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from collections import ChainMap
from typing import Any
from graphql.error import GraphQLError
from graphql.execution import ExecutionResult, execute_sync
from graphql.language import SourceLocation, parse
from graphql.type import (
GraphQLArgument,
GraphQLField,
GraphQLID,
GraphQLInputField,
GraphQLInputObjectType,
GraphQLInt,
GraphQLList,
GraphQLObjectType,
GraphQLSchema,
GraphQLString,
)
def describe_execute_resolve_function():
def _test_schema(test_field: GraphQLField) -> GraphQLSchema:
return GraphQLSchema(GraphQLObjectType("Query", {"test": test_field}))
def default_function_accesses_attributes():
class RootValue:
test = "testValue"
assert execute_sync(
schema=_test_schema(GraphQLField(GraphQLString)),
document=parse("{ test }"),
root_value=RootValue(),
) == (
{"test": "testValue"},
None,
)
def default_function_accesses_keys_of_dict():
root_value = {"test": "testValue"}
assert execute_sync(
schema=_test_schema(GraphQLField(GraphQLString)),
document=parse("{ test }"),
root_value=root_value,
) == ({"test": "testValue"}, None)
def default_function_accesses_keys_of_chain_map():
# use a mapping that is not a subclass of dict
root_value = ChainMap({"test": "testValue"})
assert execute_sync(
schema=_test_schema(GraphQLField(GraphQLString)),
document=parse("{ test }"),
root_value=root_value,
) == ({"test": "testValue"}, None)
def default_function_calls_methods():
class RootValue:
_secret = "secretValue"
def test(self, _info):
return self._secret
assert execute_sync(
schema=_test_schema(GraphQLField(GraphQLString)),
document=parse("{ test }"),
root_value=RootValue(),
) == (
{"test": "secretValue"},
None,
)
def default_function_passes_args_and_context():
class Adder:
_num: int
def __init__(self, num):
self._num = num
def test(self, info, addend1: int):
return self._num + addend1 + info.context.addend2
root_value = Adder(700)
schema = _test_schema(
GraphQLField(GraphQLInt, args={"addend1": GraphQLArgument(GraphQLInt)})
)
class ContextValue:
addend2 = 9
context_value = ContextValue()
document = parse("{ test(addend1: 80) }")
assert execute_sync(
schema=schema,
document=document,
root_value=root_value,
context_value=context_value,
) == (
{"test": 789},
None,
)
def uses_provided_resolve_function():
schema = _test_schema(
GraphQLField(
GraphQLString,
args={
"aStr": GraphQLArgument(GraphQLString),
"aInt": GraphQLArgument(GraphQLInt),
},
resolve=lambda source, info, **args: repr([source, args]),
)
)
def execute_query(query: str, root_value: Any = None) -> ExecutionResult:
document = parse(query)
return execute_sync(
schema=schema,
document=document,
root_value=root_value,
)
assert execute_query("{ test }") == ({"test": "[None, {}]"}, None)
assert execute_query("{ test }", "Source!") == (
{"test": "['Source!', {}]"},
None,
)
assert execute_query('{ test(aStr: "String!") }', "Source!") == (
{"test": "['Source!', {'aStr': 'String!'}]"},
None,
)
assert execute_query('{ test(aInt: -123, aStr: "String!") }', "Source!") == (
{"test": "['Source!', {'aStr': 'String!', 'aInt': -123}]"},
None,
)
def transforms_arguments_using_out_names():
# This is an extension of GraphQL.js.
schema = _test_schema(
GraphQLField(
GraphQLString,
args={
"aStr": GraphQLArgument(GraphQLString, out_name="a_str"),
"aInt": GraphQLArgument(GraphQLInt, out_name="a_int"),
},
resolve=lambda source, info, **args: repr([source, args]),
)
)
def execute_query(query: str, root_value: Any = None) -> ExecutionResult:
document = parse(query)
return execute_sync(schema=schema, document=document, root_value=root_value)
assert execute_query("{ test }") == ({"test": "[None, {}]"}, None)
assert execute_query("{ test }", "Source!") == (
{"test": "['Source!', {}]"},
None,
)
assert execute_query('{ test(aStr: "String!") }', "Source!") == (
{"test": "['Source!', {'a_str': 'String!'}]"},
None,
)
assert execute_query('{ test(aInt: -123, aStr: "String!") }', "Source!") == (
{"test": "['Source!', {'a_str': 'String!', 'a_int': -123}]"},
None,
)
def transforms_arguments_with_inputs_using_out_names():
