Source code for stestr.config_file

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import os
import re
import sys

import configparser

from stestr.repository import util
from stestr import test_processor


[docs]class TestrConf: """Create a TestrConf object to represent a specified config file This class is used to represent an stestr config file. Or in the case of a tox.ini file the stestr section in the tox.ini file :param str config_file: The path to the config file to use :param str section: The section to use for the stestr config. By default this is DEFATULT. """ _escape_trailing_backslash_re = re.compile(r'(?<=[^\\])\\$') def __init__(self, config_file, section='DEFAULT'): self.parser = configparser.ConfigParser() self.parser.read(config_file) self.config_file = config_file self.section = section def _sanitize_path(self, path): if os.sep == '\\': # Trailing backslashes have to be escaped. Othwerise, the # command we're issuing will be incorrectly interpreted on # Windows. path = self._escape_trailing_backslash_re.sub(r'\\\\', path) return path
[docs] def get_run_command(self, test_ids=None, regexes=None, test_path=None, top_dir=None, group_regex=None, repo_type='file', repo_url=None, serial=False, worker_path=None, concurrency=0, blacklist_file=None, exclude_list=None, whitelist_file=None, include_list=None, black_regex=None, exclude_regex=None, randomize=False, parallel_class=None): """Get a test_processor.TestProcessorFixture for this config file Any parameters about running tests will be used for initialize the output fixture so the settings are correct when that fixture is used to run tests. Parameters will take precedence over values in the config file. :param options: A argparse Namespace object of the cli options that were used in the invocation of the original CLI command that needs a TestProcessorFixture :param list test_ids: an optional list of test_ids to use when running tests :param list regexes: an optional list of regex strings to use for filtering the tests to run. See the test_filters parameter in TestProcessorFixture to see how this is used. :param str test_path: Set the test path to use for unittest discovery. If both this and the corresponding config file option are set, this value will be used. :param str top_dir: The top dir to use for unittest discovery. This takes precedence over the value in the config file. (if one is present in the config file) :param str group_regex: Set a group regex to use for grouping tests together in the stestr scheduler. If both this and the corresponding config file option are set this value will be used. :param str repo_type: This is the type of repository to use. Valid choices are 'file' and 'sql'. :param str repo_url: The url of the repository to use. :param bool serial: If tests are run from the returned fixture, they will be run serially :param str worker_path: Optional path of a manual worker grouping file to use for the run. :param int concurrency: How many processes to use. The default (0) autodetects your CPU count and uses that. :param str blacklist_file: Available now but soon to be replaced by the new option exclude_list below. :param str exclude_list: Path to an exclusion list file, this file contains a separate regex exclude on each newline. :param str whitelist_file: Available now but soon to be replaced by the new option include_list below. :param str include_list: Path to an inclusion list file, this file contains a separate regex on each newline. :param str black_regex: Available now but soon to be replaced by the new option exclude_regex below. :param str exclude_regex: Test rejection regex. If a test cases name matches on re.search() operation, it will be removed from the final test list. :param bool randomize: Randomize the test order after they are partitioned into separate workers :param bool parallel_class: Set the flag to group tests together in the stestr scheduler by class. If both this and the corresponding config file option which includes `group-regex` are set, this value will be used. :returns: a TestProcessorFixture object for the specified config file and any arguments passed into this function :rtype: test_processor.TestProcessorFixture """ if not test_path and self.parser.has_option(self.section, 'test_path'): test_path = self.parser.get(self.section, 'test_path') elif not test_path: sys.exit("No test_path can be found in either the command line " "options nor in the specified config file {}. Please " "specify a test path either in the config file or via " "the --test-path argument".format(self.config_file)) if not top_dir and self.parser.has_option(self.section, 'top_dir'): top_dir = self.parser.get(self.section, 'top_dir') elif not top_dir: top_dir = './' test_path = self._sanitize_path(test_path) top_dir = self._sanitize_path(top_dir) stestr_python = sys.executable # let's try to be explicit, even if it means a longer set of ifs if sys.platform == 'win32': # it may happen, albeit rarely if not stestr_python: raise RuntimeError("The Python interpreter was not found") python = stestr_python else: if os.environ.get('PYTHON'): python = '${PYTHON}' elif stestr_python: python = stestr_python else: raise RuntimeError("The Python interpreter was not found and " "PYTHON is not set") # The python binary path may contain whitespaces. if os.path.exists('"%s"' % python): python = '"%s"' % python command = '%s -m stestr.subunit_runner.run discover -t "%s" "%s" ' \ '$LISTOPT $IDOPTION' % (python, top_dir, test_path) listopt = "--list" idoption = "--load-list $IDFILE" # If the command contains $IDOPTION read that command from config # Use a group regex if one is defined if parallel_class: group_regex = r'([^\.]*\.)*' if not group_regex \ and self.parser.has_option(self.section, 'parallel_class') \ and self.parser.getboolean(self.section, 'parallel_class'): group_regex = r'([^\.]*\.)*' if not group_regex and self.parser.has_option(self.section, 'group_regex'): group_regex = self.parser.get(self.section, 'group_regex') if group_regex: def group_callback(test_id, regex=re.compile(group_regex)): match = regex.match(test_id) if match: return match.group(0) else: group_callback = None # Handle the results repository repository = util.get_repo_open(repo_type, repo_url) return test_processor.TestProcessorFixture( test_ids, command, listopt, idoption, repository, test_filters=regexes, group_callback=group_callback, serial=serial, worker_path=worker_path, concurrency=concurrency, blacklist_file=blacklist_file, exclude_list=exclude_list, black_regex=black_regex, exclude_regex=exclude_regex, whitelist_file=whitelist_file, include_list=include_list, randomize=randomize)