def test_executes_interface_types_with_inline_fragment():
# This is the valid version of the query in the above test.
ast = parse('''
{
__typename
name
friends {
__typename
name
... on Dog {
barks
}
... on Cat {
meows
}
}
}
''')
result = execute(schema, john, ast)
assert not result.errors
assert result.data == {
'__typename': 'Person',
'name': 'John',
'friends': [
{'__typename': 'Person', 'name': 'Liz'},
{'__typename': 'Dog', 'name': 'Odie', 'barks': True}
]
}
def test_evaluates_mutations_serially():
doc = '''mutation M {
first: immediatelyChangeTheNumber(newNumber: 1) {
theNumber
},
second: promiseToChangeTheNumber(newNumber: 2) {
theNumber
},
third: immediatelyChangeTheNumber(newNumber: 3) {
theNumber
}
fourth: promiseToChangeTheNumber(newNumber: 4) {
theNumber
},
fifth: immediatelyChangeTheNumber(newNumber: 5) {
theNumber
}
}'''
ast = parse(doc)
result = execute(schema, Root(6), ast, 'M')
assert not result.errors
assert result.data == \
{
'first': {'theNumber': 1},
'second': {'theNumber': 2},
'third': {'theNumber': 3},
'fourth': {'theNumber': 4},
'fifth': {'theNumber': 5},
}
def test_executes_union_types_with_inline_fragment():
# This is the valid version of the query in the above test.
ast = parse('''
{
__typename
name
pets {
__typename
... on Dog {
name
barks
}
... on Cat {
name
meows
}
}
}
''')
result = execute(schema, john, ast)
assert not result.errors
assert result.data == {
'__typename': 'Person',
'name': 'John',
'pets': [
{'__typename': 'Cat', 'name': 'Garfield', 'meows': False},
{'__typename': 'Dog', 'name': 'Odie', 'barks': True}
]
}
def test_supports_the_type_root_field():
TestType = GraphQLObjectType("TestType", {"testField": GraphQLField(GraphQLString)})
schema = GraphQLSchema(TestType)
request = '{ __type(name: "TestType") { name } }'
result = execute(schema, object(), parse(request))
assert not result.errors
assert result.data == {"__type": {"name": "TestType"}}
def test_when_argument_provided_cannot_be_coerced():
ast = parse('''{
fieldWithDefaultArgumentValue(input: WRONG_TYPE)
}''')
result = execute(schema, None, ast)
assert not result.errors
assert result.data == {'fieldWithDefaultArgumentValue': '"Hello World"'}
def test_when_nullable_variable_provided():
ast = parse('''query optionalVariable($optional: String) {
fieldWithDefaultArgumentValue(input: $optional)
}''')
result = execute(schema, None, ast)
assert not result.errors
assert result.data == {'fieldWithDefaultArgumentValue': '"Hello World"'}
def test_correctly_threads_arguments():
doc = '''
query Example {
b(numArg: 123, stringArg: "foo")
}
'''
def resolver(_, args, *_args):
assert args['numArg'] == 123
assert args['stringArg'] == 'foo'
resolver.got_here = True
resolver.got_here = False
doc_ast = parse(doc)
Type = GraphQLObjectType('Type', {
'b': GraphQLField(
GraphQLString,
args={
'numArg': GraphQLArgument(GraphQLInt),
'stringArg': GraphQLArgument(GraphQLString),
},
resolver=resolver),
})
result = execute(GraphQLSchema(Type), None, doc_ast, 'Example', {})
assert not result.errors
assert resolver.got_here
def test_inline_does_not_use_incorrect_value():
doc = '''
{
fieldWithObjectInput(input: ["foo", "bar", "baz"])
}
'''
ast = parse(doc)
result = execute(schema, None, ast)
assert not result.errors
assert json.loads(result.data['fieldWithObjectInput']) is None
