graphene-django/graphene_django/tests/test_views.py
2020-05-09 12:13:47 +01:00

565 lines
16 KiB
Python

import json
import pytest
try:
from urllib import urlencode
except ImportError:
from urllib.parse import urlencode
def url_string(string="/graphql", **url_params):
if url_params:
string += "?" + urlencode(url_params)
return string
def batch_url_string(**url_params):
return url_string("/graphql/batch", **url_params)
def response_json(response):
return json.loads(response.content.decode())
j = lambda **kwargs: json.dumps(kwargs)
jl = lambda **kwargs: json.dumps([kwargs])
def test_graphiql_is_enabled(client):
response = client.get(url_string(), HTTP_ACCEPT="text/html")
assert response.status_code == 200
assert response["Content-Type"].split(";")[0] == "text/html"
def test_qfactor_graphiql(client):
response = client.get(
url_string(query="{test}"),
HTTP_ACCEPT="application/json;q=0.8, text/html;q=0.9",
)
assert response.status_code == 200
assert response["Content-Type"].split(";")[0] == "text/html"
def test_qfactor_json(client):
response = client.get(
url_string(query="{test}"),
HTTP_ACCEPT="text/html;q=0.8, application/json;q=0.9",
)
assert response.status_code == 200
assert response["Content-Type"].split(";")[0] == "application/json"
assert response_json(response) == {"data": {"test": "Hello World"}}
def test_allows_get_with_query_param(client):
response = client.get(url_string(query="{test}"))
assert response.status_code == 200
assert response_json(response) == {"data": {"test": "Hello World"}}
def test_allows_get_with_variable_values(client):
response = client.get(
url_string(
query="query helloWho($who: String){ test(who: $who) }",
variables=json.dumps({"who": "Dolly"}),
)
)
assert response.status_code == 200
assert response_json(response) == {"data": {"test": "Hello Dolly"}}
def test_allows_get_with_operation_name(client):
response = client.get(
url_string(
query="""
query helloYou { test(who: "You"), ...shared }
query helloWorld { test(who: "World"), ...shared }
query helloDolly { test(who: "Dolly"), ...shared }
fragment shared on QueryRoot {
shared: test(who: "Everyone")
}
""",
operationName="helloWorld",
)
)
assert response.status_code == 200
assert response_json(response) == {
"data": {"test": "Hello World", "shared": "Hello Everyone"}
}
def test_reports_validation_errors(client):
response = client.get(url_string(query="{ test, unknownOne, unknownTwo }"))
assert response.status_code == 400
assert response_json(response) == {
"errors": [
{
"message": "Cannot query field 'unknownOne' on type 'QueryRoot'.",
"locations": [{"line": 1, "column": 9}],
"path": None,
},
{
"message": "Cannot query field 'unknownTwo' on type 'QueryRoot'.",
"locations": [{"line": 1, "column": 21}],
"path": None,
},
]
}
def test_errors_when_missing_operation_name(client):
response = client.get(
url_string(
query="""
query TestQuery { test }
mutation TestMutation { writeTest { test } }
"""
)
)
assert response.status_code == 400
assert response_json(response) == {
"errors": [
{
"message": "Must provide operation name if query contains multiple operations.",
"locations": None,
"path": None,
}
]
}
def test_errors_when_sending_a_mutation_via_get(client):
response = client.get(
url_string(
query="""
mutation TestMutation { writeTest { test } }
"""
)
)
assert response.status_code == 405
assert response_json(response) == {
"errors": [
{"message": "Can only perform a mutation operation from a POST request."}
]
}
def test_errors_when_selecting_a_mutation_within_a_get(client):
response = client.get(
url_string(
query="""
query TestQuery { test }
mutation TestMutation { writeTest { test } }
""",
operationName="TestMutation",
)
)
assert response.status_code == 405
assert response_json(response) == {
"errors": [
{"message": "Can only perform a mutation operation from a POST request."}
]
}
def test_allows_mutation_to_exist_within_a_get(client):
response = client.get(
url_string(
query="""
query TestQuery { test }
mutation TestMutation { writeTest { test } }
""",
operationName="TestQuery",
)
)
assert response.status_code == 200
assert response_json(response) == {"data": {"test": "Hello World"}}
def test_allows_post_with_json_encoding(client):
response = client.post(url_string(), j(query="{test}"), "application/json")
assert response.status_code == 200
assert response_json(response) == {"data": {"test": "Hello World"}}
def test_batch_allows_post_with_json_encoding(client):
response = client.post(
batch_url_string(), jl(id=1, query="{test}"), "application/json"
)
assert response.status_code == 200
assert response_json(response) == [
