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import pytest
from starlette.routing import Route
from ellar.common import Module
from ellar.constants import (
EXCEPTION_HANDLERS_KEY,
MIDDLEWARE_HANDLERS_KEY,
MODULE_METADATA,
ON_REQUEST_SHUTDOWN_KEY,
ON_REQUEST_STARTUP_KEY,
TEMPLATE_FILTER_KEY,
TEMPLATE_GLOBAL_KEY,
)
from ellar.core import AppFactory, Config, ModuleBase
from ellar.core.modules.ref import (
ModulePlainRef,
ModuleProvider,
ModuleTemplateRef,
create_module_ref_factor,
)
from ellar.di import EllarInjector, TransientScope, injectable
from ellar.helper import get_name
from ellar.reflect import reflect
from .sample import (
AnotherUserService,
ModuleBaseExample,
ModuleBaseExample2,
SampleController,
UserService,
)
@injectable(scope=TransientScope)
@Module()
class ModuleProviderTest(ModuleBase):
def __init__(self, a: ModuleBaseExample, c: str = "C", d: float = 12.3):
self.a = a
self.c = c
self.d = d
class InitKwargsModule(ModuleBase):
def __init__(self, a: str, b: int, c: str = "C", d: float = 12.3):
self.c = c
self.d = d
self.a = a
self.b = b
def test_create_module_ref_factor_creates_right_module_ref():
config = Config()
container = EllarInjector(auto_bind=False).container
module_ref = create_module_ref_factor(
ModuleBaseExample, config=config, container=container, a="a", b="b"
)
assert isinstance(module_ref, ModulePlainRef)
assert module_ref._init_kwargs == dict(a="a", b="b")
module_ref = create_module_ref_factor(
ModuleBaseExample2, config=config, container=container
)
assert isinstance(module_ref, ModuleTemplateRef)
assert module_ref._init_kwargs == dict()
def test_module_init_kwargs_build_correctly():
config = Config()
container = EllarInjector(auto_bind=False).container
module_ref = create_module_ref_factor(
InitKwargsModule, config=config, container=container
)
assert module_ref
assert module_ref._init_kwargs == dict(d=12.3, c="C")
def test_module_ref_registers_module_type():
config = Config()
container = EllarInjector(auto_bind=False).container
with pytest.raises(Exception):
container.injector.get(ModuleBaseExample)
create_module_ref_factor(ModuleBaseExample, config=config, container=container)
create_module_ref_factor(ModuleProviderTest, config=config, container=container)
instance = container.injector.get(ModuleBaseExample)
instance2 = container.injector.get(ModuleProviderTest)
module_provider_module_base_example = container.get_binding(ModuleBaseExample)
module_provider_module_provider_test = container.get_binding(ModuleProviderTest)
assert isinstance(module_provider_module_base_example[0].provider, ModuleProvider)
assert isinstance(module_provider_module_provider_test[0].provider, ModuleProvider)
assert isinstance(instance, ModuleBaseExample)
assert instance2.a is instance
assert isinstance(instance2, ModuleProviderTest)
assert instance2 is not container.injector.get(ModuleProviderTest)
def test_module_template_ref_template_filters():
config = Config(**{TEMPLATE_GLOBAL_KEY: []})
container = EllarInjector(auto_bind=False).container
template_filter = config[TEMPLATE_FILTER_KEY]
template_global_filter = config[TEMPLATE_GLOBAL_KEY]
assert "some_template_global" not in template_global_filter
assert "some_template_filter" not in template_filter
create_module_ref_factor(ModuleBaseExample2, config=config, container=container)
template_filter = config[TEMPLATE_FILTER_KEY]
template_global_filter = config[TEMPLATE_GLOBAL_KEY]
assert isinstance(template_filter, dict) and isinstance(
template_global_filter, dict
)
assert "some_template_global" in template_global_filter
assert "some_template_filter" in template_filter
config.update(**{TEMPLATE_GLOBAL_KEY: (), TEMPLATE_FILTER_KEY: set()})
create_module_ref_factor(ModuleBaseExample2, config=config, container=container)
template_filter = config[TEMPLATE_FILTER_KEY]
template_global_filter = config[TEMPLATE_GLOBAL_KEY]
assert isinstance(template_filter, dict) and isinstance(
template_global_filter, dict
)
assert "some_template_global" in template_global_filter
assert "some_template_filter" in template_filter
def test_module_template_ref_scan_request_events():
config = Config()
container = EllarInjector(auto_bind=False).container
request_startup = config[ON_REQUEST_STARTUP_KEY]
request_shutdown = config[ON_REQUEST_SHUTDOWN_KEY]
assert len(request_startup) == 0 and len(request_shutdown) == 0
create_module_ref_factor(ModuleBaseExample2, config=config, container=container)
request_startup = config[ON_REQUEST_STARTUP_KEY]
request_shutdown = config[ON_REQUEST_SHUTDOWN_KEY]
assert isinstance(request_startup, list) and isinstance(request_shutdown, list)
assert "on_startup_handler" == get_name(request_startup[0])
assert "on_shutdown_handler" == get_name(request_shutdown[0])
config.update(**{ON_REQUEST_STARTUP_KEY: ()})
create_module_ref_factor(ModuleBaseExample2, config=config, container=container)
