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|
from functools import partial
from graphql.utilities import build_schema
from graphql.validation import PossibleFragmentSpreadsRule
from .harness import assert_validation_errors
test_schema = build_schema(
"""
interface Being {
name: String
}
interface Pet implements Being {
name: String
}
type Dog implements Being & Pet {
name: String
barkVolume: Int
}
type Cat implements Being & Pet {
name: String
meowVolume: Int
}
union CatOrDog = Cat | Dog
interface Intelligent {
iq: Int
}
type Human implements Being & Intelligent {
name: String
pets: [Pet]
iq: Int
}
type Alien implements Being & Intelligent {
name: String
iq: Int
}
union DogOrHuman = Dog | Human
union HumanOrAlien = Human | Alien
type Query {
catOrDog: CatOrDog
dogOrHuman: DogOrHuman
humanOrAlien: HumanOrAlien
}
"""
)
assert_errors = partial(
assert_validation_errors, PossibleFragmentSpreadsRule, schema=test_schema
)
assert_valid = partial(assert_errors, errors=[])
def describe_validate_possible_fragment_spreads():
def of_the_same_object():
assert_valid(
"""
fragment objectWithinObject on Dog { ...dogFragment }
fragment dogFragment on Dog { barkVolume }
"""
)
def of_the_same_object_inline_fragment():
assert_valid(
"""
fragment objectWithinObjectAnon on Dog { ... on Dog { barkVolume } }
"""
)
def object_into_implemented_interface():
assert_valid(
"""
fragment objectWithinInterface on Pet { ...dogFragment }
fragment dogFragment on Dog { barkVolume }
"""
)
def object_into_containing_union():
assert_valid(
"""
fragment objectWithinUnion on CatOrDog { ...dogFragment }
fragment dogFragment on Dog { barkVolume }
"""
)
def union_into_contained_object():
assert_valid(
"""
fragment unionWithinObject on Dog { ...catOrDogFragment }
fragment catOrDogFragment on CatOrDog { __typename }
"""
)
def union_into_overlapping_interface():
assert_valid(
"""
fragment unionWithinInterface on Pet { ...catOrDogFragment }
fragment catOrDogFragment on CatOrDog { __typename }
"""
)
def union_into_overlapping_union():
assert_valid(
"""
fragment unionWithinUnion on DogOrHuman { ...catOrDogFragment }
fragment catOrDogFragment on CatOrDog { __typename }
"""
)
def interface_into_implemented_object():
assert_valid(
"""
fragment interfaceWithinObject on Dog { ...petFragment }
fragment petFragment on Pet { name }
"""
)
def interface_into_overlapping_interface():
assert_valid(
"""
fragment interfaceWithinInterface on Pet { ...beingFragment }
fragment beingFragment on Being { name }
"""
)
def interface_into_overlapping_interface_in_inline_fragment():
assert_valid(
"""
fragment interfaceWithinInterface on Pet { ... on Being { name } }
"""
)
def interface_into_overlapping_union():
assert_valid(
"""
fragment interfaceWithinUnion on CatOrDog { ...petFragment }
fragment petFragment on Pet { name }
"""
)
def ignores_incorrect_type_caught_by_fragments_on_composite_types():
assert_valid(
"""
fragment petFragment on Pet { ...badInADifferentWay }
fragment badInADifferentWay on String { name }
"""
)
def ignores_unknown_fragments_caught_by_known_fragment_names():
assert_valid(
"""
fragment petFragment on Pet { ...UnknownFragment }
"""
)
def different_object_into_object():
assert_errors(
"""
fragment invalidObjectWithinObject on Cat { ...dogFragment }
fragment dogFragment on Dog { barkVolume }
""",
[
{
"message": "Fragment 'dogFragment' cannot be spread here"
" as objects of type 'Cat' can never be of type 'Dog'.",
"locations": [(2, 57)],
