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|
from functools import partial
from graphql.validation import UniqueFragmentNamesRule
from .harness import assert_validation_errors
assert_errors = partial(assert_validation_errors, UniqueFragmentNamesRule)
assert_valid = partial(assert_errors, errors=[])
def describe_validate_unique_fragment_names():
def no_fragments():
assert_valid(
"""
{
field
}
"""
)
def one_fragment():
assert_valid(
"""
{
...fragA
}
fragment fragA on Type {
field
}
"""
)
def many_fragments():
assert_valid(
"""
{
...fragA
...fragB
...fragC
}
fragment fragA on Type {
fieldA
}
fragment fragB on Type {
fieldB
}
fragment fragC on Type {
fieldC
}
"""
)
def inline_fragments_are_always_unique():
assert_valid(
"""
{
...on Type {
fieldA
}
...on Type {
fieldB
}
}
"""
)
def fragment_and_operation_named_the_same():
assert_valid(
"""
query Foo {
...Foo
}
fragment Foo on Type {
field
}
"""
)
def fragments_named_the_same():
assert_errors(
"""
{
...fragA
}
fragment fragA on Type {
fieldA
}
fragment fragA on Type {
fieldB
}
""",
[
{
"message": "There can be only one fragment named 'fragA'.",
"locations": [(5, 22), (8, 22)],
},
],
)
def fragments_named_the_same_without_being_referenced():
assert_errors(
"""
fragment fragA on Type {
fieldA
}
fragment fragA on Type {
fieldB
}
""",
[
{
"message": "There can be only one fragment named 'fragA'.",
"locations": [(2, 22), (5, 22)],
},
],
)
|
