mirror of
https://github.com/twigphp/Twig.git
synced 2026-08-29 03:26:56 +00:00
Fabien Potencier
d266b2df7f
* 3.x: Clarify the security scope for untrusted templates Normalize destructuring assignment targets Deprecate duplicate macro definitions # Conflicts: # CHANGELOG # doc/deprecated.rst # tests/ExpressionParserTest.php
735 lines
29 KiB
PHP
735 lines
29 KiB
PHP
<?php
|
|
|
|
/*
|
|
* This file is part of Twig.
|
|
*
|
|
* (c) Fabien Potencier
|
|
*
|
|
* For the full copyright and license information, please view the LICENSE
|
|
* file that was distributed with this source code.
|
|
*/
|
|
|
|
namespace Twig\Tests;
|
|
|
|
/*
|
|
* This file is part of Twig.
|
|
*
|
|
* (c) Fabien Potencier
|
|
*
|
|
* For the full copyright and license information, please view the LICENSE
|
|
* file that was distributed with this source code.
|
|
*/
|
|
|
|
use PHPUnit\Framework\Attributes\DataProvider;
|
|
use PHPUnit\Framework\TestCase;
|
|
use Twig\Compiler;
|
|
use Twig\Environment;
|
|
use Twig\Error\RuntimeError;
|
|
use Twig\Error\SyntaxError;
|
|
use Twig\ExpressionParser\InfixExpressionParserInterface;
|
|
use Twig\ExpressionParser\Prefix\LiteralExpressionParser;
|
|
use Twig\ExpressionParser\Prefix\UnaryOperatorExpressionParser;
|
|
use Twig\ExpressionParser\PrefixExpressionParserInterface;
|
|
use Twig\Extension\AbstractExtension;
|
|
use Twig\Loader\ArrayLoader;
|
|
use Twig\Node\Expression\ArrayExpression;
|
|
use Twig\Node\Expression\Binary\ConcatBinary;
|
|
use Twig\Node\Expression\Binary\ObjectDestructuringSetBinary;
|
|
use Twig\Node\Expression\Binary\SequenceDestructuringSetBinary;
|
|
use Twig\Node\Expression\ConstantExpression;
|
|
use Twig\Node\Expression\EmptyExpression;
|
|
use Twig\Node\Expression\Unary\AbstractUnary;
|
|
use Twig\Node\Expression\Unary\SpreadUnary;
|
|
use Twig\Node\Expression\Variable\AssignContextVariable;
|
|
use Twig\Node\Expression\Variable\ContextVariable;
|
|
use Twig\Parser;
|
|
use Twig\Source;
|
|
use Twig\TwigFilter;
|
|
use Twig\TwigFunction;
|
|
use Twig\TwigTest;
|
|
|
|
class ExpressionParserTest extends TestCase
|
|
{
|
|
#[DataProvider('getFailingTestsForAssignment')]
|
|
public function testCanOnlyAssignToNames($template): void
|
|
{
|
|
$env = new Environment(new ArrayLoader(), ['cache' => false, 'autoescape' => false]);
|
|
$parser = new Parser($env);
|
|
|
|
$this->expectException(SyntaxError::class);
|
|
$parser->parse($env->tokenize(new Source($template, 'index')));
|
|
}
|
|
|
|
public static function getFailingTestsForAssignment()
|
|
{
|
|
return [
|
|
['{% set false = "foo" %}'],
|
|
['{% set FALSE = "foo" %}'],
|
|
['{% set true = "foo" %}'],
|
|
['{% set TRUE = "foo" %}'],
|
|
['{% set none = "foo" %}'],
|
|
['{% set NONE = "foo" %}'],
|
|
['{% set null = "foo" %}'],
|
|
['{% set NULL = "foo" %}'],
|
|
['{% set 3 = "foo" %}'],
|
|
['{% set 1 + 2 = "foo" %}'],
|
|
['{% set "bar" = "foo" %}'],
|
|
['{% set %}{% endset %}'],
|
|
];
|
|
}
|
|
|
|
#[DataProvider('getTestsForSequence')]
|
|
public function testSequenceExpression($template, $expected): void
|
|
{
|
|
$env = new Environment(new ArrayLoader(), ['cache' => false, 'autoescape' => false]);
|
|
$stream = $env->tokenize($source = new Source($template, ''));
|
|
$parser = new Parser($env);
|
|
$expected->setSourceContext($source);
|
|
|
|
