mirror of
https://github.com/retailcrm/graphql-php.git
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497 lines
17 KiB
PHP
497 lines
17 KiB
PHP
<?php
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namespace GraphQL\Tests\Language;
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use GraphQL\Language\Lexer;
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use GraphQL\Language\Source;
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use GraphQL\Language\SourceLocation;
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use GraphQL\Language\Token;
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use GraphQL\Error\SyntaxError;
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use GraphQL\Utils\Utils;
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class LexerTest extends \PHPUnit_Framework_TestCase
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{
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/**
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* @it disallows uncommon control characters
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*/
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public function testDissallowsUncommonControlCharacters()
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{
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$char = Utils::chr(0x0007);
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$this->setExpectedExceptionRegExp(SyntaxError::class, '/' . preg_quote('Syntax Error GraphQL (1:1) Cannot contain the invalid character "\u0007"', '/') . '/');
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$this->lexOne($char);
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}
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/**
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* @it accepts BOM header
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*/
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public function testAcceptsBomHeader()
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{
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$bom = Utils::chr(0xFEFF);
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$expected = [
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'kind' => Token::NAME,
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'start' => 2,
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'end' => 5,
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'value' => 'foo'
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];
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$this->assertArraySubset($expected, (array) $this->lexOne($bom . ' foo'));
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}
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/**
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* @it records line and column
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*/
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public function testRecordsLineAndColumn()
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{
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$expected = [
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'kind' => Token::NAME,
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'start' => 8,
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'end' => 11,
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'line' => 4,
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'column' => 3,
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'value' => 'foo'
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];
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$this->assertArraySubset($expected, (array) $this->lexOne("\n \r\n \r foo\n"));
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}
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/**
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* @it skips whitespace and comments
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*/
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public function testSkipsWhitespacesAndComments()
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{
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$example1 = '
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foo
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';
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$expected = [
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'kind' => Token::NAME,
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'start' => 6,
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'end' => 9,
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'value' => 'foo'
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];
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$this->assertArraySubset($expected, (array) $this->lexOne($example1));
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$example2 = '
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#comment
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foo#comment
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';
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$expected = [
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'kind' => Token::NAME,
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'start' => 18,
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'end' => 21,
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'value' => 'foo'
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];
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$this->assertArraySubset($expected, (array) $this->lexOne($example2));
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$expected = [
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'kind' => Token::NAME,
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'start' => 3,
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'end' => 6,
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'value' => 'foo'
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];
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$example3 = ',,,foo,,,';
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$this->assertArraySubset($expected, (array) $this->lexOne($example3));
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}
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/**
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* @it errors respect whitespace
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*/
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public function testErrorsRespectWhitespace()
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{
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$str = '' .
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"\n" .
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"\n" .
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" ?\n" .
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"\n";
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$this->setExpectedException(SyntaxError::class,
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'Syntax Error GraphQL (3:5) Cannot parse the unexpected character "?".' . "\n" .
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"\n" .
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"2: \n" .
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"3: ?\n" .
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" ^\n" .
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"4: \n");
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$this->lexOne($str);
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}
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/**
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* @it updates line numbers in error for file context
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*/
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public function testUpdatesLineNumbersInErrorForFileContext()
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{
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$str = '' .
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"\n" .
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"\n" .
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" ?\n" .
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"\n";
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$source = new Source($str, 'foo.js', new SourceLocation(11, 12));
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$this->setExpectedException(
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SyntaxError::class,
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'Syntax Error foo.js (13:6) ' .
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'Cannot parse the unexpected character "?".' . "\n" .
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"\n" .
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'12: ' . "\n" .
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'13: ?' . "\n" .
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' ^' . "\n" .
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'14: ' . "\n"
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);
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$lexer = new Lexer($source);
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$lexer->advance();
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}
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public function testUpdatesColumnNumbersInErrorForFileContext()
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{
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$source = new Source('?', 'foo.js', new SourceLocation(1, 5));
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$this->setExpectedException(
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SyntaxError::class,
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'Syntax Error foo.js (1:5) ' .
