def _(cache: FixtureCache = cache, ):
cache.teardown_fixtures_for_scope(Scope.Module, testable_test.path)
fixtures_at_scope = cache.get_fixtures_at_scope(Scope.Module,
testable_test.path)
assert fixtures_at_scope == {}
def _(cache: FixtureCache = cache, ):
cache.teardown_fixtures_for_scope(Scope.Module, testable_test.path)
fixtures_at_scope = cache.get_fixtures_at_scope(Scope.Module,
testable_test.path)
expect(fixtures_at_scope).equals({})
def _resolve_single_fixture(
self, fixture_fn: Callable, cache: FixtureCache
) -> Fixture:
fixture = Fixture(fixture_fn)
if fixture.key in cache:
cached_fixture = cache[fixture.key]
if fixture.scope == Scope.Global:
return cached_fixture
elif fixture.scope == Scope.Module:
if cached_fixture.last_resolved_module_name == self.module_name:
return cached_fixture
elif fixture.scope == Scope.Test:
if cached_fixture.last_resolved_test_id == self.id:
return cached_fixture
# Cache miss, so update the fixture metadata before we resolve and cache it
fixture.last_resolved_test_id = self.id
fixture.last_resolved_module_name = self.module_name
has_deps = len(fixture.deps()) > 0
is_generator = fixture.is_generator_fixture
if not has_deps:
try:
if is_generator:
fixture.gen = fixture_fn()
fixture.resolved_val = next(fixture.gen)
else:
fixture.resolved_val = fixture_fn()
except Exception as e:
raise FixtureError(f"Unable to resolve fixture '{fixture.name}'") from e
cache.cache_fixture(fixture)
return fixture
signature = inspect.signature(fixture_fn)
children_defaults = signature.bind_partial()
children_defaults.apply_defaults()
children_resolved = {}
for name, child_fixture in children_defaults.arguments.items():
child_resolved = self._resolve_single_fixture(child_fixture, cache)
children_resolved[name] = child_resolved
try:
if is_generator:
fixture.gen = fixture_fn(
**self._resolve_fixture_values(children_resolved)
)
fixture.resolved_val = next(fixture.gen)
else:
fixture.resolved_val = fixture_fn(
**self._resolve_fixture_values(children_resolved)
)
except Exception as e:
raise FixtureError(f"Unable to resolve fixture '{fixture.name}'") from e
cache.cache_fixture(fixture)
return fixture
def _(cache: FixtureCache = cache, global_fixture=global_fixture):
fixtures_at_scope = cache.get_fixtures_at_scope(Scope.Global, Scope.Global)
fixture = list(fixtures_at_scope.values())[0]
expect(fixtures_at_scope).has_length(1)
expect(fixture.fn).equals(global_fixture)
def _(cache: FixtureCache = cache, module_fixture=module_fixture):
fixtures_at_scope = cache.get_fixtures_at_scope(Scope.Module, testable_test.path)
fixture = list(fixtures_at_scope.values())[0]
assert len(fixtures_at_scope) == 1
assert fixture.fn == module_fixture
def _(cache: FixtureCache = cache, t: Test = my_test, default_fixture=default_fixture):
fixtures_at_scope = cache.get_fixtures_at_scope(Scope.Test, t.id)
fixture = list(fixtures_at_scope.values())[0]
assert len(fixtures_at_scope) == 1
assert fixture.fn == default_fixture
def _(cache: FixtureCache = cache, global_fixture=global_fixture):
fixtures_at_scope = cache.get_fixtures_at_scope(Scope.Global, Scope.Global)
fixture = list(fixtures_at_scope.values())[0]
assert len(fixtures_at_scope) == 1
assert fixture.fn == global_fixture
def _(cache: FixtureCache = cache, module_fixture=module_fixture):
fixtures_at_scope = cache.get_fixtures_at_scope(Scope.Module,
testable_test.path)
fixture = list(fixtures_at_scope.values())[0]
expect(fixtures_at_scope).has_length(1)
expect(fixture.fn).equals(module_fixture)
def _(cache: FixtureCache = cache,
t: Test = my_test,
default_fixture=default_fixture):
fixtures_at_scope = cache.get_fixtures_at_scope(Scope.Test, t.id)
fixture = list(fixtures_at_scope.values())[0]
expect(fixtures_at_scope).has_length(1)
expect(fixture.fn).equals(default_fixture)
def _(exit_code=each(0, 1)):
@fixture
def exits():
sys.exit(exit_code)
t = Test(fn=lambda exits=exits: None, module_name="foo")
with raises(FixtureError):
t.resolver.resolve_args(FixtureCache())
def _resolve_single_arg(self, arg: Callable,
cache: FixtureCache) -> Union[Any, Fixture]:
"""
Get the fixture return value
If the fixture has been cached, return the value from the cache.
