def extends_without_altering_original_schema():
extended_schema = extend_test_schema("""
extend type Query {
newField: String
}
""")
assert extend_schema != test_schema
assert "newField" in print_schema(extended_schema)
assert "newField" not in print_schema(test_schema)
def test_get_schema_with_macros_original_schema_unchanged(self) -> None:
empty_macro_registry = get_empty_test_macro_registry()
original_printed_schema = print_schema(
self.macro_registry.schema_without_macros)
printed_schema_with_0_macros = print_schema(
get_schema_with_macros(empty_macro_registry))
printed_schema_afterwards = print_schema(
self.macro_registry.schema_without_macros)
self.assertEqual(original_printed_schema, printed_schema_afterwards)
self.assertEqual(original_printed_schema, printed_schema_with_0_macros)
def expect_schema_changes(schema: GraphQLSchema,
extended_schema: GraphQLSchema,
expected: str) -> None:
schema_definitions = {
print_ast(node)
for node in parse(print_schema(schema)).definitions
}
assert ("\n\n".join(schema_def for schema_def in (
print_ast(node)
for node in parse(print_schema(extended_schema)).definitions)
if schema_def not in schema_definitions) == expected)
def legacy_support_for_interfaces_with_null_as_interfaces_field():
introspection = introspection_from_schema(dummy_schema)
some_interface_introspection = next(
type_ for type_ in introspection["__schema"]["types"]
if type_["name"] == "SomeInterface")
assert some_interface_introspection["interfaces"] == []
some_interface_introspection["interfaces"] = None
client_schema = build_client_schema(introspection)
assert print_schema(client_schema) == print_schema(dummy_schema)
def print_schema_changes(schema: GraphQLSchema,
extended_schema: GraphQLSchema) -> str:
schema_definitions = [
print_ast(definition)
for definition in parse(print_schema(schema)).definitions
]
ast = parse(print_schema(extended_schema))
return print_ast(
DocumentNode(definitions=FrozenList(
node for node in ast.definitions
if print_ast(node) not in schema_definitions)))
def may_extend_mutations_and_subscriptions():
mutation_schema = build_schema(
"""
type Query {
queryField: String
}
type Mutation {
mutationField: String
}
type Subscription {
subscriptionField: String
}
"""
)
ast = parse(
"""
extend type Query {
newQueryField: Int
}
extend type Mutation {
newMutationField: Int
}
extend type Subscription {
newSubscriptionField: Int
}
"""
)
original_print = print_schema(mutation_schema)
extended_schema = extend_schema(mutation_schema, ast)
assert extended_schema != mutation_schema
assert print_schema(mutation_schema) == original_print
assert print_schema(extended_schema) == dedent(
"""
type Query {
queryField: String
newQueryField: Int
}
type Mutation {
mutationField: String
newMutationField: Int
}
type Subscription {
subscriptionField: String
newSubscriptionField: Int
}
"""
)
def may_extend_mutations_and_subscriptions():
mutationSchema = GraphQLSchema(
query=GraphQLObjectType(
name="Query", fields=lambda: {"queryField": GraphQLField(GraphQLString)}
),
mutation=GraphQLObjectType(
name="Mutation",
fields=lambda: {"mutationField": GraphQLField(GraphQLString)},
),
subscription=GraphQLObjectType(
name="Subscription",
fields=lambda: {"subscriptionField": GraphQLField(GraphQLString)},
),
)
ast = parse(
"""
extend type Query {
newQueryField: Int
}
extend type Mutation {
newMutationField: Int
}
extend type Subscription {
newSubscriptionField: Int
}
"""
)
original_print = print_schema(mutationSchema)
extended_schema = extend_schema(mutationSchema, ast)
assert extended_schema != mutationSchema
assert print_schema(mutationSchema) == original_print
assert print_schema(extended_schema) == dedent(
"""
type Mutation {
mutationField: String
newMutationField: Int
}
type Query {
queryField: String
newQueryField: Int
}
type Subscription {
subscriptionField: String
newSubscriptionField: Int
}
"""
)
def test_default_conversion_type_name():
assert (
print_schema(graphql_schema(query=[b]))
== """\
type Query {
b: B!
}
type B {
a: Int!