$this->assertEquals($expected, $parser->parse($stream)->getNode('body')->getNode(0)->getNode('expr'));
|
|
}
|
|
|
|
#[DataProvider('getFailingTestsForSequence')]
|
|
public function testSequenceSyntaxError($template): void
|
|
{
|
|
$env = new Environment(new ArrayLoader(), ['cache' => false, 'autoescape' => false]);
|
|
$parser = new Parser($env);
|
|
|
|
$this->expectException(SyntaxError::class);
|
|
$parser->parse($env->tokenize(new Source($template, 'index')));
|
|
}
|
|
|
|
public static function getFailingTestsForSequence()
|
|
{
|
|
return [
|
|
['{{ [1, "a": "b"] }}'],
|
|
['{{ {"a": "b", 2} }}'],
|
|
['{{ {"a"} }}'],
|
|
];
|
|
}
|
|
|
|
public static function getTestsForSequence()
|
|
{
|
|
return [
|
|
// simple sequence
|
|
['{{ [1, 2] }}', new ArrayExpression([
|
|
new ConstantExpression(0, 1),
|
|
new ConstantExpression(1, 1),
|
|
|
|
new ConstantExpression(1, 1),
|
|
new ConstantExpression(2, 1),
|
|
], 1),
|
|
],
|
|
|
|
// sequence with trailing ,
|
|
['{{ [1, 2, ] }}', new ArrayExpression([
|
|
new ConstantExpression(0, 1),
|
|
new ConstantExpression(1, 1),
|
|
|
|
new ConstantExpression(1, 1),
|
|
new ConstantExpression(2, 1),
|
|
], 1),
|
|
],
|
|
|
|
// simple mapping
|
|
['{{ {"a": "b", "b": "c"} }}', new ArrayExpression([
|
|
new ConstantExpression('a', 1),
|
|
new ConstantExpression('b', 1),
|
|
|
|
new ConstantExpression('b', 1),
|
|
new ConstantExpression('c', 1),
|
|
], 1),
|
|
],
|
|
|
|
// mapping with trailing ,
|
|
['{{ {"a": "b", "b": "c", } }}', new ArrayExpression([
|
|
new ConstantExpression('a', 1),
|
|
new ConstantExpression('b', 1),
|
|
|
|
new ConstantExpression('b', 1),
|
|
new ConstantExpression('c', 1),
|
|
], 1),
|
|
],
|
|
|
|
// mapping in a sequence
|
|
['{{ [1, {"a": "b", "b": "c"}] }}', new ArrayExpression([
|
|
new ConstantExpression(0, 1),
|
|
new ConstantExpression(1, 1),
|
|
|
|
new ConstantExpression(1, 1),
|
|
new ArrayExpression([
|
|
new ConstantExpression('a', 1),
|
|
new ConstantExpression('b', 1),
|
|
|
|
new ConstantExpression('b', 1),
|
|
new ConstantExpression('c', 1),
|
|
], 1),
|
|
], 1),
|
|
],
|
|
|
|
// sequence in a mapping
|
|
['{{ {"a": [1, 2], "b": "c"} }}', new ArrayExpression([
|
|
new ConstantExpression('a', 1),
|
|
new ArrayExpression([
|
|
new ConstantExpression(0, 1),
|
|
new ConstantExpression(1, 1),
|
|
|
|
new ConstantExpression(1, 1),
|
|
new ConstantExpression(2, 1),
|
|
], 1),
|
|
new ConstantExpression('b', 1),
|
|
new ConstantExpression('c', 1),
|
|
], 1),
|
|
],
|
|
['{{ {a, b} }}', new ArrayExpression([
|
|
new ConstantExpression('a', 1),
|
|
new ContextVariable('a', 1),
|
|
new ConstantExpression('b', 1),
|
|
new ContextVariable('b', 1),
|
|
], 1)],
|
|
|
|
// sequence with spread operator
|
|
['{{ [1, 2, ...foo] }}',
|
|
new ArrayExpression([
|
|
new ConstantExpression(0, 1),
|
|
new ConstantExpression(1, 1),
|
|
|
|
new ConstantExpression(1, 1),
|
|
new ConstantExpression(2, 1),
|
|
|
|
new ConstantExpression(2, 1),
|
|
new SpreadUnary(new ContextVariable('foo', 1), 1),
|
|
], 1)],
|
|
|
|
// mapping with spread operator
|
|
['{{ {"a": "b", "b": "c", ...otherLetters} }}',
|
|
new ArrayExpression([
|
|
new ConstantExpression('a', 1),
|
|
new ConstantExpression('b', 1),
|
|
|
|
new ConstantExpression('b', 1),
|
|
new ConstantExpression('c', 1),
|
|
|
|
