/usr/lib/python2.7/dist-packages/tempest_lib/cmd/check_uuid.py is in python-tempest-lib 0.14.0-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 | #!/usr/bin/env python
# Copyright 2014 Mirantis, Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
import argparse
import ast
import importlib
import inspect
import os
import sys
import unittest
import uuid
import six.moves.urllib.parse as urlparse
DECORATOR_MODULE = 'test'
DECORATOR_NAME = 'idempotent_id'
DECORATOR_IMPORT = 'tempest.%s' % DECORATOR_MODULE
IMPORT_LINE = 'from tempest import %s' % DECORATOR_MODULE
DECORATOR_TEMPLATE = "@%s.%s('%%s')" % (DECORATOR_MODULE,
DECORATOR_NAME)
UNIT_TESTS_EXCLUDE = 'tempest.tests'
class SourcePatcher(object):
""""Lazy patcher for python source files"""
def __init__(self):
self.source_files = None
self.patches = None
self.clear()
def clear(self):
"""Clear inner state"""
self.source_files = {}
self.patches = {}
@staticmethod
def _quote(s):
return urlparse.quote(s)
@staticmethod
def _unquote(s):
return urlparse.unquote(s)
def add_patch(self, filename, patch, line_no):
"""Add lazy patch"""
if filename not in self.source_files:
with open(filename) as f:
self.source_files[filename] = self._quote(f.read())
patch_id = str(uuid.uuid4())
if not patch.endswith('\n'):
patch += '\n'
self.patches[patch_id] = self._quote(patch)
lines = self.source_files[filename].split(self._quote('\n'))
lines[line_no - 1] = ''.join(('{%s:s}' % patch_id, lines[line_no - 1]))
self.source_files[filename] = self._quote('\n').join(lines)
def _save_changes(self, filename, source):
print('%s fixed' % filename)
with open(filename, 'w') as f:
f.write(source)
def apply_patches(self):
"""Apply all patches"""
for filename in self.source_files:
patched_source = self._unquote(
self.source_files[filename].format(**self.patches)
)
self._save_changes(filename, patched_source)
self.clear()
class TestChecker(object):
def __init__(self, package):
self.package = package
self.base_path = os.path.abspath(os.path.dirname(package.__file__))
def _path_to_package(self, path):
relative_path = path[len(self.base_path) + 1:]
if relative_path:
return '.'.join((self.package.__name__,) +
tuple(relative_path.split('/')))
else:
return self.package.__name__
def _modules_search(self):
"""Recursive search for python modules in base package"""
modules = []
for root, dirs, files in os.walk(self.base_path):
if not os.path.exists(os.path.join(root, '__init__.py')):
continue
root_package = self._path_to_package(root)
for item in files:
if item.endswith('.py'):
module_name = '.'.join((root_package,
os.path.splitext(item)[0]))
if not module_name.startswith(UNIT_TESTS_EXCLUDE):
modules.append(module_name)
return modules
@staticmethod
def _get_idempotent_id(test_node):
"""Return key-value dict with all metadata from @test.idempotent_id"""
idempotent_id = None
for decorator in test_node.decorator_list:
if (hasattr(decorator, 'func') and
hasattr(decorator.func, 'attr') and
decorator.func.attr == DECORATOR_NAME and
hasattr(decorator.func, 'value') and
decorator.func.value.id == DECORATOR_MODULE):
for arg in decorator.args:
idempotent_id = ast.literal_eval(arg)
return idempotent_id
@staticmethod
def _is_decorator(line):
return line.strip().startswith('@')
@staticmethod
def _is_def(line):
return line.strip().startswith('def ')
def _add_uuid_to_test(self, patcher, test_node, source_path):
with open(source_path) as src:
src_lines = src.read().split('\n')
lineno = test_node.lineno
insert_position = lineno
while True:
if (self._is_def(src_lines[lineno - 1]) or
(self._is_decorator(src_lines[lineno - 1]) and
(DECORATOR_TEMPLATE.split('(')[0] <=
src_lines[lineno - 1].strip().split('(')[0]))):
insert_position = lineno
break
lineno += 1
patcher.add_patch(
source_path,
' ' * test_node.col_offset + DECORATOR_TEMPLATE % uuid.uuid4(),
insert_position
)
@staticmethod
def _is_test_case(module, node):
if (node.__class__ is ast.ClassDef and
hasattr(module, node.name) and
inspect.isclass(getattr(module, node.name))):
return issubclass(getattr(module, node.name), unittest.TestCase)
@staticmethod
def _is_test_method(node):
return (node.__class__ is ast.FunctionDef
and node.name.startswith('test_'))
@staticmethod
def _next_node(body, node):
if body.index(node) < len(body):
return body[body.index(node) + 1]
@staticmethod
def _import_name(node):
if type(node) == ast.Import:
return node.names[0].name
elif type(node) == ast.ImportFrom:
return '%s.%s' % (node.module, node.names[0].name)
def _add_import_for_test_uuid(self, patcher, src_parsed, source_path):
with open(source_path) as f:
src_lines = f.read().split('\n')
line_no = 0
tempest_imports = [node for node in src_parsed.body
if self._import_name(node) and
'tempest.' in self._import_name(node)]
if not tempest_imports:
import_snippet = '\n'.join(('', IMPORT_LINE, ''))
else:
for node in tempest_imports:
if self._import_name(node) < DECORATOR_IMPORT:
continue
else:
