mirror of
https://github.com/retailcrm/graphql-php.git
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629 lines
21 KiB
PHP
629 lines
21 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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use PHPUnit\Framework\TestCase;
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class LexerTest extends TestCase
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{
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/**
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* @see it('disallows uncommon control characters')
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*/
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public function testDissallowsUncommonControlCharacters()
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{
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$this->expectSyntaxError(
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Utils::chr(0x0007),
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'Cannot contain the invalid character "\u0007"',
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$this->loc(1, 1)
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);
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}
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/**
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* @see 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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* @see 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) $this->lexOne("\n \r\n \r foo\n"));
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}
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/**
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* @see it('skips whitespace and comments')
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*/
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public function testSkipsWhitespacesAndComments()
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{
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$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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* @see it('errors respect whitespace')
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*/
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public function testErrorsRespectWhitespace()
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{
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$str = '' .
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"\n" .
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"\n" .
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" ?\n" .
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"\n";
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try {
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$this->lexOne($str);
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$this->fail('Expected exception not thrown');
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} catch (SyntaxError $error) {
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$this->assertEquals(
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'Syntax Error: Cannot parse the unexpected character "?".' . "\n" .
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"\n" .
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"GraphQL request (3:5)\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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(string) $error
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);
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}
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}
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/**
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* @see it('updates line numbers in error for file context')
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*/
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public function testUpdatesLineNumbersInErrorForFileContext()
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{
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$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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try {
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$lexer = new Lexer($source);
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$lexer->advance();
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$this->fail('Expected exception not thrown');
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} catch (SyntaxError $error) {
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$this->assertEquals(
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'Syntax Error: Cannot parse the unexpected character "?".' . "\n" .
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"\n" .
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"foo.js (13:6)\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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(string) $error
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);
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}
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}
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public function testUpdatesColumnNumbersInErrorForFileContext()
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{
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$source = new Source('?', 'foo.js', new SourceLocation(1, 5));
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try {
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$lexer = new Lexer($source);
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$lexer->advance();
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$this->fail('Expected exception not thrown');
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} catch (SyntaxError $error) {
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$this->assertEquals(
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'Syntax Error: Cannot parse the unexpected character "?".' . "\n" .
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"\n" .
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"foo.js (1:5)\n" .
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'1: ?' . "\n" .
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' ^' . "\n",
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(string) $error
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);
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}
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}
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/**
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* @see it('lexes strings')
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*/
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public function testLexesStrings()
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{
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$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) $this->lexOne('"\u1234\u5678\u90AB\uCDEF"'));
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}
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/**
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* @see it('lexes block strings')
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*/
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public function testLexesBlockString()
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{
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$this->assertArraySubset([
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'kind' => Token::BLOCK_STRING,
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'start' => 0,
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'end' => 12,
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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::BLOCK_STRING,
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'start' => 0,
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'end' => 19,
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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::BLOCK_STRING,
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'start' => 0,
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'end' => 22,
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'value' => 'contains " quote'
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], (array) $this->lexOne('"""contains " quote"""'));
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$this->assertArraySubset([
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'kind' => Token::BLOCK_STRING,
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'start' => 0,
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'end' => 31,
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'value' => 'contains """ triplequote'
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], (array) $this->lexOne('"""contains \\""" triplequote"""'));
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$this->assertArraySubset([
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'kind' => Token::BLOCK_STRING,
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'start' => 0,
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'end' => 16,
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'value' => "multi\nline"
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], (array) $this->lexOne("\"\"\"multi\nline\"\"\""));
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$this->assertArraySubset([
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'kind' => Token::BLOCK_STRING,
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'start' => 0,