},
],
)
def different_object_into_object_in_inline_fragment():
assert_errors(
"""
fragment invalidObjectWithinObjectAnon on Cat {
... on Dog { barkVolume }
}
""",
[
{
"message": "Fragment cannot be spread here"
" as objects of type 'Cat' can never be of type 'Dog'.",
"locations": [(3, 15)],
},
],
)
def object_into_not_implementing_interface():
assert_errors(
"""
fragment invalidObjectWithinInterface on Pet { ...humanFragment }
fragment humanFragment on Human { pets { name } }
""",
[
{
"message": "Fragment 'humanFragment' cannot be spread here"
" as objects of type 'Pet' can never be of type 'Human'.",
"locations": [(2, 60)],
},
],
)
def object_into_not_containing_union():
assert_errors(
"""
fragment invalidObjectWithinUnion on CatOrDog { ...humanFragment }
fragment humanFragment on Human { pets { name } }
""",
[
{
"message": "Fragment 'humanFragment' cannot be spread here"
" as objects of type 'CatOrDog' can never be of type 'Human'.",
"locations": [(2, 61)],
},
],
)
def union_into_not_contained_object():
assert_errors(
"""
fragment invalidUnionWithinObject on Human { ...catOrDogFragment }
fragment catOrDogFragment on CatOrDog { __typename }
""",
[
{
"message": "Fragment 'catOrDogFragment' cannot be spread here"
" as objects of type 'Human' can never be of type 'CatOrDog'.",
"locations": [(2, 58)],
},
],
)
def union_into_non_overlapping_interface():
assert_errors(
"""
fragment invalidUnionWithinInterface on Pet { ...humanOrAlienFragment }
fragment humanOrAlienFragment on HumanOrAlien { __typename }
""",
[
{
"message": "Fragment 'humanOrAlienFragment' cannot be spread here"
" as objects of type 'Pet' can never be of type 'HumanOrAlien'.",
"locations": [(2, 59)],
},
],
)
def union_into_non_overlapping_union():
assert_errors(
"""
fragment invalidUnionWithinUnion on CatOrDog { ...humanOrAlienFragment }
fragment humanOrAlienFragment on HumanOrAlien { __typename }
""",
[
{
"message": "Fragment 'humanOrAlienFragment'"
" cannot be spread here as objects of type 'CatOrDog'"
" can never be of type 'HumanOrAlien'.",
"locations": [(2, 60)],
},
],
)
def interface_into_non_implementing_object():
assert_errors(
"""
fragment invalidInterfaceWithinObject on Cat { ...intelligentFragment }
fragment intelligentFragment on Intelligent { iq }
""",
[
{
"message": "Fragment 'intelligentFragment' cannot be spread here"
" as objects of type 'Cat' can never be of type 'Intelligent'.",
"locations": [(2, 60)],
},
],
)
def interface_into_non_overlapping_interface():
assert_errors(
"""
fragment invalidInterfaceWithinInterface on Pet {
...intelligentFragment
}
fragment intelligentFragment on Intelligent { iq }
""",
[
{
"message": "Fragment 'intelligentFragment' cannot be spread here"
" as objects of type 'Pet' can never be of type 'Intelligent'.",
"locations": [(3, 15)],
},
],
)
def interface_into_non_overlapping_interface_in_inline_fragment():
assert_errors(
"""
fragment invalidInterfaceWithinInterfaceAnon on Pet {
...on Intelligent { iq }
}
""",
[
{
"message": "Fragment cannot be spread here as objects"
" of type 'Pet' can never be of type 'Intelligent'.",
"locations": [(3, 15)],
},
],
)
def interface_into_non_overlapping_union():
assert_errors(
"""
fragment invalidInterfaceWithinUnion on HumanOrAlien { ...petFragment }
fragment petFragment on Pet { name }
""",
[
{
"message": "Fragment 'petFragment' cannot be spread here"
" as objects of type 'HumanOrAlien' can never be of type 'Pet'.",
"locations": [(2, 68)],
},
],
)
|
