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2183a74040
zulint will be added as a "third-party" dependency in zulip from now on. See the new project at https://github.com/zulip/zulint for more details.
56 lines
2.8 KiB
Python
56 lines
2.8 KiB
Python
import os
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from mock import patch
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from unittest import TestCase
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from zulint.custom_rules import RuleList
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from linter_lib.custom_check import python_rules, non_py_rules
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ROOT_DIR = os.path.abspath(os.path.join(__file__, '..', '..', '..'))
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CHECK_MESSAGE = "Fix the corresponding rule in `tools/linter_lib/custom_check.py`."
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class TestRuleList(TestCase):
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def setUp(self) -> None:
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self.all_rules = python_rules.rules
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for rule in non_py_rules:
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self.all_rules.extend(rule.rules)
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def test_paths_in_rules(self) -> None:
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"""Verifies that the paths mentioned in linter rules actually exist"""
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for rule in self.all_rules:
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for path in rule.get('exclude', {}):
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abs_path = os.path.abspath(os.path.join(ROOT_DIR, path))
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self.assertTrue(os.path.exists(abs_path),
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"'{}' is neither an existing file, nor a directory. {}".format(path, CHECK_MESSAGE))
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for line_tuple in rule.get('exclude_line', {}):
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path = line_tuple[0]
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abs_path = os.path.abspath(os.path.join(ROOT_DIR, path))
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self.assertTrue(os.path.isfile(abs_path),
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"The file '{}' doesn't exist. {}".format(path, CHECK_MESSAGE))
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for path in rule.get('include_only', {}):
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if not os.path.splitext(path)[1]:
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self.assertTrue(path.endswith('/'),
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"The path '{}' should end with '/'. {}".format(path, CHECK_MESSAGE))
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def test_rule_patterns(self) -> None:
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"""Verifies that the search regex specified in a custom rule actually matches
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the expectation and doesn't throw false positives."""
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for rule in self.all_rules:
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pattern = rule['pattern']
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for line in rule.get('good_lines', []):
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# create=True is superfluous when mocking built-ins in Python >= 3.5
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with patch('builtins.open', return_value=iter((line+'\n\n').splitlines()), create=True, autospec=True):
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self.assertFalse(RuleList([], [rule]).custom_check_file('foo.bar', 'baz', ''),
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"The pattern '{}' matched the line '{}' while it shouldn't.".format(pattern, line))
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for line in rule.get('bad_lines', []):
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# create=True is superfluous when mocking built-ins in Python >= 3.5
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with patch('builtins.open',
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return_value=iter((line+'\n\n').splitlines()), create=True, autospec=True), patch('builtins.print'):
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filename = list(rule.get('include_only', {'foo.bar'}))[0]
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self.assertTrue(RuleList([], [rule]).custom_check_file(filename, 'baz', ''),
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"The pattern '{}' didn't match the line '{}' while it should.".format(pattern, line))
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