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from textwrap import dedent
import pytest
import strawberry
from strawberry.annotation import StrawberryAnnotation
from strawberry.tools import create_type
from strawberry.types.base import get_object_definition
from strawberry.types.field import StrawberryField
def test_create_type():
@strawberry.field
def name() -> str:
return "foo"
MyType = create_type("MyType", [name], description="This is a description")
definition = get_object_definition(MyType, strict=True)
assert definition.name == "MyType"
assert definition.description == "This is a description"
assert definition.is_input is False
assert len(definition.fields) == 1
assert definition.fields[0].python_name == "name"
assert definition.fields[0].graphql_name is None
assert definition.fields[0].type is str
def test_create_type_extend_and_directives():
@strawberry.field
def name() -> str:
return "foo"
MyType = create_type(
"MyType",
[name],
description="This is a description",
extend=True,
directives=[object()],
)
definition = get_object_definition(MyType, strict=True)
assert definition.name == "MyType"
assert definition.description == "This is a description"
assert definition.is_input is False
assert definition.extend is True
assert len(list(definition.directives)) == 1
assert len(definition.fields) == 1
assert definition.fields[0].python_name == "name"
assert definition.fields[0].graphql_name is None
assert definition.fields[0].type is str
def test_create_input_type():
name = StrawberryField(
python_name="name", type_annotation=StrawberryAnnotation(str)
)
MyType = create_type(
"MyType", [name], is_input=True, description="This is a description"
)
definition = get_object_definition(MyType, strict=True)
assert definition.name == "MyType"
assert definition.description == "This is a description"
assert definition.is_input
assert len(definition.fields) == 1
assert definition.fields[0].python_name == "name"
assert definition.fields[0].graphql_name is None
assert definition.fields[0].type is str
def test_create_interface_type():
name = StrawberryField(
python_name="name", type_annotation=StrawberryAnnotation(str)
)
MyType = create_type(
"MyType", [name], is_interface=True, description="This is a description"
)
definition = get_object_definition(MyType, strict=True)
assert definition.name == "MyType"
assert definition.description == "This is a description"
assert definition.is_input is False
assert definition.is_interface
assert len(definition.fields) == 1
assert definition.fields[0].python_name == "name"
assert definition.fields[0].graphql_name is None
assert definition.fields[0].type is str
def test_create_variable_type():
def get_name() -> str:
return "foo"
name = strawberry.field(name="name", resolver=get_name)
MyType = create_type("MyType", [name])
definition = get_object_definition(MyType, strict=True)
assert len(definition.fields) == 1
assert definition.fields[0].python_name == "get_name"
assert definition.fields[0].graphql_name == "name"
assert definition.fields[0].type is str
def test_create_type_empty_list():
with pytest.raises(ValueError):
create_type("MyType", [])
def test_requires_resolver_or_name_to_create_type_field():
name = strawberry.field()
with pytest.raises(ValueError, match="Field doesn't have a name"):
create_type("MyType", [name])
def test_can_create_type_field_from_resolver_only():
def get_name() -> str:
return "foo" # pragma: no cover
name = strawberry.field(resolver=get_name)
MyType = create_type("MyType", [name])
definition = get_object_definition(MyType, strict=True)
assert len(definition.fields) == 1
assert definition.fields[0].python_name == "get_name"
assert definition.fields[0].graphql_name is None
def test_can_create_type_field_from_name_only():
first_name = strawberry.field(name="firstName", graphql_type=str)
MyType = create_type("MyType", [first_name])
definition = get_object_definition(MyType, strict=True)
assert len(definition.fields) == 1
assert definition.fields[0].python_name == "firstName"
assert definition.fields[0].graphql_name == "firstName"
def test_can_create_type_field_from_resolver_and_name():
def get_first_name() -> str:
return "foo" # pragma: no cover
first_name = strawberry.field(name="firstName", resolver=get_first_name)
MyType = create_type("MyType", [first_name])
definition = get_object_definition(MyType, strict=True)
assert len(definition.fields) == 1
assert definition.fields[0].python_name == "get_first_name"
assert definition.fields[0].graphql_name == "firstName"
def test_create_type_field_invalid():
with pytest.raises(TypeError):
create_type("MyType", [strawberry.type()])
def test_create_mutation_type():
@strawberry.type
class User:
username: str
@strawberry.mutation
def make_user(username: str) -> User:
return User(username=username)
Mutation = create_type("Mutation", [make_user])
definition = get_object_definition(Mutation, strict=True)
assert len(definition.fields) == 1
assert definition.fields[0].python_name == "make_user"
assert definition.fields[0].graphql_name is None
assert definition.fields[0].type == User
def test_create_mutation_type_with_params():
@strawberry.type
class User:
username: str
@strawberry.mutation(name="makeNewUser", description="Make a new user")
def make_user(username: str) -> User:
return User(username=username)
Mutation = create_type("Mutation", [make_user])
definition = get_object_definition(Mutation, strict=True)
assert len(definition.fields) == 1
assert definition.fields[0].python_name == "make_user"
assert definition.fields[0].graphql_name == "makeNewUser"
assert definition.fields[0].type == User
assert definition.fields[0].description == "Make a new user"
def test_create_schema():
@strawberry.type
class User:
id: strawberry.ID
@strawberry.field
def get_user_by_id(id: strawberry.ID) -> User:
return User(id=id)
Query = create_type("Query", [get_user_by_id])
schema = strawberry.Schema(query=Query)
sdl = """
type Query {
getUserById(id: ID!): User!
}
type User {
id: ID!
}
"""
assert dedent(sdl).strip() == str(schema)
result = schema.execute_sync(
"""
{
getUserById(id: "TEST") {
id
}
}
"""
)
assert not result.errors
assert result.data == {"getUserById": {"id": "TEST"}}
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