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Diffstat (limited to 'lib/spack/external/nose/plugins/cover.py')
| -rw-r--r-- | lib/spack/external/nose/plugins/cover.py | 271 |
1 files changed, 0 insertions, 271 deletions
diff --git a/lib/spack/external/nose/plugins/cover.py b/lib/spack/external/nose/plugins/cover.py deleted file mode 100644 index fbe2e30dcd..0000000000 --- a/lib/spack/external/nose/plugins/cover.py +++ /dev/null @@ -1,271 +0,0 @@ -"""If you have Ned Batchelder's coverage_ module installed, you may activate a -coverage report with the ``--with-coverage`` switch or NOSE_WITH_COVERAGE -environment variable. The coverage report will cover any python source module -imported after the start of the test run, excluding modules that match -testMatch. If you want to include those modules too, use the ``--cover-tests`` -switch, or set the NOSE_COVER_TESTS environment variable to a true value. To -restrict the coverage report to modules from a particular package or packages, -use the ``--cover-package`` switch or the NOSE_COVER_PACKAGE environment -variable. - -.. _coverage: http://www.nedbatchelder.com/code/modules/coverage.html -""" -import logging -import re -import sys -import StringIO -from nose.plugins.base import Plugin -from nose.util import src, tolist - -log = logging.getLogger(__name__) - - -class Coverage(Plugin): - """ - Activate a coverage report using Ned Batchelder's coverage module. - """ - coverTests = False - coverPackages = None - coverInstance = None - coverErase = False - coverMinPercentage = None - score = 200 - status = {} - - def options(self, parser, env): - """ - Add options to command line. - """ - super(Coverage, self).options(parser, env) - parser.add_option("--cover-package", action="append", - default=env.get('NOSE_COVER_PACKAGE'), - metavar="PACKAGE", - dest="cover_packages", - help="Restrict coverage output to selected packages " - "[NOSE_COVER_PACKAGE]") - parser.add_option("--cover-erase", action="store_true", - default=env.get('NOSE_COVER_ERASE'), - dest="cover_erase", - help="Erase previously collected coverage " - "statistics before run") - parser.add_option("--cover-tests", action="store_true", - dest="cover_tests", - default=env.get('NOSE_COVER_TESTS'), - help="Include test modules in coverage report " - "[NOSE_COVER_TESTS]") - parser.add_option("--cover-min-percentage", action="store", - dest="cover_min_percentage", - default=env.get('NOSE_COVER_MIN_PERCENTAGE'), - help="Minimum percentage of coverage for tests " - "to pass [NOSE_COVER_MIN_PERCENTAGE]") - parser.add_option("--cover-inclusive", action="store_true", - dest="cover_inclusive", - default=env.get('NOSE_COVER_INCLUSIVE'), - help="Include all python files under working " - "directory in coverage report. Useful for " - "discovering holes in test coverage if not all " - "files are imported by the test suite. " - "[NOSE_COVER_INCLUSIVE]") - parser.add_option("--cover-html", action="store_true", - default=env.get('NOSE_COVER_HTML'), - dest='cover_html', - help="Produce HTML coverage information") - parser.add_option('--cover-html-dir', action='store', - default=env.get('NOSE_COVER_HTML_DIR', 'cover'), - dest='cover_html_dir', - metavar='DIR', - help='Produce HTML coverage information in dir') - parser.add_option("--cover-branches", action="store_true", - default=env.get('NOSE_COVER_BRANCHES'), - dest="cover_branches", - help="Include branch coverage in coverage report " - "[NOSE_COVER_BRANCHES]") - parser.add_option("--cover-xml", action="store_true", - default=env.get('NOSE_COVER_XML'), - dest="cover_xml", - help="Produce XML coverage information") - parser.add_option("--cover-xml-file", action="store", - default=env.get('NOSE_COVER_XML_FILE', 'coverage.xml'), - dest="cover_xml_file", - metavar="FILE", - help="Produce XML coverage information in file") - - def configure(self, options, conf): - """ - Configure plugin. - """ - try: - self.status.pop('active') - except KeyError: - pass - super(Coverage, self).configure(options, conf) - if self.enabled: - try: - import coverage - if not hasattr(coverage, 'coverage'): - raise ImportError("Unable to import coverage module") - except ImportError: - log.error("Coverage not available: " - "unable to import coverage module") - self.enabled = False - return - self.conf = conf - self.coverErase = options.cover_erase - self.coverTests = options.cover_tests - self.coverPackages = [] - if options.cover_packages: - if isinstance(options.cover_packages, (list, tuple)): - cover_packages = options.cover_packages - else: - cover_packages = [options.cover_packages] - for pkgs in [tolist(x) for x in cover_packages]: - self.coverPackages.extend(pkgs) - self.coverInclusive = options.cover_inclusive - if self.coverPackages: - log.info("Coverage report will include only packages: %s", - self.coverPackages) - self.coverHtmlDir = None - if options.cover_html: - self.coverHtmlDir = options.cover_html_dir - log.debug('Will put HTML coverage report in %s', self.coverHtmlDir) - self.coverBranches = options.cover_branches - self.coverXmlFile = None - if options.cover_min_percentage: - self.coverMinPercentage = int(options.cover_min_percentage.rstrip('%')) - if options.cover_xml: - self.coverXmlFile = options.cover_xml_file - log.debug('Will put XML coverage report in %s', self.coverXmlFile) - if self.enabled: - self.status['active'] = True - self.coverInstance = coverage.coverage(auto_data=False, - branch=self.coverBranches, data_suffix=conf.worker, - source=self.coverPackages) - self.coverInstance._warn_no_data = False - self.coverInstance.is_worker = conf.worker - self.coverInstance.exclude('#pragma[: ]+[nN][oO] [cC][oO][vV][eE][rR]') - - log.debug("Coverage begin") - self.skipModules = sys.modules.keys()[:] - if self.coverErase: - log.debug("Clearing previously collected coverage statistics") - self.coverInstance.combine() - self.coverInstance.erase() - - if not self.coverInstance.is_worker: - self.coverInstance.load() - self.coverInstance.start() - - - def beforeTest(self, *args, **kwargs): - """ - Begin recording coverage information. - """ - - if self.coverInstance.is_worker: - self.coverInstance.load() - self.coverInstance.start() - - def afterTest(self, *args, **kwargs): - """ - Stop recording coverage information. - """ - - if self.coverInstance.is_worker: - self.coverInstance.stop() - self.coverInstance.save() - - - def report(self, stream): - """ - Output code coverage report. - """ - log.debug("Coverage report") - self.coverInstance.stop() - self.coverInstance.combine() - self.coverInstance.save() - modules = [module - for name, module in sys.modules.items() - if self.wantModuleCoverage(name, module)] - log.debug("Coverage report will cover modules: %s", modules) - self.coverInstance.report(modules, file=stream) - - import coverage - if self.coverHtmlDir: - log.debug("Generating HTML coverage report") - try: - self.coverInstance.html_report(modules, self.coverHtmlDir) - except coverage.misc.CoverageException, e: - log.warning("Failed to generate HTML report: %s" % str(e)) - - if self.coverXmlFile: - log.debug("Generating XML coverage report") - try: - self.coverInstance.xml_report(modules, self.coverXmlFile) - except coverage.misc.CoverageException, e: - log.warning("Failed to generate XML report: %s" % str(e)) - - # make sure we have minimum required coverage - if self.coverMinPercentage: - f = StringIO.StringIO() - self.coverInstance.report(modules, file=f) - - multiPackageRe = (r'-------\s\w+\s+\d+\s+\d+(?:\s+\d+\s+\d+)?' - r'\s+(\d+)%\s+\d*\s{0,1}$') - singlePackageRe = (r'-------\s[\w./]+\s+\d+\s+\d+(?:\s+\d+\s+\d+)?' - r'\s+(\d+)%(?:\s+[-\d, ]+)\s{0,1}$') - - m = re.search(multiPackageRe, f.getvalue()) - if m is None: - m = re.search(singlePackageRe, f.getvalue()) - - if m: - percentage = int(m.groups()[0]) - if percentage < self.coverMinPercentage: - log.error('TOTAL Coverage did not reach minimum ' - 'required: %d%%' % self.coverMinPercentage) - sys.exit(1) - else: - log.error("No total percentage was found in coverage output, " - "something went wrong.") - - - def wantModuleCoverage(self, name, module): - if not hasattr(module, '__file__'): - log.debug("no coverage of %s: no __file__", name) - return False - module_file = src(module.__file__) - if not module_file or not module_file.endswith('.py'): - log.debug("no coverage of %s: not a python file", name) - return False - if self.coverPackages: - for package in self.coverPackages: - if (re.findall(r'^%s\b' % re.escape(package), name) - and (self.coverTests - or not self.conf.testMatch.search(name))): - log.debug("coverage for %s", name) - return True - if name in self.skipModules: - log.debug("no coverage for %s: loaded before coverage start", - name) - return False - if self.conf.testMatch.search(name) and not self.coverTests: - log.debug("no coverage for %s: is a test", name) - return False - # accept any package that passed the previous tests, unless - # coverPackages is on -- in that case, if we wanted this - # module, we would have already returned True - return not self.coverPackages - - def wantFile(self, file, package=None): - """If inclusive coverage enabled, return true for all source files - in wanted packages. - """ - if self.coverInclusive: - if file.endswith(".py"): - if package and self.coverPackages: - for want in self.coverPackages: - if package.startswith(want): - return True - else: - return True - return None |