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How to use get_fixture_dict method in Slash

Best Python code snippet using slash

fixture_store.py

Source:fixture_store.py

...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:135                yield fixture136    def activate_autouse_fixtures_in_namespace(self, namespace):137        for fixture in self.iter_autouse_fixtures_in_namespace(namespace):138            _ = self.get_fixture_value(fixture)139    def _compute_all_needed_parametrization_ids(self, fixtureobj):140        stack = [(fixtureobj.info.id, [fixtureobj.info.id], set([fixtureobj.info.id]))]141        returned = OrderedSet()142        while stack:143            fixture_id, path, visited = stack.pop()144            if fixture_id in self._all_needed_parametrization_ids_by_fixture_id:145                returned.update(self._all_needed_parametrization_ids_by_fixture_id[fixture_id])146                continue147            fixture = self._fixtures_by_id[fixture_id]148            if fixture.parametrization_ids:149                assert isinstance(fixture.parametrization_ids, OrderedSet)150                returned.update(fixture.parametrization_ids)151            if fixture.keyword_arguments:152                for needed in fixture.keyword_arguments.values():153                    if needed.is_parameter():154                        continue155                    needed_id = needed.info.id156                    if needed_id in visited:157                        self._raise_cyclic_dependency_error(fixtureobj, path, needed_id)158                    stack.append((needed_id, path + [needed_id], visited | set([needed_id])))159        return returned160    def _raise_cyclic_dependency_error(self, fixtureobj, path, new_id):161        raise CyclicFixtureDependency(162            'Cyclic fixture dependency detected in {}: {}'.format(163                fixtureobj.info.func.__code__.co_filename,164                ' -> '.join(self._fixtures_by_id[f_id].info.name165                            for f_id in path + [new_id])))166    def push_scope(self, scope):167        scope = get_scope_by_name(scope)168    def pop_scope(self, scope): # pylint: disable=unused-argument169        if slash_context.result is not None and slash_context.result.is_interrupted():170            return171        scope = get_scope_by_name(scope)172        for s, active_fixtures in self._active_fixtures_by_scope.items():173            if s <= scope:174                for active_fixture in reversed(list(active_fixtures.values())):175                    with handling_exceptions(swallow=True):176                        self._deactivate_fixture(active_fixture.fixture)177                assert not active_fixtures178    def ensure_known_parametrization(self, parametrization):179        if parametrization.info.id not in self._fixtures_by_id:180            self._fixtures_by_id[parametrization.info.id] = parametrization181    def add_fixtures_from_dict(self, d):182        for thing in d.values():183            fixture_info = getattr(thing, '__slash_fixture__', None)184            if fixture_info is None:185                continue186            assert self.get_current_namespace() is self._namespaces[-1]187            fixture_info = self.add_fixture(thing).__slash_fixture__188            self.get_current_namespace().add_name(189                fixture_info.name, fixture_info.id)190    def add_fixture(self, fixture_func):191        fixture_info = fixture_func.__slash_fixture__192        existing_fixture = self._fixtures_by_id.get(fixture_info.id)193        if existing_fixture is not None:194            return existing_fixture.fixture_func195        if is_valid_test_name(fixture_info.name):196            raise InvalidFixtureName('Invalid fixture name: {.name}'.format(fixture_info))197        fixture_object = Fixture(self, fixture_func)198        current_namespace = self._namespaces[-1]199        current_namespace.add_name(fixture_info.name, fixture_info.id)200        self.register_fixture_id(fixture_object)201        return fixture_func202    def register_fixture_id(self, f):203        if f.info.id in self._fixtures_by_id:204            return205        self._fixtures_by_id[f.info.id] = f206        self._unresolved_fixture_ids.add(f.info.id)207    def get_fixture_by_name(self, name, namespace=None):208        if namespace is None:209            namespace = self._namespaces[-1]210        return namespace.get_fixture_by_name(name)211    def get_fixture_by_argument(self, arg):212        return self.get_fixture_by_name(get_real_fixture_name_from_argument(arg))213    def get_fixture_by_id(self, fixture_id):214        return self._fixtures_by_id[fixture_id]215    def get_fixture_dict(self, fixture_names, namespace=None, get_values=True, skip_names=frozenset()):216        returned = {}217        if namespace is None:218            namespace = self.get_current_namespace()219        fixtures_set = self._get_fixtures_set(fixture_names, skip_names=skip_names, namespace=namespace)220        for required_name, fixture in fixtures_set:221            if get_values:222                fixture = self.get_fixture_value(fixture, name=required_name)223            if required_name in fixture_names or [element for element in fixture_names if required_name in element]:224                returned[required_name] = fixture225        return returned226    def _get_fixtures_set(self, fixture_names, namespace=None, skip_names=frozenset(), fixtures_set=None):227        if fixtures_set is None:228            fixtures_set = OrderedSet()229        for element in fixture_names:...

