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basic tests #1 
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‎src/graphql_parser_test.erl‎

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-include_lib("eunit/include/eunit.hrl").
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-module(graphql_parser_test).
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-author("mrchex").
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base_query1_test()->
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Q = <<"{ base }">>,
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AST = graphql_parser:parse(Q),
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ExpectedAST = #{<<"definitions">> => [#{<<"directives">> => null,
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<<"kind">> => <<"OperationDefinition">>,
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<<"loc">> => #{<<"end">> => 9,<<"start">> => 1},
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<<"name">> => null,
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<<"operation">> => <<"query">>,
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<<"selectionSet">> => #{<<"kind">> => <<"SelectionSet">>,
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<<"loc">> => #{<<"end">> => 9,<<"start">> => 1},
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<<"selections">> => [#{<<"alias">> => null,
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<<"arguments">> => null,
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<<"directives">> => null,
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<<"kind">> => <<"Field">>,
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<<"loc">> => #{<<"end">> => 7,<<"start">> => 3},
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<<"name">> => #{<<"kind">> => <<"Name">>,
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<<"loc">> => #{<<"end">> => 7,<<"start">> => 3},
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<<"value">> => <<"base">>},
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<<"selectionSet">> => null}]},
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<<"variableDefinitions">> => null}],
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<<"kind">> => <<"Document">>,
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<<"loc">> => #{<<"end">> => 9,<<"start">> => 1}},
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?assertEqual({ok, ExpectedAST}, AST).
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% same AST query1, but loc different
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base_query2_test()->
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Q = <<"query { base }">>,
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AST = graphql_parser:parse(Q),
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ExpectedAST = #{<<"definitions">> => [#{<<"directives">> => null,
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<<"kind">> => <<"OperationDefinition">>,
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<<"loc">> => #{<<"end">> => 15,<<"start">> => 1},
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<<"name">> => null,
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<<"operation">> => <<"query">>,
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<<"selectionSet">> => #{<<"kind">> => <<"SelectionSet">>,
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<<"loc">> => #{<<"end">> => 15,<<"start">> => 7},
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<<"selections">> => [#{<<"alias">> => null,
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<<"arguments">> => null,
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<<"directives">> => null,
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<<"kind">> => <<"Field">>,
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<<"loc">> => #{<<"end">> => 13,<<"start">> => 9},
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<<"name">> => #{<<"kind">> => <<"Name">>,
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<<"loc">> => #{<<"end">> => 13,<<"start">> => 9},
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<<"value">> => <<"base">>},
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<<"selectionSet">> => null}]},
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<<"variableDefinitions">> => null}],
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<<"kind">> => <<"Document">>,
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<<"loc">> => #{<<"end">> => 15,<<"start">> => 1}},
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?assertEqual({ok, ExpectedAST}, AST).