Otherwise, call the fixture function and return the value.
"""
if not hasattr(arg, "ward_meta"):
return arg
fixture = Fixture(arg)
if cache.contains(fixture, fixture.scope,
self.scope_key_from(fixture.scope)):
return cache.get(fixture.key, fixture.scope,
self.scope_key_from(fixture.scope))
has_deps = len(fixture.deps()) > 0
is_generator = fixture.is_generator_fixture
if not has_deps:
try:
if is_generator:
fixture.gen = arg()
fixture.resolved_val = next(fixture.gen)
else:
fixture.resolved_val = arg()
except Exception as e:
raise FixtureError(
f"Unable to resolve fixture '{fixture.name}'") from e
scope_key = self.scope_key_from(fixture.scope)
cache.cache_fixture(fixture, scope_key)
return fixture
children_defaults = self._get_default_args(func=arg)
children_resolved = {}
for name, child_fixture in children_defaults.items():
child_resolved = self._resolve_single_arg(child_fixture, cache)
children_resolved[name] = child_resolved
try:
args_to_inject = self._unpack_resolved(children_resolved)
if is_generator:
fixture.gen = arg(**args_to_inject)
fixture.resolved_val = next(fixture.gen)
else:
fixture.resolved_val = arg(**args_to_inject)
except Exception as e:
raise FixtureError(
f"Unable to resolve fixture '{fixture.name}'") from e
scope_key = self.scope_key_from(fixture.scope)
cache.cache_fixture(fixture, scope_key)
return fixture
def _(cache: FixtureCache = cache,
t: Test = my_test,
events: List = recorded_events):
cache.teardown_fixtures_for_scope(Scope.Test, t.id)
assert events == ["teardown t"]
def _(exit_code=each(0, 1), outcome=each(TestOutcome.FAIL, TestOutcome.FAIL)):
t = Test(fn=lambda: sys.exit(exit_code), module_name=mod)
assert t.run(FixtureCache()).outcome is outcome
def _(cache: FixtureCache = cache, t: Test = my_test):
cache.teardown_fixtures_for_scope(Scope.Test, t.id)
fixtures_at_scope = cache.get_fixtures_at_scope(Scope.Test, t.id)
assert fixtures_at_scope == {}
def cache():
return FixtureCache()
def _(cache: FixtureCache = cache, t: Test = my_test):
cache.teardown_fixtures_for_scope(Scope.Test, t.id)
fixtures_at_scope = cache.get_fixtures_at_scope(Scope.Test, t.id)
expect(fixtures_at_scope).equals({})
def _(cache: FixtureCache = cache,
t: Test = my_test,
events: List = recorded_events):
cache.teardown_fixtures_for_scope(Scope.Test, t.id)
expect(events).equals(["teardown t"])
def cache(t=my_test):
c = FixtureCache()
t.resolver.resolve_args(c)
return c
def _(cache: FixtureCache = cache, ):
cache.teardown_global_fixtures()
fixtures_at_scope = cache.get_fixtures_at_scope(Scope.Global, Scope.Global)
assert fixtures_at_scope == {}
def _(cache: FixtureCache = cache, events: List = recorded_events):
cache.teardown_fixtures_for_scope(Scope.Module, testable_test.path)
assert events == ["teardown m"]
def _(cache: FixtureCache = cache, events: List = recorded_events):
cache.teardown_fixtures_for_scope(Scope.Module, testable_test.path)
expect(events).equals(["teardown m"])
def _(cache: FixtureCache = cache, events: List = recorded_events):
cache.teardown_global_fixtures()
assert events == ["teardown g"]
def _(cache: FixtureCache = cache, ):
cache.teardown_global_fixtures()
fixtures_at_scope = cache.get_fixtures_at_scope(Scope.Global, Scope.Global)
expect(fixtures_at_scope).equals({})
def _(f=exception_raising_fixture):
cache = FixtureCache()
cache.cache_fixture(f, "test_id")
assert cache.get(f.key, Scope.Test, "test_id") == f
def _(cache: FixtureCache = cache, events: List = recorded_events):
cache.teardown_global_fixtures()
expect(events).equals(["teardown g"])
def _(f=exception_raising_fixture):
cache = FixtureCache()
cache.cache_fixture(f)
expect(cache[f.key]).equals(f)
def _(f=exception_raising_fixture):
cache = FixtureCache()
cache.cache_fixture(f, "test_id")
expect(cache.get(f.key, Scope.Test, "test_id")).equals(f)
