Ejemplo n.º 1
0
    def _check_package(self,
                       depth,
                       alter_sys=False,
                       *,
                       namespace=False,
                       parent_namespaces=False):
        pkg_dir, mod_fname, mod_name, mod_spec = (self._make_pkg(
            example_source,
            depth,
            "__main__",
            namespace=namespace,
            parent_namespaces=parent_namespaces))
        pkg_name = mod_name.rpartition(".")[0]
        forget(mod_name)
        expected_ns = example_namespace.copy()
        expected_ns.update({
            "__name__":
            mod_name,
            "__file__":
            mod_fname,
            "__cached__":
            importlib.util.cache_from_source(mod_fname),
            "__package__":
            pkg_name,
            "__spec__":
            mod_spec,
        })
        if alter_sys:
            expected_ns.update({
                "run_argv0": mod_fname,
                "run_name_in_sys_modules": True,
                "module_in_sys_modules": True,
            })

        def create_ns(init_globals):
            return run_module(pkg_name, init_globals, alter_sys=alter_sys)

        try:
            if verbose > 1: print("Running from source:", pkg_name)
            self.check_code_execution(create_ns, expected_ns)
            importlib.invalidate_caches()
            __import__(mod_name)
            os.remove(mod_fname)
            if not sys.dont_write_bytecode:
                make_legacy_pyc(mod_fname)
                unload(mod_name)  # In case loader caches paths
                if verbose > 1: print("Running from compiled:", pkg_name)
                importlib.invalidate_caches()
                self._fix_ns_for_legacy_pyc(expected_ns, alter_sys)
                self.check_code_execution(create_ns, expected_ns)
        finally:
            self._del_pkg(pkg_dir)
        if verbose > 1: print("Package executed successfully")
Ejemplo n.º 2
0
    def run_tests_sequential(self):
        if self.ns.trace:
            import trace
            self.tracer = trace.Trace(trace=False, count=True)

        save_modules = sys.modules.keys()

        print("Run tests sequentially")

        previous_test = None
        for test_index, test_name in enumerate(self.tests, 1):
            start_time = time.monotonic()

            text = test_name
            if previous_test:
                text = '%s -- %s' % (text, previous_test)
            self.display_progress(test_index, text)

            if self.tracer:
                # If we're tracing code coverage, then we don't exit with status
                # if on a false return value from main.
                cmd = ('result = runtest(self.ns, test_name); '
                       'self.accumulate_result(result)')
                ns = dict(locals())
                self.tracer.runctx(cmd, globals=globals(), locals=ns)
                result = ns['result']
            else:
                result = runtest(self.ns, test_name)
                self.accumulate_result(result)

            if result.result == INTERRUPTED:
                break

            previous_test = format_test_result(result)
            test_time = time.monotonic() - start_time
            if test_time >= PROGRESS_MIN_TIME:
                previous_test = "%s in %s" % (previous_test,
                                              format_duration(test_time))
            elif result[0] == PASSED:
                # be quiet: say nothing if the test passed shortly
                previous_test = None

            # Unload the newly imported modules (best effort finalization)
            for module in sys.modules.keys():
                if module not in save_modules and module.startswith("test."):
                    import_helper.unload(module)

        if previous_test:
            print(previous_test)
Ejemplo n.º 3
0
def _runtest_inner2(ns, test_name):
    # Load the test function, run the test function, handle huntrleaks
    # and findleaks to detect leaks

    abstest = get_abs_module(ns, test_name)

    # remove the module from sys.module to reload it if it was already imported
    import_helper.unload(abstest)

    the_module = importlib.import_module(abstest)

    if ns.huntrleaks:
        from test.libregrtest.refleak import dash_R

    # If the test has a test_main, that will run the appropriate
    # tests.  If not, use normal unittest test loading.
    test_runner = getattr(the_module, "test_main", None)
    if test_runner is None:
        test_runner = functools.partial(_test_module, the_module)

    try:
        with save_env(ns, test_name):
            if ns.huntrleaks:
                # Return True if the test leaked references
                refleak = dash_R(ns, test_name, test_runner)
            else:
                test_runner()
                refleak = False
    finally:
        cleanup_test_droppings(test_name, ns.verbose)

    support.gc_collect()

    if gc.garbage:
        support.environment_altered = True
        print_warning(f"{test_name} created {len(gc.garbage)} "
                      f"uncollectable object(s).")

