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import pytest
import strawberry
from strawberry.federation.schema_directives import Context, Cost, ListSize, Policy
@pytest.mark.parametrize(
("directive_name", "minimum_version", "valid_version", "invalid_version"),
[
("policy", "2.6", "2.6", "2.5"),
("context", "2.8", "2.8", "2.7"),
("cost", "2.9", "2.9", "2.8"),
("listSize", "2.9", "2.9", "2.8"),
],
)
def test_directive_version_validation(
directive_name: str,
minimum_version: str,
valid_version: str,
invalid_version: str,
):
"""Test that directives validate their minimum federation version requirement"""
# Create type with directive based on directive name
if directive_name == "policy":
@strawberry.federation.type
class ProductPolicy:
upc: str
name: str = strawberry.federation.field(
directives=[Policy(policies=[["admin"]])]
)
@strawberry.type
class QueryPolicy:
product: ProductPolicy
query_type = QueryPolicy
elif directive_name == "context":
@strawberry.federation.type(directives=[Context(name="userContext")])
class UserContext:
id: strawberry.ID
name: str
@strawberry.type
class QueryContext:
user: UserContext
query_type = QueryContext
elif directive_name == "cost":
@strawberry.federation.type
class ProductCost:
upc: str
name: str = strawberry.federation.field(directives=[Cost(weight=10)])
@strawberry.type
class QueryCost:
product: ProductCost
query_type = QueryCost
else: # listSize
@strawberry.federation.type
class ProductListSize:
upc: str
friends: list[str] = strawberry.federation.field(
directives=[
ListSize(
assumed_size=100,
slicing_arguments=None,
sized_fields=None,
)
]
)
@strawberry.type
class QueryListSize:
product: ProductListSize
query_type = QueryListSize
# Should work with valid version
schema = strawberry.federation.Schema(
query=query_type,
federation_version=valid_version, # type: ignore
)
assert schema is not None
# Should fail with invalid version
escaped_version = minimum_version.replace(".", r"\.")
expected_error = (
f"Directive @{directive_name} requires federation version "
f"v{escaped_version} or higher"
)
with pytest.raises(ValueError, match=expected_error):
strawberry.federation.Schema(
query=query_type,
federation_version=invalid_version, # type: ignore
)
def test_directive_version_validation_multiple_directives():
"""Test validation with multiple directives having different version requirements"""
@strawberry.federation.type(directives=[Context(name="ctx")])
class Product:
upc: str
name: str = strawberry.federation.field(
directives=[Policy(policies=[["admin"]]), Cost(weight=5)]
)
@strawberry.type
class Query:
product: Product
# Should work with v2.9+ (highest requirement among @context v2.8, @policy v2.6, @cost v2.9)
schema = strawberry.federation.Schema(query=Query, federation_version="2.9")
assert schema is not None
# Should fail with v2.8 (cost requires v2.9)
with pytest.raises(
ValueError, match=r"Directive @cost requires federation version v2\.9 or higher"
):
strawberry.federation.Schema(query=Query, federation_version="2.8")
# Should fail with v2.7 (context requires v2.8)
with pytest.raises(
ValueError,
match=r"Directive @context requires federation version v2\.8 or higher",
):
strawberry.federation.Schema(query=Query, federation_version="2.7")
def test_older_directives_work_with_any_version():
"""Test that older directives work with any federation version"""
@strawberry.federation.type(keys=["id"])
class Product:
id: strawberry.ID
name: str = strawberry.federation.field(external=True)
@strawberry.type
class Query:
product: Product
# Should work with any version since @key and @external are from v2.0
for version in ["2.0", "2.5", "2.7", "2.9", "2.11"]:
schema = strawberry.federation.Schema(query=Query, federation_version=version) # type: ignore
assert schema is not None
def test_default_version_uses_latest():
"""Test that default federation version uses latest"""
@strawberry.federation.type
class Product:
upc: str
@strawberry.type
class Query:
product: Product
# Default should use latest version
schema = strawberry.federation.Schema(query=Query)
assert schema.federation_version == (2, 11) # Latest version
|
