mirror of
https://github.com/twigphp/Twig.git
synced 2026-08-17 12:11:33 +00:00
Fabien Potencier
682 lines
25 KiB
PHP
682 lines
25 KiB
PHP
<?php
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namespace Twig\Tests;
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/*
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* This file is part of Twig.
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*
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* (c) Fabien Potencier
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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use PHPUnit\Framework\TestCase;
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use Symfony\Bridge\PhpUnit\ExpectDeprecationTrait;
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use Twig\Attribute\FirstClassTwigCallableReady;
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use Twig\Compiler;
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use Twig\Environment;
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use Twig\Error\SyntaxError;
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use Twig\Extension\AbstractExtension;
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use Twig\Loader\ArrayLoader;
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use Twig\Node\Expression\ArrayExpression;
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use Twig\Node\Expression\Binary\ConcatBinary;
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use Twig\Node\Expression\ConstantExpression;
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use Twig\Node\Expression\FilterExpression;
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use Twig\Node\Expression\FunctionExpression;
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use Twig\Node\Expression\TestExpression;
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use Twig\Node\Expression\Unary\AbstractUnary;
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use Twig\Node\Expression\Variable\ContextVariable;
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use Twig\Node\Node;
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use Twig\Operator\Unary\AbstractUnaryOperator;
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use Twig\Parser;
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use Twig\Source;
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use Twig\TwigFilter;
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use Twig\TwigFunction;
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use Twig\TwigTest;
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class ExpressionParserTest extends TestCase
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{
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use ExpectDeprecationTrait;
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/**
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* @dataProvider getFailingTestsForAssignment
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*/
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public function testCanOnlyAssignToNames($template)
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{
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$env = new Environment(new ArrayLoader(), ['cache' => false, 'autoescape' => false]);
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$parser = new Parser($env);
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$this->expectException(SyntaxError::class);
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$parser->parse($env->tokenize(new Source($template, 'index')));
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}
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public static function getFailingTestsForAssignment()
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{
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return [
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['{% set false = "foo" %}'],
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['{% set FALSE = "foo" %}'],
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['{% set true = "foo" %}'],
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['{% set TRUE = "foo" %}'],
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['{% set none = "foo" %}'],
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['{% set NONE = "foo" %}'],
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['{% set null = "foo" %}'],
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['{% set NULL = "foo" %}'],
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['{% set 3 = "foo" %}'],
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['{% set 1 + 2 = "foo" %}'],
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['{% set "bar" = "foo" %}'],
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['{% set %}{% endset %}'],
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];
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}
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/**
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* @dataProvider getTestsForSequence
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*/
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public function testSequenceExpression($template, $expected)
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{
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$env = new Environment(new ArrayLoader(), ['cache' => false, 'autoescape' => false]);
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$stream = $env->tokenize($source = new Source($template, ''));
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$parser = new Parser($env);
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$expected->setSourceContext($source);
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$this->assertEquals($expected, $parser->parse($stream)->getNode('body')->getNode('0')->getNode('expr'));
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}
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/**
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* @dataProvider getFailingTestsForSequence
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*/
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public function testSequenceSyntaxError($template)
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{
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$env = new Environment(new ArrayLoader(), ['cache' => false, 'autoescape' => false]);
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$parser = new Parser($env);
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$this->expectException(SyntaxError::class);
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$parser->parse($env->tokenize(new Source($template, 'index')));
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}
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public static function getFailingTestsForSequence()
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{
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return [
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['{{ [1, "a": "b"] }}'],
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['{{ {"a": "b", 2} }}'],
