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test_lists.py
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from collections import namedtuple
from gc import collect
from pytest import mark
from graphql.language import parse
from graphql.type import (
GraphQLField, GraphQLInt, GraphQLList,
GraphQLNonNull, GraphQLObjectType, GraphQLSchema, GraphQLString)
from graphql.execution import execute
Data = namedtuple('Data', 'test')
async def get_async(value):
return value
async def raise_async(msg):
raise RuntimeError(msg)
def get_response(test_type, test_data):
data = Data(test=test_data)
data_type = GraphQLObjectType('DataType', lambda: {
'test': GraphQLField(test_type),
'nest': GraphQLField(data_type, resolve=lambda *_args: data)})
schema = GraphQLSchema(data_type)
ast = parse('{ nest { test } }')
return execute(schema, ast, data)
def check_response(response, expected):
if not response.errors:
response = response.data
assert response == expected
def check(test_type, test_data, expected):
check_response(get_response(test_type, test_data), expected)
async def check_async(test_type, test_data, expected):
check_response(await get_response(test_type, test_data), expected)
# Note: When Array values are rejected asynchronously,
# the remaining values may not be awaited any more.
# We manually run a garbage collection after each test so that
# these warnings appear immediately and can be filtered out.
collect()
def describe_execute_accepts_any_iterable_as_list_value():
def accepts_a_set_as_a_list_value():
# We need to use a dict instead of a set,
# since sets are not ordered in Python.
check(GraphQLList(GraphQLString), dict.fromkeys(
['apple', 'banana', 'coconut']), {
'nest': {'test': ['apple', 'banana', 'coconut']}})
def accepts_a_generator_as_a_list_value():
def yield_items():
yield 'one'
yield 2
yield True
check(GraphQLList(GraphQLString), yield_items(), {
'nest': {'test': ['one', '2', 'true']}})
def accepts_function_arguments_as_a_list_value():
def get_args(*args):
return args # actually just a tuple, nothing special in Python
check(GraphQLList(GraphQLString), get_args(
'one', 'two'), {'nest': {'test': ['one', 'two']}})
def does_not_accept_iterable_string_literal_as_a_list_value():
check(GraphQLList(GraphQLString), 'Singular', (
{'nest': {'test': None}},
[{'message': 'Expected Iterable,'
' but did not find one for field DataType.test.',
'locations': [(1, 10)], 'path': ['nest', 'test']}]))
def describe_execute_handles_list_nullability():
def describe_list():
type_ = GraphQLList(GraphQLInt)
def describe_sync_list():
def contains_values():
check(type_, [1, 2], {'nest': {'test': [1, 2]}})
def contains_null():
check(type_, [1, None, 2], {'nest': {'test': [1, None, 2]}})
def returns_null():
check(type_, None, {'nest': {'test': None}})
def describe_async_list():
@mark.asyncio
async def contains_values():
await check_async(type_, get_async([1, 2]), {
'nest': {'test': [1, 2]}})
@mark.asyncio
async def contains_null():
await check_async(type_, get_async([1, None, 2]), {
'nest': {'test': [1, None, 2]}})
@mark.asyncio
async def returns_null():
await check_async(type_, get_async(None), {
'nest': {'test': None}})
@mark.asyncio
async def async_error():
await check_async(type_, raise_async('bad'), (
{'nest': {'test': None}},
[{'message': 'bad',
'locations': [(1, 10)], 'path': ['nest', 'test']}]))
def describe_list_async():
@mark.asyncio
async def contains_values():
await check_async(type_, [get_async(1), get_async(2)], {
'nest': {'test': [1, 2]}})
@mark.asyncio
async def contains_null():
await check_async(type_, [
get_async(1), get_async(None), get_async(2)], {
'nest': {'test': [1, None, 2]}})
@mark.asyncio
async def contains_async_error():
await check_async(type_, [
get_async(1), raise_async('bad'), get_async(2)], (
{'nest': {'test': [1, None, 2]}},
[{'message': 'bad',
'locations': [(1, 10)], 'path': ['nest', 'test', 1]}]))
def describe_not_null_list():
type_ = GraphQLNonNull(GraphQLList(GraphQLInt))
def describe_sync_list():
def contains_values():
check(type_, [1, 2], {'nest': {'test': [1, 2]}})
def contains_null():
check(type_, [1, None, 2], {'nest': {'test': [1, None, 2]}})
def returns_null():
check(type_, None, (
{'nest': None},
[{'message': 'Cannot return null'
' for non-nullable field DataType.test.',
'locations': [(1, 10)], 'path': ['nest', 'test']}]))
def describe_async_list():
@mark.asyncio
async def contains_values():
await check_async(type_, get_async([1, 2]), {
'nest': {'test': [1, 2]}})
@mark.asyncio
async def contains_null():
await check_async(type_, get_async([1, None, 2]), {
'nest': {'test': [1, None, 2]}})
@mark.asyncio
async def returns_null():
await check_async(type_, get_async(None), (
{'nest': None},
[{'message': 'Cannot return null'
' for non-nullable field DataType.test.',