}
"""
)
assert serialization_schema(B, all_refs=True) == {
"$ref": "#/$defs/B",
"$defs": {
"B": {"$ref": "#/$defs/A"},
"A": {
"type": "object",
"properties": {"a": {"type": "integer"}},
"required": ["a"],
"additionalProperties": False,
},
},
"$schema": "http://json-schema.org/draft/2019-09/schema#",
}
assert serialization_schema(B) == {
"type": "object",
"properties": {"a": {"type": "integer"}},
"required": ["a"],
"additionalProperties": False,
"$schema": "http://json-schema.org/draft/2019-09/schema#",
}
def print_test_schema_changes(extended_schema):
ast = parse(print_schema(extended_schema))
ast.definitions = [
node for node in ast.definitions
if print_ast(node) not in test_schema_definitions
]
return print_ast(ast)
def _get_directives_in_string_form(directives):
"""Return a set of directives in their string form, from the native directive type."""
fake_query_type = GraphQLObjectType(
"Query", fields={"foo": GraphQLField(GraphQLString)}
)
fake_schema = GraphQLSchema(fake_query_type, directives=directives)
# Split schema on double line breaks where the following character is not a space.
# It is not possible to simply split on double line breaks because print_schema puts a
# double line break between GraphQLArguments. The not space character is retained and
# reattached to the rest of the line.
split_schema_lines = [
line.strip() for line in re.split("\n\n([^ ])", print_schema(fake_schema))
]
# Reattach the delimiter's character to the rest of the line. The first line does
# not have a separated character from regular expression splitting.
schema_lines = [split_schema_lines[0]] + [
delimiter_character + line
for delimiter_character, line in zip(
split_schema_lines[1::2], split_schema_lines[2::2]
)
]
return {line for line in schema_lines if line.startswith("directive")}
def can_deep_copy_a_schema():
source = """
schema {
query: Farm
mutation: Work
}
type Cow {
id: ID!
name: String
moos: Boolean
}
type Pig {
id: ID!
name: String
oink: Boolean
}
union Animal = Cow | Pig
enum Food {
CORN
FRUIT
}
input Feed {
amount: Float
type: Food
}
type Farm {
animals: [Animal!]!
}
type Work {
feed(feed: Feed): Boolean
}
"""
schema = build_schema(source)
schema_copy = deepcopy(schema)
for name in ("Cow", "Pig", "Animal", "Food", "Feed", "Farm", "Work"):
assert schema.get_type(name) is not schema_copy.get_type(name)
assert print_schema(lexicographic_sort_schema(schema)) == print_schema(
lexicographic_sort_schema(schema_copy))
def dump_schema(connection, schema, out_file):
"""Dump the GraphQL Schema to stdout or file"""
from nebulo.gql.sqla_to_gql import sqla_models_to_graphql_schema
from nebulo.sql.reflection.manager import reflect_sqla_models
engine = create_engine(connection)
sqla_models, sql_functions = reflect_sqla_models(engine, schema=schema)
schema = sqla_models_to_graphql_schema(sqla_models, sql_functions)
schema_str = print_schema(schema)
click.echo(schema_str, file=out_file)
def cycle_sdl(sdl: str) -> str:
"""Full cycle test.
This function does a full cycle of going from a string with the contents of the SDL,
parsed in a schema AST, materializing that schema AST into an in-memory
GraphQLSchema, and then finally printing that GraphQL into the SDÖ.
"""
ast = parse(sdl)
schema = build_ast_schema(ast)
return print_schema(schema)
async def test_subscription(alias, conversion, error_handler, resolver):
if alias is not None:
sub_name = alias
elif resolver is not None:
sub_name = resolver.__name__
else:
sub_name = events.__name__
if (alias, conversion, error_handler, resolver) == (None, None, Undefined,
None):
sub_op = events
else:
sub_op = Subscription(events,
alias,
conversion,
None,
error_handler,
resolver=resolver)
schema = graphql_schema(query=[hello],
subscription=[sub_op],
types=[Event])
sub_field = sub_name
if resolver is not None:
sub_field += "(dummy: Boolean)"
sub_field += f": {'String' if conversion else 'Event'}"
if error_handler is Undefined:
sub_field += "!"
schema_str = """\
type Event {
name: String!
}
type Query {
hello: String!