{"id": 1, "data": {"test": "Hello World"}, "status": 200}
]
def test_batch_fails_if_is_empty(client):
response = client.post(batch_url_string(), "[]", "application/json")
assert response.status_code == 400
assert response_json(response) == {
"errors": [{"message": "Received an empty list in the batch request."}]
}
def test_allows_sending_a_mutation_via_post(client):
response = client.post(
url_string(),
j(query="mutation TestMutation { writeTest { test } }"),
"application/json",
)
assert response.status_code == 200
assert response_json(response) == {"data": {"writeTest": {"test": "Hello World"}}}
def test_allows_post_with_url_encoding(client):
response = client.post(
url_string(),
urlencode(dict(query="{test}")),
"application/x-www-form-urlencoded",
)
assert response.status_code == 200
assert response_json(response) == {"data": {"test": "Hello World"}}
def test_supports_post_json_query_with_string_variables(client):
response = client.post(
url_string(),
j(
query="query helloWho($who: String){ test(who: $who) }",
variables=json.dumps({"who": "Dolly"}),
),
"application/json",
)
assert response.status_code == 200
assert response_json(response) == {"data": {"test": "Hello Dolly"}}
def test_batch_supports_post_json_query_with_string_variables(client):
response = client.post(
batch_url_string(),
jl(
id=1,
query="query helloWho($who: String){ test(who: $who) }",
variables=json.dumps({"who": "Dolly"}),
),
"application/json",
)
assert response.status_code == 200
assert response_json(response) == [
{"id": 1, "data": {"test": "Hello Dolly"}, "status": 200}
]
def test_supports_post_json_query_with_json_variables(client):
response = client.post(
url_string(),
j(
query="query helloWho($who: String){ test(who: $who) }",
variables={"who": "Dolly"},
),
"application/json",
)
assert response.status_code == 200
assert response_json(response) == {"data": {"test": "Hello Dolly"}}
def test_batch_supports_post_json_query_with_json_variables(client):
response = client.post(
batch_url_string(),
jl(
id=1,
query="query helloWho($who: String){ test(who: $who) }",
variables={"who": "Dolly"},
),
"application/json",
)
assert response.status_code == 200
assert response_json(response) == [
{"id": 1, "data": {"test": "Hello Dolly"}, "status": 200}
]
def test_supports_post_url_encoded_query_with_string_variables(client):
response = client.post(
url_string(),
urlencode(
dict(
query="query helloWho($who: String){ test(who: $who) }",
variables=json.dumps({"who": "Dolly"}),
)
),
"application/x-www-form-urlencoded",
)
assert response.status_code == 200
assert response_json(response) == {"data": {"test": "Hello Dolly"}}
def test_supports_post_json_quey_with_get_variable_values(client):
response = client.post(
url_string(variables=json.dumps({"who": "Dolly"})),
j(query="query helloWho($who: String){ test(who: $who) }"),
"application/json",
)
assert response.status_code == 200
assert response_json(response) == {"data": {"test": "Hello Dolly"}}
def test_post_url_encoded_query_with_get_variable_values(client):
response = client.post(
url_string(variables=json.dumps({"who": "Dolly"})),
urlencode(dict(query="query helloWho($who: String){ test(who: $who) }")),
"application/x-www-form-urlencoded",
)
assert response.status_code == 200
assert response_json(response) == {"data": {"test": "Hello Dolly"}}
def test_supports_post_raw_text_query_with_get_variable_values(client):
response = client.post(
url_string(variables=json.dumps({"who": "Dolly"})),
"query helloWho($who: String){ test(who: $who) }",
"application/graphql",
)
assert response.status_code == 200
assert response_json(response) == {"data": {"test": "Hello Dolly"}}
def test_allows_post_with_operation_name(client):
response = client.post(
url_string(),
j(
query="""
query helloYou { test(who: "You"), ...shared }
query helloWorld { test(who: "World"), ...shared }
query helloDolly { test(who: "Dolly"), ...shared }
fragment shared on QueryRoot {
shared: test(who: "Everyone")
}
""",
operationName="helloWorld",
),
"application/json",
)
assert response.status_code == 200
assert response_json(response) == {
"data": {"test": "Hello World", "shared": "Hello Everyone"}
}
def test_batch_allows_post_with_operation_name(client):
response = client.post(
batch_url_string(),
jl(
id=1,
query="""
query helloYou { test(who: "You"), ...shared }
query helloWorld { test(who: "World"), ...shared }
query helloDolly { test(who: "Dolly"), ...shared }
fragment shared on QueryRoot {
shared: test(who: "Everyone")
}
""",
operationName="helloWorld",
),
"application/json",
)
assert response.status_code == 200
assert response_json(response) == [
{
"id": 1,