test_fixture_mechanism.py

Source:test_fixture_mechanism.py

...19    @_fixture20    def fixture3():21        return next(generation)22    store.resolve()23    d = store.get_fixture_dict(['fixture1', 'fixture2', 'fixture3'])24    for i in [1, 2, 3]:25        assert d['fixture{}'.format(i)] == i26def test_fixture_id_remains_even_when_context_popped(store):27    @slash.fixture28    def fixture0():29        pass30    store.push_namespace()31    store.add_fixture(fixture0)32    store.resolve()33    fixture_obj = store.get_fixture_by_name('fixture0')34    assert fixture_obj.fixture_func is fixture035    fixture_id = fixture_obj.info.id36    assert store.get_fixture_by_id(fixture_id) is fixture_obj37    store.pop_namespace()38    with pytest.raises(UnknownFixtures):39        store.get_fixture_by_name('fixture0')40    assert store.get_fixture_by_id(fixture_id) is fixture_obj41def test_namespace_get_fixture_by_name_default(store):42    obj = object()43    assert store.get_current_namespace().get_fixture_by_name('nonexisting', default=obj) is obj44def test_namespace_get_fixture_by_name_no_default(store):45    ns = store.get_current_namespace()46    with pytest.raises(UnknownFixtures):47        ns.get_fixture_by_name('nonexisting')48def test_variations_no_names(store):49    assert list(store.iter_parametrization_variations([])) == [{}]50def test_adding_fixture_twice_to_store(store):51    @slash.fixture52    def fixture0():53        pass54    store.add_fixture(fixture0)55    fixtureobj = store.get_fixture_by_name('fixture0')56    store.add_fixture(fixture0)57    assert store.get_fixture_by_name('fixture0') is fixtureobj58def test_fixture_store_namespace_repr(store):59    @store.add_fixture60    @slash.fixture61    def fixture0():62        pass63    ns = store.get_current_namespace()64    assert str(ns) == repr(ns)65    assert repr(ns) == 'Fixture NS#0: fixture0'66def test_fixture_parameters(store):67    @store.add_fixture68    @slash.fixture69    def value(x, a):70        assert a == 'a', 'Fixture got unexpectedly overriden by parameter'71        return x72    @store.add_fixture73    @slash.fixture74    def a():75        return 'a'76    @store.add_fixture77    @slash.fixture78    @slash.parametrize('a', [1, 2, 3])79    def x(a, b):80        return (a, b)81    @store.add_fixture82    @slash.parametrize('b', [4, 5, 6])83    @slash.fixture84    def b(b):85        return b86    store.resolve()87    with slash.Session():88        variations = list(_get_all_values(store, 'value'))89    assert set(variations) == set(itertools.product([1, 2, 3], [4, 5, 6]))90def test_fixture_tuple_parameters(store):91    @store.add_fixture92    @slash.fixture93    @slash.parametrize(('a', 'b'), [(1, 2), (3, 4)])94    def x(a, b):95        return a + b96    store.resolve()97    with slash.Session():98        variations = list(_get_all_values(store, 'x'))99    assert variations == [3, 7]100def test_variation_equality(store):101    @store.add_fixture102    @slash.fixture103    @slash.parametrize('a', [1, 2, 3])104    def fixture(a):105        pass106    store.resolve()107    prev_variation = None108    for variation in store.iter_parametrization_variations(fixture_ids=[store.get_fixture_by_name('fixture').info.id]):109        assert variation == variation110        assert not (variation != variation)  # pylint: disable=superfluous-parens111        assert variation != prev_variation112        assert not (variation == prev_variation)  # pylint: disable=superfluous-parens113        prev_variation = variation114def _get_all_values(store, fixture_name):115    returned = []116    for variation in store.iter_parametrization_variations(fixture_ids=[store.get_fixture_by_name(fixture_name).info.id]):117        store.push_scope('test')118        with bound_parametrizations_context(variation, store, store.get_current_namespace()):119            returned.append(120                store.get_fixture_dict([fixture_name])[fixture_name])121        store.pop_scope('test')122    return returned123@pytest.mark.parametrize('scopes', [('module', 'test'), ('session', 'module'), ('session', 