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'end' => 28,
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'value' => "multi\nline\nnormalized"
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], (array) $this->lexOne("\"\"\"multi\rline\r\nnormalized\"\"\""));
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$this->assertArraySubset([
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'kind' => Token::BLOCK_STRING,
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'start' => 0,
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'end' => 32,
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'value' => 'unescaped \\n\\r\\b\\t\\f\\u1234'
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], (array) $this->lexOne('"""unescaped \\n\\r\\b\\t\\f\\u1234"""'));
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$this->assertArraySubset([
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'kind' => Token::BLOCK_STRING,
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'start' => 0,
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'end' => 19,
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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::BLOCK_STRING,
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'start' => 0,
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'end' => 68,
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'value' => "spans\n multiple\n lines"
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], (array) $this->lexOne("\"\"\"
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spans
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multiple
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lines
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\"\"\""));
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}
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public function reportsUsefulStringErrors() {
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return [
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['"', "Unterminated string.", $this->loc(1, 2)],
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['"no end quote', "Unterminated string.", $this->loc(1, 14)],
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["'single quotes'", "Unexpected single quote character ('), did you mean to use a double quote (\")?", $this->loc(1, 1)],
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['"contains unescaped \u0007 control char"', "Invalid character within String: \"\\u0007\"", $this->loc(1, 21)],
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['"null-byte is not \u0000 end of file"', 'Invalid character within String: "\\u0000"', $this->loc(1, 19)],
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['"multi' . "\n" . 'line"', "Unterminated string.", $this->loc(1, 7)],
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['"multi' . "\r" . 'line"', "Unterminated string.", $this->loc(1, 7)],
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['"bad \\z esc"', "Invalid character escape sequence: \\z", $this->loc(1, 7)],
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['"bad \\x esc"', "Invalid character escape sequence: \\x", $this->loc(1, 7)],
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['"bad \\u1 esc"', "Invalid character escape sequence: \\u1 es", $this->loc(1, 7)],
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['"bad \\u0XX1 esc"', "Invalid character escape sequence: \\u0XX1", $this->loc(1, 7)],
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['"bad \\uXXXX esc"', "Invalid character escape sequence: \\uXXXX", $this->loc(1, 7)],
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['"bad \\uFXXX esc"', "Invalid character escape sequence: \\uFXXX", $this->loc(1, 7)],
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['"bad \\uXXXF esc"', "Invalid character escape sequence: \\uXXXF", $this->loc(1, 7)],
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];
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}
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/**
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* @dataProvider reportsUsefulStringErrors
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* @see it('lex reports useful string errors')
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*/
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public function testLexReportsUsefulStringErrors($str, $expectedMessage, $location)
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{
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$this->expectSyntaxError($str, $expectedMessage, $location);
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}
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public function reportsUsefulBlockStringErrors() {
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return [
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['"""', "Unterminated string.", $this->loc(1, 4)],
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['"""no end quote', "Unterminated string.", $this->loc(1, 16)],
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['"""contains unescaped ' . json_decode('"\u0007"') . ' control char"""', "Invalid character within String: \"\\u0007\"", $this->loc(1, 23)],
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['"""null-byte is not ' . json_decode('"\u0000"') . ' end of file"""', "Invalid character within String: \"\\u0000\"", $this->loc(1, 21)],
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];
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}
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/**
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* @dataProvider reportsUsefulBlockStringErrors
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* @see it('lex reports useful block string errors')
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*/
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public function testReportsUsefulBlockStringErrors($str, $expectedMessage, $location)
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{
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$this->expectSyntaxError($str, $expectedMessage, $location);
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}
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/**
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* @see it('lexes numbers')
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*/
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public function testLexesNumbers()
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{
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$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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}
|
|
|
|
public function reportsUsefulNumberErrors()
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|
{
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return [
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[ '00', "Invalid number, unexpected digit after 0: \"0\"", $this->loc(1, 2)],
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[ '+1', "Cannot parse the unexpected character \"+\".", $this->loc(1, 1)],
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[ '1.', "Invalid number, expected digit but got: <EOF>", $this->loc(1, 3)],
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[ '1.e1', "Invalid number, expected digit but got: \"e\"", $this->loc(1, 3)],
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[ '.123', "Cannot parse the unexpected character \".\".", $this->loc(1, 1)],
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[ '1.A', "Invalid number, expected digit but got: \"A\"", $this->loc(1, 3)],
|
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[ '-A', "Invalid number, expected digit but got: \"A\"", $this->loc(1, 2)],
|
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[ '1.0e', "Invalid number, expected digit but got: <EOF>", $this->loc(1, 5)],
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[ '1.0eA', "Invalid number, expected digit but got: \"A\"", $this->loc(1, 5)],
|
|
];
|
|
}
|
|
|
|
/**
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|
* @dataProvider reportsUsefulNumberErrors
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|
* @see it('lex reports useful number errors')
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|
*/
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|
public function testReportsUsefulNumberErrors($str, $expectedMessage, $location)
|
|
{
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$this->expectSyntaxError($str, $expectedMessage, $location);
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|
}
|
|
|
|
/**
|
|
* @see it('lexes punctuation')
|
|
*/
|
|
public function testLexesPunctuation()
|
|
{
|
|
$this->assertArraySubset(
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['kind' => Token::BANG, 'start' => 0, 'end' => 1, 'value' => null],
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|
(array) $this->lexOne('!')
|
|
);
|
|
$this->assertArraySubset(
|
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['kind' => Token::DOLLAR, 'start' => 0, 'end' => 1, 'value' => null],
|
|
(array) $this->lexOne('$')
|
|
);
|
|
$this->assertArraySubset(
|
|
['kind' => Token::PAREN_L, 'start' => 0, 'end' => 1, 'value' => null],
|
|
(array) $this->lexOne('(')
|
|
);
|
|
$this->assertArraySubset(
|
|
['kind' => Token::PAREN_R, 'start' => 0, 'end' => 1, 'value' => null],
|
|
(array) $this->lexOne(')')
|
|
);
|
|
$this->assertArraySubset(
|
|
['kind' => Token::SPREAD, 'start' => 0, 'end' => 3, 'value' => null],
|
|
(array) $this->lexOne('...')