}
type Subscription {
%s
}
"""
assert print_schema(schema) == schema_str % sub_field
sub_query = sub_name
if conversion is None:
sub_query += "{name}"
subscription = await graphql.subscribe(
schema, graphql.parse("subscription {%s}" % sub_query))
result = EVENTS
if resolver:
result = [s.capitalize() for s in result]
if not conversion:
result = [{"name": s} for s in result]
assert [ev.data async for ev in subscription] == [{
sub_name: r
} for r in result]
def test_annotated_schema():
assert (deserialization_schema(A) == serialization_schema(A) == {
"$schema": "http://json-schema.org/draft/2019-09/schema#",
"type": "object",
"properties": {
"a": {
"type": "integer",
"maximum": 10,
"minimum": 0,
"description": "field description",
}
},
"required": ["a"],
"additionalProperties": False,
})
assert (deserialization_schema(A, all_refs=True) == serialization_schema(
A, all_refs=True) == {
"$schema": "http://json-schema.org/draft/2019-09/schema#",
"$ref": "#/$defs/A",
"$defs": {
"A": {
"additionalProperties": False,
"properties": {
"a": {
"$ref": "#/$defs/someInt",
"description": "field description",
"minimum": 0,
}
},
"required": ["a"],
"type": "object",
},
"someInt": {
"description": "type description",
"maximum": 10,
"type": "integer",
},
},
})
assert (print_schema(graphql_schema(query=[a])) == '''\
type Query {
a: A!
}
type A {
"""field description"""
a: someInt!
}
"""type description"""
scalar someInt
''')
def builds_a_schema_without_the_query_type():
sdl = dedent("""
type Query {
foo: String
}
""")
schema = build_schema(sdl)
introspection = introspection_from_schema(schema)
del introspection["__schema"]["queryType"]
client_schema = build_client_schema(introspection)
assert client_schema.query_type is None
assert print_schema(client_schema) == sdl
def cycle_introspection(sdl_string):
"""Test that the client side introspection gives the same result.
This function does a full cycle of going from a string with the contents of the SDL,
build in-memory GraphQLSchema from it, produce a client-side representation of the
schema by using "build_client_schema" and then finally printing that that schema
into the SDL.
"""
server_schema = build_schema(sdl_string)
initial_introspection = introspection_from_schema(server_schema)
client_schema = build_client_schema(initial_introspection)
# If the client then runs the introspection query against the client-side schema,
# it should get a result identical to what was returned by the server
second_introspection = introspection_from_schema(client_schema)
assert initial_introspection == second_introspection
return print_schema(client_schema)
def builds_a_schema_without_directives():
sdl = dedent("""
type Query {
foo: String
}
""")
schema = build_schema(sdl)
introspection = introspection_from_schema(schema)
del introspection["__schema"]["directives"]
client_schema = build_client_schema(introspection)
assert schema.directives
assert client_schema.directives == []
assert print_schema(client_schema) == sdl
def test_meta_fields_from_constant(self) -> None:
fields = schema.EXTENDED_META_FIELD_DEFINITIONS.copy()
fields.update(
OrderedDict((
("foo", GraphQLField(GraphQLString)),
("bar", GraphQLField(GraphQLInt)),
)))
graphql_type = GraphQLObjectType("MyType", fields)
custom_schema = GraphQLSchema(graphql_type,
directives=schema.DIRECTIVES)
# Ensure that stringifying and parsing this schema works just fine.
printed_schema = print_schema(custom_schema)
expected_type_definition = """\
type MyType {
_x_count: Int
foo: String
bar: Int
}""".replace(" ", " ") # 2 space indentation instead of 4 spaces
self.assertIn(expected_type_definition, printed_schema)
def cycle_introspection(sdl_string):
"""Test that the client side introspection gives the same result.
This function does a full cycle of going from a string with the contents of the SDL,
build in-memory GraphQLSchema from it, produce a client-side representation of the
schema by using "build_client_schema" and then return that schema printed as SDL.
"""
options = dict(specified_by_url=True, directive_is_repeatable=True)
server_schema = build_schema(sdl_string)
initial_introspection = introspection_from_schema(server_schema, **options)
client_schema = build_client_schema(initial_introspection)
# If the client then runs the introspection query against the client-side schema,
# it should get a result identical to what was returned by the server
second_introspection = introspection_from_schema(client_schema, **options)
# If the client then runs the introspection query against the client-side
# schema, it should get a result identical to what was returned by the server.
assert initial_introspection == second_introspection
return print_schema(client_schema)
def test_resolver_default_parameter_not_serializable(tp, default):
def resolver(arg=default) -> bool:
return arg is default
resolver.__annotations__["arg"] = tp
# wraps in order to trigger the bug of get_type_hints with None default value
resolver2 = wraps(resolver)(lambda arg=default: resolver(arg))
schema = graphql_schema(query=[resolver2])
assert (
print_schema(schema)
== """\
type Query {
resolver(arg: Int): Boolean!