"data": {"test": "Hello World", "shared": "Hello Everyone"},
"status": 200,
}
]
def test_allows_post_with_get_operation_name(client):
response = client.post(
url_string(operationName="helloWorld"),
"""
query helloYou { test(who: "You"), ...shared }
query helloWorld { test(who: "World"), ...shared }
query helloDolly { test(who: "Dolly"), ...shared }
fragment shared on QueryRoot {
shared: test(who: "Everyone")
}
""",
"application/graphql",
)
assert response.status_code == 200
assert response_json(response) == {
"data": {"test": "Hello World", "shared": "Hello Everyone"}
}
@pytest.mark.urls("graphene_django.tests.urls_inherited")
def test_inherited_class_with_attributes_works(client):
inherited_url = "/graphql/inherited/"
# Check schema and pretty attributes work
response = client.post(url_string(inherited_url, query="{test}"))
assert response.content.decode() == (
"{\n" ' "data": {\n' ' "test": "Hello World"\n' " }\n" "}"
)
# Check graphiql works
response = client.get(url_string(inherited_url), HTTP_ACCEPT="text/html")
assert response.status_code == 200
@pytest.mark.urls("graphene_django.tests.urls_pretty")
def test_supports_pretty_printing(client):
response = client.get(url_string(query="{test}"))
assert response.content.decode() == (
"{\n" ' "data": {\n' ' "test": "Hello World"\n' " }\n" "}"
)
def test_supports_pretty_printing_by_request(client):
response = client.get(url_string(query="{test}", pretty="1"))
assert response.content.decode() == (
"{\n" ' "data": {\n' ' "test": "Hello World"\n' " }\n" "}"
)
def test_handles_field_errors_caught_by_graphql(client):
response = client.get(url_string(query="{thrower}"))
assert response.status_code == 200
assert response_json(response) == {
"data": None,
"errors": [
{
"locations": [{"column": 2, "line": 1}],
"path": ["thrower"],
"message": "Throws!",
}
],
}
def test_handles_syntax_errors_caught_by_graphql(client):
response = client.get(url_string(query="syntaxerror"))
assert response.status_code == 400
assert response_json(response) == {
"errors": [
{
"locations": [{"column": 1, "line": 1}],
"message": "Syntax Error: Unexpected Name 'syntaxerror'.",
"path": None,
}
]
}
def test_handles_errors_caused_by_a_lack_of_query(client):
response = client.get(url_string())
assert response.status_code == 400
assert response_json(response) == {
"errors": [{"message": "Must provide query string."}]
}
def test_handles_not_expected_json_bodies(client):
response = client.post(url_string(), "[]", "application/json")
assert response.status_code == 400
assert response_json(response) == {
"errors": [{"message": "The received data is not a valid JSON query."}]
}
def test_handles_invalid_json_bodies(client):
response = client.post(url_string(), "[oh}", "application/json")
assert response.status_code == 400
assert response_json(response) == {
"errors": [{"message": "POST body sent invalid JSON."}]
}
def test_handles_django_request_error(client, monkeypatch):
def mocked_read(*args):
raise IOError("foo-bar")
monkeypatch.setattr("django.http.request.HttpRequest.read", mocked_read)
valid_json = json.dumps(dict(foo="bar"))
response = client.post(url_string(), valid_json, "application/json")
assert response.status_code == 400
assert response_json(response) == {"errors": [{"message": "foo-bar"}]}
def test_handles_incomplete_json_bodies(client):
response = client.post(url_string(), '{"query":', "application/json")
assert response.status_code == 400
assert response_json(response) == {
"errors": [{"message": "POST body sent invalid JSON."}]
}
def test_handles_plain_post_text(client):
response = client.post(
url_string(variables=json.dumps({"who": "Dolly"})),
"query helloWho($who: String){ test(who: $who) }",
"text/plain",
)
assert response.status_code == 400
assert response_json(response) == {
"errors": [{"message": "Must provide query string."}]
}
def test_handles_poorly_formed_variables(client):
response = client.get(
url_string(
query="query helloWho($who: String){ test(who: $who) }", variables="who:You"
)
)
assert response.status_code == 400
assert response_json(response) == {
"errors": [{"message": "Variables are invalid JSON."}]
}
def test_handles_unsupported_http_methods(client):
response = client.put(url_string(query="{test}"))
assert response.status_code == 405
assert response["Allow"] == "GET, POST"
assert response_json(response) == {
"errors": [{"message": "GraphQL only supports GET and POST requests."}]
}
def test_passes_request_into_context_request(client):
response = client.get(url_string(query="{request}", q="testing"))
assert response.status_code == 200
assert response_json(response) == {"data": {"request": "testing"}}