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linter: Add test case for custom_check.py

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Fixes #5406.
This commit is contained in:
Robert Hönig
2017-09-11 20:01:08 +02:00
committed by Tim Abbott
parent b5cf31efdc
commit 53436d9ea7
1 changed files with 39 additions and 0 deletions
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39
tools/tests/test_linter_custom_check.py Normal file
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import os
from itertools import chain
from mock import patch, MagicMock
from unittest import TestCase
from tools.linter_lib.custom_check import build_custom_checkers
ROOT_DIR = os.path.abspath(os.path.join(__file__, '..', '..', '..'))
CHECK_MESSAGE = "Fix the corresponding rule in `tools/linter_lib/custom_check.py`."
@patch('tools.linter_lib.custom_check.custom_check_file', return_value=False)
class TestCustomRulesFormat(TestCase):
def test_paths_in_rules(self, mock_custom_check_file):
# type: (MagicMock) -> None
"""Verifies that the paths mentoned in linter rules actually exist"""
by_lang = dict.fromkeys(['py', 'js', 'sh', 'css', 'handlebars', 'html', 'json', 'md', 'txt', 'text', 'yaml'],
['foo/bar.baz'])
check_custom_checks_py, check_custom_checks_nonpy = build_custom_checkers(by_lang)
check_custom_checks_py()
check_custom_checks_nonpy()
for call_args in mock_custom_check_file.call_args_list:
rule_set = call_args[0][2]
for rule in rule_set:
for path in rule.get('exclude', {}):
abs_path = os.path.abspath(os.path.join(ROOT_DIR, path))
self.assertTrue(os.path.exists(abs_path),
"'{}' is neither an existing file, nor a directory. {}".format(path, CHECK_MESSAGE))
for line_tuple in rule.get('exclude_line', {}):
path = line_tuple[0]
abs_path = os.path.abspath(os.path.join(ROOT_DIR, path))
self.assertTrue(os.path.isfile(abs_path),
"The file '{}' doesn't exist. {}".format(path, CHECK_MESSAGE))
for path in rule.get('include_only', {}):
if not os.path.splitext(path)[1]:
self.assertTrue(path.endswith('/'),
"The path '{}' should end with '/'. {}".format(path, CHECK_MESSAGE))