mirror of
https://github.com/retailcrm/graphql-php.git
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556 lines
18 KiB
PHP
556 lines
18 KiB
PHP
<?php
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namespace GraphQL\Tests\Language;
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use GraphQL\Error\InvariantViolation;
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use GraphQL\Language\AST\ArgumentNode;
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use GraphQL\Language\AST\FieldNode;
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use GraphQL\Language\AST\NameNode;
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use GraphQL\Language\AST\Node;
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use GraphQL\Language\AST\NodeKind;
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use GraphQL\Language\AST\SelectionSetNode;
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use GraphQL\Language\AST\StringValueNode;
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use GraphQL\Language\Parser;
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use GraphQL\Language\Source;
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use GraphQL\Language\SourceLocation;
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use GraphQL\Error\SyntaxError;
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use GraphQL\Utils;
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class ParserTest extends \PHPUnit_Framework_TestCase
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{
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/**
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* @it asserts that a source to parse was provided
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*/
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public function testAssertsThatASourceToParseWasProvided()
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{
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try {
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Parser::parse(null);
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$this->fail('Expected exception was not thrown');
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} catch (InvariantViolation $e) {
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$this->assertEquals('GraphQL query body is expected to be string, but got NULL', $e->getMessage());
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}
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try {
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Parser::parse(['a' => 'b']);
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$this->fail('Expected exception was not thrown');
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} catch (InvariantViolation $e) {
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$this->assertEquals('GraphQL query body is expected to be string, but got array', $e->getMessage());
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}
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try {
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Parser::parse(new \stdClass());
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$this->fail('Expected exception was not thrown');
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} catch (InvariantViolation $e) {
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$this->assertEquals('GraphQL query body is expected to be string, but got stdClass', $e->getMessage());
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}
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}
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/**
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* @it parse provides useful errors
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*/
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public function testParseProvidesUsefulErrors()
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{
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$run = function($num, $str, $expectedMessage, $expectedPositions = null, $expectedLocations = null) {
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try {
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Parser::parse($str);
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$this->fail('Expected exception not thrown in example: ' . $num);
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} catch (SyntaxError $e) {
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$this->assertEquals($expectedMessage, $e->getMessage(), "Test case $num failed");
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if ($expectedPositions) {
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$this->assertEquals($expectedPositions, $e->getPositions());
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}
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if ($expectedLocations) {
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$this->assertEquals($expectedLocations, $e->getLocations());
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}
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}
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};
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$run(0, '{', "Syntax Error GraphQL (1:2) Expected Name, found <EOF>\n\n1: {\n ^\n", [1], [new SourceLocation(1,2)]);
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$run(1,
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'{ ...MissingOn }
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fragment MissingOn Type
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',
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"Syntax Error GraphQL (2:20) Expected \"on\", found Name \"Type\"\n\n1: { ...MissingOn }\n2: fragment MissingOn Type\n ^\n3: \n"
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);
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$run(2, '{ field: {} }', "Syntax Error GraphQL (1:10) Expected Name, found {\n\n1: { field: {} }\n ^\n");
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$run(3, 'notanoperation Foo { field }', "Syntax Error GraphQL (1:1) Unexpected Name \"notanoperation\"\n\n1: notanoperation Foo { field }\n ^\n");
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$run(4, '...', "Syntax Error GraphQL (1:1) Unexpected ...\n\n1: ...\n ^\n");
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}
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/**
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* @it parse provides useful error when using source
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*/
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public function testParseProvidesUsefulErrorWhenUsingSource()
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{
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try {
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Parser::parse(new Source('query', 'MyQuery.graphql'));
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$this->fail('Expected exception not thrown');
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} catch (SyntaxError $e) {
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$this->assertEquals("Syntax Error MyQuery.graphql (1:6) Expected {, found <EOF>\n\n1: query\n ^\n", $e->getMessage());
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}
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}
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/**
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* @it parses variable inline values
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*/
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public function testParsesVariableInlineValues()
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{
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// Following line should not throw:
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Parser::parse('{ field(complex: { a: { b: [ $var ] } }) }');
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}
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/**
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* @it parses constant default values
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*/
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public function testParsesConstantDefaultValues()
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{
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try {
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Parser::parse('query Foo($x: Complex = { a: { b: [ $var ] } }) { field }');
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$this->fail('Expected exception not thrown');
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} catch (SyntaxError $e) {
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$this->assertEquals(
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"Syntax Error GraphQL (1:37) Unexpected $\n\n" . '1: query Foo($x: Complex = { a: { b: [ $var ] } }) { field }' . "\n ^\n",
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$e->getMessage()
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);
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}
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}
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/**
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* @it does not accept fragments spread of "on"
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*/
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public function testDoesNotAcceptFragmentsNamedOn()
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{
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$this->setExpectedException('GraphQL\Error\SyntaxError', 'Syntax Error GraphQL (1:10) Unexpected Name "on"');