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['{{ {"a"} }}'],
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];
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}
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public static function getTestsForSequence()
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{
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return [
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// simple sequence
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['{{ [1, 2] }}', new ArrayExpression([
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new ConstantExpression(0, 1),
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new ConstantExpression(1, 1),
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new ConstantExpression(1, 1),
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new ConstantExpression(2, 1),
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], 1),
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],
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// sequence with trailing ,
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['{{ [1, 2, ] }}', new ArrayExpression([
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new ConstantExpression(0, 1),
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new ConstantExpression(1, 1),
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new ConstantExpression(1, 1),
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new ConstantExpression(2, 1),
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], 1),
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],
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// simple mapping
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['{{ {"a": "b", "b": "c"} }}', new ArrayExpression([
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new ConstantExpression('a', 1),
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new ConstantExpression('b', 1),
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new ConstantExpression('b', 1),
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new ConstantExpression('c', 1),
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], 1),
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],
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// mapping with trailing ,
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['{{ {"a": "b", "b": "c", } }}', new ArrayExpression([
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new ConstantExpression('a', 1),
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new ConstantExpression('b', 1),
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new ConstantExpression('b', 1),
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new ConstantExpression('c', 1),
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], 1),
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],
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// mapping in a sequence
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['{{ [1, {"a": "b", "b": "c"}] }}', new ArrayExpression([
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new ConstantExpression(0, 1),
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new ConstantExpression(1, 1),
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new ConstantExpression(1, 1),
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new ArrayExpression([
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new ConstantExpression('a', 1),
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new ConstantExpression('b', 1),
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new ConstantExpression('b', 1),
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new ConstantExpression('c', 1),
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], 1),
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], 1),
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],
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// sequence in a mapping
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['{{ {"a": [1, 2], "b": "c"} }}', new ArrayExpression([
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new ConstantExpression('a', 1),
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new ArrayExpression([
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new ConstantExpression(0, 1),
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new ConstantExpression(1, 1),
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new ConstantExpression(1, 1),
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new ConstantExpression(2, 1),
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], 1),
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new ConstantExpression('b', 1),
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new ConstantExpression('c', 1),
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], 1),
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],
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['{{ {a, b} }}', new ArrayExpression([
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new ConstantExpression('a', 1),
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new ContextVariable('a', 1),
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new ConstantExpression('b', 1),
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new ContextVariable('b', 1),
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], 1)],
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// sequence with spread operator
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['{{ [1, 2, ...foo] }}',
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new ArrayExpression([
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new ConstantExpression(0, 1),
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new ConstantExpression(1, 1),
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new ConstantExpression(1, 1),
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new ConstantExpression(2, 1),
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new ConstantExpression(2, 1),
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self::createContextVariable('foo', ['spread' => true]),
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], 1)],
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// mapping with spread operator
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['{{ {"a": "b", "b": "c", ...otherLetters} }}',
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new ArrayExpression([
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new ConstantExpression('a', 1),
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new ConstantExpression('b', 1),
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new ConstantExpression('b', 1),
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new ConstantExpression('c', 1),
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new ConstantExpression(0, 1),
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self::createContextVariable('otherLetters', ['spread' => true]),
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], 1)],
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];