new ConstantExpression(0, 1),
|
|
new SpreadUnary(new ContextVariable('otherLetters', 1), 1),
|
|
], 1)],
|
|
];
|
|
}
|
|
|
|
public function testStringExpressionDoesNotConcatenateTwoConsecutiveStrings(): void
|
|
{
|
|
$env = new Environment(new ArrayLoader(), ['cache' => false, 'autoescape' => false, 'optimizations' => 0]);
|
|
$stream = $env->tokenize(new Source('{{ "a" "b" }}', 'index'));
|
|
$parser = new Parser($env);
|
|
|
|
$this->expectException(SyntaxError::class);
|
|
$parser->parse($stream);
|
|
}
|
|
|
|
public function testSequenceCompilationError(): void
|
|
{
|
|
$env = new Environment(new ArrayLoader(['index' => '{{ [1,,2] }}']), ['cache' => false, 'autoescape' => false]);
|
|
|
|
$this->expectException(SyntaxError::class);
|
|
$this->expectExceptionMessage('Empty array elements are only allowed in destructuring assignments');
|
|
$env->compileSource(new Source('{{ [1,,2] }}', 'index'));
|
|
}
|
|
|
|
public function testSequenceDestructuringUsesAssignmentTargets(): void
|
|
{
|
|
$env = new Environment(new ArrayLoader(), ['cache' => false, 'autoescape' => false]);
|
|
$parser = new Parser($env);
|
|
$node = $parser->parse($env->tokenize(new Source('{{ ([first, , third] = values) }}', 'index')))->getNode('body')->getNode('0')->getNode('expr');
|
|
|
|
$this->assertInstanceOf(SequenceDestructuringSetBinary::class, $node);
|
|
$pairs = $node->getNode('left')->getKeyValuePairs();
|
|
$this->assertSame(AssignContextVariable::class, $pairs[0]['value']::class);
|
|
$this->assertSame('first', $pairs[0]['value']->getAttribute('name'));
|
|
$this->assertSame(EmptyExpression::class, $pairs[1]['value']::class);
|
|
$this->assertSame(AssignContextVariable::class, $pairs[2]['value']::class);
|
|
$this->assertSame('third', $pairs[2]['value']->getAttribute('name'));
|
|
}
|
|
|
|
public function testObjectDestructuringUsesAssignmentTargets(): void
|
|
{
|
|
$env = new Environment(new ArrayLoader(), ['cache' => false, 'autoescape' => false]);
|
|
$parser = new Parser($env);
|
|
$node = $parser->parse($env->tokenize(new Source('{{ ({name: user_name} = user) }}', 'index')))->getNode('body')->getNode('0')->getNode('expr');
|
|
|
|
$this->assertInstanceOf(ObjectDestructuringSetBinary::class, $node);
|
|
$pair = $node->getNode('left')->getKeyValuePairs()[0];
|
|
$this->assertSame(ConstantExpression::class, $pair['key']::class);
|
|
$this->assertSame('name', $pair['key']->getAttribute('value'));
|
|
$this->assertSame(AssignContextVariable::class, $pair['value']::class);
|
|
$this->assertSame('user_name', $pair['value']->getAttribute('name'));
|
|
}
|
|
|
|
#[DataProvider('getTestsForString')]
|
|
public function testStringExpression($template, $expected): void
|
|
{
|
|
$env = new Environment(new ArrayLoader(), ['cache' => false, 'autoescape' => false, 'optimizations' => 0]);
|
|
$stream = $env->tokenize($source = new Source($template, ''));
|
|
$parser = new Parser($env);
|
|
$expected->setSourceContext($source);
|
|
|
|
$this->assertEquals($expected, $parser->parse($stream)->getNode('body')->getNode(0)->getNode('expr'));
|
|
}
|
|
|
|
public static function getTestsForString()
|
|
{
|
|
return [
|
|
[
|
|
'{{ "foo #{bar}" }}', new ConcatBinary(
|
|
new ConstantExpression('foo ', 1),
|
|
new ContextVariable('bar', 1),
|
|
1
|
|
),
|
|
],
|
|
[
|
|