def test_allows_lists_to_contain_values():
doc = '''
query q($input:[String]) {
list(input: $input)
}
'''
ast = parse(doc)
result = execute(schema, None, ast, None, {'input': ['A']})
assert not result.errors
assert result.data == {'list': '["A"]'}
def test_does_not_allow_non_null_lists_to_be_null():
doc = '''
query q($input:[String]!) {
nnList(input: $input)
}
'''
ast = parse(doc)
with raises(GraphQLError) as excinfo:
execute(schema, None, ast, None, {'input': None})
e = excinfo.value
def test_does_not_allow_non_null_lists_of_non_nulls_to_contain_null():
doc = '''
query q($input:[String!]!) {
nnListNN(input: $input)
}
'''
ast = parse(doc)
with raises(GraphQLError) as excinfo:
execute(schema, None, ast, None, {'input': ['A', None, 'B']})
e = excinfo.value
def test_does_not_allow_unknown_types_to_be_used_as_values():
doc = '''
query q($input: UnknownType!) {
fieldWithObjectInput(input: $input)
}
'''
ast = parse(doc)
with raises(GraphQLError) as excinfo:
execute(schema, None, ast)
e = excinfo.value
def test_allows_lists_of_non_nulls_to_be_null():
doc = '''
query q($input:[String!]) {
listNN(input: $input)
}
'''
ast = parse(doc)
result = execute(schema, None, ast, None, {'input': None})
assert not result.errors
assert result.data == {'listNN': 'null'}
def test_allows_non_null_lists_of_non_nulls_to_contain_values():
doc = '''
query q($input:[String!]!) {
nnListNN(input: $input)
}
'''
ast = parse(doc)
result = execute(schema, None, ast, None, {'input': ['A']})
assert not result.errors
assert result.data == {'nnListNN': '["A"]'}
def test_does_not_allow_non_nullable_inputs_to_be_set_to_null_in_a_variable():
doc = '''
query SetsNonNullable($value: String!) {
fieldWithNonNullableStringInput(input: $value)
}
'''
ast = parse(doc)
with raises(GraphQLError) as excinfo:
execute(schema, None, ast, None, {'value': None})
e = excinfo.value
def test_allows_non_null_lists_to_contain_null():
doc = '''
query q($input:[String]!) {
nnList(input: $input)
}
'''
ast = parse(doc)
result = execute(schema, None, ast, None, {'input': ['A', None, 'B']})
assert not result.errors
assert result.data == {'nnList': '["A", null, "B"]'}
def test_variable_uses_default_value_when_not_provided():
with_defaults_ast = '''
query q($input: TestInputObject = {a: "foo", b: ["bar"], c: "baz"}) {
fieldWithObjectInput(input: $input)
}
'''
ast = parse(with_defaults_ast)
result = execute(schema, None, ast)
assert not result.errors
assert json.loads(result.data['fieldWithObjectInput']) == \
{"a": "foo", "b": ["bar"], "c": "baz"}
def test_errors_on_addition_of_unknown_input_field():
doc = '''
query q($input:TestInputObject) {
fieldWithObjectInput(input: $input)
}
'''
params = {'input': {'a': 'foo', 'b': 'bar', 'c': 'baz', 'd': 'dog'}}
ast = parse(doc)
with raises(GraphQLError) as excinfo:
execute(schema, None, ast, None, params)
e = excinfo.value
def test_inline_properly_coerces_single_value_to_array():
doc = '''
{
fieldWithObjectInput(input: {a: "foo", b: "bar", c: "baz"})
}
'''
ast = parse(doc)
result = execute(schema, None, ast)
assert not result.errors
assert json.loads(result.data['fieldWithObjectInput']) == \
{"a": "foo", "b": ["bar"], "c": "baz"}
def test_passes_along_null_for_non_nullable_inputs_if_explicitly_set_in_the_query():
doc = '''
{
fieldWithNonNullableStringInput
}
'''
