188 lines
7.1 KiB
Python
188 lines
7.1 KiB
Python
# SPDX-License-Identifier: GPL-2.0+
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#
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# Copyright (c) 2016 Google, Inc
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#
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from contextlib import contextmanager
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import doctest
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import glob
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import multiprocessing
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import os
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import sys
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import unittest
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from patman import command
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from io import StringIO
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use_concurrent = True
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try:
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from concurrencytest.concurrencytest import ConcurrentTestSuite
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from concurrencytest.concurrencytest import fork_for_tests
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except:
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use_concurrent = False
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def run_test_coverage(prog, filter_fname, exclude_list, build_dir, required=None,
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extra_args=None):
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"""Run tests and check that we get 100% coverage
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Args:
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prog: Program to run (with be passed a '-t' argument to run tests
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filter_fname: Normally all *.py files in the program's directory will
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be included. If this is not None, then it is used to filter the
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list so that only filenames that don't contain filter_fname are
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included.
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exclude_list: List of file patterns to exclude from the coverage
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calculation
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build_dir: Build directory, used to locate libfdt.py
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required: List of modules which must be in the coverage report
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extra_args (str): Extra arguments to pass to the tool before the -t/test
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arg
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Raises:
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ValueError if the code coverage is not 100%
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"""
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# This uses the build output from sandbox_spl to get _libfdt.so
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path = os.path.dirname(prog)
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if filter_fname:
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glob_list = glob.glob(os.path.join(path, '*.py'))
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glob_list = [fname for fname in glob_list if filter_fname in fname]
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else:
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glob_list = []
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glob_list += exclude_list
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glob_list += ['*libfdt.py', '*site-packages*', '*dist-packages*']
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glob_list += ['*concurrencytest*']
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test_cmd = 'test' if 'binman' in prog or 'patman' in prog else '-t'
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prefix = ''
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if build_dir:
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prefix = 'PYTHONPATH=$PYTHONPATH:%s/sandbox_spl/tools ' % build_dir
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cmd = ('%spython3-coverage run '
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'--omit "%s" %s %s %s -P1' % (prefix, ','.join(glob_list),
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prog, extra_args or '', test_cmd))
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os.system(cmd)
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stdout = command.output('python3-coverage', 'report')
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lines = stdout.splitlines()
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if required:
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# Convert '/path/to/name.py' just the module name 'name'
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test_set = set([os.path.splitext(os.path.basename(line.split()[0]))[0]
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for line in lines if '/etype/' in line])
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missing_list = required
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missing_list.discard('__init__')
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missing_list.difference_update(test_set)
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if missing_list:
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print('Missing tests for %s' % (', '.join(missing_list)))
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print(stdout)
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ok = False
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coverage = lines[-1].split(' ')[-1]
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ok = True
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print(coverage)
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if coverage != '100%':
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print(stdout)
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print("Type 'python3-coverage html' to get a report in "
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'htmlcov/index.html')
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print('Coverage error: %s, but should be 100%%' % coverage)
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ok = False
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if not ok:
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raise ValueError('Test coverage failure')
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# Use this to suppress stdout/stderr output:
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# with capture_sys_output() as (stdout, stderr)
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# ...do something...
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@contextmanager
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def capture_sys_output():
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capture_out, capture_err = StringIO(), StringIO()
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old_out, old_err = sys.stdout, sys.stderr
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try:
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sys.stdout, sys.stderr = capture_out, capture_err
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yield capture_out, capture_err
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finally:
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sys.stdout, sys.stderr = old_out, old_err
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def report_result(toolname:str, test_name: str, result: unittest.TestResult):
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"""Report the results from a suite of tests
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Args:
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toolname: Name of the tool that ran the tests
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test_name: Name of test that was run, or None for all
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result: A unittest.TestResult object containing the results
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"""
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print(result)
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for test, err in result.errors:
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print(test.id(), err)
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for test, err in result.failures:
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print(test.id(), err)
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if result.skipped:
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print('%d %s test%s SKIPPED:' % (len(result.skipped), toolname,
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's' if len(result.skipped) > 1 else ''))
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for skip_info in result.skipped:
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print('%s: %s' % (skip_info[0], skip_info[1]))
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if result.errors or result.failures:
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print('%s tests FAILED' % toolname)
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return 1
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return 0
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def run_test_suites(result, debug, verbosity, test_preserve_dirs, processes,
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test_name, toolpath, class_and_module_list):
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"""Run a series of test suites and collect the results
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Args:
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result: A unittest.TestResult object to add the results to
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debug: True to enable debugging, which shows a full stack trace on error
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verbosity: Verbosity level to use (0-4)
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test_preserve_dirs: True to preserve the input directory used by tests
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so that it can be examined afterwards (only useful for debugging
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tests). If a single test is selected (in args[0]) it also preserves
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the output directory for this test. Both directories are displayed
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on the command line.
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processes: Number of processes to use to run tests (None=same as #CPUs)
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test_name: Name of test to run, or None for all
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toolpath: List of paths to use for tools
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class_and_module_list: List of test classes (type class) and module
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names (type str) to run
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"""
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for module in class_and_module_list:
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if isinstance(module, str) and (not test_name or test_name == module):
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suite = doctest.DocTestSuite(module)
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suite.run(result)
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sys.argv = [sys.argv[0]]
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if debug:
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sys.argv.append('-D')
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if verbosity:
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sys.argv.append('-v%d' % verbosity)
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if toolpath:
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for path in toolpath:
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sys.argv += ['--toolpath', path]
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suite = unittest.TestSuite()
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loader = unittest.TestLoader()
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for module in class_and_module_list:
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if isinstance(module, str):
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continue
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# Test the test module about our arguments, if it is interested
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if hasattr(module, 'setup_test_args'):
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setup_test_args = getattr(module, 'setup_test_args')
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setup_test_args(preserve_indir=test_preserve_dirs,
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preserve_outdirs=test_preserve_dirs and test_name is not None,
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toolpath=toolpath, verbosity=verbosity)
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if test_name:
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# Since Python v3.5 If an ImportError or AttributeError occurs
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# while traversing a name then a synthetic test that raises that
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# error when run will be returned. Check that the requested test
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# exists, otherwise these errors are included in the results.
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if test_name in loader.getTestCaseNames(module):
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suite.addTests(loader.loadTestsFromName(test_name, module))
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else:
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suite.addTests(loader.loadTestsFromTestCase(module))
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if use_concurrent and processes != 1:
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concurrent_suite = ConcurrentTestSuite(suite,
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fork_for_tests(processes or multiprocessing.cpu_count()))
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concurrent_suite.run(result)
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else:
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suite.run(result)
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