'{{ "foo #{bar} baz" }}', new ConcatBinary(
|
|
new ConcatBinary(
|
|
new ConstantExpression('foo ', 1),
|
|
new ContextVariable('bar', 1),
|
|
1
|
|
),
|
|
new ConstantExpression(' baz', 1),
|
|
1
|
|
),
|
|
],
|
|
|
|
[
|
|
'{{ "foo #{"foo #{bar} baz"} baz" }}', new ConcatBinary(
|
|
new ConcatBinary(
|
|
new ConstantExpression('foo ', 1),
|
|
new ConcatBinary(
|
|
new ConcatBinary(
|
|
new ConstantExpression('foo ', 1),
|
|
new ContextVariable('bar', 1),
|
|
1
|
|
),
|
|
new ConstantExpression(' baz', 1),
|
|
1
|
|
),
|
|
1
|
|
),
|
|
new ConstantExpression(' baz', 1),
|
|
1
|
|
),
|
|
],
|
|
];
|
|
}
|
|
|
|
#[DataProvider('getTestsForNullSafeOperator')]
|
|
public function testNullSafeOperator($template, $data, $expected): void
|
|
{
|
|
$env = new Environment(new ArrayLoader(['template' => $template]), ['strict_variables' => true]);
|
|
|
|
$this->assertSame($expected, $env->render('template', $data));
|
|
}
|
|
|
|
public static function getTestsForNullSafeOperator()
|
|
{
|
|
return [
|
|
[
|
|
'{{ foo?.bar }}',
|
|
['foo' => (object) ['bar' => 'baz']],
|
|
'baz',
|
|
],
|
|
[
|
|
'{{ foo?.bar }}',
|
|
['foo' => null],
|
|
'',
|
|
],
|
|
[
|
|
'{{ foo?.bar?.baz }}',
|
|
['foo' => (object) ['bar' => (object) ['baz' => 'qux']]],
|
|
'qux',
|
|
],
|
|
[
|
|
'{{ foo?.bar?.baz }}',
|
|
['foo' => (object) ['bar' => null]],
|
|
'',
|
|
],
|
|
[
|
|
'{{ foo?.bar?.baz }}',
|
|
['foo' => null],
|
|
'',
|
|
],
|
|
[
|
|
'{{ foo?.bar?.baz ?? "qux" }}',
|
|
['foo' => null],
|
|
'qux',
|
|
],
|
|
[
|
|
'{{ foo?.bar ?? "qux" }}',
|
|
['foo' => (object) ['bar' => 0]],
|
|
'0',
|
|
],
|
|
[
|
|
'{{ foo?.bar ?? "qux" }}',
|
|
['foo' => (object) ['bar' => false]],
|
|
'',
|
|
],
|
|
// short-circuiting
|
|
[
|
|
'{{ foo?.bar.baz }}',
|
|
['foo' => null],
|
|
'',
|
|
],
|
|
[
|
|
'{{ foo?.bar.baz?.qux.corge }}',
|
|
['foo' => null],
|
|
'',
|
|
],
|
|
[
|
|
'{{ foo?.bar.baz?.qux.corge }}',
|
|
['foo' => (object) ['bar' => (object) ['baz' => null]]],
|
|
'',
|
|
],
|
|
];
|
|
}
|
|
|
|
#[DataProvider('getTestForInvalidNullSafeOperatorShortCircuiting')]
|
|
public function testInvalidNullSafeOperatorShortCircuiting(string $template, array $data, string $expectedMessage): void
|
|
{
|
|
$env = new Environment(new ArrayLoader(['template' => $template]), ['strict_variables' => true]);
|
|
|
|
$this->expectException(RuntimeError::class);
|
|
$this->expectExceptionMessage($expectedMessage);
|
|
|
|
$env->render('template', $data);
|
|
}
|
|
|
|
public static function getTestForInvalidNullSafeOperatorShortCircuiting()
|
|
{
|
|
yield [
|
|
'{{ foo?.bar.baz }}',
|
|
['foo' => (object) ['bar' => null]],
|
|
'Impossible to access an attribute ("baz") on a null variable in "template" at line 1.',
|
|
];
|
|
yield [
|
|
'{{ foo?.bar.baz?.qux.corge }}',
|
|
['foo' => (object) ['bar' => (object) ['baz' => (object) ['qux' => null]]]],
|
|
'Impossible to access an attribute ("corge") on a null variable in "template" at line 1.',
|
|
];
|
|
}
|
|
|
|
public function testMacroDefinitionDoesNotSupportNonNameVariableName(): void
|
|
{
|
|
$env = new Environment(new ArrayLoader(), ['cache' => false, 'autoescape' => false]);
|
|
$parser = new Parser($env);
|
|
|
|
$this->expectException(SyntaxError::class);
|
|
$this->expectExceptionMessage('An argument must be a name. Unexpected token "string" of value "a" ("name" expected) in "index" at line 1 column 14.');