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argument_all_scalars_types_test()->
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Q = <<"{ test(a:1 b: 1.2 c: ENUMVALUE d: \"string value\" d: true e: false ) }">>,
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AST = graphql_parser:parse(Q),
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ExpectedAST = #{<<"definitions">> => [#{<<"directives">> => null,
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<<"kind">> => <<"OperationDefinition">>,
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<<"loc">> => #{<<"end">> => 82,<<"start">> => 1},
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<<"name">> => null,
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<<"operation">> => <<"query">>,
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<<"selectionSet">> => #{<<"kind">> => <<"SelectionSet">>,
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<<"loc">> => #{<<"end">> => 82,<<"start">> => 1},
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<<"selections">> => [#{<<"alias">> => null,
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<<"arguments">> => [#{<<"kind">> => <<"Argument">>,
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<<"loc">> => #{<<"end">> => 11,<<"start">> => 8},
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<<"name">> => #{<<"kind">> => <<"Name">>,
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<<"loc">> => #{<<"end">> => 9,<<"start">> => 8},
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<<"value">> => <<"a">>},
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<<"value">> => #{<<"kind">> => <<"IntValue">>,
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<<"loc">> => #{<<"end">> => 11,<<"start">> => 10},
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<<"value">> => <<"1">>}},
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#{<<"kind">> => <<"Argument">>,
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<<"loc">> => #{<<"end">> => 18,<<"start">> => 12},
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<<"name">> => #{<<"kind">> => <<"Name">>,
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<<"loc">> => #{<<"end">> => 13,<<"start">> => 12},
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<<"value">> => <<"b">>},
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<<"value">> => #{<<"kind">> => <<"FloatValue">>,
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<<"loc">> => #{<<"end">> => 18,<<"start">> => 15},
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<<"value">> => <<"1.2">>}},
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#{<<"kind">> => <<"Argument">>,
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<<"loc">> => #{<<"end">> => 31,<<"start">> => 19},
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<<"name">> => #{<<"kind">> => <<"Name">>,
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<<"loc">> => #{<<"end">> => 20,<<"start">> => 19},
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<<"value">> => <<"c">>},
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<<"value">> => #{<<"kind">> => <<"EnumValue">>,
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<<"loc">> => #{<<"end">> => 31,<<"start">> => 22},
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<<"value">> => <<"ENUMVALUE">>}},
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#{<<"kind">> => <<"Argument">>,
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<<"loc">> => #{<<"end">> => 34,<<"start">> => 32},
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<<"name">> => #{<<"kind">> => <<"Name">>,
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<<"loc">> => #{<<"end">> => 33,<<"start">> => 32},
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<<"value">> => <<"d">>},
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<<"value">> => #{<<"kind">> => <<"StringValue">>,
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<<"loc">> => #{<<"end">> => 34,<<"start">> => 33},
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<<"value">> => <<"string value">>}},
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#{<<"kind">> => <<"Argument">>,
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<<"loc">> => #{<<"end">> => 69,<<"start">> => 62},
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<<"name">> => #{<<"kind">> => <<"Name">>,
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<<"loc">> => #{<<"end">> => 63,<<"start">> => 62},
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<<"value">> => <<"d">>},
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<<"value">> => #{<<"kind">> => <<"BooleanValue">>,
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<<"loc">> => #{<<"end">> => 69,<<"start">> => 65},
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<<"value">> => true}},
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#{<<"kind">> => <<"Argument">>,
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<<"loc">> => #{<<"end">> => 78,<<"start">> => 70},
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<<"name">> => #{<<"kind">> => <<"Name">>,
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<<"loc">> => #{<<"end">> => 71,<<"start">> => 70},
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<<"value">> => <<"e">>},
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<<"value">> => #{<<"kind">> => <<"BooleanValue">>,
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<<"loc">> => #{<<"end">> => 78,<<"start">> => 73},
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<<"value">> => false}}],
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<<"directives">> => null,
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<<"kind">> => <<"Field">>,
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<<"loc">> => #{<<"end">> => 80,<<"start">> => 3},
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<<"name">> => #{<<"kind">> => <<"Name">>,
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<<"loc">> => #{<<"end">> => 7,<<"start">> => 3},
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<<"value">> => <<"test">>},
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<<"selectionSet">> => null}]},
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<<"variableDefinitions">> => null}],
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<<"kind">> => <<"Document">>,
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<<"loc">> => #{<<"end">> => 82,<<"start">> => 1}},
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?assertEqual({ok, ExpectedAST}, AST).
