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# ruff: noqa: F821
from __future__ import annotations
from collections import abc # noqa: F401
from collections.abc import AsyncGenerator, AsyncIterable, AsyncIterator # noqa: F401
from typing import (
Annotated,
Any,
)
import pytest
import strawberry
from strawberry.types.execution import PreExecutionError
from strawberry.utils.aio import aclosing
@pytest.mark.asyncio
async def test_subscription():
@strawberry.type
class Query:
x: str = "Hello"
@strawberry.type
class Subscription:
@strawberry.subscription
async def example(self) -> AsyncGenerator[str, None]:
yield "Hi"
schema = strawberry.Schema(query=Query, subscription=Subscription)
query = "subscription { example }"
async with aclosing(await schema.subscribe(query)) as sub_result:
result = await sub_result.__anext__()
assert not result.errors
assert result.data["example"] == "Hi"
@pytest.mark.asyncio
async def test_subscription_with_permission():
from strawberry import BasePermission
class IsAuthenticated(BasePermission):
message = "Unauthorized"
async def has_permission(
self, source: Any, info: strawberry.Info, **kwargs: Any
) -> bool:
return True
@strawberry.type
class Query:
x: str = "Hello"
@strawberry.type
class Subscription:
@strawberry.subscription(permission_classes=[IsAuthenticated])
async def example(self) -> AsyncGenerator[str, None]:
yield "Hi"
schema = strawberry.Schema(query=Query, subscription=Subscription)
query = "subscription { example }"
async with aclosing(await schema.subscribe(query)) as sub_result:
result = await sub_result.__anext__()
assert not result.errors
assert result.data["example"] == "Hi"
@pytest.mark.asyncio
async def test_subscription_with_arguments():
@strawberry.type
class Query:
x: str = "Hello"
@strawberry.type
class Subscription:
@strawberry.subscription
async def example(self, name: str) -> AsyncGenerator[str, None]:
yield f"Hi {name}"
schema = strawberry.Schema(query=Query, subscription=Subscription)
query = 'subscription { example(name: "Nina") }'
async with aclosing(await schema.subscribe(query)) as sub_result:
result = await sub_result.__anext__()
assert not result.errors
assert result.data["example"] == "Hi Nina"
@pytest.mark.parametrize(
"return_annotation",
[
"AsyncGenerator[str, None]",
"AsyncIterable[str]",
"AsyncIterator[str]",
"abc.AsyncIterator[str]",
"abc.AsyncGenerator[str, None]",
"abc.AsyncIterable[str]",
],
)
@pytest.mark.asyncio
async def test_subscription_return_annotations(return_annotation: str):
async def async_resolver():
yield "Hi"
async_resolver.__annotations__["return"] = return_annotation
@strawberry.type
class Query:
x: str = "Hello"
@strawberry.type
class Subscription:
example = strawberry.subscription(resolver=async_resolver)
schema = strawberry.Schema(query=Query, subscription=Subscription)
query = "subscription { example }"
async with aclosing(await schema.subscribe(query)) as sub_result:
result = await sub_result.__anext__()
assert not result.errors
assert result.data["example"] == "Hi"
@pytest.mark.asyncio
async def test_subscription_with_unions():
global A, B
@strawberry.type
class A:
a: str
@strawberry.type
class B:
b: str
@strawberry.type
class Query:
x: str = "Hello"
@strawberry.type
class Subscription:
@strawberry.subscription
async def example_with_union(self) -> AsyncGenerator[A | B, None]:
yield A(a="Hi")
schema = strawberry.Schema(query=Query, subscription=Subscription)
query = "subscription { exampleWithUnion { ... on A { a } } }"
async with aclosing(await schema.subscribe(query)) as sub_result:
result = await sub_result.__anext__()
assert not result.errors
assert result.data["exampleWithUnion"]["a"] == "Hi"
del A, B
@pytest.mark.asyncio
async def test_subscription_with_unions_and_annotated():
global C, D
@strawberry.type
class C:
c: str
@strawberry.type
class D:
d: str
@strawberry.type
class Query:
x: str = "Hello"
@strawberry.type
class Subscription:
@strawberry.subscription
async def example_with_annotated_union(
self,
) -> AsyncGenerator[Annotated[C | D, strawberry.union("UnionName")], None]:
yield C(c="Hi")
schema = strawberry.Schema(query=Query, subscription=Subscription)
query = "subscription { exampleWithAnnotatedUnion { ... on C { c } } }"
async with aclosing(await schema.subscribe(query)) as sub_result:
result = await sub_result.__anext__()
assert not result.errors
assert result.data["exampleWithAnnotatedUnion"]["c"] == "Hi"
del C, D
@pytest.mark.asyncio
async def test_subscription_with_annotated():
@strawberry.type
class Query:
x: str = "Hello"
@strawberry.type
class Subscription:
@strawberry.subscription
async def example(
self,
) -> Annotated[AsyncGenerator[str, None], "this doesn't matter"]:
yield "Hi"
schema = strawberry.Schema(query=Query, subscription=Subscription)
query = "subscription { example }"
async with aclosing(await schema.subscribe(query)) as sub_result:
result = await sub_result.__anext__()
assert not result.errors
assert result.data["example"] == "Hi"
async def test_subscription_immediate_error():
@strawberry.type
class Query:
x: str = "Hello"
@strawberry.type
class Subscription:
@strawberry.subscription()
async def example(self) -> AsyncGenerator[str, None]:
return "fds"
schema = strawberry.Schema(query=Query, subscription=Subscription)
query = """#graphql
subscription { example }
"""
async with aclosing(await schema.subscribe(query)) as sub_result:
result = await sub_result.__anext__()
assert isinstance(result, PreExecutionError)
assert result.errors
async def test_wrong_operation_variables():
@strawberry.type
class Query:
x: str = "Hello"
@strawberry.type
class Subscription:
@strawberry.subscription
async def example(self, name: str) -> AsyncGenerator[str, None]:
yield f"Hi {name}" # pragma: no cover
schema = strawberry.Schema(query=Query, subscription=Subscription)
query = """#graphql
subscription subOp($opVar: String!){ example(name: $opVar) }
"""
async with aclosing(await schema.subscribe(query)) as sub_result:
result = await sub_result.__anext__()
assert result.errors
assert (
result.errors[0].message
== "Variable '$opVar' of required type 'String!' was not provided."
)
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