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Parser::parse('fragment on on on { on }');
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}
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/**
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* @it does not accept fragments spread of "on"
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*/
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public function testDoesNotAcceptFragmentSpreadOfOn()
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{
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$this->setExpectedException('GraphQL\Error\SyntaxError', 'Syntax Error GraphQL (1:9) Expected Name, found }');
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Parser::parse('{ ...on }');
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}
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/**
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* @it parses multi-byte characters
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*/
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public function testParsesMultiByteCharacters()
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{
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// Note: \u0A0A could be naively interpretted as two line-feed chars.
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$char = Utils::chr(0x0A0A);
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$query = <<<HEREDOC
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# This comment has a $char multi-byte character.
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{ field(arg: "Has a $char multi-byte character.") }
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HEREDOC;
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$result = Parser::parse($query, ['noLocation' => true]);
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$expected = new SelectionSetNode([
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'selections' => [
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new FieldNode([
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'name' => new NameNode(['value' => 'field']),
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'arguments' => [
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new ArgumentNode([
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'name' => new NameNode(['value' => 'arg']),
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'value' => new StringValueNode([
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'value' => "Has a $char multi-byte character."
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])
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])
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],
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'directives' => []
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])
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]
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]);
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$this->assertEquals($expected, $result->definitions[0]->selectionSet);
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}
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/**
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* @it parses kitchen sink
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*/
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public function testParsesKitchenSink()
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{
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// Following should not throw:
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$kitchenSink = file_get_contents(__DIR__ . '/kitchen-sink.graphql');
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$result = Parser::parse($kitchenSink);
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$this->assertNotEmpty($result);
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}
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/**
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* allows non-keywords anywhere a Name is allowed
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*/
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public function testAllowsNonKeywordsAnywhereANameIsAllowed()
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{
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$nonKeywords = [
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'on',
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'fragment',
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'query',
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'mutation',
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'subscription',
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'true',
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'false'
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];
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foreach ($nonKeywords as $keyword) {
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$fragmentName = $keyword;
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if ($keyword === 'on') {
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$fragmentName = 'a';
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}
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// Expected not to throw:
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$result = Parser::parse("query $keyword {
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... $fragmentName
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... on $keyword { field }
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}
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fragment $fragmentName on Type {
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$keyword($keyword: \$$keyword) @$keyword($keyword: $keyword)
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}
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");
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$this->assertNotEmpty($result);
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}
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}
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/**
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* @it parses anonymous mutation operations
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*/
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public function testParsessAnonymousMutationOperations()
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{
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// Should not throw:
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Parser::parse('
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mutation {
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mutationField
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}
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');
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}
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/**
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* @it parses anonymous subscription operations
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*/
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public function testParsesAnonymousSubscriptionOperations()
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{
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// Should not throw:
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Parser::parse('
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subscription {
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subscriptionField
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}
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');
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}
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/**
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* @it parses named mutation operations
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*/
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public function testParsesNamedMutationOperations()
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{
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// Should not throw:
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Parser::parse('
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mutation Foo {
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mutationField
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}
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');
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}
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/**
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* @it parses named subscription operations
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*/
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public function testParsesNamedSubscriptionOperations()
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{
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Parser::parse('
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subscription Foo {
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subscriptionField
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}
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');
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}
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/**
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* @it creates ast
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*/
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public function testParseCreatesAst()
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{