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variable_definition_test() ->
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Q = <<"query($a: NullableType $b: NonNullType! = 1) { foo(z: $a w: $b) }">>,
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AST = graphql_parser:parse(Q),
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ExpectedAST = #{<<"definitions">> => [#{<<"directives">> => null,
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<<"kind">> => <<"OperationDefinition">>,
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<<"loc">> => #{<<"end">> => 66,<<"start">> => 1},
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<<"name">> => null,
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<<"operation">> => <<"query">>,
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<<"selectionSet">> => #{<<"kind">> => <<"SelectionSet">>,
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<<"loc">> => #{<<"end">> => 66,<<"start">> => 46},
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<<"selections">> => [#{<<"alias">> => null,
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<<"arguments">> => [#{<<"kind">> => <<"Argument">>,
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<<"loc">> => #{<<"end">> => 57,<<"start">> => 52},
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<<"name">> => #{<<"kind">> => <<"Name">>,
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<<"loc">> => #{<<"end">> => 53,<<"start">> => 52},
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<<"value">> => <<"z">>},
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<<"value">> => #{<<"kind">> => <<"Variable">>,
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<<"loc">> => #{<<"end">> => 57,<<"start">> => 55},
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<<"name">> => #{<<"kind">> => <<"Name">>,
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<<"loc">> => #{<<"end">> => 57,<<"start">> => 55},
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<<"value">> => <<"a">>}}},
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#{<<"kind">> => <<"Argument">>,
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<<"loc">> => #{<<"end">> => 63,<<"start">> => 58},
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<<"name">> => #{<<"kind">> => <<"Name">>,
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<<"loc">> => #{<<"end">> => 59,<<"start">> => 58},
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<<"value">> => <<"w">>},
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<<"value">> => #{<<"kind">> => <<"Variable">>,
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<<"loc">> => #{<<"end">> => 63,<<"start">> => 61},
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<<"name">> => #{<<"kind">> => <<"Name">>,
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<<"loc">> => #{<<"end">> => 63,<<"start">> => 61},
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<<"value">> => <<"b">>}}}],
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<<"directives">> => null,
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<<"kind">> => <<"Field">>,
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<<"loc">> => #{<<"end">> => 64,<<"start">> => 48},
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<<"name">> => #{<<"kind">> => <<"Name">>,
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<<"loc">> => #{<<"end">> => 51,<<"start">> => 48},
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<<"value">> => <<"foo">>},
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<<"selectionSet">> => null}]},
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<<"variableDefinitions">> => [#{<<"defaultValue">> => null,
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<<"kind">> => <<"VariableDefinition">>,
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<<"loc">> => #{<<"end">> => 23,<<"start">> => 7},
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<<"type">> => #{<<"kind">> => <<"NamedType">>,
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<<"loc">> => #{<<"end">> => 23,<<"start">> => 11},
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<<"name">> => #{<<"kind">> => <<"Name">>,
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<<"loc">> => #{<<"end">> => 23,<<"start">> => 11},
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<<"value">> => <<"NullableType">>}},
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<<"variable">> => #{<<"kind">> => <<"Variable">>,
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<<"loc">> => #{<<"end">> => 9,<<"start">> => 7},
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<<"name">> => #{<<"kind">> => <<"Name">>,
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<<"loc">> => #{<<"end">> => 9,<<"start">> => 7},
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<<"value">> => <<"a">>}}},
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#{<<"defaultValue">> => #{<<"kind">> => <<"IntValue">>,
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<<"loc">> => #{<<"end">> => 44,<<"start">> => 43},
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<<"value">> => <<"1">>},
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<<"kind">> => <<"VariableDefinition">>,
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<<"loc">> => #{<<"end">> => 44,<<"start">> => 24},
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<<"type">> => #{<<"kind">> => <<"NonNullType">>,
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<<"loc">> => #{<<"end">> => 40,<<"start">> => 28},
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<<"type">> => #{<<"kind">> => <<"NamedType">>,
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<<"loc">> => #{<<"end">> => 39,<<"start">> => 28},
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<<"name">> => #{<<"kind">> => <<"Name">>,
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<<"loc">> => #{<<"end">> => 39,<<"start">> => 28},
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<<"value">> => <<"NonNullType">>}}},
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<<"variable">> => #{<<"kind">> => <<"Variable">>,
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<<"loc">> => #{<<"end">> => 26,<<"start">> => 24},
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<<"name">> => #{<<"kind">> => <<"Name">>,
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<<"loc">> => #{<<"end">> => 26,<<"start">> => 24},
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<<"value">> => <<"b">>}}}]}],
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<<"kind">> => <<"Document">>,
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<<"loc">> => #{<<"end">> => 66,<<"start">> => 1}},
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?assertEqual({ok, ExpectedAST}, AST).
