code and self.start_pos == other.start_pos
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def __lt__(self, other):
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return self.start_pos < other.start_pos or self.code < other.code
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def __hash__(self):
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return hash(str(self.code) + str(self._line) + str(self._column))
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@property
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def start_pos(self):
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return self._line, self._column
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def collect_errors(code):
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for line_nr, line in enumerate(code.splitlines(), 1):
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match = re.match(r'(\s*)#: (.*)$', line)
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if match is not None:
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codes = match.group(2)
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for code in codes.split():
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code, _, add_indent = code.partition(':')
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column = int(add_indent or len(match.group(1)))
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code, _, add_line = code.partition('+')
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l = line_nr + 1 + int(add_line or 0)
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yield WantedIssue(code[1:], l, column)
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def test_normalizer_issue(normalizer_issue_case):
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def sort(issues):
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issues = sorted(issues, key=lambda i: (i.start_pos, i.code))
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return ["(%s, %s): %s" % (i.start_pos[0], i.start_pos[1], i.code)
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for i in issues]
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with open(normalizer_issue_case.path, 'rb') as f:
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code = python_bytes_to_unicode(f.read())
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desired = sort(collect_errors(code))
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grammar = parso.load_grammar(version=normalizer_issue_case.python_version)
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module = grammar.parse(code)
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issues = grammar._get_normalizer_issues(module)
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actual = sort(issues)
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diff = '\n'.join(difflib.ndiff(desired, actual))
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# To make the pytest -v diff a bit prettier, stop pytest to rewrite assert
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# statements by executing the comparison earlier.
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_bool = desired == actual
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assert _bool, '\n' + diff
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