|
|
);
|
|
$this->assertArraySubset(
|
|
['kind' => Token::COLON, 'start' => 0, 'end' => 1, 'value' => null],
|
|
(array) $this->lexOne(':')
|
|
);
|
|
$this->assertArraySubset(
|
|
['kind' => Token::EQUALS, 'start' => 0, 'end' => 1, 'value' => null],
|
|
(array) $this->lexOne('=')
|
|
);
|
|
$this->assertArraySubset(
|
|
['kind' => Token::AT, 'start' => 0, 'end' => 1, 'value' => null],
|
|
(array) $this->lexOne('@')
|
|
);
|
|
$this->assertArraySubset(
|
|
['kind' => Token::BRACKET_L, 'start' => 0, 'end' => 1, 'value' => null],
|
|
(array) $this->lexOne('[')
|
|
);
|
|
$this->assertArraySubset(
|
|
['kind' => Token::BRACKET_R, 'start' => 0, 'end' => 1, 'value' => null],
|
|
(array) $this->lexOne(']')
|
|
);
|
|
$this->assertArraySubset(
|
|
['kind' => Token::BRACE_L, 'start' => 0, 'end' => 1, 'value' => null],
|
|
(array) $this->lexOne('{')
|
|
);
|
|
$this->assertArraySubset(
|
|
['kind' => Token::PIPE, 'start' => 0, 'end' => 1, 'value' => null],
|
|
(array) $this->lexOne('|')
|
|
);
|
|
$this->assertArraySubset(
|
|
['kind' => Token::BRACE_R, 'start' => 0, 'end' => 1, 'value' => null],
|
|
(array) $this->lexOne('}')
|
|
);
|
|
}
|
|
|
|
public function reportsUsefulUnknownCharErrors()
|
|
{
|
|
$unicode1 = json_decode('"\u203B"');
|
|
$unicode2 = json_decode('"\u200b"');
|
|
|
|
return [
|
|
['..', "Cannot parse the unexpected character \".\".", $this->loc(1, 1)],
|
|
['?', "Cannot parse the unexpected character \"?\".", $this->loc(1, 1)],
|
|
[$unicode1, "Cannot parse the unexpected character \"\\u203b\".", $this->loc(1, 1)],
|
|
[$unicode2, "Cannot parse the unexpected character \"\\u200b\".", $this->loc(1, 1)],
|
|
];
|
|
}
|
|
|
|
/**
|
|
* @dataProvider reportsUsefulUnknownCharErrors
|
|
* @see it('lex reports useful unknown character error')
|
|
*/
|
|
public function testReportsUsefulUnknownCharErrors($str, $expectedMessage, $location)
|
|
{
|
|
$this->expectSyntaxError($str, $expectedMessage, $location);
|
|
}
|
|
|
|
/**
|
|
* @see it('lex reports useful information for dashes in names')
|
|
*/
|
|
public function testReportsUsefulDashesInfo()
|
|
{
|
|
$q = 'a-b';
|
|
$lexer = new Lexer(new Source($q));
|
|
$this->assertArraySubset(['kind' => Token::NAME, 'start' => 0, 'end' => 1, 'value' => 'a'], (array) $lexer->advance());
|
|
|
|
$this->expectException(SyntaxError::class);
|
|
$this->expectExceptionMessage('Syntax Error: Invalid number, expected digit but got: "b"');
|
|
try {
|
|
$lexer->advance();
|
|
$this->fail('Expected exception not thrown');
|
|
} catch(SyntaxError $error) {
|
|
$this->assertEquals([$this->loc(1,3)], $error->getLocations());
|
|
throw $error;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @see it('produces double linked list of tokens, including comments')
|
|
*/
|
|
public function testDoubleLinkedList()
|
|
{
|
|
$lexer = new Lexer(new Source('{
|
|
#comment
|
|
field
|
|
}'));
|
|
|
|
$startToken = $lexer->token;
|
|
do {
|
|
$endToken = $lexer->advance();
|
|
// Lexer advances over ignored comment tokens to make writing parsers
|
|
// 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 $lexer->advance();
|
|
}
|
|
|
|
private function loc($line, $column)
|
|
{
|
|
return new SourceLocation($line, $column);
|
|
}
|
|
|
|
private function expectSyntaxError($text, $message, $location)
|
|
{
|
|
$this->expectException(SyntaxError::class);
|
|
$this->expectExceptionMessage($message);
|
|
try {
|
|
$this->lexOne($text);
|
|
} catch (SyntaxError $error) {
|
|
$this->assertEquals([$location], $error->getLocations());
|
|
throw $error;
|
|
}
|
|
}
|
|
}
|