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How to use _populate_fixtures method in Slash

Best Python code snippet using slash

test_fixture_scoping.py

Source:test_fixture_scoping.py

...74        self._fixtures = {}75        self._fixture_namegen = ('fixture_{:05}'.format(x)76                                 for x in itertools.count(1000))77        self._required_names = []78        self._populate_fixtures()79        self._values = {}80    def check_values(self):81        values = self._fixture_store.get_fixture_dict(self._required_names)82        for required_name in self._required_names:83            assert values[required_name] is not None84            expected_value = self._values[required_name]85            assert values[required_name] == expected_value86        assert not (set(self._fixtures) - set(self._required_names)87                    ).intersection(self._values), 'Non-necessary fixtures unexpectedly initialized!'88    def check_value(self, name, value):89        assert self._values[name] == value90    def make_value(self, name):91        assert name not in self._values, 'Fixture generated more than once! (scope={})'.format(92            get_scope_name_by_scope(self._fixtures[name].__slash_fixture__.scope))93        value = str(uuid1())94        self._values[name] = value95        return value96    def cleanup(self, name):97        assert name not in self._cleanups_made98        self._cleanups_made.add(name)99    @contextmanager100    def testing_scope(self, scope):101        self._fixture_store.push_scope(scope)102        yield103        self._fixture_store.pop_scope(scope)104        scope_id = get_scope_by_name(scope)105        for fixture_name, fixture in self._fixtures.items():106            if fixture.__slash_fixture__.scope <= scope_id:107                if fixture_name in self._values:108                    assert fixture_name in self._cleanups_made109                    self._cleanups_made.remove(fixture_name)110                    self._values.pop(fixture_name)111        assert not self._cleanups_made, 'Unknown cleanups called'112    def _populate_fixtures(self):113        assert not self._fixtures114        graph = self._structure.graph115        key_to_fixture_name = dict((key, next(self._fixture_namegen))116                                   for key in graph)117        stack = list(self._structure.graph)118        while stack:119            fixture_key = stack.pop()120            dependent_keys = graph[fixture_key]121            unresolved = [k for k in dependent_keys if key_to_fixture_name[k]122                          not in self._fixtures]123            if unresolved:124                stack.append(fixture_key)125                stack.extend(unresolved)126                continue...

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