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How to use iter_parametrization_variations method in Slash
Best Python code snippet using slash
test_fixture_mechanism.py
Source:test_fixture_mechanism.py 
...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_name287def test_fixture_store_add(fixture_func, fixture_func_name):288 # pylint: disable=no-member289 f = FixtureStore()290 assert f.add_fixture(fixture_func) is fixture_func291 assert f.get_fixture_by_name(292 fixture_func_name).fixture_func is fixture_func293def test_nofixtures_decorator(store):294 @slash.nofixtures295 def func1(a, b, c):296 pass297 [var] = store.iter_parametrization_variations(funcs=[func1])298 assert var == {}299def test_nofixtures_decorator_methods(store):300 class TestClass(slash.Test):301 @slash.nofixtures302 def before(self, a, b, c): # pylint: disable=arguments-differ303 pass304 [var] = store.iter_parametrization_variations(methods=[('before', TestClass.before)])305 assert var == {}306def test_parametrized_fixture(store):307 _fixture = lambda f: store.add_fixture(slash.fixture(f))308 @_fixture309 @slash.parametrize('a', [1, 2, 3])310 @slash.parametrize('b', [4, 5, 6])311 def fixture(a, b):312 pass313 store.resolve()314@pytest.mark.parametrize('use_dict', [True, False])315def test_fixture_name_override(store, use_dict):316 @slash.fixture(name='custom')317 def some_fixture():318 pass...
test_fixture_string_representation.py
Source:test_fixture_string_representation.py
...8from slash.utils.iteration import iter_cartesian_dicts9from .utils.code_formatter import CodeFormatter10def test_safe_repr_parameters(fixture_store, parametrized_func, params, param_names):11 variations = list(12 fixture_store.iter_parametrization_variations(funcs=[parametrized_func]))13 cartesian_product = list(iter_cartesian_dicts(params))14 assert len(variations) == len(cartesian_product)15 variation_names = set(str(v.safe_repr) for v in variations)16 assert len(variation_names) == len(cartesian_product)17 assert variation_names == set(','.join('{}={}'.format(name, combination[name]) for name in sorted(param_names))18 for combination in cartesian_product)19def test_safe_repr_fixtures(fixture_store):20 first_param_values = [1, 2, 3]21 second_param_values = [4, 5, 6]22 @fixture_store.add_fixture23 @slash.fixture24 @slash.parametrize('value', first_param_values)25 def first_fixture(value): # pylint: disable=unused-variable26 return value27 @fixture_store.add_fixture28 @slash.fixture29 @slash.parametrize('value', second_param_values)30 def second_fixture(value): # pylint: disable=unused-variable31 return value32 def test_func(first_fixture, second_fixture): # pylint: disable=unused-argument33 pass34 fixture_store.resolve()35 variations = list(36 fixture_store.iter_parametrization_variations(funcs=[test_func]))37 assert len(variations) == len(first_param_values) * len(second_param_values)38 assert set(str(variation.safe_repr) for variation in variations) == {39 'first_fixture.value={},second_fixture.value={}'.format(i, j)40 for i, j in itertools.product(first_param_values, second_param_values)41 }42@pytest.fixture43def parametrized_func(params, param_names):44 buff = StringIO()45 formatter = CodeFormatter(buff)46 formatter.writeln('def f({}):'.format(', '.join(param_names)))47 with formatter.indented():48 formatter.writeln('pass')49 globs = {}50 exec(buff.getvalue(), globs) # pylint: disable=exec-used...
function_test.py
Source:function_test.py
...39 super(FunctionTestFactory, self).__init__(func)40 self.func = func41 def _generate_tests(self, fixture_store):42 namespace = fixture_store.get_current_namespace()43 for variation in fixture_store.iter_parametrization_variations(funcs=[self.func]):...
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