GraphQL\Tests\Language\ParserTest::testParseProvidesUsefulErrors PHP Метод

    public function testParseProvidesUsefulErrors()
    {
        $run = function ($num, $str, $expectedMessage, $expectedPositions = null, $expectedLocations = null) {
            try {
                Parser::parse($str);
                $this->fail('Expected exception not thrown in example: ' . $num);
            } catch (SyntaxError $e) {
                $this->assertEquals($expectedMessage, $e->getMessage(), "Test case {$num} failed");
                if ($expectedPositions) {
                    $this->assertEquals($expectedPositions, $e->getPositions());
                }
                if ($expectedLocations) {
                    $this->assertEquals($expectedLocations, $e->getLocations());
                }
            }
        };
        $run(0, '{', "Syntax Error GraphQL (1:2) Expected Name, found <EOF>\n\n1: {\n    ^\n", [1], [new SourceLocation(1, 2)]);
        $run(1, '{ ...MissingOn }
fragment MissingOn Type
', "Syntax Error GraphQL (2:20) Expected \"on\", found Name \"Type\"\n\n1: { ...MissingOn }\n2: fragment MissingOn Type\n                      ^\n3: \n");
        $run(2, '{ field: {} }', "Syntax Error GraphQL (1:10) Expected Name, found {\n\n1: { field: {} }\n            ^\n");
        $run(3, 'notanoperation Foo { field }', "Syntax Error GraphQL (1:1) Unexpected Name \"notanoperation\"\n\n1: notanoperation Foo { field }\n   ^\n");
        $run(4, '...', "Syntax Error GraphQL (1:1) Unexpected ...\n\n1: ...\n   ^\n");
    }