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'Cannot parse the unexpected character "?".' . "\n" .
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"\n" .
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'1: ?' . "\n" .
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' ^' . "\n"
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);
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$lexer = new Lexer($source);
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$lexer->advance();
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}
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/**
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* @it lexes strings
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*/
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public function testLexesStrings()
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{
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$this->assertArraySubset([
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'kind' => Token::STRING,
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'start' => 0,
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'end' => 8,
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'value' => 'simple'
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], (array) $this->lexOne('"simple"'));
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$this->assertArraySubset([
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'kind' => Token::STRING,
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'start' => 0,
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'end' => 15,
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'value' => ' white space '
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], (array) $this->lexOne('" white space "'));
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$this->assertArraySubset([
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'kind' => Token::STRING,
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'start' => 0,
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'end' => 10,
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'value' => 'quote "'
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], (array) $this->lexOne('"quote \\""'));
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$this->assertArraySubset([
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'kind' => Token::STRING,
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'start' => 0,
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'end' => 25,
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'value' => 'escaped \n\r\b\t\f'
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], (array) $this->lexOne('"escaped \\\\n\\\\r\\\\b\\\\t\\\\f"'));
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$this->assertArraySubset([
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'kind' => Token::STRING,
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'start' => 0,
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'end' => 16,
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'value' => 'slashes \\ \/'
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], (array) $this->lexOne('"slashes \\\\ \\\\/"'));
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$this->assertArraySubset([
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'kind' => Token::STRING,
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'start' => 0,
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'end' => 13,
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'value' => 'unicode яуц'
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], (array) $this->lexOne('"unicode яуц"'));
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$unicode = json_decode('"\u1234\u5678\u90AB\uCDEF"');
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$this->assertArraySubset([
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'kind' => Token::STRING,
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'start' => 0,
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'end' => 34,
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'value' => 'unicode ' . $unicode
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], (array) $this->lexOne('"unicode \u1234\u5678\u90AB\uCDEF"'));
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$this->assertArraySubset([
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'kind' => Token::STRING,
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'start' => 0,
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'end' => 26,
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'value' => $unicode
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], (array) $this->lexOne('"\u1234\u5678\u90AB\uCDEF"'));
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}
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public function reportsUsefulErrors() {
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return [
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['"', "Syntax Error GraphQL (1:2) Unterminated string.\n\n1: \"\n ^\n"],
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['"no end quote', "Syntax Error GraphQL (1:14) Unterminated string.\n\n1: \"no end quote\n ^\n"],
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["'single quotes'", "Syntax Error GraphQL (1:1) Unexpected single quote character ('), did you mean to use a double quote (\")?\n\n1: 'single quotes'\n ^\n"],
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['"contains unescaped \u0007 control char"', "Syntax Error GraphQL (1:21) Invalid character within String: \"\\u0007\"\n\n1: \"contains unescaped \\u0007 control char\"\n ^\n"],
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['"null-byte is not \u0000 end of file"', 'Syntax Error GraphQL (1:19) Invalid character within String: "\\u0000"' . "\n\n1: \"null-byte is not \\u0000 end of file\"\n ^\n"],
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['"multi' . "\n" . 'line"', "Syntax Error GraphQL (1:7) Unterminated string.\n\n1: \"multi\n ^\n2: line\"\n"],