'test')])124def test_wrong_scoping(store, scopes):125    @store.add_fixture126    @slash.fixture(scope=scopes[0])127    def fixture1(fixture2):128        pass129    @store.add_fixture130    @slash.fixture(scope=scopes[1])131    def fixture2():132        pass133    with pytest.raises(InvalidFixtureScope):134        store.resolve()135def test_this_argument(store):136    @store.add_fixture137    @slash.fixture138    def sample(this, other):139        assert this.name == 'sample'140        assert other == 'ok_other'141        return 'ok_sample'142    @store.add_fixture143    @slash.fixture144    def other(this):145        assert this.name == 'other'146        return 'ok_other'147    store.resolve()148    assert store.get_fixture_dict(['sample']) == {149        'sample': 'ok_sample',150    }151def test_fixture_store_unresolved(store):152    @store.add_fixture153    @slash.fixture154    def some_fixture(a, b, c):155        return a + b + c156    with pytest.raises(UnresolvedFixtureStore):157        store.get_fixture_dict(['some_fixture'])158def test_fixture_store_resolve_missing_fixtures(store):159    @store.add_fixture160    @slash.fixture161    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):211        pass212    with pytest.raises(UnresolvedFixtureStore):213        list(store.iter_parametrization_variations(funcs=[test_func]))214def test_fixture_dependency(store):215    counter = itertools.count()216    @store.add_fixture217    @slash.fixture218    def fixture1(fixture2):219        assert fixture2 == 'fixture2_value_0'220        return 'fixture1_value_{}'.format(next(counter))221    @store.add_fixture222    @slash.fixture223    def fixture2():224        return 'fixture2_value_{}'.format(next(counter))225    store.resolve()226    assert store.get_fixture_dict(['fixture1', 'fixture2']) == {227        'fixture1': 'fixture1_value_1',228        'fixture2': 'fixture2_value_0',229    }230def test_nested_store_resolution_activation(store):231    store.push_namespace()232    @store.add_fixture233    @slash.fixture234    def fixture0():235        return '0'236    store.push_namespace()237    @store.add_fixture238    @slash.fixture239    def fixture1(fixture0):240        assert fixture0 == '0'241        return '1'242    store.push_namespace()243    @store.add_fixture244    @slash.fixture245    def fixture2(fixture1, fixture0):246        assert fixture0 == '0'247        assert fixture1 == '1'248        return '2'249    store.resolve()250    assert store.get_fixture_dict(['fixture2']) == {251        'fixture2': '2'252    }253    store.pop_namespace()254    with pytest.raises(UnknownFixtures):255        store.get_fixture_dict(['fixture2'])256def test_fixture_dependency_cycle():257    store = FixtureStore()258    @store.add_fixture259    @slash.fixture260    def fixture1(fixture2):261        return 1262    @store.add_fixture263    @slash.fixture264    def fixture2(fixture3):265        return 2266    @store.add_fixture267    @slash.fixture268    def fixture3(fixture1):269        return 3270    store.resolve()271    with pytest.raises(CyclicFixtureDependency):272        store.get_fixture_dict(['fixture1'])273def test_fixture_decorator():274    def func(a, b, c):275        pass276    assert not hasattr(func, '__slash_fixture__')277    assert slash.fixture(func) is func278    assert func.__slash_fixture__ is not None  # pylint: disable=no-member279def test_fixture_decorator_multiple_calls(fixture_func):280    fixture_info = fixture_func.__slash_fixture__281    assert slash.fixture(slash.fixture(fixture_func)) is fixture_func282    assert fixture_func.__slash_fixture__ is fixture_info283def test_fixture_required_fixtures(fixture_func):284    assert set(fixture_func.__slash_fixture__.required_args) == set(arg.name for arg in get_arguments(fixture_func))285def test_fixture_name(fixture_func, fixture_func_name):286    assert fixture_func.__slash_fixture__.name == fixture_func_name...

test_fixture_scoping.py

Source:test_fixture_scoping.py

...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 value...

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