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|
from typing import Any, Dict
import pytest
from graphql import GraphQLError
from gql import gql
from gql.utilities import parse_result
from tests.starwars.schema import StarWarsSchema
def test_hero_name_and_friends_query():
query = gql(
"""
query HeroNameAndFriendsQuery {
hero {
id
friends {
name
}
name
}
}
"""
)
result = {
"hero": {
"id": "2001",
"friends": [
{"name": "Luke Skywalker"},
{"name": "Han Solo"},
{"name": "Leia Organa"},
],
"name": "R2-D2",
}
}
parsed_result = parse_result(StarWarsSchema, query.document, result)
assert result == parsed_result
def test_hero_name_and_friends_query_with_fragment():
"""Testing for issue #445"""
query = gql(
"""
query HeroNameAndFriendsQuery {
hero {
...HeroSummary
friends {
name
}
}
}
fragment HeroSummary on Character {
id
name
}
"""
)
result = {
"hero": {
"id": "2001",
"friends": [
{"name": "Luke Skywalker"},
{"name": "Han Solo"},
{"name": "Leia Organa"},
],
"name": "R2-D2",
}
}
parsed_result = parse_result(StarWarsSchema, query.document, result)
assert result == parsed_result
def test_key_not_found_in_result():
query = gql(
"""
{
hero {
id
}
}
"""
)
# Backend returned an invalid result without the hero key
# Should be impossible. In that case, we ignore the missing key
result: Dict[str, Any] = {}
parsed_result = parse_result(StarWarsSchema, query.document, result)
assert result == parsed_result
def test_invalid_result_raise_error():
query = gql(
"""
{
hero {
id
}
}
"""
)
result = {"hero": 5}
with pytest.raises(GraphQLError) as exc_info:
parse_result(StarWarsSchema, query.document, result)
assert "Invalid result for container of field id: 5" in str(exc_info)
def test_fragment():
query = gql(
"""
query UseFragment {
luke: human(id: "1000") {
...HumanFragment
}
leia: human(id: "1003") {
...HumanFragment
}
}
fragment HumanFragment on Human {
name
homePlanet
}
"""
)
result = {
"luke": {"name": "Luke Skywalker", "homePlanet": "Tatooine"},
"leia": {"name": "Leia Organa", "homePlanet": "Alderaan"},
}
parsed_result = parse_result(StarWarsSchema, query.document, result)
assert result == parsed_result
def test_fragment_not_found():
query = gql(
"""
query UseFragment {
luke: human(id: "1000") {
...HumanFragment
}
}
"""
)
result = {
"luke": {"name": "Luke Skywalker", "homePlanet": "Tatooine"},
}
with pytest.raises(GraphQLError) as exc_info:
parse_result(StarWarsSchema, query.document, result)
assert 'Fragment "HumanFragment" not found in document!' in str(exc_info)
def test_return_none_if_result_is_none():
query = gql(
"""
query {
hero {
id
}
}
"""
)
result = None
assert parse_result(StarWarsSchema, query.document, result) is None
def test_null_result_is_allowed():
query = gql(
"""
query {
hero {
id
}
}
"""
)
result = {"hero": None}
parsed_result = parse_result(StarWarsSchema, query.document, result)
assert result == parsed_result
def test_inline_fragment():
query = gql(
"""
query UseFragment {
luke: human(id: "1000") {
... on Human {
name
homePlanet
}
}
}
"""
)
result = {
"luke": {"name": "Luke Skywalker", "homePlanet": "Tatooine"},
}
parsed_result = parse_result(StarWarsSchema, query.document, result)
assert result == parsed_result
|