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$source = new Source('{
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node(id: 4) {
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id,
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name
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}
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}
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');
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$result = Parser::parse($source);
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$loc = function($start, $end) use ($source) {
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return [
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'start' => $start,
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'end' => $end
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];
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};
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$expected = [
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'kind' => NodeKind::DOCUMENT,
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'loc' => $loc(0, 41),
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'definitions' => [
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[
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'kind' => NodeKind::OPERATION_DEFINITION,
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'loc' => $loc(0, 40),
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'operation' => 'query',
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'name' => null,
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'variableDefinitions' => null,
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'directives' => [],
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'selectionSet' => [
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'kind' => NodeKind::SELECTION_SET,
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'loc' => $loc(0, 40),
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'selections' => [
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[
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'kind' => NodeKind::FIELD,
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'loc' => $loc(4, 38),
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'alias' => null,
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'name' => [
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'kind' => NodeKind::NAME,
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'loc' => $loc(4, 8),
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'value' => 'node'
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],
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'arguments' => [
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[
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'kind' => NodeKind::ARGUMENT,
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'name' => [
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'kind' => NodeKind::NAME,
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'loc' => $loc(9, 11),
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'value' => 'id'
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],
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'value' => [
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'kind' => NodeKind::INT,
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'loc' => $loc(13, 14),
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'value' => '4'
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],
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'loc' => $loc(9, 14, $source)
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]
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],
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'directives' => [],
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'selectionSet' => [
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'kind' => NodeKind::SELECTION_SET,
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'loc' => $loc(16, 38),
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'selections' => [
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[
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'kind' => NodeKind::FIELD,
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'loc' => $loc(22, 24),
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'alias' => null,
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'name' => [
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'kind' => NodeKind::NAME,
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'loc' => $loc(22, 24),
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'value' => 'id'
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],
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'arguments' => [],
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'directives' => [],
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'selectionSet' => null
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],
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[
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'kind' => NodeKind::FIELD,
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'loc' => $loc(30, 34),
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'alias' => null,
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'name' => [
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'kind' => NodeKind::NAME,
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'loc' => $loc(30, 34),
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'value' => 'name'
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],
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'arguments' => [],
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'directives' => [],
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'selectionSet' => null
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]
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]
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]
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]
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]
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]
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]
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]
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];
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$this->assertEquals($expected, $this->nodeToArray($result));
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}
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/**
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* @it allows parsing without source location information
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*/
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public function testAllowsParsingWithoutSourceLocationInformation()
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{
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$source = new Source('{ id }');
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$result = Parser::parse($source, ['noLocation' => true]);
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$this->assertEquals(null, $result->loc);
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}
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/**
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* @it contains location information that only stringifys start/end
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*/
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public function testConvertToArray()
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{
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$source = new Source('{ id }');
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$result = Parser::parse($source);
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$this->assertEquals(['start' => 0, 'end' => '6'], TestUtils::locationToArray($result->loc));
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}
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/**
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* @it contains references to source
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*/
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public function testContainsReferencesToSource()
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{
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$source = new Source('{ id }');
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$result = Parser::parse($source);
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$this->assertEquals($source, $result->loc->source);
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}
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/**
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* @it contains references to start and end tokens
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*/
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public function testContainsReferencesToStartAndEndTokens()
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{
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$source = new Source('{ id }');
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$result = Parser::parse($source);
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$this->assertEquals('<SOF>', $result->loc->startToken->kind);
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$this->assertEquals('<EOF>', $result->loc->endToken->kind);
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}
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// Describe: parseValue
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/**
