How to use get_all_needed_fixture_ids method in Slash

Best Python code snippet using slash

fixture_store.py

Source:fixture_store.py

...38                                for f in self.iter_all_needed_fixture_objects(p))39        known = self._known_fixture_ids[p.info.id]40        return known.setdefault(combination, len(known))41    def iter_all_needed_fixture_objects(self, fixtureobj):42        for fid in self.get_all_needed_fixture_ids(fixtureobj):43            yield self.get_fixture_by_id(fid)44    def iter_active_fixtures(self):45        for _, fixtures in self._active_fixtures_by_scope.items():46            for f in fixtures.values():47                yield f48    def call_with_fixtures(self, test_func, namespace, trigger_test_start=False, trigger_test_end=False):49        if not nofixtures.is_marked(test_func):50            fixture_names = self.get_required_fixture_names(test_func)51            kwargs = self.get_fixture_dict(fixture_names, namespace)52            used_fixtures_decorator_names = getattr(test_func, '__extrafixtures__', None)53            if used_fixtures_decorator_names is not None:54                used_fixture_names_only = set(used_fixtures_decorator_names) - set(fixture_names)55                for name, fixture in self._get_fixtures_set(used_fixture_names_only, namespace=namespace):56                    self.get_fixture_value(fixture, name=name)57        else:58            kwargs = {}59        try:60            if trigger_test_start:61                for fixture in self.iter_active_fixtures():62                    fixture.call_test_start()63            return test_func(**kwargs)64        finally:65            if trigger_test_end:66                for fixture in self.iter_active_fixtures():67                    with handling_exceptions(swallow=True):68                        fixture.call_test_end()69    def get_required_fixture_names(self, test_func):70        """Returns a list of fixture names needed by test_func.71        Each element returned is either a string or a tuple of (required_name, real_name)72        """73        skip_names = {name for name, _ in iter_parametrization_fixtures(test_func)}74        returned = []75        for argument in get_arguments(test_func):76            if argument.name in skip_names:77                continue78            real_name = get_real_fixture_name_from_argument(argument)79            if real_name == argument.name:80                returned.append(real_name)81            else:82                returned.append((argument.name, real_name))83        return returned84    def get_required_fixture_objects(self, test_func, namespace):85        names = self.get_required_fixture_names(test_func)86        assert isinstance(names, list)87        return set(self.get_fixture_dict(names, namespace=namespace, get_values=False).values())88    def resolve_name(self, parameter_name, start_point, namespace=None):89        if namespace is None:90            namespace = self.get_current_namespace()91        parts = parameter_name.split('.')[::-1]92        if not parts:93            raise UnknownFixtures(parameter_name)94        while parts:95            current_name = parts.pop()96            param_fixtures = dict(iter_parametrization_fixtures(start_point))97            if current_name in param_fixtures:98                if parts: # we cannot decend further than a parameter99                    raise UnknownFixtures(parameter_name)100                start_point = param_fixtures[current_name]101            else:102                start_point = self.get_fixture_by_name(current_name, namespace=namespace)103                namespace = start_point.namespace104        return start_point105    def __iter__(self):106        return iter(self._fixtures_by_id.values())107    def push_namespace(self):108        self._namespaces.append(Namespace(self, parent=self._namespaces[-1]))109    def pop_namespace(self):110        return self._namespaces.pop(-1)111    @contextmanager112    def new_namespace_context(self):113        self.push_namespace()114        try:115            yield116        finally:117            self.pop_namespace()118    def get_current_namespace(self):119        return self._namespaces[-1]120    def get_all_needed_fixture_ids(self, fixtureobj):121        if self._unresolved_fixture_ids:122            raise UnresolvedFixtureStore()123        if isinstance(fixtureobj, Parametrization):124            return frozenset([fixtureobj.info.id])125        returned = self._all_needed_parametrization_ids_by_fixture_id.get(fixtureobj.info.id)126        if returned is None:127            returned = self._compute_all_needed_parametrization_ids(fixtureobj)128            self._all_needed_parametrization_ids_by_fixture_id[fixtureobj.info.id] = returned129        return returned130    def iter_autouse_fixtures_in_namespace(self, namespace=None):131        if namespace is None:132            namespace = self.get_current_namespace()133        for fixture in namespace.iter_fixtures():134            if fixture.info.autouse:...

test_fixture_mechanism.py

Source:test_fixture_mechanism.py

...161    def some_fixture(a, b, c):162        return a + b + c163    with pytest.raises(UnknownFixtures):164        store.resolve()165def test_get_all_needed_fixture_ids(store):166    @store.add_fixture167    @slash.fixture168    @slash.parametrize('param', [1, 2, 3])169    def fixture1(param):  # pylint: disable=unused-argument170        pass171    @store.add_fixture172    @slash.fixture173    def fixture2(fixture1):  # pylint: disable=unused-argument174        pass175    @store.add_fixture176    @slash.fixture177    @slash.parametrize('param', [4, 5, 6])178    def fixture3(fixture2, param):  # pylint: disable=unused-argument179        pass180    fixtureobj = store.get_fixture_by_id(fixture3.__slash_fixture__.id)181    with pytest.raises(UnresolvedFixtureStore):182        store.get_all_needed_fixture_ids(fixtureobj)183    store.resolve()184    assert len(set(store.get_all_needed_fixture_ids(fixtureobj))) == 2185def test_get_all_needed_fixture_ids_of_parametrization(store):186    @store.add_fixture187    @slash.fixture188    @slash.parametrize('param', [1, 2, 3])189    def fixture1(param):  # pylint: disable=unused-argument190        pass191    fixtureobj = store.get_fixture_by_id(fixture1.__slash_fixture__.id)192    [(_, param_fixtureobj)] = iter_parametrization_fixtures(fixture1)193    with pytest.raises(UnresolvedFixtureStore):194        store.get_all_needed_fixture_ids(fixtureobj)195    store.resolve()196    needed = set(store.get_all_needed_fixture_ids(param_fixtureobj))197    assert len(needed) == 1198    assert needed == set([param_fixtureobj.info.id])199def test_fixture_store_iter_parametrization_variations_missing_fixtures(store):200    def test_func(needed_fixture):201        pass202    with pytest.raises(UnknownFixtures):203        list(store.iter_parametrization_variations(funcs=[test_func]))204def test_fixture_store_iter_parametrization_variations_unresolved(store):205    @store.add_fixture206    @slash.fixture207    @slash.parametrize('x', [1, 2, 3])208    def needed_fixture(x):209        pass210    def test_func(needed_fixture):...

variation_factory.py

Source:variation_factory.py

...76    def iter_variations(self):77        needed_ids = OrderedSet()78        self._needed_fixtures.sort(key=lambda x: x.info.scope, reverse=True)79        for fixture in self._needed_fixtures:80            needed_ids.update(self._store.get_all_needed_fixture_ids(fixture))81        parametrizations = [self._store.get_fixture_by_id(param_id) for param_id in needed_ids]82        if not needed_ids:83            yield Variation(self._store, {}, {})84            return85        for value_indices in itertools.product(*(range(len(p.values)) for p in parametrizations)):86            yield self._build_variation(parametrizations, value_indices)87    def _build_variation(self, parametrizations, value_indices):88        value_index_by_id = {}89        for param, param_index in zip(parametrizations, value_indices):90            value_index_by_id[param.info.id] = param_index...

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