# This is an extension of GraphQL.js.
TestInputObject = GraphQLInputObjectType(
"TestInputObjectType",
lambda: {
"inputOne": GraphQLInputField(GraphQLString, out_name="input_one"),
"inputRecursive": GraphQLInputField(
TestInputObject, out_name="input_recursive"
),
},
)
schema = _test_schema(
GraphQLField(
GraphQLString,
args={"aInput": GraphQLArgument(TestInputObject, out_name="a_input")},
resolve=lambda source, info, **args: repr([source, args]),
)
)
def execute_query(query: str, root_value: Any = None) -> ExecutionResult:
document = parse(query)
return execute_sync(schema=schema, document=document, root_value=root_value)
assert execute_query("{ test }") == ({"test": "[None, {}]"}, None)
assert execute_query('{ test(aInput: {inputOne: "String!"}) }', "Source!") == (
{"test": "['Source!', {'a_input': {'input_one': 'String!'}}]"},
None,
)
assert execute_query(
'{ test(aInput: {inputRecursive: {inputOne: "SourceRecursive!"}}) }',
"Source!",
) == (
{
"test": "['Source!',"
" {'a_input': {'input_recursive': {'input_one': 'SourceRecursive!'}}}]"
},
None,
)
def transforms_default_values_using_out_names():
# This is an extension of GraphQL.js.
resolver_kwargs: Any
def search_resolver(_obj: None, _info, **kwargs):
nonlocal resolver_kwargs
resolver_kwargs = kwargs
return [{"id": "42"}]
filters_type = GraphQLInputObjectType(
"SearchFilters",
{"pageSize": GraphQLInputField(GraphQLInt, out_name="page_size")},
)
result_type = GraphQLObjectType("SearchResult", {"id": GraphQLField(GraphQLID)})
query = GraphQLObjectType(
"Query",
{
"search": GraphQLField(
GraphQLList(result_type),
{
"searchFilters": GraphQLArgument(
filters_type, {"pageSize": 10}, out_name="search_filters"
)
},
resolve=search_resolver,
)
},
)
schema = GraphQLSchema(query)
resolver_kwargs = None
result = execute_sync(schema, parse("{ search { id } }"))
assert result == ({"search": [{"id": "42"}]}, None)
assert resolver_kwargs == {"search_filters": {"page_size": 10}}
resolver_kwargs = None
result = execute_sync(
schema, parse("{ search(searchFilters:{pageSize: 25}) { id } }")
)
assert result == ({"search": [{"id": "42"}]}, None)
assert resolver_kwargs == {"search_filters": {"page_size": 25}}
resolver_kwargs = None
result = execute_sync(
schema,
parse(
"""
query ($searchFilters: SearchFilters) {
search(searchFilters: $searchFilters) { id }
}
"""
),
)
assert result == ({"search": [{"id": "42"}]}, None)
assert resolver_kwargs == {"search_filters": {"page_size": 10}}
resolver_kwargs = None
result = execute_sync(
schema,
parse(
"""
query ($searchFilters: SearchFilters) {
search(searchFilters: $searchFilters) { id }
}
"""
),
variable_values={"searchFilters": {"pageSize": 25}},
)
assert result == ({"search": [{"id": "42"}]}, None)
assert resolver_kwargs == {"search_filters": {"page_size": 25}}
resolver_kwargs = None
result = execute_sync(
schema,
parse(
"""
query ($searchFilters: SearchFilters = {pageSize: 25}) {
search(searchFilters: $searchFilters) { id }
}
"""
),
)
assert result == ({"search": [{"id": "42"}]}, None)
assert resolver_kwargs == {"search_filters": {"page_size": 25}}
def pass_error_from_resolver_wrapped_as_located_graphql_error():
def resolve(_obj, _info):
raise ValueError("Some error")
schema = _test_schema(GraphQLField(GraphQLString, resolve=resolve))
result = execute_sync(schema, parse("{ test }"))
assert result == (
{"test": None},
[{"message": "Some error", "locations": [(1, 3)], "path": ["test"]}],
)
assert result.errors is not None
error = result.errors[0]
assert isinstance(error, GraphQLError)
assert str(error) == "Some error\n\nGraphQL request:1:3\n1 | { test }\n | ^"
assert error.positions == [2]
locations = error.locations
assert locations == [(1, 3)]
location = locations[0]
assert isinstance(location, SourceLocation)
assert location == SourceLocation(1, 3)
original_error = error.original_error
assert isinstance(original_error, ValueError)
assert str(original_error) == "Some error"
|
