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Add failing test for directives with input cycles #3472

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Add failing test for directives with input cycles #3472

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26 changes: 26 additions & 0 deletions spec/graphql/schema/build_from_definition_spec.rb
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Original file line number Diff line number Diff line change
Expand Up @@ -122,6 +122,32 @@ def assert_schema_and_compare_output(definition)
assert_schema_and_compare_output(schema.chop)
end

it 'can build a schema with directives whose inputs have a cycle' do
schema = <<-SCHEMA
schema {
query: Hello
}

directive @foo(arg: InputA) on FIELD

input InputA {
value: InputB
}

input InputB {
value: InputA
}
SCHEMA

parsed_schema = GraphQL::Schema.from_definition(schema)
assert_equal ["deprecated", "foo", "include", "skip"], parsed_schema.directives.keys.sort
parsed_schema.directives.values.each do |dir_class|
assert dir_class < GraphQL::Schema::Directive
end

assert_schema_and_compare_output(schema.chop)
end

it 'supports descriptions and definition_line' do
schema = <<-SCHEMA
schema {
Expand Down