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* @it parses null value
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*/
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public function testParsesNullValues()
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{
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$this->assertEquals([
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'kind' => NodeKind::NULL,
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'loc' => ['start' => 0, 'end' => 4]
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], $this->nodeToArray(Parser::parseValue('null')));
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}
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/**
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* @it parses list values
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*/
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public function testParsesListValues()
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{
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$this->assertEquals([
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'kind' => NodeKind::LST,
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'loc' => ['start' => 0, 'end' => 11],
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'values' => [
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[
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'kind' => NodeKind::INT,
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'loc' => ['start' => 1, 'end' => 4],
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'value' => '123'
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],
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[
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'kind' => NodeKind::STRING,
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'loc' => ['start' => 5, 'end' => 10],
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'value' => 'abc'
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]
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]
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], $this->nodeToArray(Parser::parseValue('[123 "abc"]')));
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}
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// Describe: parseType
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/**
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* @it parses well known types
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*/
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public function testParsesWellKnownTypes()
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{
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$this->assertEquals([
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'kind' => NodeKind::NAMED_TYPE,
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'loc' => ['start' => 0, 'end' => 6],
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'name' => [
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'kind' => NodeKind::NAME,
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'loc' => ['start' => 0, 'end' => 6],
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'value' => 'String'
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]
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], $this->nodeToArray(Parser::parseType('String')));
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}
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/**
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* @it parses custom types
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*/
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public function testParsesCustomTypes()
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{
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$this->assertEquals([
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'kind' => NodeKind::NAMED_TYPE,
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'loc' => ['start' => 0, 'end' => 6],
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'name' => [
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'kind' => NodeKind::NAME,
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'loc' => ['start' => 0, 'end' => 6],
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'value' => 'MyType'
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]
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], $this->nodeToArray(Parser::parseType('MyType')));
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}
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/**
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* @it parses list types
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*/
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public function testParsesListTypes()
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{
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$this->assertEquals([
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'kind' => NodeKind::LIST_TYPE,
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'loc' => ['start' => 0, 'end' => 8],
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'type' => [
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'kind' => NodeKind::NAMED_TYPE,
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'loc' => ['start' => 1, 'end' => 7],
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'name' => [
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'kind' => NodeKind::NAME,
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'loc' => ['start' => 1, 'end' => 7],
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'value' => 'MyType'
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]
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]
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], $this->nodeToArray(Parser::parseType('[MyType]')));
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}
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/**
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* @it parses non-null types
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*/
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public function testParsesNonNullTypes()
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{
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$this->assertEquals([
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'kind' => NodeKind::NON_NULL_TYPE,
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'loc' => ['start' => 0, 'end' => 7],
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'type' => [
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'kind' => NodeKind::NAMED_TYPE,
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'loc' => ['start' => 0, 'end' => 6],
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'name' => [
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'kind' => NodeKind::NAME,
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'loc' => ['start' => 0, 'end' => 6],
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'value' => 'MyType'
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]
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]
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], $this->nodeToArray(Parser::parseType('MyType!')));
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}
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/**
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* @it parses nested types
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*/
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public function testParsesNestedTypes()
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{
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$this->assertEquals([
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'kind' => NodeKind::LIST_TYPE,
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'loc' => ['start' => 0, 'end' => 9],
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'type' => [
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'kind' => NodeKind::NON_NULL_TYPE,
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'loc' => ['start' => 1, 'end' => 8],
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'type' => [
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'kind' => NodeKind::NAMED_TYPE,
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'loc' => ['start' => 1, 'end' => 7],
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'name' => [
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'kind' => NodeKind::NAME,
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'loc' => ['start' => 1, 'end' => 7],
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'value' => 'MyType'
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]
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]
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]
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], $this->nodeToArray(Parser::parseType('[MyType!]')));
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}
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/**
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* @param Node $node
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* @return array
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*/
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public static function nodeToArray(Node $node)
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{
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return TestUtils::nodeToArray($node);
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}
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}
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