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}
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public function testStringExpressionDoesNotConcatenateTwoConsecutiveStrings()
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{
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$env = new Environment(new ArrayLoader(), ['cache' => false, 'autoescape' => false, 'optimizations' => 0]);
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$stream = $env->tokenize(new Source('{{ "a" "b" }}', 'index'));
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$parser = new Parser($env);
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$this->expectException(SyntaxError::class);
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$parser->parse($stream);
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}
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/**
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* @dataProvider getTestsForString
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*/
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public function testStringExpression($template, $expected)
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{
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$env = new Environment(new ArrayLoader(), ['cache' => false, 'autoescape' => false, 'optimizations' => 0]);
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$stream = $env->tokenize($source = new Source($template, ''));
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$parser = new Parser($env);
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$expected->setSourceContext($source);
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$this->assertEquals($expected, $parser->parse($stream)->getNode('body')->getNode('0')->getNode('expr'));
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}
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public static function getTestsForString()
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{
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return [
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[
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'{{ "foo #{bar}" }}', new ConcatBinary(
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new ConstantExpression('foo ', 1),
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new ContextVariable('bar', 1),
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1
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),
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],
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[
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'{{ "foo #{bar} baz" }}', new ConcatBinary(
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new ConcatBinary(
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new ConstantExpression('foo ', 1),
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new ContextVariable('bar', 1),
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1
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),
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new ConstantExpression(' baz', 1),
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1
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),
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],
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[
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'{{ "foo #{"foo #{bar} baz"} baz" }}', new ConcatBinary(
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new ConcatBinary(
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new ConstantExpression('foo ', 1),
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new ConcatBinary(
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new ConcatBinary(
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new ConstantExpression('foo ', 1),
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new ContextVariable('bar', 1),
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1
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),
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new ConstantExpression(' baz', 1),
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1
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),
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1
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),
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new ConstantExpression(' baz', 1),
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1
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),
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],
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];
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}
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public function testMacroDefinitionDoesNotSupportNonNameVariableName()
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{
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$env = new Environment(new ArrayLoader(), ['cache' => false, 'autoescape' => false]);
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$parser = new Parser($env);
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$this->expectException(SyntaxError::class);
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$this->expectExceptionMessage('An argument must be a name. Unexpected token "string" of value "a" ("name" expected) in "index" at line 1.');
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$parser->parse($env->tokenize(new Source('{% macro foo("a") %}{% endmacro %}', 'index')));
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}
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/**
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* @dataProvider getMacroDefinitionDoesNotSupportNonConstantDefaultValues
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*/
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public function testMacroDefinitionDoesNotSupportNonConstantDefaultValues($template)
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{
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$env = new Environment(new ArrayLoader(), ['cache' => false, 'autoescape' => false]);
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$parser = new Parser($env);
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$this->expectException(SyntaxError::class);
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$this->expectExceptionMessage('A default value for an argument must be a constant (a boolean, a string, a number, a sequence, or a mapping) in "index" at line 1');
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$parser->parse($env->tokenize(new Source($template, 'index')));
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}
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public static function getMacroDefinitionDoesNotSupportNonConstantDefaultValues()
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{
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return [
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['{% macro foo(name = "a #{foo} a") %}{% endmacro %}'],
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['{% macro foo(name = [["b", "a #{foo} a"]]) %}{% endmacro %}'],