line_no = node.lineno
import_snippet = IMPORT_LINE
break
else:
line_no = tempest_imports[-1].lineno
while True:
if (not src_lines[line_no - 1] or
getattr(self._next_node(src_parsed.body,
tempest_imports[-1]),
'lineno') == line_no or
line_no == len(src_lines)):
break
line_no += 1
import_snippet = '\n'.join((IMPORT_LINE, ''))
patcher.add_patch(source_path, import_snippet, line_no)
def get_tests(self):
"""Get test methods with sources from base package with metadata"""
tests = {}
for module_name in self._modules_search():
tests[module_name] = {}
module = importlib.import_module(module_name)
source_path = '.'.join(
(os.path.splitext(module.__file__)[0], 'py')
)
with open(source_path, 'r') as f:
source = f.read()
tests[module_name]['source_path'] = source_path
tests[module_name]['tests'] = {}
source_parsed = ast.parse(source)
tests[module_name]['ast'] = source_parsed
tests[module_name]['import_valid'] = (
hasattr(module, DECORATOR_MODULE) and
inspect.ismodule(getattr(module, DECORATOR_MODULE))
)
test_cases = (node for node in source_parsed.body
if self._is_test_case(module, node))
for node in test_cases:
for subnode in filter(self._is_test_method, node.body):
test_name = '%s.%s' % (node.name, subnode.name)
tests[module_name]['tests'][test_name] = subnode
return tests
@staticmethod
def _filter_tests(function, tests):
"""Filter tests with condition 'function(test_node) == True'"""
result = {}
for module_name in tests:
for test_name in tests[module_name]['tests']:
if function(module_name, test_name, tests):
if module_name not in result:
result[module_name] = {
'ast': tests[module_name]['ast'],
'source_path': tests[module_name]['source_path'],
'import_valid': tests[module_name]['import_valid'],
'tests': {}
}
result[module_name]['tests'][test_name] = \
tests[module_name]['tests'][test_name]
return result
def find_untagged(self, tests):
"""Filter all tests without uuid in metadata"""
def check_uuid_in_meta(module_name, test_name, tests):
idempotent_id = self._get_idempotent_id(
tests[module_name]['tests'][test_name])
return not idempotent_id
return self._filter_tests(check_uuid_in_meta, tests)
def report_collisions(self, tests):
"""Reports collisions if there are any
Returns true if collisions exist.
"""
uuids = {}
def report(module_name, test_name, tests):
test_uuid = self._get_idempotent_id(
tests[module_name]['tests'][test_name])
if not test_uuid:
return
if test_uuid in uuids:
error_str = "%s:%s\n uuid %s collision: %s<->%s\n%s:%s" % (
tests[module_name]['source_path'],
tests[module_name]['tests'][test_name].lineno,
test_uuid,
test_name,
uuids[test_uuid]['test_name'],
uuids[test_uuid]['source_path'],
uuids[test_uuid]['test_node'].lineno,
)
print(error_str)
print("cannot automatically resolve the collision, please "
"manually remove the duplicate value on the new test.")
return True
else:
uuids[test_uuid] = {
'module': module_name,
'test_name': test_name,
'test_node': tests[module_name]['tests'][test_name],
'source_path': tests[module_name]['source_path']
}
return bool(self._filter_tests(report, tests))
def report_untagged(self, tests):
"""Reports untagged tests if there are any
Returns true if untagged tests exist.
"""
def report(module_name, test_name, tests):
error_str = "%s:%s\nmissing @test.idempotent_id('...')\n%s\n" % (
tests[module_name]['source_path'],
tests[module_name]['tests'][test_name].lineno,
test_name
)
print(error_str)
return True
return bool(self._filter_tests(report, tests))
def fix_tests(self, tests):
"""Add uuids to all specified in tests and fix it in source files"""
patcher = SourcePatcher()
for module_name in tests:
add_import_once = True
for test_name in tests[module_name]['tests']:
if not tests[module_name]['import_valid'] and add_import_once:
self._add_import_for_test_uuid(
patcher,
tests[module_name]['ast'],
tests[module_name]['source_path']
)
add_import_once = False
self._add_uuid_to_test(
patcher, tests[module_name]['tests'][test_name],
tests[module_name]['source_path'])
patcher.apply_patches()
def run():
parser = argparse.ArgumentParser()
parser.add_argument('--package', action='store', dest='package',
default='tempest', type=str,
help='Package with tests')
parser.add_argument('--fix', action='store_true', dest='fix_tests',
help='Attempt to fix tests without UUIDs')
args = parser.parse_args()
sys.path.append(os.path.join(os.path.dirname(__file__), '..'))
pkg = importlib.import_module(args.package)
checker = TestChecker(pkg)
errors = False
tests = checker.get_tests()
untagged = checker.find_untagged(tests)
errors = checker.report_collisions(tests) or errors
if args.fix_tests and untagged:
checker.fix_tests(untagged)
else:
errors = checker.report_untagged(untagged) or errors
if errors:
sys.exit("@test.idempotent_id existence and uniqueness checks failed\n"
"Run 'tox -v -euuidgen' to automatically fix tests with\n"
"missing @test.idempotent_id decorators.")
if __name__ == '__main__':
run()
|