ast = parse(doc)
result = execute(schema, None, ast)
assert not result.errors
assert result.data == \
{"fieldWithNonNullableStringInput": 'null'}
def test_allows_non_nullable_inputs_to_be_set_to_a_value_directly():
doc = '''
{
fieldWithNonNullableStringInput(input: "a")
}
'''
ast = parse(doc)
result = execute(schema, None, ast)
assert not result.errors
assert result.data == \
{"fieldWithNonNullableStringInput": '"a"'}
def test_uses_the_only_operation_if_no_operation_is_provided():
doc = 'query Example { a }'
class Data(object):
a = 'b'
ast = parse(doc)
Type = GraphQLObjectType('Type', {
'a': GraphQLField(GraphQLString)
})
result = execute(GraphQLSchema(Type), Data(), ast)
assert not result.errors
assert result.data == {'a': 'b'}
def test_allows_nullable_inputs_to_be_omitted_in_an_unlisted_variable():
doc = '''
query SetsNullable {
fieldWithNullableStringInput(input: $value)
}
'''
ast = parse(doc)
result = execute(schema, None, ast)
assert not result.errors
assert result.data == \
{"fieldWithNullableStringInput": "null"}
def test_allows_nullable_inputs_to_be_omitted():
doc = '''
{
fieldWithNullableStringInput
}
'''
ast = parse(doc)
result = execute(schema, None, ast)
assert not result.errors
assert result.data == \
{"fieldWithNullableStringInput": "null"}
def test_raises_the_inline_operation_if_no_operation_is_provided():
doc = 'query Example { a } query OtherExample { a }'
class Data(object):
a = 'b'
ast = parse(doc)
Type = GraphQLObjectType('Type', {
'a': GraphQLField(GraphQLString)
})
with raises(GraphQLError) as excinfo:
execute(GraphQLSchema(Type), Data(), ast)
assert 'Must provide operation name if query contains multiple operations' in str(excinfo.value)
def test_errors_on_incorrect_type():
doc = '''
query q($input:TestInputObject) {
fieldWithObjectInput(input: $input)
}
'''
params = {'input': 'foo bar'}
ast = parse(doc)
with raises(GraphQLError) as excinfo:
execute(schema, None, ast, None, params)
e = excinfo.value
def test_inline_executes_with_complex_input():
doc = '''
{
fieldWithObjectInput(input: {a: "foo", b: ["bar"], c: "baz"})
}
'''
ast = parse(doc)
result = execute(schema, None, ast)
assert not result.errors
assert json.loads(result.data['fieldWithObjectInput']) == \
{"a": "foo", "b": ["bar"], "c": "baz"}
def test_errors_on_omission_of_nested_non_null():
doc = '''
query q($input:TestInputObject) {
fieldWithObjectInput(input: $input)
}
'''
params = {'input': {'a': 'foo', 'b': 'bar'}}
ast = parse(doc)
with raises(GraphQLError) as excinfo:
execute(schema, None, ast, None, params)
e = excinfo.value
def test_allows_non_nullable_inputs_to_be_set_to_a_value_in_a_variable():
doc = '''
query SetsNonNullable($value: String!) {
fieldWithNonNullableStringInput(input: $value)
}
'''
ast = parse(doc)
result = execute(schema, None, ast, None, {'value': 'a'})
assert not result.errors
assert result.data == \
{"fieldWithNonNullableStringInput": '"a"'}
def test_variable_properly_coerces_single_value_to_array():
doc = '''
query q($input:TestInputObject) {
fieldWithObjectInput(input: $input)
}
'''
params = {'input': {'a': 'foo', 'b': 'bar', 'c': 'baz'}}
ast = parse(doc)
result = execute(schema, None, ast, None, params)
assert not result.errors
assert json.loads(result.data['fieldWithObjectInput']) == \
{"a": "foo", "b": ["bar"], "c": "baz"}