1 # SPDX-License-Identifier: GPL-2.0
2 # Copyright (c) 2015 Stephen Warren
3 # Copyright (c) 2015-2016, NVIDIA CORPORATION. All rights reserved.
5 # Implementation of pytest run-time hook functions. These are invoked by
6 # pytest at certain points during operation, e.g. startup, for each executed
7 # test, at shutdown etc. These hooks perform functions such as:
8 # - Parsing custom command-line options.
9 # - Pullilng in user-specified board configuration.
10 # - Creating the U-Boot console test fixture.
11 # - Creating the HTML log file.
12 # - Monitoring each test's results.
13 # - Implementing custom pytest markers.
20 from _pytest.runner import runtestprotocol
28 import ConfigParser as configparser
30 # Globals: The HTML log file, and the connection to the U-Boot console.
35 """Create a directory path.
37 This includes creating any intermediate/parent directories. Any errors
38 caused due to already extant directories are ignored.
41 path: The directory path to create.
49 except OSError as exc:
50 if exc.errno == errno.EEXIST and os.path.isdir(path):
55 def pytest_addoption(parser):
56 """pytest hook: Add custom command-line options to the cmdline parser.
59 parser: The pytest command-line parser.
65 parser.addoption('--build-dir', default=None,
66 help='U-Boot build directory (O=)')
67 parser.addoption('--result-dir', default=None,
68 help='U-Boot test result/tmp directory')
69 parser.addoption('--persistent-data-dir', default=None,
70 help='U-Boot test persistent generated data directory')
71 parser.addoption('--board-type', '--bd', '-B', default='sandbox',
72 help='U-Boot board type')
73 parser.addoption('--board-identity', '--id', default='na',
74 help='U-Boot board identity/instance')
75 parser.addoption('--build', default=False, action='store_true',
76 help='Compile U-Boot before running tests')
77 parser.addoption('--gdbserver', default=None,
78 help='Run sandbox under gdbserver. The argument is the channel '+
79 'over which gdbserver should communicate, e.g. localhost:1234')
81 def pytest_configure(config):
82 """pytest hook: Perform custom initialization at startup time.
85 config: The pytest configuration.
95 test_py_dir = os.path.dirname(os.path.abspath(__file__))
96 source_dir = os.path.dirname(os.path.dirname(test_py_dir))
98 board_type = config.getoption('board_type')
99 board_type_filename = board_type.replace('-', '_')
101 board_identity = config.getoption('board_identity')
102 board_identity_filename = board_identity.replace('-', '_')
104 build_dir = config.getoption('build_dir')
106 build_dir = source_dir + '/build-' + board_type
109 result_dir = config.getoption('result_dir')
111 result_dir = build_dir
114 persistent_data_dir = config.getoption('persistent_data_dir')
115 if not persistent_data_dir:
116 persistent_data_dir = build_dir + '/persistent-data'
117 mkdir_p(persistent_data_dir)
119 gdbserver = config.getoption('gdbserver')
120 if gdbserver and board_type != 'sandbox':
121 raise Exception('--gdbserver only supported with sandbox')
123 import multiplexed_log
124 log = multiplexed_log.Logfile(result_dir + '/test-log.html')
126 if config.getoption('build'):
127 if build_dir != source_dir:
128 o_opt = 'O=%s' % build_dir
132 ['make', o_opt, '-s', board_type + '_defconfig'],
133 ['make', o_opt, '-s', '-j8'],
135 with log.section('make'):
136 runner = log.get_runner('make', sys.stdout)
138 runner.run(cmd, cwd=source_dir)
140 log.status_pass('OK')
142 class ArbitraryAttributeContainer(object):
145 ubconfig = ArbitraryAttributeContainer()
146 ubconfig.brd = dict()
147 ubconfig.env = dict()
150 (ubconfig.brd, 'u_boot_board_' + board_type_filename),
151 (ubconfig.env, 'u_boot_boardenv_' + board_type_filename),
152 (ubconfig.env, 'u_boot_boardenv_' + board_type_filename + '_' +
153 board_identity_filename),
155 for (dict_to_fill, module_name) in modules:
157 module = __import__(module_name)
160 dict_to_fill.update(module.__dict__)
162 ubconfig.buildconfig = dict()
164 for conf_file in ('.config', 'include/autoconf.mk'):
165 dot_config = build_dir + '/' + conf_file
166 if not os.path.exists(dot_config):
167 raise Exception(conf_file + ' does not exist; ' +
168 'try passing --build option?')