|
|
|
|
$parser->parse($env->tokenize(new Source('{% macro foo("a") %}{% endmacro %}', 'index')));
|
|
}
|
|
|
|
#[DataProvider('getMacroDefinitionDoesNotSupportNonConstantDefaultValues')]
|
|
public function testMacroDefinitionDoesNotSupportNonConstantDefaultValues($template): void
|
|
{
|
|
$env = new Environment(new ArrayLoader(), ['cache' => false, 'autoescape' => false]);
|
|
$parser = new Parser($env);
|
|
|
|
$this->expectException(SyntaxError::class);
|
|
$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');
|
|
|
|
$parser->parse($env->tokenize(new Source($template, 'index')));
|
|
}
|
|
|
|
public static function getMacroDefinitionDoesNotSupportNonConstantDefaultValues()
|
|
{
|
|
return [
|
|
['{% macro foo(name = "a #{foo} a") %}{% endmacro %}'],
|
|
['{% macro foo(name = [["b", "a #{foo} a"]]) %}{% endmacro %}'],
|
|
];
|
|
}
|
|
|
|
#[DataProvider('getMacroDefinitionSupportsConstantDefaultValues')]
|
|
public function testMacroDefinitionSupportsConstantDefaultValues($template): void
|
|
{
|
|
$env = new Environment(new ArrayLoader(), ['cache' => false, 'autoescape' => false]);
|
|
$parser = new Parser($env);
|
|
|
|
$parser->parse($env->tokenize(new Source($template, 'index')));
|
|
|
|
// add a dummy assertion here to satisfy PHPUnit, the only thing we want to test is that the code above
|
|
// can be executed without throwing any exceptions
|
|
$this->addToAssertionCount(1);
|
|
}
|
|
|
|
public static function getMacroDefinitionSupportsConstantDefaultValues()
|
|
{
|
|
return [
|
|
['{% macro foo(name = "aa") %}{% endmacro %}'],
|
|
['{% macro foo(name = 12) %}{% endmacro %}'],
|
|
['{% macro foo(name = true) %}{% endmacro %}'],
|
|
['{% macro foo(name = ["a"]) %}{% endmacro %}'],
|
|
['{% macro foo(name = [["a"]]) %}{% endmacro %}'],
|
|
['{% macro foo(name = {a: "a"}) %}{% endmacro %}'],
|
|
['{% macro foo(name = {a: {b: "a"}}) %}{% endmacro %}'],
|
|
];
|
|
}
|
|
|
|
public function testUnknownFunction(): void
|
|
{
|
|
$env = new Environment(new ArrayLoader(), ['cache' => false, 'autoescape' => false]);
|
|
$parser = new Parser($env);
|
|
|
|
$this->expectException(SyntaxError::class);
|
|
$this->expectExceptionMessage('Unknown "cycl" function. Did you mean "cycle" in "index" at line 1?');
|
|
|
|
$parser->parse($env->tokenize(new Source('{{ cycl() }}', 'index')));
|
|
}
|
|
|
|
public function testUnknownFunctionWithoutSuggestions(): void
|
|
{
|
|
$env = new Environment(new ArrayLoader(), ['cache' => false, 'autoescape' => false]);
|
|
$parser = new Parser($env);
|
|
|
|
$this->expectException(SyntaxError::class);
|
|
$this->expectExceptionMessage('Unknown "foobar" function in "index" at line 1.');
|
|
|
|
$parser->parse($env->tokenize(new Source('{{ foobar() }}', 'index')));
|
|
}
|
|
|
|
public function testUnknownFilter(): void
|
|
{
|
|
$env = new Environment(new ArrayLoader(), ['cache' => false, 'autoescape' => false]);
|
|
$parser = new Parser($env);
|
|
|
|
$this->expectException(SyntaxError::class);
|
|
$this->expectExceptionMessage('Unknown "lowe" filter. Did you mean "lower" in "index" at line 1?');
|
|
|
|
$parser->parse($env->tokenize(new Source('{{ 1|lowe }}', 'index')));
|
|
}
|
|
|
|
public function testUnknownFilterWithoutSuggestions(): void