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];
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}
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/**
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* @dataProvider getMacroDefinitionSupportsConstantDefaultValues
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*/
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public function testMacroDefinitionSupportsConstantDefaultValues($template)
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{
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$env = new Environment(new ArrayLoader(), ['cache' => false, 'autoescape' => false]);
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$parser = new Parser($env);
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$parser->parse($env->tokenize(new Source($template, 'index')));
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// add a dummy assertion here to satisfy PHPUnit, the only thing we want to test is that the code above
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// can be executed without throwing any exceptions
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$this->addToAssertionCount(1);
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}
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public static function getMacroDefinitionSupportsConstantDefaultValues()
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{
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return [
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['{% macro foo(name = "aa") %}{% endmacro %}'],
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['{% macro foo(name = 12) %}{% endmacro %}'],
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['{% macro foo(name = true) %}{% endmacro %}'],
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['{% macro foo(name = ["a"]) %}{% endmacro %}'],
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['{% macro foo(name = [["a"]]) %}{% endmacro %}'],
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['{% macro foo(name = {a: "a"}) %}{% endmacro %}'],
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['{% macro foo(name = {a: {b: "a"}}) %}{% endmacro %}'],
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];
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}
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public function testUnknownFunction()
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{
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$env = new Environment(new ArrayLoader(), ['cache' => false, 'autoescape' => false]);
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$parser = new Parser($env);
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$this->expectException(SyntaxError::class);
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$this->expectExceptionMessage('Unknown "cycl" function. Did you mean "cycle" in "index" at line 1?');
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$parser->parse($env->tokenize(new Source('{{ cycl() }}', 'index')));
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}
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public function testUnknownFunctionWithoutSuggestions()
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{
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$env = new Environment(new ArrayLoader(), ['cache' => false, 'autoescape' => false]);
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$parser = new Parser($env);
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$this->expectException(SyntaxError::class);
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$this->expectExceptionMessage('Unknown "foobar" function in "index" at line 1.');
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$parser->parse($env->tokenize(new Source('{{ foobar() }}', 'index')));
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}
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public function testUnknownFilter()
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{
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$env = new Environment(new ArrayLoader(), ['cache' => false, 'autoescape' => false]);
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$parser = new Parser($env);
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$this->expectException(SyntaxError::class);
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$this->expectExceptionMessage('Unknown "lowe" filter. Did you mean "lower" in "index" at line 1?');
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$parser->parse($env->tokenize(new Source('{{ 1|lowe }}', 'index')));
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}
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public function testUnknownFilterWithoutSuggestions()
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{
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$env = new Environment(new ArrayLoader(), ['cache' => false, 'autoescape' => false]);
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$parser = new Parser($env);
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$this->expectException(SyntaxError::class);
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$this->expectExceptionMessage('Unknown "foobar" filter in "index" at line 1.');
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$parser->parse($env->tokenize(new Source('{{ 1|foobar }}', 'index')));
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}
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public function testUnknownTest()
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{
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$env = new Environment(new ArrayLoader(), ['cache' => false, 'autoescape' => false]);
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$parser = new Parser($env);
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$stream = $env->tokenize(new Source('{{ 1 is nul }}', 'index'));
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$this->expectException(SyntaxError::class);
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$this->expectExceptionMessage('Unknown "nul" test. Did you mean "null" in "index" at line 1');
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$parser->parse($stream);
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}
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public function testUnknownTestWithoutSuggestions()
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{
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$env = new Environment(new ArrayLoader(), ['cache' => false, 'autoescape' => false]);
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$parser = new Parser($env);
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$this->expectException(SyntaxError::class);
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$this->expectExceptionMessage('Unknown "foobar" test in "index" at line 1.');
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$parser->parse($env->tokenize(new Source('{{ 1 is foobar }}', 'index')));
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}
