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|
from functools import partial
from graphql.validation import NoUnusedVariablesRule
from .harness import assert_validation_errors
assert_errors = partial(assert_validation_errors, NoUnusedVariablesRule)
assert_valid = partial(assert_errors, errors=[])
def describe_validate_no_unused_variables():
def uses_all_variables():
assert_valid(
"""
query ($a: String, $b: String, $c: String) {
field(a: $a, b: $b, c: $c)
}
"""
)
def uses_all_variables_deeply():
assert_valid(
"""
query Foo($a: String, $b: String, $c: String) {
field(a: $a) {
field(b: $b) {
field(c: $c)
}
}
}
"""
)
def uses_all_variables_deeply_in_inline_fragments():
assert_valid(
"""
query Foo($a: String, $b: String, $c: String) {
... on Type {
field(a: $a) {
field(b: $b) {
... on Type {
field(c: $c)
}
}
}
}
}
"""
)
def uses_all_variables_in_fragment():
assert_valid(
"""
query Foo($a: String, $b: String, $c: String) {
...FragA
}
fragment FragA on Type {
field(a: $a) {
...FragB
}
}
fragment FragB on Type {
field(b: $b) {
...FragC
}
}
fragment FragC on Type {
field(c: $c)
}
"""
)
def variable_used_by_fragment_in_multiple_operations():
assert_valid(
"""
query Foo($a: String) {
...FragA
}
query Bar($b: String) {
...FragB
}
fragment FragA on Type {
field(a: $a)
}
fragment FragB on Type {
field(b: $b)
}
"""
)
def variable_used_by_recursive_fragment():
assert_valid(
"""
query Foo($a: String) {
...FragA
}
fragment FragA on Type {
field(a: $a) {
...FragA
}
}
"""
)
def variable_not_used():
assert_errors(
"""
query ($a: String, $b: String, $c: String) {
field(a: $a, b: $b)
}
""",
[{"message": "Variable '$c' is never used.", "locations": [(2, 44)]}],
)
def multiple_variables_not_used():
assert_errors(
"""
query Foo($a: String, $b: String, $c: String) {
field(b: $b)
}
""",
[
{
"message": "Variable '$a' is never used in operation 'Foo'.",
"locations": [(2, 23)],
},
{
"message": "Variable '$c' is never used in operation 'Foo'.",
"locations": [(2, 47)],
},
],
)
def variable_not_used_in_fragments():
assert_errors(
"""
query Foo($a: String, $b: String, $c: String) {
...FragA
}
fragment FragA on Type {
field(a: $a) {
...FragB
}
}
fragment FragB on Type {
field(b: $b) {
...FragC
}
}
fragment FragC on Type {
field
}
""",
[
{
"message": "Variable '$c' is never used in operation 'Foo'.",
"locations": [(2, 47)],
},
],
)
def multiple_variables_not_used_in_fragments():
assert_errors(
"""
query Foo($a: String, $b: String, $c: String) {
...FragA
}
fragment FragA on Type {
field {
...FragB
}
}
fragment FragB on Type {
field(b: $b) {
...FragC
}
}
fragment FragC on Type {
field
}
""",
[
{
"message": "Variable '$a' is never used in operation 'Foo'.",
"locations": [(2, 23)],
},
{
"message": "Variable '$c' is never used in operation 'Foo'.",
"locations": [(2, 47)],
},
],
)
def variable_not_used_by_unreferenced_fragment():
assert_errors(
"""
query Foo($b: String) {
...FragA
}
fragment FragA on Type {
field(a: $a)
}
fragment FragB on Type {
field(b: $b)
}
""",
[
{
"message": "Variable '$b' is never used in operation 'Foo'.",
"locations": [(2, 23)],
},
],
)
def variable_not_used_by_fragment_used_by_other_operation():
assert_errors(
"""
query Foo($b: String) {
...FragA
}
query Bar($a: String) {
...FragB
}
fragment FragA on Type {
field(a: $a)
}
fragment FragB on Type {
field(b: $b)
}
""",
[
{
"message": "Variable '$b' is never used in operation 'Foo'.",
"locations": [(2, 23)],
},
{
"message": "Variable '$a' is never used in operation 'Bar'.",
"locations": [(5, 23)],
},
],
)
|