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['"multi' . "\r" . 'line"', "Syntax Error GraphQL (1:7) Unterminated string.\n\n1: \"multi\n ^\n2: line\"\n"],
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['"bad \\z esc"', "Syntax Error GraphQL (1:7) Invalid character escape sequence: \\z\n\n1: \"bad \\z esc\"\n ^\n"],
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['"bad \\x esc"', "Syntax Error GraphQL (1:7) Invalid character escape sequence: \\x\n\n1: \"bad \\x esc\"\n ^\n"],
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['"bad \\u1 esc"', "Syntax Error GraphQL (1:7) Invalid character escape sequence: \\u1 es\n\n1: \"bad \\u1 esc\"\n ^\n"],
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['"bad \\u0XX1 esc"', "Syntax Error GraphQL (1:7) Invalid character escape sequence: \\u0XX1\n\n1: \"bad \\u0XX1 esc\"\n ^\n"],
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['"bad \\uXXXX esc"', "Syntax Error GraphQL (1:7) Invalid character escape sequence: \\uXXXX\n\n1: \"bad \\uXXXX esc\"\n ^\n"],
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['"bad \\uFXXX esc"', "Syntax Error GraphQL (1:7) Invalid character escape sequence: \\uFXXX\n\n1: \"bad \\uFXXX esc\"\n ^\n"],
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['"bad \\uXXXF esc"', "Syntax Error GraphQL (1:7) Invalid character escape sequence: \\uXXXF\n\n1: \"bad \\uXXXF esc\"\n ^\n"],
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];
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}
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/**
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* @dataProvider reportsUsefulErrors
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* @it lex reports useful string errors
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*/
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public function testReportsUsefulErrors($str, $expectedMessage)
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{
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$this->setExpectedException(SyntaxError::class, $expectedMessage);
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$this->lexOne($str);
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}
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/**
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* @it lexes numbers
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*/
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public function testLexesNumbers()
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{
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$this->assertArraySubset(
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['kind' => Token::INT, 'start' => 0, 'end' => 1, 'value' => '4'],
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(array) $this->lexOne('4')
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);
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$this->assertArraySubset(
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['kind' => Token::FLOAT, 'start' => 0, 'end' => 5, 'value' => '4.123'],
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(array) $this->lexOne('4.123')
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);
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$this->assertArraySubset(
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['kind' => Token::INT, 'start' => 0, 'end' => 2, 'value' => '-4'],
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(array) $this->lexOne('-4')
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);
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$this->assertArraySubset(
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['kind' => Token::INT, 'start' => 0, 'end' => 1, 'value' => '9'],
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(array) $this->lexOne('9')
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);
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$this->assertArraySubset(
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['kind' => Token::INT, 'start' => 0, 'end' => 1, 'value' => '0'],
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(array) $this->lexOne('0')
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);
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$this->assertArraySubset(
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['kind' => Token::FLOAT, 'start' => 0, 'end' => 6, 'value' => '-4.123'],
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(array) $this->lexOne('-4.123')
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);
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$this->assertArraySubset(
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['kind' => Token::FLOAT, 'start' => 0, 'end' => 5, 'value' => '0.123'],
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(array) $this->lexOne('0.123')
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);
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$this->assertArraySubset(
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['kind' => Token::FLOAT, 'start' => 0, 'end' => 5, 'value' => '123e4'],
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(array) $this->lexOne('123e4')
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);
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$this->assertArraySubset(
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['kind' => Token::FLOAT, 'start' => 0, 'end' => 5, 'value' => '123E4'],
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(array) $this->lexOne('123E4')
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);
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$this->assertArraySubset(
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['kind' => Token::FLOAT, 'start' => 0, 'end' => 6, 'value' => '123e-4'],
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(array) $this->lexOne('123e-4')
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);
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$this->assertArraySubset(
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['kind' => Token::FLOAT, 'start' => 0, 'end' => 6, 'value' => '123e+4'],
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(array) $this->lexOne('123e+4')