170 with open(dot_config, 'rt') as f:
171 ini_str = '[root]\n' + f.read()
172 ini_sio = StringIO.StringIO(ini_str)
173 parser = configparser.RawConfigParser()
174 parser.readfp(ini_sio)
175 ubconfig.buildconfig.update(parser.items('root'))
177 ubconfig.test_py_dir = test_py_dir
178 ubconfig.source_dir = source_dir
179 ubconfig.build_dir = build_dir
180 ubconfig.result_dir = result_dir
181 ubconfig.persistent_data_dir = persistent_data_dir
182 ubconfig.board_type = board_type
183 ubconfig.board_identity = board_identity
184 ubconfig.gdbserver = gdbserver
185 ubconfig.dtb = build_dir + '/arch/sandbox/dts/test.dtb'
194 'persistent_data_dir',
197 os.environ['U_BOOT_' + v.upper()] = getattr(ubconfig, v)
199 if board_type.startswith('sandbox'):
200 import u_boot_console_sandbox
201 console = u_boot_console_sandbox.ConsoleSandbox(log, ubconfig)
203 import u_boot_console_exec_attach
204 console = u_boot_console_exec_attach.ConsoleExecAttach(log, ubconfig)
206 re_ut_test_list = re.compile(r'_u_boot_list_2_(.*)_test_2_\1_test_(.*)\s*$')
207 def generate_ut_subtest(metafunc, fixture_name):
208 """Provide parametrization for a ut_subtest fixture.
210 Determines the set of unit tests built into a U-Boot binary by parsing the
211 list of symbols generated by the build process. Provides this information
212 to test functions by parameterizing their ut_subtest fixture parameter.
215 metafunc: The pytest test function.
216 fixture_name: The fixture name to test.
222 fn = console.config.build_dir + '/u-boot.sym'
224 with open(fn, 'rt') as f:
225 lines = f.readlines()
232 m = re_ut_test_list.search(l)
235 vals.append(m.group(1) + ' ' + m.group(2))
237 ids = ['ut_' + s.replace(' ', '_') for s in vals]
238 metafunc.parametrize(fixture_name, vals, ids=ids)
240 def generate_config(metafunc, fixture_name):
241 """Provide parametrization for {env,brd}__ fixtures.
243 If a test function takes parameter(s) (fixture names) of the form brd__xxx
244 or env__xxx, the brd and env configuration dictionaries are consulted to
245 find the list of values to use for those parameters, and the test is
246 parametrized so that it runs once for each combination of values.
249 metafunc: The pytest test function.
250 fixture_name: The fixture name to test.
257 'brd': console.config.brd,
258 'env': console.config.env,
260 parts = fixture_name.split('__')
263 if parts[0] not in subconfigs:
265 subconfig = subconfigs[parts[0]]
267 val = subconfig.get(fixture_name, [])
268 # If that exact name is a key in the data source:
270 # ... use the dict value as a single parameter value.
273 # ... otherwise, see if there's a key that contains a list of
274 # values to use instead.
275 vals = subconfig.get(fixture_name+ 's', [])
276 def fixture_id(index, val):
278 return val['fixture_id']
280 return fixture_name + str(index)
281 ids = [fixture_id(index, val) for (index, val) in enumerate(vals)]
282 metafunc.parametrize(fixture_name, vals, ids=ids)
284 def pytest_generate_tests(metafunc):
285 """pytest hook: parameterize test functions based on custom rules.
287 Check each test function parameter (fixture name) to see if it is one of
288 our custom names, and if so, provide the correct parametrization for that
292 metafunc: The pytest test function.
298 for fn in metafunc.fixturenames:
299 if fn == 'ut_subtest':
300 generate_ut_subtest(metafunc, fn)
302 generate_config(metafunc, fn)
304 @pytest.fixture(scope='session')
305 def u_boot_log(request):
306 """Generate the value of a test's log fixture.
309 request: The pytest request.
317 @pytest.fixture(scope='session')
318 def u_boot_config(request):
319 """Generate the value of a test's u_boot_config fixture.
322 request: The pytest request.
328 return console.config
330 @pytest.fixture(scope='function')
331 def u_boot_console(request):
332 """Generate the value of a test's u_boot_console fixture.
335 request: The pytest request.
341 console.ensure_spawned()
353 def pytest_itemcollected(item):
354 """pytest hook: Called once for each test found during collection.
356 This enables our custom result analysis code to see the list of all tests
357 that should eventually be run.
360 item: The item that was collected.
366 tests_not_run.append(item.name)
369 """Clean up all global state.
371 Executed (via atexit) once the entire test process is complete. This
372 includes logging the status of all tests, and the identity of any failed
385 with log.section('Status Report', 'status_report'):
386 log.status_pass('%d passed' % len(tests_passed))
388 log.status_warning('%d passed with warning' % len(tests_warning))
389 for test in tests_warning:
390 anchor = anchors.get(test, None)
391 log.status_warning('... ' + test, anchor)
393 log.status_skipped('%d skipped' % len(tests_skipped))
394 for test in tests_skipped:
395 anchor = anchors.get(test, None)
396 log.status_skipped('... ' + test, anchor)
398 log.status_xpass('%d xpass' % len(tests_xpassed))
399 for test in tests_xpassed:
400 anchor = anchors.get(test, None)
401 log.status_xpass('... ' + test, anchor)
403 log.status_xfail('%d xfail' % len(tests_xfailed))
404 for test in tests_xfailed:
405 anchor = anchors.get(test, None)
406 log.status_xfail('... ' + test, anchor)
408 log.status_fail('%d failed' % len(tests_failed))
409 for test in tests_failed:
410 anchor = anchors.get(test, None)
411 log.status_fail('... ' + test, anchor)
413 log.status_fail('%d not run' % len(tests_not_run))
414 for test in tests_not_run:
415 anchor = anchors.get(test, None)
416 log.status_fail('... ' + test, anchor)
418 atexit.register(cleanup)
420 def setup_boardspec(item):
421 """Process any 'boardspec' marker for a test.