'locations': [(1, 10)], 'path': ['nest', 'test']}]))
@mark.asyncio
async def async_error():
await check_async(type_, raise_async('bad'), (
{'nest': None},
[{'message': 'bad',
'locations': [(1, 10)], 'path': ['nest', 'test']}]))
def describe_list_async():
@mark.asyncio
async def contains_values():
await check_async(type_, [get_async(1), get_async(2)], {
'nest': {'test': [1, 2]}})
@mark.asyncio
async def contains_null():
await check_async(type_, [
get_async(1), get_async(None), get_async(2)], {
'nest': {'test': [1, None, 2]}})
@mark.asyncio
async def contains_async_error():
await check_async(type_, [
get_async(1), raise_async('bad'), get_async(2)], (
{'nest': {'test': [1, None, 2]}},
[{'message': 'bad',
'locations': [(1, 10)], 'path': ['nest', 'test', 1]}]))
def describe_list_not_null():
type_ = GraphQLList(GraphQLNonNull(GraphQLInt))
def describe_sync_list():
def contains_values():
check(type_, [1, 2], {'nest': {'test': [1, 2]}})
def contains_null():
check(type_, [1, None, 2], (
{'nest': {'test': None}},
[{'message': 'Cannot return null'
' for non-nullable field DataType.test.',
'locations': [(1, 10)], 'path': ['nest', 'test', 1]}]))
def returns_null():
check(type_, None, {'nest': {'test': None}})
def describe_async_list():
@mark.asyncio
async def contains_values():
await check_async(type_, get_async([1, 2]), {
'nest': {'test': [1, 2]}})
@mark.asyncio
async def contains_null():
await check_async(type_, get_async([1, None, 2]), (
{'nest': {'test': None}},
[{'message': 'Cannot return null'
' for non-nullable field DataType.test.',
'locations': [(1, 10)], 'path': ['nest', 'test', 1]}]))
@mark.asyncio
async def returns_null():
await check_async(type_, get_async(None), {
'nest': {'test': None}})
@mark.asyncio
async def async_error():
await check_async(type_, raise_async('bad'), (
{'nest': {'test': None}},
[{'message': 'bad',
'locations': [(1, 10)], 'path': ['nest', 'test']}]))
def describe_list_async():
@mark.asyncio
async def contains_values():
await check_async(type_, [get_async(1), get_async(2)], {
'nest': {'test': [1, 2]}})
@mark.asyncio
@mark.filterwarnings('ignore::RuntimeWarning')
async def contains_null():
await check_async(type_, [
get_async(1), get_async(None), get_async(2)], (
{'nest': {'test': None}},
[{'message': 'Cannot return null'
' for non-nullable field DataType.test.',
'locations': [(1, 10)], 'path': ['nest', 'test', 1]}]))
@mark.asyncio
@mark.filterwarnings('ignore::RuntimeWarning')
async def contains_async_error():
await check_async(type_, [
get_async(1), raise_async('bad'), get_async(2)], (
{'nest': {'test': None}},
[{'message': 'bad',
'locations': [(1, 10)], 'path': ['nest', 'test', 1]}]))
def describe_not_null_list_not_null():
type_ = GraphQLNonNull(GraphQLList(GraphQLNonNull(GraphQLInt)))
def describe_sync_list():
def contains_values():
check(type_, [1, 2], {'nest': {'test': [1, 2]}})
def contains_null():
check(type_, [1, None, 2], (
{'nest': None},
[{'message': 'Cannot return null'
' for non-nullable field DataType.test.',
'locations': [(1, 10)], 'path': ['nest', 'test', 1]}]))
def returns_null():
check(type_, None, (
{'nest': None},
[{'message': 'Cannot return null'
' for non-nullable field DataType.test.',
'locations': [(1, 10)], 'path': ['nest', 'test']}]))
def describe_async_list():
@mark.asyncio
async def contains_values():
await check_async(type_, get_async([1, 2]), {
'nest': {'test': [1, 2]}})
@mark.asyncio
async def contains_null():
await check_async(type_, get_async([1, None, 2]), (
{'nest': None},
[{'message': 'Cannot return null'
' for non-nullable field DataType.test.',
'locations': [(1, 10)], 'path': ['nest', 'test', 1]}]))
@mark.asyncio
async def returns_null():
await check_async(type_, get_async(None), (
{'nest': None},
[{'message': 'Cannot return null'
' for non-nullable field DataType.test.',
'locations': [(1, 10)], 'path': ['nest', 'test']}]))
@mark.asyncio
async def async_error():
await check_async(type_, raise_async('bad'), (
{'nest': None},
[{'message': 'bad',
'locations': [(1, 10)], 'path': ['nest', 'test']}]))
def describe_list_async():
@mark.asyncio
async def contains_values():
await check_async(type_, [get_async(1), get_async(2)], {
'nest': {'test': [1, 2]}})
@mark.asyncio
@mark.filterwarnings('ignore::RuntimeWarning')
async def contains_null():
await check_async(type_, [
get_async(1), get_async(None), get_async(2)], (
{'nest': None},
[{'message': 'Cannot return null'
' for non-nullable field DataType.test.',
'locations': [(1, 10)], 'path': ['nest', 'test', 1]}]))
@mark.asyncio
@mark.filterwarnings('ignore::RuntimeWarning')
async def contains_async_error():
await check_async(type_, [
get_async(1), raise_async('bad'), get_async(2)], (
{'nest': None},
[{'message': 'bad',
'locations': [(1, 10)], 'path': ['nest', 'test', 1]}]))