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public function testCompiledCodeForDynamicTest()
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{
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$env = new Environment(new ArrayLoader(['index' => '{{ "a" is foo_foo_bar_bar }}']), ['cache' => false, 'autoescape' => false]);
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$env->addExtension(new class extends AbstractExtension {
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public function getTests()
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{
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return [
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new TwigTest('*_foo_*_bar', function ($foo, $bar, $a) {}),
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];
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}
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});
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$this->assertStringContainsString('$this->env->getTest(\'*_foo_*_bar\')->getCallable()("foo", "bar", "a")', $env->compile($env->parse($env->tokenize(new Source($env->getLoader()->getSourceContext('index')->getCode(), 'index')))));
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}
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public function testCompiledCodeForDynamicFunction()
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{
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$env = new Environment(new ArrayLoader(['index' => '{{ foo_foo_bar_bar("a") }}']), ['cache' => false, 'autoescape' => false]);
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$env->addExtension(new class extends AbstractExtension {
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public function getFunctions()
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{
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return [
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new TwigFunction('*_foo_*_bar', function ($foo, $bar, $a) {}),
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];
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}
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});
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$this->assertStringContainsString('$this->env->getFunction(\'*_foo_*_bar\')->getCallable()("foo", "bar", "a")', $env->compile($env->parse($env->tokenize(new Source($env->getLoader()->getSourceContext('index')->getCode(), 'index')))));
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}
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public function testCompiledCodeForDynamicFilter()
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{
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$env = new Environment(new ArrayLoader(['index' => '{{ "a"|foo_foo_bar_bar }}']), ['cache' => false, 'autoescape' => false]);
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$env->addExtension(new class extends AbstractExtension {
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public function getFilters()
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{
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return [
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new TwigFilter('*_foo_*_bar', function ($foo, $bar, $a) {}),
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];
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}
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});
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$this->assertStringContainsString('$this->env->getFilter(\'*_foo_*_bar\')->getCallable()("foo", "bar", "a")', $env->compile($env->parse($env->tokenize(new Source($env->getLoader()->getSourceContext('index')->getCode(), 'index')))));
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}
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public function testNotReadyFunctionWithNoConstructor()
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{
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$env = new Environment(new ArrayLoader(), ['cache' => false, 'autoescape' => false]);
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$env->addFunction(new TwigFunction('foo', 'foo', ['node_class' => NotReadyFunctionExpressionWithNoConstructor::class]));
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$parser = new Parser($env);
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$parser->parse($env->tokenize(new Source('{{ foo() }}', 'index')));
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$this->expectNotToPerformAssertions();
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}
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public function testNotReadyFilterWithNoConstructor()
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{
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$env = new Environment(new ArrayLoader(), ['cache' => false, 'autoescape' => false]);
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$env->addFilter(new TwigFilter('foo', 'foo', ['node_class' => NotReadyFilterExpressionWithNoConstructor::class]));
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$parser = new Parser($env);
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$parser->parse($env->tokenize(new Source('{{ 1|foo }}', 'index')));
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$this->expectNotToPerformAssertions();
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}
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public function testNotReadyTestWithNoConstructor()
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{
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$env = new Environment(new ArrayLoader(), ['cache' => false, 'autoescape' => false]);
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$env->addTest(new TwigTest('foo', 'foo', ['node_class' => NotReadyTestExpressionWithNoConstructor::class]));
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$parser = new Parser($env);
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$parser->parse($env->tokenize(new Source('{{ 1 is foo }}', 'index')));
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$this->expectNotToPerformAssertions();
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}
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/**
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* @group legacy
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*/
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public function testNotReadyFunction()
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{
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$this->expectDeprecation('Since twig/twig 3.12: Twig node "Twig\Tests\NotReadyFunctionExpression" is not marked as ready for passing a "TwigFunction" in the constructor instead of its name; please update your code and then add #[FirstClassTwigCallableReady] attribute to the constructor.');
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$this->expectDeprecation('Since twig/twig 3.12: Not passing an instance of "TwigFunction" when creating a "foo" function of type "Twig\Tests\NotReadyFunctionExpression" is deprecated.');
