def fields():
return {
"id": field(column_name="id", type=GraphQLInt),
"title": field(column_name="title", type=GraphQLString),
"genre": field(column_name="genre", type=GraphQLString),
"authorId": field(column_name="author_id", type=GraphQLInt),
"author": single(author_join_type, author_query, join={"authorId": "id"}),
}
def fields():
author = single(
author_join_type,
lambda *_: all_authors,
join={"authorId": "id"},
)
return {
"id": field(attr="id", type=GraphQLInt),
"title": field(attr="title", type=GraphQLString),
"authorId": field(attr="author_id", type=GraphQLInt),
"author": author,
"booksBySameAuthor": extract(author, "books"),
}
def fields():
author = single(
author_join_type,
author_query,
join={"authorId": "id"},
)
return {
"id": field(column_name="id", type=GraphQLInt),
"title": field(column_name="title", type=GraphQLString),
"authorId": field(column_name="author_id", type=GraphQLInt),
"author": author,
"booksBySameAuthor": extract(author, "books"),
}
def test_single_uses_type_of_target(target_type, type_matcher):
root_type = JoinType(
name="Root",
fields=lambda: {"value": single(Target(target_type), None)},
fetch_immediates=None,
)
graphql_type = root_type.to_graphql_type()
graphql_type.of_type.fields
assert_that(
graphql_type,
is_non_null(
is_object_type(fields=has_entries({
"value":
is_field(type=type_matcher),
}), )))
def fields():
return {
"books": many(book_join_type, lambda *_: all_books),
"book": single(book_join_type, book_query, args={"id": GraphQLArgument(type=GraphQLInt)}),
"author": single(author_join_type, author_query, args={"id": GraphQLArgument(type=GraphQLInt)}),
}