request_startup = config[ON_REQUEST_STARTUP_KEY]
request_shutdown = config[ON_REQUEST_SHUTDOWN_KEY]
assert isinstance(request_startup, list) and isinstance(request_shutdown, list)
assert "on_startup_handler" == get_name(request_startup[0])
assert "on_shutdown_handler" == get_name(request_shutdown[0])
def test_module_template_ref_scan_exceptions_handlers():
config = Config(**{EXCEPTION_HANDLERS_KEY: []})
container = EllarInjector(auto_bind=False).container
assert 404 not in config[EXCEPTION_HANDLERS_KEY]
create_module_ref_factor(ModuleBaseExample2, config=config, container=container)
exception_handlers = config[EXCEPTION_HANDLERS_KEY]
assert isinstance(exception_handlers, dict)
assert 404 in exception_handlers
def test_module_template_ref_scan_middle_ware():
config = Config(**{MIDDLEWARE_HANDLERS_KEY: ()})
container = EllarInjector(auto_bind=False).container
assert len(config[MIDDLEWARE_HANDLERS_KEY]) == 0
create_module_ref_factor(ModuleBaseExample2, config=config, container=container)
middleware = config[MIDDLEWARE_HANDLERS_KEY]
assert isinstance(middleware, list)
assert "middleware" == get_name(middleware[0].options["dispatch"])
config.update(**{MIDDLEWARE_HANDLERS_KEY: ()})
create_module_ref_factor(ModuleBaseExample2, config=config, container=container)
middleware = config[MIDDLEWARE_HANDLERS_KEY]
assert isinstance(middleware, list)
assert "middleware" == get_name(middleware[0].options["dispatch"])
def test_module_template_ref_get_all_routers():
some_invalid_router = type("SomeInvalidRouter", (), {})
config = Config()
container = EllarInjector(auto_bind=False).container
with reflect.context():
reflect.define_metadata(
MODULE_METADATA.ROUTERS,
[
some_invalid_router(),
Route("/", endpoint=lambda request: "Test"),
Route("/test", endpoint=lambda request: "Test"),
],
ModuleBaseExample2,
)
module_ref = create_module_ref_factor(
ModuleBaseExample2, config=config, container=container
)
assert len(module_ref.routers) == 5
def test_module_template_ref_get_all_routers_fails_for_invalid_controller():
some_invalid_controller = type("SomeInvalidController", (), {})
with reflect.context():
reflect.define_metadata(
MODULE_METADATA.CONTROLLERS, some_invalid_controller, ModuleBaseExample2
)
config = Config()
container = EllarInjector(auto_bind=False).container
with pytest.raises(AssertionError, match="Invalid Controller Type."):
create_module_ref_factor(
ModuleBaseExample2, config=config, container=container
)
def test_module_plain_ref_routes_return_empty_list():
config = Config()
container = EllarInjector(auto_bind=False).container
module_ref = create_module_ref_factor(
ModuleBaseExample, config=config, container=container
)
assert module_ref.routes == []
def test_module_template_ref_routes_returns_valid_routes():
some_invalid_router = type("SomeInvalidRouter2", (), {})
config = Config()
container = EllarInjector(auto_bind=False).container
with reflect.context():
reflect.define_metadata(
MODULE_METADATA.ROUTERS,
[some_invalid_router(), Route("/", endpoint=lambda request: "Test")],
ModuleBaseExample2,
)
module_ref = create_module_ref_factor(
ModuleBaseExample2, config=config, container=container
)
assert len(module_ref.routers) == 4
assert len(module_ref.routes) == 5
def test_module_template_ref_routes():
config = Config()
container = EllarInjector(auto_bind=False).container
module_ref = create_module_ref_factor(
ModuleBaseExample2, config=config, container=container
)
assert len(module_ref.routers) == 2
counts = sum(len(item.routes) for item in module_ref.routers)
assert len(module_ref.routes) == counts
def test_module_template_registers_providers_and_controllers():
config = Config()
container = EllarInjector(auto_bind=False).container
with pytest.raises(Exception):
container.injector.get(UserService)
with pytest.raises(Exception):
container.injector.get(AnotherUserService)
with pytest.raises(Exception):
container.injector.get(SampleController)
module_ref = create_module_ref_factor(
ModuleBaseExample2, config=config, container=container
)
module_ref.run_module_register_services()
assert isinstance(container.injector.get(UserService), UserService)
assert isinstance(container.injector.get(AnotherUserService), AnotherUserService)
assert isinstance(container.injector.get(SampleController), SampleController)
def test_run_application_ready_works():
test_module_init_calls = type("TestModuleInitCalls", (ModuleBaseExample,), {})
Module()(test_module_init_calls)
app = AppFactory.create_app()
module_ref = create_module_ref_factor(
test_module_init_calls, config=app.config, container=app.injector.container
)
assert test_module_init_calls._before_init_called is False
module_ref.run_module_register_services()
assert test_module_init_calls._before_init_called
assert test_module_init_calls._app_ready_called is False
module_ref.run_application_ready(app)
assert test_module_init_calls._app_ready_called