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test_no_undefined_variables.py
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from functools import partial
from graphql.validation import NoUndefinedVariablesRule
from .harness import assert_validation_errors
assert_errors = partial(assert_validation_errors, NoUndefinedVariablesRule)
assert_valid = partial(assert_errors, errors=[])
def describe_validate_no_undefined_variables():
def all_variables_defined():
assert_valid(
"""
query Foo($a: String, $b: String, $c: String) {
field(a: $a, b: $b, c: $c)
}
"""
)
def all_variables_deeply_defined():
assert_valid(
"""
query Foo($a: String, $b: String, $c: String) {
field(a: $a) {
field(b: $b) {
field(c: $c)
}
}
}
"""
)
def all_variables_deeply_in_inline_fragments_defined():
assert_valid(
"""
query Foo($a: String, $b: String, $c: String) {
... on Type {
field(a: $a) {
field(b: $b) {
... on Type {
field(c: $c)
}
}
}
}
}
"""
)
def all_variables_in_fragments_deeply_defined():
assert_valid(
"""
query Foo($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: $c)
}
"""
)
def variable_within_single_fragment_defined_in_multiple_operations():
assert_valid(
"""
query Foo($a: String) {
...FragA
}
query Bar($a: String) {
...FragA
}
fragment FragA on Type {
field(a: $a)
}
"""
)
def variable_within_fragments_defined_in_operations():
assert_valid(
"""
query Foo($a: String) {
...FragA
}
query Bar($b: String) {
...FragB
}
fragment FragA on Type {
field(a: $a)
}
fragment FragB on Type {
field(b: $b)
}
"""
)
def variable_within_recursive_fragment_defined():
assert_valid(
"""
query Foo($a: String) {
...FragA
}
fragment FragA on Type {
field(a: $a) {
...FragA
}
}
"""
)
def variable_not_defined():
assert_errors(
"""
query Foo($a: String, $b: String, $c: String) {
field(a: $a, b: $b, c: $c, d: $d)
}
""",
[
{
"message": "Variable '$d' is not defined by operation 'Foo'.",
"locations": [(3, 45), (2, 13)],
},
],
)
def variable_not_defined_by_unnamed_query():
assert_errors(
"""
{
field(a: $a)
}
""",
[
{
"message": "Variable '$a' is not defined.",
"locations": [(3, 24), (2, 13)],
},
],
)
def multiple_variables_not_defined():
assert_errors(
"""
query Foo($b: String) {
field(a: $a, b: $b, c: $c)
}
""",
[
{
"message": "Variable '$a' is not defined by operation 'Foo'.",
"locations": [(3, 24), (2, 13)],
},
{
"message": "Variable '$c' is not defined by operation 'Foo'.",
"locations": [(3, 38), (2, 13)],
},
],
)
def variable_in_fragment_not_defined_by_unnamed_query():
assert_errors(
"""
{
...FragA
}
fragment FragA on Type {
field(a: $a)
}
""",
[
{
"message": "Variable '$a' is not defined.",
"locations": [(6, 24), (2, 13)],
},
],
)
def variable_in_fragment_not_defined_by_operation():
assert_errors(
"""
query Foo($a: String, $b: String) {
...FragA
}
fragment FragA on Type {
field(a: $a) {
...FragB
}
}
fragment FragB on Type {
field(b: $b) {
...FragC
}
}
fragment FragC on Type {
field(c: $c)
}
""",
[
{
"message": "Variable '$c' is not defined by operation 'Foo'.",
"locations": [(16, 24), (2, 13)],
},
],
)
def multiple_variables_in_fragments_not_defined():
assert_errors(
"""
query Foo($b: String) {
...FragA
}
fragment FragA on Type {
field(a: $a) {
...FragB
}
}
fragment FragB on Type {
field(b: $b) {
...FragC
}
}
fragment FragC on Type {
field(c: $c)
}
""",
[
{
"message": "Variable '$a' is not defined by operation 'Foo'.",
"locations": [(6, 24), (2, 13)],
},
{
"message": "Variable '$c' is not defined by operation 'Foo'.",
"locations": [(16, 24), (2, 13)],
},
],
)
def single_variable_in_fragment_not_defined_by_multiple_operations():
assert_errors(
"""
query Foo($a: String) {
...FragAB
}
query Bar($a: String) {
...FragAB
}
fragment FragAB on Type {
field(a: $a, b: $b)
}
""",
[
{
"message": "Variable '$b' is not defined by operation 'Foo'.",
"locations": [(9, 31), (2, 13)],
},
{
"message": "Variable '$b' is not defined by operation 'Bar'.",
"locations": [(9, 31), (5, 13)],
},
],
)
def variables_in_fragment_not_defined_by_multiple_operations():
assert_errors(
"""
query Foo($b: String) {
...FragAB
}
query Bar($a: String) {
...FragAB
}
fragment FragAB on Type {
field(a: $a, b: $b)
}
""",
[
{
"message": "Variable '$a' is not defined by operation 'Foo'.",
"locations": [(9, 24), (2, 13)],
},
{
"message": "Variable '$b' is not defined by operation 'Bar'.",
"locations": [(9, 31), (5, 13)],
},
],
)
def variable_in_fragment_used_by_other_operation():
assert_errors(
"""
query Foo($b: String) {
...FragA
}
query Bar($a: String) {
...FragB
}
fragment FragA on Type {
field(a: $a)
}
fragment FragB on Type {
field(b: $b)
}
""",
[
{
"message": "Variable '$a' is not defined by operation 'Foo'.",
"locations": [(9, 24), (2, 13)],
},
{
"message": "Variable '$b' is not defined by operation 'Bar'.",
"locations": [(12, 24), (5, 13)],
},
],
)
def multiple_undefined_variables_produce_multiple_errors():
assert_errors(
"""
query Foo($b: String) {
...FragAB
}
query Bar($a: String) {
...FragAB
}
fragment FragAB on Type {
field1(a: $a, b: $b)
...FragC
field3(a: $a, b: $b)
}
fragment FragC on Type {
field2(c: $c)
}
""",
[
{
"message": "Variable '$a' is not defined by operation 'Foo'.",
"locations": [(9, 25), (2, 13)],
},
{
"message": "Variable '$a' is not defined by operation 'Foo'.",
"locations": [(11, 25), (2, 13)],
},
{
"message": "Variable '$c' is not defined by operation 'Foo'.",
"locations": [(14, 25), (2, 13)],
},
{
"message": "Variable '$b' is not defined by operation 'Bar'.",
"locations": [(9, 32), (5, 13)],
},
{
"message": "Variable '$b' is not defined by operation 'Bar'.",
"locations": [(11, 32), (5, 13)],
},
{
"message": "Variable '$c' is not defined by operation 'Bar'.",
"locations": [(14, 25), (5, 13)],
},
],
)