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directives_test() ->
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Q = <<"{foo @someDirective(when: false)}">>,
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AST = graphql_parser:parse(Q),
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ExpectedAST = #{<<"definitions">> => [#{<<"directives">> => null,
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<<"kind">> => <<"OperationDefinition">>,
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<<"loc">> => #{<<"end">> => 34,<<"start">> => 1},
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<<"name">> => null,
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<<"operation">> => <<"query">>,
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<<"selectionSet">> => #{<<"kind">> => <<"SelectionSet">>,
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<<"loc">> => #{<<"end">> => 34,<<"start">> => 1},
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<<"selections">> => [#{<<"alias">> => null,
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<<"arguments">> => null,
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<<"directives">> => [#{<<"arguments">> => [#{<<"kind">> => <<"Argument">>,
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<<"loc">> => #{<<"end">> => 32,<<"start">> => 21},
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<<"name">> => #{<<"kind">> => <<"Name">>,
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<<"loc">> => #{<<"end">> => 25,<<"start">> => 21},
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<<"value">> => <<"when">>},
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<<"value">> => #{<<"kind">> => <<"BooleanValue">>,
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<<"loc">> => #{<<"end">> => 32,<<"start">> => 27},
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<<"value">> => false}}],
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<<"kind">> => <<"Directive">>,
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<<"loc">> => #{<<"end">> => 33,<<"start">> => 6},
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<<"name">> => #{<<"kind">> => <<"Name">>,
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<<"loc">> => #{<<"end">> => 20,<<"start">> => 7},
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<<"value">> => <<"someDirective">>}}],
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<<"kind">> => <<"Field">>,
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<<"loc">> => #{<<"end">> => 33,<<"start">> => 2},
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<<"name">> => #{<<"kind">> => <<"Name">>,
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<<"loc">> => #{<<"end">> => 5,<<"start">> => 2},
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<<"value">> => <<"foo">>},
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<<"selectionSet">> => null}]},
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<<"variableDefinitions">> => null}],
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<<"kind">> => <<"Document">>,
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<<"loc">> => #{<<"end">> => 34,<<"start">> => 1}},
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?assertEqual({ok, ExpectedAST}, AST).
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fragments_test()->
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Q = <<"query withFragments {
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user {
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friends { ...friendFields }
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mutualFriends { ...friendFields }
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}
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}
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fragment friendFields on User {
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id
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}">>,
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AST = graphql_parser:parse(Q),
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ExpectedAST = #{<<"definitions">> => [#{<<"directives">> => null,
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<<"kind">> => <<"OperationDefinition">>,
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<<"loc">> => #{<<"end">> => 6,<<"start">> => 1},
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<<"name">> => #{<<"kind">> => <<"Name">>,
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<<"loc">> => #{<<"end">> => 20,<<"start">> => 7},
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<<"value">> => <<"withFragments">>},
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<<"operation">> => <<"query">>,
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<<"selectionSet">> => #{<<"kind">> => <<"SelectionSet">>,
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<<"loc">> => #{<<"end">> => 6,<<"start">> => 21},
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<<"selections">> => [#{<<"alias">> => null,
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<<"arguments">> => null,
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<<"directives">> => null,
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<<"kind">> => <<"Field">>,
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<<"loc">> => #{<<"end">> => 8,<<"start">> => 7},
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<<"name">> => #{<<"kind">> => <<"Name">>,
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<<"loc">> => #{<<"end">> => 11,<<"start">> => 7},
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<<"value">> => <<"user">>},
