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# frozen_string_literal: true
require "spec_helper"
describe GraphQL::StaticValidation::FragmentSpreadsArePossible do
include StaticValidationHelpers
let(:query_string) {%|
query getCheese {
cheese(id: 1) {
... milkFields
... cheeseFields
... on Milk { fatContent }
... on AnimalProduct { source }
... on DairyProduct {
... on Cheese { fatContent }
... on Edible { fatContent }
}
}
}
fragment milkFields on Milk { fatContent }
fragment cheeseFields on Cheese {
fatContent
... milkFields
}
|}
it "doesnt allow spreads where they'll never apply" do
# TODO: more negative, abstract examples here, add stuff to the schema
expected = [
{
"message"=>"Fragment on Milk can't be spread inside Cheese",
"locations"=>[{"line"=>6, "column"=>9}],
"path"=>["query getCheese", "cheese", "... on Milk"],
"extensions"=>{"code"=>"cannotSpreadFragment", "typeName"=>"Milk", "fragmentName"=>"unknown", "parentName"=>"Cheese"}
},
{
"message"=>"Fragment milkFields on Milk can't be spread inside Cheese",
"locations"=>[{"line"=>4, "column"=>9}],
"path"=>["query getCheese", "cheese", "... milkFields"],
"extensions"=>{"code"=>"cannotSpreadFragment", "typeName"=>"Milk", "fragmentName"=>" milkFields", "parentName"=>"Cheese"}
},
{
"message"=>"Fragment milkFields on Milk can't be spread inside Cheese",
"locations"=>[{"line"=>18, "column"=>7}],
"path"=>["fragment cheeseFields", "... milkFields"],
"extensions"=>{"code"=>"cannotSpreadFragment", "typeName"=>"Milk", "fragmentName"=>" milkFields", "parentName"=>"Cheese"}
}
]
assert_equal(expected, errors)
end
end
|