}
"""
)
assert (
graphql_sync(schema, "{resolver}").data
== graphql_sync(schema, "{resolver(arg: null)}").data
== {"resolver": True}
)
def test_resolver_position():
assert serialization_schema(B) == {
"type": "object",
"properties": {
"a": {
"type": "integer"
},
"b": {
"type": "integer"
},
"c": {
"type": "integer"
},
"d": {
"type": "integer"
},
"e": {
"type": "integer"
},
},
"required": ["a", "b", "c", "d", "e"],
"additionalProperties": False,
"$schema": "http://json-schema.org/draft/2019-09/schema#",
}
assert (print_schema(graphql_schema(query=[query])) == """\
type Query {
query: B!
}
type B {
a: Int!
b: Int!
c: Int!
d: Int!
e: Int!
}
""")
def define_sample_schema():
BlogImage = GraphQLObjectType(
"Image",
{
"url": GraphQLField(GraphQLString),
"width": GraphQLField(GraphQLInt),
"height": GraphQLField(GraphQLInt),
},
)
BlogAuthor = GraphQLObjectType(
"Author",
lambda: {
"id":
GraphQLField(GraphQLString),
"name":
GraphQLField(GraphQLString),
"pic":
GraphQLField(
BlogImage,
args={
"width": GraphQLArgument(GraphQLInt),
"height": GraphQLArgument(GraphQLInt),
},
),
"recentArticle":
GraphQLField(BlogArticle),
},
)
BlogArticle = GraphQLObjectType(
"Article",
lambda: {
"id": GraphQLField(GraphQLString),
"isPublished": GraphQLField(GraphQLBoolean),
"author": GraphQLField(BlogAuthor),
"title": GraphQLField(GraphQLString),
"body": GraphQLField(GraphQLString),
},
)
BlogQuery = GraphQLObjectType(
"Query",
{
"article":
GraphQLField(BlogArticle,
args={"id": GraphQLArgument(GraphQLString)}),
"feed":
GraphQLField(GraphQLList(BlogArticle)),
},
)
BlogMutation = GraphQLObjectType(
"Mutation", {"writeArticle": GraphQLField(BlogArticle)})
BlogSubscription = GraphQLObjectType(
"Subscription",
{
"articleSubscribe":
GraphQLField(args={"id": GraphQLArgument(GraphQLString)},
type_=BlogArticle)
},
)
schema = GraphQLSchema(BlogQuery, BlogMutation, BlogSubscription)
assert print_schema(schema) == dedent("""
type Article {
id: String
isPublished: Boolean
author: Author
title: String
body: String
}
type Author {
id: String
name: String
pic(width: Int, height: Int): Image
recentArticle: Article
}
type Image {
url: String
width: Int
height: Int
}
type Mutation {
writeArticle: Article
}
type Query {
article(id: String): Article
feed: [Article]
}
type Subscription {
articleSubscribe(id: String): Article
}
""")
def define_sample_schema():
BlogImage = GraphQLObjectType(
"Image",
{
"url": GraphQLField(GraphQLString),
"width": GraphQLField(GraphQLInt),
"height": GraphQLField(GraphQLInt),
},
)
BlogArticle: GraphQLObjectType
BlogAuthor = GraphQLObjectType(
"Author",
lambda: {
"id":
GraphQLField(GraphQLString),
"name":
GraphQLField(GraphQLString),
"pic":
GraphQLField(
BlogImage,
args={
"width": GraphQLArgument(GraphQLInt),
"height": GraphQLArgument(GraphQLInt),
},
),
"recentArticle":
GraphQLField(BlogArticle),
},
)
BlogArticle = GraphQLObjectType(
"Article",
lambda: {
"id": GraphQLField(GraphQLString),
"isPublished": GraphQLField(GraphQLBoolean),
"author": GraphQLField(BlogAuthor),
"title": GraphQLField(GraphQLString),
"body": GraphQLField(GraphQLString),
},
)
BlogQuery = GraphQLObjectType(
"Query",
{
"article":
GraphQLField(BlogArticle,
args={"id": GraphQLArgument(GraphQLString)}),
"feed":
GraphQLField(GraphQLList(BlogArticle)),
},
)
BlogMutation = GraphQLObjectType(
"Mutation", {"writeArticle": GraphQLField(BlogArticle)})
BlogSubscription = GraphQLObjectType(
"Subscription",
{
"articleSubscribe":
GraphQLField(args={"id": GraphQLArgument(GraphQLString)},
type_=BlogArticle)
},
)
schema = GraphQLSchema(BlogQuery, BlogMutation, BlogSubscription)
kwargs = schema.to_kwargs()
types = kwargs.pop("types")