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$env = new Environment(new ArrayLoader(), ['cache' => false, 'autoescape' => false]);
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$env->addFunction(new TwigFunction('foo', 'foo', ['node_class' => NotReadyFunctionExpression::class]));
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$parser = new Parser($env);
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$parser->parse($env->tokenize(new Source('{{ foo() }}', 'index')));
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}
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/**
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* @group legacy
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*/
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public function testNotReadyFilter()
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{
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$this->expectDeprecation('Since twig/twig 3.12: Twig node "Twig\Tests\NotReadyFilterExpression" is not marked as ready for passing a "TwigFilter" in the constructor instead of its name; please update your code and then add #[FirstClassTwigCallableReady] attribute to the constructor.');
|
|
$this->expectDeprecation('Since twig/twig 3.12: Not passing an instance of "TwigFilter" when creating a "foo" filter of type "Twig\Tests\NotReadyFilterExpression" is deprecated.');
|
|
|
|
$env = new Environment(new ArrayLoader(), ['cache' => false, 'autoescape' => false]);
|
|
$env->addFilter(new TwigFilter('foo', 'foo', ['node_class' => NotReadyFilterExpression::class]));
|
|
$parser = new Parser($env);
|
|
|
|
$parser->parse($env->tokenize(new Source('{{ 1|foo }}', 'index')));
|
|
}
|
|
|
|
/**
|
|
* @group legacy
|
|
*/
|
|
public function testNotReadyTest()
|
|
{
|
|
$this->expectDeprecation('Since twig/twig 3.12: Twig node "Twig\Tests\NotReadyTestExpression" is not marked as ready for passing a "TwigTest" in the constructor instead of its name; please update your code and then add #[FirstClassTwigCallableReady] attribute to the constructor.');
|
|
$this->expectDeprecation('Since twig/twig 3.12: Not passing an instance of "TwigTest" when creating a "foo" test of type "Twig\Tests\NotReadyTestExpression" is deprecated.');
|
|
|
|
$env = new Environment(new ArrayLoader(), ['cache' => false, 'autoescape' => false]);
|
|
$env->addTest(new TwigTest('foo', 'foo', ['node_class' => NotReadyTestExpression::class]));
|
|
$parser = new Parser($env);
|
|
|
|
$parser->parse($env->tokenize(new Source('{{ 1 is foo }}', 'index')));
|
|
}
|
|
|
|
public function testReadyFunction()
|
|
{
|
|
$env = new Environment(new ArrayLoader(), ['cache' => false, 'autoescape' => false]);
|
|
$env->addFunction(new TwigFunction('foo', 'foo', ['node_class' => ReadyFunctionExpression::class]));
|
|
$parser = new Parser($env);
|
|
|
|
$parser->parse($env->tokenize(new Source('{{ foo() }}', 'index')));
|
|
$this->expectNotToPerformAssertions();
|
|
}
|
|
|
|
public function testReadyFilter()
|
|
{
|
|
$env = new Environment(new ArrayLoader(), ['cache' => false, 'autoescape' => false]);
|
|
$env->addFilter(new TwigFilter('foo', 'foo', ['node_class' => ReadyFilterExpression::class]));
|
|
$parser = new Parser($env);
|
|
|
|
$parser->parse($env->tokenize(new Source('{{ 1|foo }}', 'index')));
|
|
$this->expectNotToPerformAssertions();
|
|
}
|
|
|
|
public function testReadyTest()
|
|
{
|
|
$env = new Environment(new ArrayLoader(), ['cache' => false, 'autoescape' => false]);
|
|
$env->addTest(new TwigTest('foo', 'foo', ['node_class' => ReadyTestExpression::class]));
|
|
$parser = new Parser($env);
|
|
|
|
$parser->parse($env->tokenize(new Source('{{ 1 is foo }}', 'index')));
|
|
$this->expectNotToPerformAssertions();
|
|
}
|
|
|
|
public function testTwoWordTestPrecedence()
|
|
{
|
|
// a "empty element" test must have precedence over "empty"
|
|
$env = new Environment(new ArrayLoader(), ['cache' => false, 'autoescape' => false]);
|
|
$env->addTest(new TwigTest('empty element', 'foo'));
|
|
$parser = new Parser($env);
|
|
|
|
$parser->parse($env->tokenize(new Source('{{ 1 is empty element }}', 'index')));
|
|
$this->expectNotToPerformAssertions();
|
|
}
|
|
|
|
public function testUnaryPrecedenceChange()
|
|
{
|
|
$env = new Environment(new ArrayLoader(), ['cache' => false, 'autoescape' => false]);
|
|
$env->addExtension(new class extends AbstractExtension {
|
|
public function getOperators()
|
|
{
|
|
return [
|
|
new class extends AbstractUnaryOperator {
|
|
public function getOperator(): string
|
|
{
|
|
return '!';
|
|
}
|
|
|
|
public function getPrecedence(): int
|
|
{
|
|
return 50;
|
|
}
|
|
|
|
public function getNodeClass(): string
|
|
{
|
|
$class = new class(new ConstantExpression('foo', 1), 1) extends AbstractUnary {
|
|
public function operator(Compiler $compiler): Compiler
|
|
{
|
|
return $compiler->raw('!');
|
|
}
|
|
};
|
|
|
|
return $class::class;
|
|
}
|
|
},
|
|
];
|
|
}
|
|
});
|
|
$parser = new Parser($env);
|
|
|
|
$parser->parse($env->tokenize(new Source('{{ !false ? "OK" : "KO" }}', 'index')));
|
|
$this->expectNotToPerformAssertions();
|
|
}
|
|
|
|
private static function createContextVariable(string $name, array $attributes): ContextVariable
|
|
{
|
|
$expression = new ContextVariable($name, 1);
|
|
foreach ($attributes as $key => $value) {
|
|
$expression->setAttribute($key, $value);
|
|
}
|
|
|
|
return $expression;
|
|
}
|
|
}
|
|
|
|
class NotReadyFunctionExpression extends FunctionExpression
|
|
{
|
|
public function __construct(string $function, Node $arguments, int $lineno)
|
|
{
|
|
parent::__construct($function, $arguments, $lineno);
|
|
}
|
|
}
|
|
|
|
class NotReadyFilterExpression extends FilterExpression
|
|
{
|
|
public function __construct(Node $node, ConstantExpression $filter, Node $arguments, int $lineno)
|
|
{
|
|
parent::__construct($node, $filter, $arguments, $lineno);
|
|
}
|
|
}
|
|
|
|
class NotReadyTestExpression extends TestExpression
|
|
{
|
|
public function __construct(Node $node, string $test, ?Node $arguments, int $lineno)
|
|
{
|
|
parent::__construct($node, $test, $arguments, $lineno);
|
|
}
|
|
}
|
|
|
|
class NotReadyFunctionExpressionWithNoConstructor extends FunctionExpression
|
|
{
|
|
}
|
|
|
|
class NotReadyFilterExpressionWithNoConstructor extends FilterExpression
|
|
{
|
|
}
|
|
|
|
class NotReadyTestExpressionWithNoConstructor extends TestExpression
|
|
{
|
|
}
|
|
|
|
class ReadyFunctionExpression extends FunctionExpression
|
|
{
|
|
#[FirstClassTwigCallableReady]
|
|
public function __construct(TwigFunction|string $function, Node $arguments, int $lineno)
|
|
{
|
|
parent::__construct($function, $arguments, $lineno);
|
|
}
|
|
}
|
|
|
|
class ReadyFilterExpression extends FilterExpression
|
|
{
|
|
#[FirstClassTwigCallableReady]
|
|
public function __construct(Node $node, TwigFilter|ConstantExpression $filter, Node $arguments, int $lineno)
|
|
{
|
|
parent::__construct($node, $filter, $arguments, $lineno);
|
|
}
|
|
}
|
|
|
|
class ReadyTestExpression extends TestExpression
|
|
{
|
|
#[FirstClassTwigCallableReady]
|
|
public function __construct(Node $node, TwigTest|string $test, ?Node $arguments, int $lineno)
|
|
{
|
|
parent::__construct($node, $test, $arguments, $lineno);
|
|
}
|
|
}
|