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|
from functools import partial
from graphql.utilities import build_schema
from graphql.validation import SingleFieldSubscriptionsRule
from .harness import assert_validation_errors
schema = build_schema(
"""
type Message {
body: String
sender: String
}
type SubscriptionRoot {
importantEmails: [String]
notImportantEmails: [String]
moreImportantEmails: [String]
spamEmails: [String]
deletedEmails: [String]
newMessage: Message
}
type QueryRoot {
dummy: String
}
schema {
query: QueryRoot
subscription: SubscriptionRoot
}
"""
)
assert_errors = partial(
assert_validation_errors, SingleFieldSubscriptionsRule, schema=schema
)
assert_valid = partial(assert_errors, errors=[])
def describe_validate_subscriptions_with_single_field():
def valid_subscription():
assert_valid(
"""
subscription ImportantEmails {
importantEmails
}
"""
)
def valid_subscription_with_fragment():
assert_valid(
"""
subscription sub {
...newMessageFields
}
fragment newMessageFields on SubscriptionRoot {
newMessage {
body
sender
}
}
"""
)
def valid_subscription_with_fragment_and_field():
assert_valid(
"""
subscription sub {
newMessage {
body
}
...newMessageFields
}
fragment newMessageFields on SubscriptionRoot {
newMessage {
body
sender
}
}
"""
)
def fails_with_more_than_one_root_field():
assert_errors(
"""
subscription ImportantEmails {
importantEmails
notImportantEmails
}
""",
[
{
"message": "Subscription 'ImportantEmails'"
" must select only one top level field.",
"locations": [(4, 15)],
}
],
)
def fails_with_more_than_one_root_field_including_introspection():
assert_errors(
"""
subscription ImportantEmails {
importantEmails
__typename
}
""",
[
{
"message": "Subscription 'ImportantEmails'"
" must select only one top level field.",
"locations": [(4, 15)],
},
{
"message": "Subscription 'ImportantEmails'"
" must not select an introspection top level field.",
"locations": [(4, 15)],
},
],
)
def fails_with_more_than_one_root_field_including_aliased_introspection():
assert_errors(
"""
subscription ImportantEmails {
importantEmails
...Introspection
}
fragment Introspection on SubscriptionRoot {
typename: __typename
}
""",
[
{
"message": "Subscription 'ImportantEmails'"
" must select only one top level field.",
"locations": [(7, 15)],
},
{
"message": "Subscription 'ImportantEmails'"
" must not select an introspection top level field.",
"locations": [(7, 15)],
},
],
)
def fails_with_many_more_than_one_root_field():
assert_errors(
"""
subscription ImportantEmails {
importantEmails
notImportantEmails
spamEmails
}
""",
[
{
"message": "Subscription 'ImportantEmails'"
" must select only one top level field.",
"locations": [(4, 15), (5, 15)],
}
],
)
def fails_with_more_than_one_root_field_via_fragments():
assert_errors(
"""
subscription ImportantEmails {
importantEmails
... {
more: moreImportantEmails
}
...NotImportantEmails
}
fragment NotImportantEmails on SubscriptionRoot {
notImportantEmails
deleted: deletedEmails
...SpamEmails
}
fragment SpamEmails on SubscriptionRoot {
spamEmails
}
""",
[
{
"message": "Subscription 'ImportantEmails'"
" must select only one top level field.",
"locations": [(5, 17), (10, 15), (11, 15), (15, 15)],
},
],
)
def does_not_infinite_loop_on_recursive_fragments():
assert_errors(
"""
subscription NoInfiniteLoop {
...A
}
fragment A on SubscriptionRoot {
...A
}
""",
[],
)
def fails_with_more_than_one_root_field_via_fragments_anonymous():
assert_errors(
"""
subscription {
importantEmails
... {
more: moreImportantEmails
...NotImportantEmails
}
...NotImportantEmails
}
fragment NotImportantEmails on SubscriptionRoot {
notImportantEmails
deleted: deletedEmails
... {
... {
archivedEmails
}
}
...SpamEmails
}
fragment SpamEmails on SubscriptionRoot {
spamEmails
...NonExistentFragment
}
""",
[
{
"message": "Anonymous Subscription"
" must select only one top level field.",
"locations": [(5, 17), (11, 15), (12, 15), (15, 19), (21, 15)],
},
],
)
def fails_with_more_than_one_root_field_in_anonymous_subscriptions():
assert_errors(
"""
subscription {
importantEmails
notImportantEmails
}
""",
[
{
"message": "Anonymous Subscription"
" must select only one top level field.",
"locations": [(4, 15)],
}
],
)
def fails_with_introspection_field():
assert_errors(
"""
subscription ImportantEmails {
__typename
}
""",
[
{
"message": "Subscription 'ImportantEmails' must not"
" select an introspection top level field.",
"locations": [(3, 15)],
}
],
)
def fails_with_introspection_field_in_anonymous_subscription():
assert_errors(
"""
subscription {
__typename
}
""",
[
{
"message": "Anonymous Subscription must not"
" select an introspection top level field.",
"locations": [(3, 15)],
}
],
)
def skips_if_not_subscription_type():
empty_schema = build_schema(
"""
type Query {
dummy: String
}
"""
)
assert_errors(
"""
subscription {
__typename
}
""",
[],
schema=empty_schema,
)
|