assert types == list(schema.type_map.values())
assert kwargs == {
"query": BlogQuery,
"mutation": BlogMutation,
"subscription": BlogSubscription,
"directives": None,
"ast_node": None,
"extensions": None,
"extension_ast_nodes": None,
"assume_valid": False,
}
assert print_schema(schema) == dedent("""
type Article {
id: String
isPublished: Boolean
author: Author
title: String
body: String
}
type Author {
id: String
name: String
pic(width: Int, height: Int): Image
recentArticle: Article
}
type Image {
url: String
width: Int
height: Int
}
type Mutation {
writeArticle: Article
}
type Query {
article(id: String): Article
feed: [Article]
}
type Subscription {
articleSubscribe(id: String): Article
}
""")
def extend_test_schema(sdl, **options) -> GraphQLSchema:
original_print = print_schema(test_schema)
ast = parse(sdl)
extended_schema = extend_schema(test_schema, ast, **options)
assert print_schema(test_schema) == original_print
return extended_schema
def correctly_assigns_ast_nodes_to_new_and_extended_types():
extended_schema = extend_test_schema("""
extend type Query {
newField(testArg: TestInput): TestEnum
}
extend scalar SomeScalar @foo
extend enum SomeEnum {
NEW_VALUE
}
extend union SomeUnion = Bar
extend input SomeInput {
newField: String
}
extend interface SomeInterface {
newField: String
}
enum TestEnum {
TEST_VALUE
}
input TestInput {
testInputField: TestEnum
}
""")
ast = parse("""
extend type Query {
oneMoreNewField: TestUnion
}
extend scalar SomeScalar @test
extend enum SomeEnum {
ONE_MORE_NEW_VALUE
}
extend union SomeUnion = TestType
extend input SomeInput {
oneMoreNewField: String
}
extend interface SomeInterface {
oneMoreNewField: String
}
union TestUnion = TestType
interface TestInterface {
interfaceField: String
}
type TestType implements TestInterface {
interfaceField: String
}
directive @test(arg: Int) repeatable on FIELD | SCALAR
""")
extended_twice_schema = extend_schema(extended_schema, ast)
query = assert_object_type(extended_twice_schema.get_type("Query"))
some_enum = assert_enum_type(
extended_twice_schema.get_type("SomeEnum"))
some_union = assert_union_type(
extended_twice_schema.get_type("SomeUnion"))
some_scalar = assert_scalar_type(
extended_twice_schema.get_type("SomeScalar"))
some_input = assert_input_object_type(
extended_twice_schema.get_type("SomeInput"))
some_interface = assert_interface_type(
extended_twice_schema.get_type("SomeInterface"))
test_input = assert_input_object_type(
extended_twice_schema.get_type("TestInput"))
test_enum = assert_enum_type(
extended_twice_schema.get_type("TestEnum"))
test_union = assert_union_type(
extended_twice_schema.get_type("TestUnion"))
test_type = assert_object_type(
extended_twice_schema.get_type("TestType"))
test_interface = assert_interface_type(
extended_twice_schema.get_type("TestInterface"))
test_directive = assert_directive(
extended_twice_schema.get_directive("test"))
assert test_type.extension_ast_nodes is None
assert test_enum.extension_ast_nodes is None
assert test_union.extension_ast_nodes is None
assert test_input.extension_ast_nodes is None
assert test_interface.extension_ast_nodes is None
assert query.extension_ast_nodes
assert len(query.extension_ast_nodes) == 2
assert some_scalar.extension_ast_nodes
assert len(some_scalar.extension_ast_nodes) == 2
assert some_enum.extension_ast_nodes
assert len(some_enum.extension_ast_nodes) == 2
assert some_union.extension_ast_nodes
assert len(some_union.extension_ast_nodes) == 2
assert some_input.extension_ast_nodes
assert len(some_input.extension_ast_nodes) == 2
assert some_interface.extension_ast_nodes
assert len(some_interface.extension_ast_nodes) == 2