423 Such a marker lists the set of board types that a test does/doesn't
424 support. If tests are being executed on an unsupported board, the test is
425 marked to be skipped.
428 item: The pytest test item.
434 mark = item.get_marker('boardspec')
438 for board in mark.args:
439 if board.startswith('!'):
440 if ubconfig.board_type == board[1:]:
441 pytest.skip('board "%s" not supported' % ubconfig.board_type)
444 required_boards.append(board)
445 if required_boards and ubconfig.board_type not in required_boards:
446 pytest.skip('board "%s" not supported' % ubconfig.board_type)
448 def setup_buildconfigspec(item):
449 """Process any 'buildconfigspec' marker for a test.
451 Such a marker lists some U-Boot configuration feature that the test
452 requires. If tests are being executed on an U-Boot build that doesn't
453 have the required feature, the test is marked to be skipped.
456 item: The pytest test item.
462 mark = item.get_marker('buildconfigspec')
465 for option in mark.args:
466 if not ubconfig.buildconfig.get('config_' + option.lower(), None):
467 pytest.skip('.config feature "%s" not enabled' % option.lower())
469 def tool_is_in_path(tool):
470 for path in os.environ["PATH"].split(os.pathsep):
471 fn = os.path.join(path, tool)
472 if os.path.isfile(fn) and os.access(fn, os.X_OK):
476 def setup_requiredtool(item):
477 """Process any 'requiredtool' marker for a test.
479 Such a marker lists some external tool (binary, executable, application)
480 that the test requires. If tests are being executed on a system that
481 doesn't have the required tool, the test is marked to be skipped.
484 item: The pytest test item.
490 mark = item.get_marker('requiredtool')
493 for tool in mark.args:
494 if not tool_is_in_path(tool):
495 pytest.skip('tool "%s" not in $PATH' % tool)
497 def start_test_section(item):
498 anchors[item.name] = log.start_section(item.name)
500 def pytest_runtest_setup(item):
501 """pytest hook: Configure (set up) a test item.
503 Called once for each test to perform any custom configuration. This hook
504 is used to skip the test if certain conditions apply.
507 item: The pytest test item.
513 start_test_section(item)
514 setup_boardspec(item)
515 setup_buildconfigspec(item)
516 setup_requiredtool(item)
518 def pytest_runtest_protocol(item, nextitem):
519 """pytest hook: Called to execute a test.
521 This hook wraps the standard pytest runtestprotocol() function in order
522 to acquire visibility into, and record, each test function's result.
525 item: The pytest test item to execute.
526 nextitem: The pytest test item that will be executed after this one.
529 A list of pytest reports (test result data).
532 log.get_and_reset_warning()
533 reports = runtestprotocol(item, nextitem=nextitem)
534 was_warning = log.get_and_reset_warning()
536 # In pytest 3, runtestprotocol() may not call pytest_runtest_setup() if
537 # the test is skipped. That call is required to create the test's section
538 # in the log file. The call to log.end_section() requires that the log
539 # contain a section for this test. Create a section for the test if it
540 # doesn't already exist.
541 if not item.name in anchors:
542 start_test_section(item)
544 failure_cleanup = False
546 test_list = tests_passed
548 msg_log = log.status_pass
550 test_list = tests_warning
551 msg = 'OK (with warning)'
552 msg_log = log.status_warning
553 for report in reports:
554 if report.outcome == 'failed':
555 if hasattr(report, 'wasxfail'):
556 test_list = tests_xpassed
558 msg_log = log.status_xpass
560 failure_cleanup = True
561 test_list = tests_failed
562 msg = 'FAILED:\n' + str(report.longrepr)
563 msg_log = log.status_fail
565 if report.outcome == 'skipped':
566 if hasattr(report, 'wasxfail'):
567 failure_cleanup = True
568 test_list = tests_xfailed
569 msg = 'XFAILED:\n' + str(report.longrepr)
570 msg_log = log.status_xfail
572 test_list = tests_skipped
573 msg = 'SKIPPED:\n' + str(report.longrepr)
574 msg_log = log.status_skipped
577 console.drain_console()
579 test_list.append(item.name)
580 tests_not_run.remove(item.name)
585 # If something went wrong with logging, it's better to let the test
586 # process continue, which may report other exceptions that triggered
587 # the logging issue (e.g. console.log wasn't created). Hence, just
588 # squash the exception. If the test setup failed due to e.g. syntax
589 # error somewhere else, this won't be seen. However, once that issue
590 # is fixed, if this exception still exists, it will then be logged as
591 # part of the test's stdout.
593 print('Exception occurred while logging runtest status:')
594 traceback.print_exc()
595 # FIXME: Can we force a test failure here?
597 log.end_section(item.name)
600 console.cleanup_spawn()