def test_parses_null_value_in_list():
result = parse('{ fieldWithObjectInput(input: {b: ["A", null, "C"], c: "C"}) }')
assert result == ast.Document(
definitions=[
ast.OperationDefinition(
operation='query', name=None, variable_definitions=None, directives=[],
selection_set=ast.SelectionSet(
selections=[
ast.Field(
alias=None,
name=ast.Name(value=u'fieldWithObjectInput'),
directives=[],
selection_set=None,
arguments=[
ast.Argument(
name=ast.Name(value=u'input'),
value=ast.ObjectValue(
fields=[
ast.ObjectField(
name=ast.Name(value=u'b'),
value=ast.ListValue(
values=[
ast.StringValue(value=u'A'),
ast.NullValue(),
ast.StringValue(value=u'C'),
],
),
),
ast.ObjectField(
name=ast.Name(value=u'c'),
value=ast.StringValue(value=u'C'),
),
]
),
),
],
),
],
),
),
],
)
def value_node_from_pyvalue(val: object):
if isinstance(val, str):
val = val.replace('\\', '\\\\')
value = eql_quote.quote_literal(val)
return gql_ast.StringValue(value=value[1:-1])
elif isinstance(val, bool):
return gql_ast.BooleanValue(value=bool(val))
elif isinstance(val, int):
return gql_ast.IntValue(value=str(val))
elif isinstance(val, float):
return gql_ast.FloatValue(value=str(val))
elif isinstance(val, list):
return gql_ast.ListValue(
values=[value_node_from_pyvalue(v) for v in val])
elif isinstance(val, dict):
return gql_ast.ObjectValue(fields=[
gql_ast.ObjectField(name=n, value=value_node_from_pyvalue(v))
for n, v in val.items()
])
else:
raise ValueError(f'unexpected constant type: {type(val)!r}')
def test_converts_array_values_to_list_asts():
assert ast_from_value(["FOO", "BAR"]) == ast.ListValue(
values=[ast.StringValue("FOO"),
ast.StringValue("BAR")])
def serialize_list(serializer, list_values):
assert isinstance(list_values,
Iterable), 'Expected iterable, received "{}"'.format(
repr(list_values))
return ast.ListValue(values=[serializer(v) for v in list_values])
def test_converts_array_values_to_list_asts():
assert ast_from_value(['FOO', 'BAR']) == ast.ListValue(
values=[ast.StringValue('FOO'),
ast.StringValue('BAR')])