definitions: List[Optional[TypeSystemDefinitionNode]] = [
test_input.ast_node,
test_enum.ast_node,
test_union.ast_node,
test_interface.ast_node,
test_type.ast_node,
test_directive.ast_node,
]
extensions: List[Optional[FrozenList[TypeSystemDefinitionNode]]] = [
query.extension_ast_nodes,
some_scalar.extension_ast_nodes,
some_enum.extension_ast_nodes,
some_union.extension_ast_nodes,
some_input.extension_ast_nodes,
some_interface.extension_ast_nodes,
]
for extension_ast_nodes in extensions:
if extension_ast_nodes:
definitions.extend(extension_ast_nodes)
restored_extension_ast = DocumentNode(definitions=definitions)
assert print_schema(extend_schema(
test_schema,
restored_extension_ast)) == print_schema(extended_twice_schema)
new_field = query.fields["newField"]
assert print_ast_node(
new_field) == "newField(testArg: TestInput): TestEnum"
assert print_ast_node(
new_field.args["testArg"]) == "testArg: TestInput"
assert (print_ast_node(
query.fields["oneMoreNewField"]) == "oneMoreNewField: TestUnion")
new_value = some_enum.values["NEW_VALUE"]
assert some_enum
assert print_ast_node(new_value) == "NEW_VALUE"
one_more_new_value = some_enum.values["ONE_MORE_NEW_VALUE"]
assert one_more_new_value
assert print_ast_node(one_more_new_value) == "ONE_MORE_NEW_VALUE"
assert print_ast_node(
some_input.fields["newField"]) == "newField: String"
assert (print_ast_node(
some_input.fields["oneMoreNewField"]) == "oneMoreNewField: String")
assert print_ast_node(
some_interface.fields["newField"]) == "newField: String"
assert (print_ast_node(some_interface.fields["oneMoreNewField"]) ==
"oneMoreNewField: String")
assert (print_ast_node(
test_input.fields["testInputField"]) == "testInputField: TestEnum")
test_value = test_enum.values["TEST_VALUE"]
assert test_value
assert print_ast_node(test_value) == "TEST_VALUE"
assert (print_ast_node(test_interface.fields["interfaceField"]) ==
"interfaceField: String")
assert (print_ast_node(
test_type.fields["interfaceField"]) == "interfaceField: String")
assert print_ast_node(test_directive.args["arg"]) == "arg: Int"
someEnum: SomeEnum
someInterface(id: ID!): SomeInterface
someInput(input: SomeInput): String
}
""")
def extend_test_schema(sdl, **options) -> GraphQLSchema:
original_print = print_schema(test_schema)
ast = parse(sdl)
extended_schema = extend_schema(test_schema, ast, **options)
assert print_schema(test_schema) == original_print
return extended_schema
test_schema_ast = parse(print_schema(test_schema))
test_schema_definitions = [
print_ast(node) for node in test_schema_ast.definitions
]
def print_test_schema_changes(extended_schema):
ast = parse(print_schema(extended_schema))
ast.definitions = FrozenList(
node for node in ast.definitions
if print_ast(node) not in test_schema_definitions)
return print_ast(ast)
TypeWithAstNode = Union[GraphQLArgument, GraphQLEnumValue, GraphQLField,
GraphQLInputField, GraphQLNamedType, GraphQLSchema, ]
}
type Bar {
field: String!
}
input FooInput {
bar: BarInput
baz: Int
}
input BarInput {
field: String!
}
"""
assert print_schema(schema) == schema_str
query_str = """
{
query(foo: {bar: {field: "value"}}) {
bar {
field
}
baz
}
}
"""
assert graphql_sync(schema, query_str).data == {
"query": {"bar": {"field": "value"}, "baz": None}
}
def print_for_test(schema: GraphQLSchema) -> str:
schema_text = print_schema(schema)
# keep print_schema and build_schema in sync
assert print_schema(build_schema(schema_text)) == schema_text
return schema_text
def expect_printed_schema(schema: GraphQLSchema) -> str:
schema_text = print_schema(schema)
# keep print_schema and build_schema in sync
assert print_schema(build_schema(schema_text)) == schema_text
return schema_text