|
|
{
|
|
$env = new Environment(new ArrayLoader(), ['cache' => false, 'autoescape' => false]);
|
|
$parser = new Parser($env);
|
|
|
|
$this->expectException(SyntaxError::class);
|
|
$this->expectExceptionMessage('Unknown "foobar" filter in "index" at line 1.');
|
|
|
|
$parser->parse($env->tokenize(new Source('{{ 1|foobar }}', 'index')));
|
|
}
|
|
|
|
public function testUnknownTest(): void
|
|
{
|
|
$env = new Environment(new ArrayLoader(), ['cache' => false, 'autoescape' => false]);
|
|
$parser = new Parser($env);
|
|
$stream = $env->tokenize(new Source('{{ 1 is nul }}', 'index'));
|
|
|
|
$this->expectException(SyntaxError::class);
|
|
$this->expectExceptionMessage('Unknown "nul" test. Did you mean "null" in "index" at line 1');
|
|
|
|
$parser->parse($stream);
|
|
}
|
|
|
|
public function testUnknownTestWithoutSuggestions(): void
|
|
{
|
|
$env = new Environment(new ArrayLoader(), ['cache' => false, 'autoescape' => false]);
|
|
$parser = new Parser($env);
|
|
|
|
$this->expectException(SyntaxError::class);
|
|
$this->expectExceptionMessage('Unknown "foobar" test in "index" at line 1.');
|
|
|
|
$parser->parse($env->tokenize(new Source('{{ 1 is foobar }}', 'index')));
|
|
}
|
|
|
|
public function testCompiledCodeForDynamicTest(): void
|
|
{
|
|
$env = new Environment(new ArrayLoader(['index' => '{{ "a" is foo_foo_bar_bar }}']), ['cache' => false, 'autoescape' => false]);
|
|
$env->addExtension(new class extends AbstractExtension {
|
|
public function getTests(): array
|
|
{
|
|
return [
|
|
new TwigTest('*_foo_*_bar', static function ($foo, $bar, $a) {}),
|
|
];
|
|
}
|
|
});
|
|
|
|
$this->assertStringContainsString('$this->env->getTest(\'*_foo_*_bar\')->getCallable()("foo", "bar", "a")', $env->compile($env->parse($env->tokenize(new Source($env->getLoader()->getSourceContext('index')->getCode(), 'index')))));
|
|
}
|
|
|
|
public function testCompiledCodeForDynamicFunction(): void
|
|
{
|
|
$env = new Environment(new ArrayLoader(['index' => '{{ foo_foo_bar_bar("a") }}']), ['cache' => false, 'autoescape' => false]);
|
|
$env->addExtension(new class extends AbstractExtension {
|
|
public function getFunctions(): array
|
|
{
|
|
return [
|
|
new TwigFunction('*_foo_*_bar', static function ($foo, $bar, $a) {}),
|
|
];
|
|
}
|
|
});
|
|
|
|
$this->assertStringContainsString('$this->env->getFunction(\'*_foo_*_bar\')->getCallable()("foo", "bar", "a")', $env->compile($env->parse($env->tokenize(new Source($env->getLoader()->getSourceContext('index')->getCode(), 'index')))));
|
|
}
|
|
|
|
public function testCompiledCodeForDynamicFilter(): void
|
|
{
|
|
$env = new Environment(new ArrayLoader(['index' => '{{ "a"|foo_foo_bar_bar }}']), ['cache' => false, 'autoescape' => false]);
|
|
$env->addExtension(new class extends AbstractExtension {
|
|
public function getFilters(): array
|
|
{
|
|
return [
|
|
new TwigFilter('*_foo_*_bar', static function ($foo, $bar, $a) {}),
|
|
];
|
|
}
|
|
});
|
|
|
|
$this->assertStringContainsString('$this->env->getFilter(\'*_foo_*_bar\')->getCallable()("foo", "bar", "a")', $env->compile($env->parse($env->tokenize(new Source($env->getLoader()->getSourceContext('index')->getCode(), 'index')))));
|
|
}
|
|
|
|
public function testTwoWordTestPrecedence(): void
|
|
{
|
|
// 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(): void
