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from copy import deepcopy
from pytest import raises
from graphql.language import FieldNode, NameNode, parse, print_ast
from ..fixtures import kitchen_sink_query # noqa: F401
from ..utils import dedent
def describe_printer_query_document():
def prints_minimal_ast():
ast = FieldNode(name=NameNode(value="foo"))
assert print_ast(ast) == "foo"
def produces_helpful_error_messages():
bad_ast = {"random": "Data"}
with raises(TypeError) as exc_info:
# noinspection PyTypeChecker
print_ast(bad_ast) # type: ignore
assert str(exc_info.value) == "Not an AST Node: {'random': 'Data'}."
corrupt_ast = FieldNode(name="random data")
with raises(TypeError) as exc_info:
print_ast(corrupt_ast)
assert str(exc_info.value) == "Invalid AST Node: 'random data'."
def correctly_prints_query_operation_without_name():
query_ast_shorthanded = parse("query { id, name }")
assert print_ast(query_ast_shorthanded) == "{\n id\n name\n}"
def correctly_prints_mutation_operation_without_name():
mutation_ast = parse("mutation { id, name }")
assert print_ast(mutation_ast) == "mutation {\n id\n name\n}"
def correctly_prints_query_operation_with_artifacts():
query_ast_with_artifacts = parse(
"query ($foo: TestType) @testDirective { id, name }"
)
assert print_ast(query_ast_with_artifacts) == dedent(
"""
query ($foo: TestType) @testDirective {
id
name
}
"""
)
def correctly_prints_mutation_operation_with_artifacts():
mutation_ast_with_artifacts = parse(
"mutation ($foo: TestType) @testDirective { id, name }"
)
assert print_ast(mutation_ast_with_artifacts) == dedent(
"""
mutation ($foo: TestType) @testDirective {
id
name
}
"""
)
def prints_query_with_variable_directives():
query_ast_with_variable_directive = parse(
"query ($foo: TestType = {a: 123}" " @testDirective(if: true) @test) { id }"
)
assert print_ast(query_ast_with_variable_directive) == dedent(
"""
query ($foo: TestType = {a: 123} @testDirective(if: true) @test) {
id
}
"""
)
def keeps_arguments_on_one_line_if_line_has_80_chars_or_less():
printed = print_ast(parse("{trip(wheelchair:false arriveBy:false){dateTime}}"))
assert printed == dedent(
"""
{
trip(wheelchair: false, arriveBy: false) {
dateTime
}
}
"""
)
def puts_arguments_on_multiple_lines_if_line_has_more_than_80_chars():
printed = print_ast(
parse(
"{trip(wheelchair:false arriveBy:false includePlannedCancellations:true"
" transitDistanceReluctance:2000){dateTime}}"
)
)
assert printed == dedent(
"""
{
trip(
wheelchair: false
arriveBy: false
includePlannedCancellations: true
transitDistanceReluctance: 2000
) {
dateTime
}
}
"""
)
def legacy_prints_fragment_with_variable_directives():
query_ast_with_variable_directive = parse(
"fragment Foo($foo: TestType @test) on TestType @testDirective { id }",
allow_legacy_fragment_variables=True,
)
assert print_ast(query_ast_with_variable_directive) == dedent(
"""
fragment Foo($foo: TestType @test) on TestType @testDirective {
id
}
"""
)
def legacy_correctly_prints_fragment_defined_variables():
source = """
fragment Foo($a: ComplexType, $b: Boolean = false) on TestType {
id
}
"""
fragment_with_variable = parse(source, allow_legacy_fragment_variables=True)
assert print_ast(fragment_with_variable) == dedent(source)
def prints_kitchen_sink_without_altering_ast(kitchen_sink_query): # noqa: F811
ast = parse(kitchen_sink_query, no_location=True)
ast_before_print_call = deepcopy(ast)
printed = print_ast(ast)
printed_ast = parse(printed, no_location=True)
assert printed_ast == ast
assert deepcopy(ast) == ast_before_print_call
assert printed == dedent(
r'''
query queryName($foo: ComplexType, $site: Site = MOBILE) @onQuery {
whoever123is: node(id: [123, 456]) {
id
... on User @onInlineFragment {
field2 {
id
alias: field1(first: 10, after: $foo) @include(if: $foo) {
id
...frag @onFragmentSpread
}
}
}
... @skip(unless: $foo) {
id
}
... {
id
}
}
}
mutation likeStory @onMutation {
like(story: 123) @onField {
story {
id @onField
}
}
}
subscription StoryLikeSubscription($input: StoryLikeSubscribeInput @onVariableDefinition) @onSubscription {
storyLikeSubscribe(input: $input) {
story {
likers {
count
}
likeSentence {
text
}
}
}
}
fragment frag on Friend @onFragmentDefinition {
foo(
size: $size
bar: $b
obj: {key: "value", block: """
block string uses \"""
"""}
)
}
{
unnamed(truthy: true, falsy: false, nullish: null)
query
}
{
__typename
}
''' # noqa: E501
)
|
