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from enum import Enum
from typing import Optional
import pytest
from graphql import (
GraphQLArgument,
GraphQLEnumType,
GraphQLField,
GraphQLList,
GraphQLNamedType,
GraphQLNonNull,
GraphQLObjectType,
GraphQLSchema,
)
from gql import Client, gql
from gql.utilities import update_schema_enum
class Color(Enum):
RED = 0
GREEN = 1
BLUE = 2
YELLOW = 3
CYAN = 4
MAGENTA = 5
RED = Color.RED
GREEN = Color.GREEN
BLUE = Color.BLUE
YELLOW = Color.YELLOW
CYAN = Color.CYAN
MAGENTA = Color.MAGENTA
ALL_COLORS = [c for c in Color]
ColorType = GraphQLEnumType("Color", {c.name: c for c in Color})
def resolve_opposite(_root, _info, color):
opposite_colors = {
RED: CYAN,
GREEN: MAGENTA,
BLUE: YELLOW,
YELLOW: BLUE,
CYAN: RED,
MAGENTA: GREEN,
}
return opposite_colors[color]
def resolve_all(_root, _info):
return ALL_COLORS
list_of_list_of_list = [[[RED, GREEN], [GREEN, BLUE]], [[YELLOW, CYAN], [MAGENTA, RED]]]
def resolve_list_of_list_of_list(_root, _info):
return list_of_list_of_list
def resolve_list_of_list(_root, _info):
return list_of_list_of_list[0]
def resolve_list(_root, _info):
return list_of_list_of_list[0][0]
queryType = GraphQLObjectType(
name="RootQueryType",
fields={
"all": GraphQLField(
GraphQLList(ColorType),
resolve=resolve_all,
),
"opposite": GraphQLField(
ColorType,
args={"color": GraphQLArgument(ColorType)},
resolve=resolve_opposite,
),
"list_of_list_of_list": GraphQLField(
GraphQLNonNull(
GraphQLList(
GraphQLNonNull(GraphQLList(GraphQLNonNull(GraphQLList(ColorType))))
)
),
resolve=resolve_list_of_list_of_list,
),
"list_of_list": GraphQLField(
GraphQLNonNull(GraphQLList(GraphQLNonNull(GraphQLList(ColorType)))),
resolve=resolve_list_of_list,
),
"list": GraphQLField(
GraphQLNonNull(GraphQLList(ColorType)),
resolve=resolve_list,
),
},
)
schema = GraphQLSchema(query=queryType)
def test_parse_value_enum():
result = ColorType.parse_value("RED")
print(result)
assert isinstance(result, Color)
assert result is RED
def test_serialize_enum():
result = ColorType.serialize(RED)
print(result)
assert result == "RED"
def test_get_all_colors():
query = gql("{all}")
client = Client(schema=schema, parse_results=True)
result = client.execute(query)
print(result)
all_colors = result["all"]
assert all_colors == ALL_COLORS
def test_opposite_color_literal():
client = Client(schema=schema, parse_results=True)
query = gql("{opposite(color: RED)}")
result = client.execute(query)
print(result)
opposite_color = result["opposite"]
assert isinstance(opposite_color, Color)
assert opposite_color == CYAN
def test_opposite_color_variable_serialized_manually():
client = Client(schema=schema, parse_results=True)
query = gql(
"""
query GetOppositeColor($color: Color) {
opposite(color:$color)
}"""
)
query.variable_values = {
"color": "RED",
}
result = client.execute(query)
print(result)
opposite_color = result["opposite"]
assert isinstance(opposite_color, Color)
assert opposite_color == CYAN
def test_opposite_color_variable_serialized_by_gql():
client = Client(schema=schema, parse_results=True)
query = gql(
"""
query GetOppositeColor($color: Color) {
opposite(color:$color)
}"""
)
query.variable_values = {
"color": RED,
}
result = client.execute(query, serialize_variables=True)
print(result)
opposite_color = result["opposite"]
assert isinstance(opposite_color, Color)
assert opposite_color == CYAN
def test_list():
query = gql("{list}")
client = Client(schema=schema, parse_results=True)
result = client.execute(query)
print(result)
big_list = result["list"]
assert big_list == list_of_list_of_list[0][0]
def test_list_of_list():
query = gql("{list_of_list}")
client = Client(schema=schema, parse_results=True)
result = client.execute(query)
print(result)
big_list = result["list_of_list"]
assert big_list == list_of_list_of_list[0]
def test_list_of_list_of_list():
query = gql("{list_of_list_of_list}")
client = Client(schema=schema, parse_results=True)
result = client.execute(query)
print(result)
big_list = result["list_of_list_of_list"]
assert big_list == list_of_list_of_list
def test_update_schema_enum():
color_type: Optional[GraphQLNamedType]
color_type = schema.get_type("Color")
assert isinstance(color_type, GraphQLEnumType)
assert color_type is not None
assert color_type.parse_value("RED") == Color.RED
# Using values
update_schema_enum(schema, "Color", Color, use_enum_values=True)
color_type = schema.get_type("Color")
assert isinstance(color_type, GraphQLEnumType)
assert color_type is not None
assert color_type.parse_value("RED") == 0
assert color_type.serialize(1) == "GREEN"
update_schema_enum(schema, "Color", Color)
color_type = schema.get_type("Color")
assert isinstance(color_type, GraphQLEnumType)
assert color_type is not None
assert color_type.parse_value("RED") == Color.RED
assert color_type.serialize(Color.RED) == "RED"
def test_update_schema_enum_errors():
with pytest.raises(KeyError) as exc_info:
update_schema_enum(schema, "Corlo", Color)
assert "Enum Corlo not found in schema!" in str(exc_info)
with pytest.raises(TypeError) as exc_info2:
update_schema_enum(schema, "Color", 6) # type: ignore
assert "Invalid type for enum values: " in str(exc_info2)
with pytest.raises(TypeError) as exc_info3:
update_schema_enum(schema, "RootQueryType", Color)
assert 'The type "RootQueryType" is not a GraphQLEnumType, it is a' in str(
exc_info3
)
with pytest.raises(KeyError) as exc_info4:
update_schema_enum(schema, "Color", {"RED": Color.RED})
assert 'Enum key "GREEN" not found in provided values!' in str(exc_info4)
def test_parse_results_with_operation_type():
client = Client(schema=schema, parse_results=True)
query = gql(
"""
query GetAll {
all
}
query GetOppositeColor($color: Color) {
opposite(color:$color)
}
query GetOppositeColor2($color: Color) {
other_opposite:opposite(color:$color)
}
query GetOppositeColor3 {
opposite(color: YELLOW)
}
query GetListOfListOfList {
list_of_list_of_list
}
"""
)
query.variable_values = {
"color": "RED",
}
query.operation_name = "GetOppositeColor"
result = client.execute(query)
print(result)
opposite_color = result["opposite"]
assert isinstance(opposite_color, Color)
assert opposite_color == CYAN
|