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<<"selectionSet">> => #{<<"kind">> => <<"SelectionSet">>,
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<<"loc">> => #{<<"end">> => 8,<<"start">> => 12},
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<<"selections">> => [#{<<"alias">> => null,
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<<"arguments">> => null,
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<<"directives">> => null,
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<<"kind">> => <<"Field">>,
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<<"loc">> => #{<<"end">> => 36,<<"start">> => 9},
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<<"name">> => #{<<"kind">> => <<"Name">>,
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<<"loc">> => #{<<"end">> => 16,<<"start">> => 9},
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<<"value">> => <<"friends">>},
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<<"selectionSet">> => #{<<"kind">> => <<"SelectionSet">>,
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<<"loc">> => #{<<"end">> => 36,<<"start">> => 17},
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<<"selections">> => [#{<<"directives">> => null,
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<<"kind">> => <<"FragmentSpread">>,
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<<"loc">> => #{<<"end">> => 34,<<"start">> => 19},
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<<"name">> => #{<<"kind">> => <<"Name">>,
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<<"loc">> => #{<<"end">> => 34,<<"start">> => 22},
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<<"value">> => <<"friendFields">>}}]}},
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#{<<"alias">> => null,
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<<"arguments">> => null,
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<<"directives">> => null,
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<<"kind">> => <<"Field">>,
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<<"loc">> => #{<<"end">> => 42,<<"start">> => 9},
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<<"name">> => #{<<"kind">> => <<"Name">>,
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<<"loc">> => #{<<"end">> => 22,<<"start">> => 9},
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<<"value">> => <<"mutualFriends">>},
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<<"selectionSet">> => #{<<"kind">> => <<"SelectionSet">>,
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<<"loc">> => #{<<"end">> => 42,<<"start">> => 23},
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<<"selections">> => [#{<<"directives">> => null,
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<<"kind">> => <<"FragmentSpread">>,
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<<"loc">> => #{<<"end">> => 40,<<"start">> => 25},
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<<"name">> => #{<<"kind">> => <<"Name">>,
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<<"loc">> => #{<<"end">> => 40,<<"start">> => 28},
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<<"value">> => <<"friendFields">>}}]}}]}}]},
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<<"variableDefinitions">> => null},
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#{<<"directives">> => null,
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<<"kind">> => <<"FragmentDefinition">>,
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<<"loc">> => #{<<"end">> => 6,<<"start">> => 5},
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<<"name">> => #{<<"kind">> => <<"Name">>,
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<<"loc">> => #{<<"end">> => 26,<<"start">> => 14},
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<<"value">> => <<"friendFields">>},
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<<"selectionSet">> => #{<<"kind">> => <<"SelectionSet">>,
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<<"loc">> => #{<<"end">> => 6,<<"start">> => 35},
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<<"selections">> => [#{<<"alias">> => null,
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<<"arguments">> => null,
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<<"directives">> => null,
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<<"kind">> => <<"Field">>,
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<<"loc">> => #{<<"end">> => 9,<<"start">> => 7},
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<<"name">> => #{<<"kind">> => <<"Name">>,
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<<"loc">> => #{<<"end">> => 9,<<"start">> => 7},
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<<"value">> => <<"id">>},
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<<"selectionSet">> => null}]},
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<<"typeCondition">> => #{<<"kind">> => <<"NamedType">>,
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<<"loc">> => #{<<"end">> => 34,<<"start">> => 30},
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<<"name">> => #{<<"kind">> => <<"Name">>,
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<<"loc">> => #{<<"end">> => 34,<<"start">> => 30},
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<<"value">> => <<"User">>}}}],
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<<"kind">> => <<"Document">>,
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<<"loc">> => #{<<"end">> => 6,<<"start">> => 1}},
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?assertEqual({ok, ExpectedAST}, AST).

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