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);
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$this->assertArraySubset(
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['kind' => Token::FLOAT, 'start' => 0, 'end' => 8, 'value' => '-1.123e4'],
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(array) $this->lexOne('-1.123e4')
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);
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$this->assertArraySubset(
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['kind' => Token::FLOAT, 'start' => 0, 'end' => 8, 'value' => '-1.123E4'],
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(array) $this->lexOne('-1.123E4')
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);
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$this->assertArraySubset(
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['kind' => Token::FLOAT, 'start' => 0, 'end' => 9, 'value' => '-1.123e-4'],
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(array) $this->lexOne('-1.123e-4')
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);
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$this->assertArraySubset(
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['kind' => Token::FLOAT, 'start' => 0, 'end' => 9, 'value' => '-1.123e+4'],
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(array) $this->lexOne('-1.123e+4')
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);
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$this->assertArraySubset(
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['kind' => Token::FLOAT, 'start' => 0, 'end' => 11, 'value' => '-1.123e4567'],
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(array) $this->lexOne('-1.123e4567')
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);
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}
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public function reportsUsefulNumberErrors()
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{
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return [
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[ '00', "Syntax Error GraphQL (1:2) Invalid number, unexpected digit after 0: \"0\"\n\n1: 00\n ^\n"],
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[ '+1', "Syntax Error GraphQL (1:1) Cannot parse the unexpected character \"+\".\n\n1: +1\n ^\n"],
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[ '1.', "Syntax Error GraphQL (1:3) Invalid number, expected digit but got: <EOF>\n\n1: 1.\n ^\n"],
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[ '.123', "Syntax Error GraphQL (1:1) Cannot parse the unexpected character \".\".\n\n1: .123\n ^\n"],
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[ '1.A', "Syntax Error GraphQL (1:3) Invalid number, expected digit but got: \"A\"\n\n1: 1.A\n ^\n"],
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[ '-A', "Syntax Error GraphQL (1:2) Invalid number, expected digit but got: \"A\"\n\n1: -A\n ^\n"],
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[ '1.0e', "Syntax Error GraphQL (1:5) Invalid number, expected digit but got: <EOF>\n\n1: 1.0e\n ^\n"],
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[ '1.0eA', "Syntax Error GraphQL (1:5) Invalid number, expected digit but got: \"A\"\n\n1: 1.0eA\n ^\n"],
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];
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}
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/**
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* @dataProvider reportsUsefulNumberErrors
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* @it lex reports useful number errors
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*/
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public function testReportsUsefulNumberErrors($str, $expectedMessage)
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{
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$this->setExpectedException(SyntaxError::class, $expectedMessage);
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$this->lexOne($str);
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}
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/**
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* @it lexes punctuation
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*/
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public function testLexesPunctuation()
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{
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$this->assertArraySubset(
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['kind' => Token::BANG, 'start' => 0, 'end' => 1, 'value' => null],
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(array) $this->lexOne('!')
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);
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$this->assertArraySubset(
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['kind' => Token::DOLLAR, 'start' => 0, 'end' => 1, 'value' => null],
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(array) $this->lexOne('$')
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);
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$this->assertArraySubset(
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['kind' => Token::PAREN_L, 'start' => 0, 'end' => 1, 'value' => null],
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(array) $this->lexOne('(')
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);
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$this->assertArraySubset(
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['kind' => Token::PAREN_R, 'start' => 0, 'end' => 1, 'value' => null],
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(array) $this->lexOne(')')
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);
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$this->assertArraySubset(
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['kind' => Token::SPREAD, 'start' => 0, 'end' => 3, 'value' => null],
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(array) $this->lexOne('...')