|
|
{
|
|
$env = new Environment(new ArrayLoader(), ['cache' => false, 'autoescape' => false]);
|
|
$env->addExtension(new class extends AbstractExtension {
|
|
public function getExpressionParsers(): array
|
|
{
|
|
$class = new class(new ConstantExpression('foo', 1), 1) extends AbstractUnary {
|
|
public function operator(Compiler $compiler): Compiler
|
|
{
|
|
return $compiler->raw('!');
|
|
}
|
|
};
|
|
|
|
return [
|
|
new UnaryOperatorExpressionParser($class::class, '!', 50),
|
|
];
|
|
}
|
|
});
|
|
$parser = new Parser($env);
|
|
|
|
$parser->parse($env->tokenize(new Source('{{ !false ? "OK" : "KO" }}', 'index')));
|
|
$this->expectNotToPerformAssertions();
|
|
}
|
|
|
|
#[DataProvider('getBindingPowerTests')]
|
|
public function testBindingPower(string $expression, string $expectedExpression, mixed $expectedResult, array $context = []): void
|
|
{
|
|
$env = new Environment(new ArrayLoader([
|
|
'expression' => $expression,
|
|
'expected' => $expectedExpression,
|
|
]));
|
|
|
|
$this->assertSame($env->render('expected', $context), $env->render('expression', $context));
|
|
$this->assertEquals($expectedResult, $env->render('expression', $context));
|
|
}
|
|
|
|
public static function getBindingPowerTests(): iterable
|
|
{
|
|
// * / // % stronger than + -
|
|
foreach (['*', '/', '//', '%'] as $op1) {
|
|
foreach (['+', '-'] as $op2) {
|
|
$e = "12 $op1 6 $op2 3";
|
|
if ('//' === $op1) {
|
|
$php = eval("return (int) floor(12 / 6) $op2 3;");
|
|
} else {
|
|
$php = eval("return $e;");
|
|
}
|
|
yield "$op1 vs $op2" => ["{{ $e }}", "{{ (12 $op1 6) $op2 3 }}", $php];
|
|
|
|
$e = "12 $op2 6 $op1 3";
|
|
if ('//' === $op1) {
|
|
$php = eval("return 12 $op2 (int) floor(6 / 3);");
|
|
} else {
|
|
$php = eval("return $e;");
|
|
}
|
|
yield "$op2 vs $op1" => ["{{ $e }}", "{{ 12 $op2 (6 $op1 3) }}", $php];
|
|
}
|
|
}
|
|
|
|
// + - * / // % stronger than == != <=> < > >= <= `not in` `in` `matches` `starts with` `ends with` `has some` `has every`
|
|
foreach (['+', '-', '*', '/', '//', '%'] as $op1) {
|
|
foreach (['==', '!=', '<=>', '<', '>', '>=', '<='] as $op2) {
|
|
$e = "12 $op1 6 $op2 3";
|
|
if ('//' === $op1) {
|
|
$php = eval("return (int) floor(12 / 6) $op2 3;");
|
|
} else {
|
|
$php = eval("return $e;");
|
|
}
|
|
yield "$op1 vs $op2" => ["{{ $e }}", "{{ (12 $op1 6) $op2 3 }}", $php];
|
|
}
|
|
}
|
|
yield '+ vs not in' => ['{{ 1 + 2 not in [3, 4] }}', '{{ (1 + 2) not in [3, 4] }}', eval('return !in_array(1 + 2, [3, 4]);')];
|
|
yield '+ vs in' => ['{{ 1 + 2 in [3, 4] }}', '{{ (1 + 2) in [3, 4] }}', eval('return in_array(1 + 2, [3, 4]);')];
|
|
yield '+ vs matches' => ['{{ 1 + 2 matches "/^3$/" }}', '{{ (1 + 2) matches "/^3$/" }}', eval("return preg_match('/^3$/', 1 + 2);")];
|
|
|
|
// ~ stronger than `starts with` `ends with`
|
|
yield '~ vs starts with' => ['{{ "a" ~ "b" starts with "a" }}', '{{ ("a" ~ "b") starts with "a" }}', eval("return str_starts_with('ab', 'a');")];
|
|
yield '~ vs ends with' => ['{{ "a" ~ "b" ends with "b" }}', '{{ ("a" ~ "b") ends with "b" }}', eval("return str_ends_with('ab', 'b');")];
|
|
|
|
// [] . stronger than anything else
|
|
$context = ['a' => ['b' => 1, 'c' => ['d' => 2]]];
|
|
yield '[] vs unary -' => ['{{ -a["b"] + 3 }}', '{{ -(a["b"]) + 3 }}', eval("\$a = ['b' => 1]; return -\$a['b'] + 3;"), $context];