        # move the uncollectable objects somewhere,
        # so we don't see them again
        FOUND_GARBAGE.extend(gc.garbage)
        gc.garbage.clear()

    support.reap_children()

    return refleak
Ejemplo n.º 4
0
    def test_module_not_package_but_side_effects(self):
        # If a module injects something into sys.modules as a side-effect, then
        # pick up on that fact.
        name = 'mod'
        subname = name + '.b'

        def module_injection():
            sys.modules[subname] = 'total bunk'

        mock_spec = util.mock_spec('mod',
                                   module_code={'mod': module_injection})
        with mock_spec as mock:
            with util.import_state(meta_path=[mock]):
                try:
                    submodule = self.__import__(subname)
                finally:
                    import_helper.unload(subname)
Ejemplo n.º 5
0
    def _check_relative_imports(self, depth, run_name=None):
        contents = r"""\
from __future__ import absolute_import
from . import sibling
from ..uncle.cousin import nephew
"""
        pkg_dir, mod_fname, mod_name, mod_spec = (self._make_pkg(
            contents, depth))
        if run_name is None:
            expected_name = mod_name
        else:
            expected_name = run_name
        try:
            self._add_relative_modules(pkg_dir, contents, depth)
            pkg_name = mod_name.rpartition('.')[0]
            if verbose > 1: print("Running from source:", mod_name)
            d1 = run_module(mod_name, run_name=run_name)  # Read from source
            self.assertEqual(d1["__name__"], expected_name)
            self.assertEqual(d1["__package__"], pkg_name)
            self.assertIn("sibling", d1)
            self.assertIn("nephew", d1)
            del d1  # Ensure __loader__ entry doesn't keep file open
            importlib.invalidate_caches()
            __import__(mod_name)
            os.remove(mod_fname)
            if not sys.dont_write_bytecode:
                make_legacy_pyc(mod_fname)
                unload(mod_name)  # In case the loader caches paths
                if verbose > 1: print("Running from compiled:", mod_name)
                importlib.invalidate_caches()
                d2 = run_module(mod_name,
                                run_name=run_name)  # Read from bytecode
                self.assertEqual(d2["__name__"], expected_name)
                self.assertEqual(d2["__package__"], pkg_name)
                self.assertIn("sibling", d2)
                self.assertIn("nephew", d2)
                del d2  # Ensure __loader__ entry doesn't keep file open
        finally:
            self._del_pkg(pkg_dir)
        if verbose > 1: print("Module executed successfully")
Ejemplo n.º 6
0
    def test_file_parse(self):
        # issue1134: all encodings outside latin-1 and utf-8 fail on
        # multiline strings and long lines (>512 columns)
        unload(TESTFN)
        filename = TESTFN + ".py"
        f = open(filename, "w", encoding="cp1252")
        sys.path.insert(0, os.curdir)
        try:
            with f:
                f.write("# -*- coding: cp1252 -*-\n")
                f.write("'''A short string\n")
                f.write("'''\n")
                f.write("'A very long string %s'\n" % ("X" * 1000))

            importlib.invalidate_caches()
            __import__(TESTFN)
        finally:
            del sys.path[0]
            unlink(filename)
            unlink(filename + "c")
            unlink(filename + "o")
            unload(TESTFN)
            rmtree('__pycache__')
Ejemplo n.º 7
0
 def setUp(self):
     import_helper.unload(self.module_name)
     self.addCleanup(import_helper.unload, self.module_name)
Ejemplo n.º 8
0
 def test_unload(self):
     import sched
     self.assertIn("sched", sys.modules)
     import_helper.unload("sched")
     self.assertNotIn("sched", sys.modules)