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);
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$this->assertArraySubset(
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['kind' => Token::COLON, 'start' => 0, 'end' => 1, 'value' => null],
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(array) $this->lexOne(':')
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);
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$this->assertArraySubset(
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['kind' => Token::EQUALS, 'start' => 0, 'end' => 1, 'value' => null],
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(array) $this->lexOne('=')
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);
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$this->assertArraySubset(
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['kind' => Token::AT, 'start' => 0, 'end' => 1, 'value' => null],
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(array) $this->lexOne('@')
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);
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$this->assertArraySubset(
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['kind' => Token::BRACKET_L, 'start' => 0, 'end' => 1, 'value' => null],
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(array) $this->lexOne('[')
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);
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$this->assertArraySubset(
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['kind' => Token::BRACKET_R, 'start' => 0, 'end' => 1, 'value' => null],
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(array) $this->lexOne(']')
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);
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$this->assertArraySubset(
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['kind' => Token::BRACE_L, 'start' => 0, 'end' => 1, 'value' => null],
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(array) $this->lexOne('{')
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);
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$this->assertArraySubset(
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['kind' => Token::PIPE, 'start' => 0, 'end' => 1, 'value' => null],
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(array) $this->lexOne('|')
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);
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$this->assertArraySubset(
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['kind' => Token::BRACE_R, 'start' => 0, 'end' => 1, 'value' => null],
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(array) $this->lexOne('}')
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);
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}
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public function reportsUsefulUnknownCharErrors()
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{
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$unicode1 = json_decode('"\u203B"');
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$unicode2 = json_decode('"\u200b"');
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return [
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['..', "Syntax Error GraphQL (1:1) Cannot parse the unexpected character \".\".\n\n1: ..\n ^\n"],
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['?', "Syntax Error GraphQL (1:1) Cannot parse the unexpected character \"?\".\n\n1: ?\n ^\n"],
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[$unicode1, "Syntax Error GraphQL (1:1) Cannot parse the unexpected character \"\\u203b\".\n\n1: $unicode1\n ^\n"],
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[$unicode2, "Syntax Error GraphQL (1:1) Cannot parse the unexpected character \"\\u200b\".\n\n1: $unicode2\n ^\n"],
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];
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}
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/**
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* @dataProvider reportsUsefulUnknownCharErrors
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* @it lex reports useful unknown character error
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*/
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public function testReportsUsefulUnknownCharErrors($str, $expectedMessage)
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{
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$this->setExpectedException(SyntaxError::class, $expectedMessage);
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$this->lexOne($str);
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}
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/**
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* @it lex reports useful information for dashes in names
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*/
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public function testReportsUsefulDashesInfo()
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{
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$q = 'a-b';
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$lexer = new Lexer(new Source($q));
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$this->assertArraySubset(['kind' => Token::NAME, 'start' => 0, 'end' => 1, 'value' => 'a'], (array) $lexer->advance());
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$this->setExpectedException(SyntaxError::class, 'Syntax Error GraphQL (1:3) Invalid number, expected digit but got: "b"' . "\n\n1: a-b\n ^\n");
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$lexer->advance();
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}
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/**
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* @it produces double linked list of tokens, including comments
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*/
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public function testDoubleLinkedList()
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{
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$lexer = new Lexer(new Source('{
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#comment
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field
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}'));
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$startToken = $lexer->token;
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do {
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$endToken = $lexer->advance();
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// Lexer advances over ignored comment tokens to make writing parsers
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|
// easier, but will include them in the linked list result.
|
|
$this->assertNotEquals('Comment', $endToken->kind);
|
|
} while ($endToken->kind !== '<EOF>');
|
|
|
|
$this->assertEquals(null, $startToken->prev);
|
|
$this->assertEquals(null, $endToken->next);
|
|
|
|
$tokens = [];
|
|
for ($tok = $startToken; $tok; $tok = $tok->next) {
|
|
if (!empty($tokens)) {
|
|
// Tokens are double-linked, prev should point to last seen token.
|
|
$this->assertSame($tokens[count($tokens) - 1], $tok->prev);
|
|
}
|
|
$tokens[] = $tok;
|
|
}
|
|
|
|
$this->assertEquals([
|
|
'<SOF>',
|
|
'{',
|
|
'Comment',
|
|
'Name',
|
|
'}',
|
|
'<EOF>'
|
|
], Utils::map($tokens, function ($tok) {
|
|
return $tok->kind;
|
|
}));
|
|
}
|
|
|
|
/**
|
|
* @param string $body
|
|
* @return Token
|
|
*/
|
|
private function lexOne($body)
|
|
{
|
|
$lexer = new Lexer(new Source($body));
|
|
return $lexer->advance();
|
|
}
|
|
}
|