|
|
yield '[] vs unary - (multiple levels)' => ['{{ -a["c"]["d"] }}', '{{ -((a["c"])["d"]) }}', eval("\$a = ['c' => ['d' => 2]]; return -\$a['c']['d'];"), $context];
|
|
yield '. vs unary -' => ['{{ -a.b }}', '{{ -(a.b) }}', eval("\$a = ['b' => 1]; return -\$a['b'];"), $context];
|
|
yield '. vs unary - (multiple levels)' => ['{{ -a.c.d }}', '{{ -((a.c).d) }}', eval("\$a = ['c' => ['d' => 2]]; return -\$a['c']['d'];"), $context];
|
|
yield '. [] vs unary -' => ['{{ -a.c["d"] }}', '{{ -((a.c)["d"]) }}', eval("\$a = ['c' => ['d' => 2]]; return -\$a['c']['d'];"), $context];
|
|
yield '[] . vs unary -' => ['{{ -a["c"].d }}', '{{ -((a["c"]).d) }}', eval("\$a = ['c' => ['d' => 2]]; return -\$a['c']['d'];"), $context];
|
|
|
|
// () stronger than anything else
|
|
yield '() vs unary -' => ['{{ -random(1, 1) + 3 }}', '{{ -(random(1, 1)) + 3 }}', eval('return -rand(1, 1) + 3;')];
|
|
|
|
// + - stronger than |
|
|
yield '+ vs |' => ['{{ 10 + 2|length }}', '{{ 10 + (2|length) }}', eval('return 10 + strlen(2);'), $context];
|
|
|
|
// - unary stronger than |
|
|
yield '- vs |' => ['{{ -1|abs }}', '{{ (-1)|abs }}', eval('return abs(-1);'), $context];
|
|
|
|
// ?? stronger than ()
|
|
yield '?? vs ()' => ['{{ (1 ?? "a") }}', '{{ ((1 ?? "a")) }}', eval('return 1;')];
|
|
|
|
// = stronger than anything else
|
|
yield '= same as literal' => ['{% do c = "a" %}{{ c }}', '{% do c = ("a") %}{{ c }}', eval("return 'a';")];
|
|
yield '= stronger than .' => ['{% do c = a.b %}{{ c }}', '{% do c = (a.b) %}{{ c }}', eval("\$a = ['b' => 1]; return \$a['b'];"), $context];
|
|
yield '= stronger than math' => ['{% do a = 1 + 3 %}{{ a }}', '{% do a = (1 + 3) %}{{ a }}', eval('$a = 1 + 3; return $a;')];
|
|
yield '= stronger than logical' => ['{% do a = false or true %}{{ a }}', '{% do a = (false or true) %}{{ a }}', eval('$a = false || true; return $a;')];
|
|
yield '= stronger than ternary' => ['{% do c = 4 ? 0 : -1 %}{{ c }}', '{% do c = (4 ? 0 : -1) %}{{ c }}', eval('return 4 ? 0 : -1;')];
|
|
}
|
|
|
|
public function testLiteralExpressionParserGetOperatorTokensReturnsEmptyArray(): void
|
|
{
|
|
$env = new Environment(new ArrayLoader());
|
|
$parser = $env->getExpressionParsers()->getByClass(LiteralExpressionParser::class);
|
|
|
|
$this->assertSame([], $parser->getOperatorTokens());
|
|
$this->assertSame('literal', $parser->getName());
|
|
}
|
|
|
|
public function testExpressionParserGetOperatorTokensDefaultBehavior(): void
|
|
{
|
|
$env = new Environment(new ArrayLoader());
|
|
|
|
foreach ($env->getExpressionParsers() as $parser) {
|
|
if ($parser instanceof LiteralExpressionParser) {
|
|
continue;
|
|
}
|
|
$expected = [$parser->getName(), ...$parser->getAliases()];
|
|
$this->assertSame($expected, $parser->getOperatorTokens(), \sprintf('getOperatorTokens() for %s should return name + aliases.', $parser::class));
|
|
}
|
|
}
|
|
|
|
public function testLiteralIsNotRegisteredAsOperator(): void
|
|
{
|
|
// Ensure "literal" is not in the operator registry
|
|
$env = new Environment(new ArrayLoader());
|
|
$this->assertNull($env->getExpressionParsers()->getByName(PrefixExpressionParserInterface::class, 'literal'));
|
|
$this->assertNull($env->getExpressionParsers()->getByName(InfixExpressionParserInterface::class, 'literal'));
|
|
}
|
|
}
|