309 lines
11 KiB
PHP
309 lines
11 KiB
PHP
<?php
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/*
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* This file is part of the Symfony package.
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*
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* (c) Fabien Potencier <fabien@symfony.com>
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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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namespace Symfony\Component\ExpressionLanguage\Tests;
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use PHPUnit\Framework\TestCase;
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use Symfony\Component\ExpressionLanguage\ExpressionFunction;
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use Symfony\Component\ExpressionLanguage\ExpressionLanguage;
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use Symfony\Component\ExpressionLanguage\ParsedExpression;
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use Symfony\Component\ExpressionLanguage\Tests\Fixtures\TestProvider;
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class ExpressionLanguageTest extends TestCase
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{
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public function testCachedParse()
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{
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$cacheMock = $this->getMockBuilder('Psr\Cache\CacheItemPoolInterface')->getMock();
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$cacheItemMock = $this->getMockBuilder('Psr\Cache\CacheItemInterface')->getMock();
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$savedParsedExpression = null;
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$expressionLanguage = new ExpressionLanguage($cacheMock);
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$cacheMock
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->expects($this->exactly(2))
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->method('getItem')
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->with('1%20%2B%201%2F%2F')
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->willReturn($cacheItemMock)
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;
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$cacheItemMock
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->expects($this->exactly(2))
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->method('get')
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->willReturnCallback(function () use (&$savedParsedExpression) {
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return $savedParsedExpression;
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})
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;
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$cacheItemMock
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->expects($this->exactly(1))
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->method('set')
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->with($this->isInstanceOf(ParsedExpression::class))
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->willReturnCallback(function ($parsedExpression) use (&$savedParsedExpression) {
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$savedParsedExpression = $parsedExpression;
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})
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;
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$cacheMock
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->expects($this->exactly(1))
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->method('save')
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->with($cacheItemMock)
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;
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$parsedExpression = $expressionLanguage->parse('1 + 1', []);
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$this->assertSame($savedParsedExpression, $parsedExpression);
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$parsedExpression = $expressionLanguage->parse('1 + 1', []);
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$this->assertSame($savedParsedExpression, $parsedExpression);
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}
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/**
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* @group legacy
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*/
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public function testCachedParseWithDeprecatedParserCacheInterface()
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{
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$cacheMock = $this->getMockBuilder('Symfony\Component\ExpressionLanguage\ParserCache\ParserCacheInterface')->getMock();
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$savedParsedExpression = null;
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$expressionLanguage = new ExpressionLanguage($cacheMock);
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$cacheMock
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->expects($this->exactly(1))
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->method('fetch')
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->with('1%20%2B%201%2F%2F')
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->willReturn($savedParsedExpression)
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;
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$cacheMock
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->expects($this->exactly(1))
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->method('save')
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->with('1%20%2B%201%2F%2F', $this->isInstanceOf(ParsedExpression::class))
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->willReturnCallback(function ($key, $expression) use (&$savedParsedExpression) {
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$savedParsedExpression = $expression;
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})
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;
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$parsedExpression = $expressionLanguage->parse('1 + 1', []);
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$this->assertSame($savedParsedExpression, $parsedExpression);
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}
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public function testWrongCacheImplementation()
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{
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$this->expectException('InvalidArgumentException');
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$this->expectExceptionMessage('Cache argument has to implement "Psr\Cache\CacheItemPoolInterface".');
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$cacheMock = $this->getMockBuilder('Psr\Cache\CacheItemSpoolInterface')->getMock();
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new ExpressionLanguage($cacheMock);
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}
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public function testConstantFunction()
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{
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$expressionLanguage = new ExpressionLanguage();
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$this->assertEquals(\PHP_VERSION, $expressionLanguage->evaluate('constant("PHP_VERSION")'));
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$expressionLanguage = new ExpressionLanguage();
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$this->assertEquals('\constant("PHP_VERSION")', $expressionLanguage->compile('constant("PHP_VERSION")'));
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}
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public function testProviders()
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{
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$expressionLanguage = new ExpressionLanguage(null, [new TestProvider()]);
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$this->assertEquals('foo', $expressionLanguage->evaluate('identity("foo")'));
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$this->assertEquals('"foo"', $expressionLanguage->compile('identity("foo")'));
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$this->assertEquals('FOO', $expressionLanguage->evaluate('strtoupper("foo")'));
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$this->assertEquals('\strtoupper("foo")', $expressionLanguage->compile('strtoupper("foo")'));
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$this->assertEquals('foo', $expressionLanguage->evaluate('strtolower("FOO")'));
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$this->assertEquals('\strtolower("FOO")', $expressionLanguage->compile('strtolower("FOO")'));
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$this->assertTrue($expressionLanguage->evaluate('fn_namespaced()'));
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$this->assertEquals('\Symfony\Component\ExpressionLanguage\Tests\Fixtures\fn_namespaced()', $expressionLanguage->compile('fn_namespaced()'));
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}
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/**
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* @dataProvider shortCircuitProviderEvaluate
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*/
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public function testShortCircuitOperatorsEvaluate($expression, array $values, $expected)
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{
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$expressionLanguage = new ExpressionLanguage();
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$this->assertEquals($expected, $expressionLanguage->evaluate($expression, $values));
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}
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/**
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* @dataProvider shortCircuitProviderCompile
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*/
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public function testShortCircuitOperatorsCompile($expression, array $names, $expected)
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{
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$result = null;
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$expressionLanguage = new ExpressionLanguage();
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eval(sprintf('$result = %s;', $expressionLanguage->compile($expression, $names)));
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$this->assertSame($expected, $result);
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}
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public function testParseThrowsInsteadOfNotice()
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{
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$this->expectException('Symfony\Component\ExpressionLanguage\SyntaxError');
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$this->expectExceptionMessage('Unexpected end of expression around position 6 for expression `node.`.');
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$expressionLanguage = new ExpressionLanguage();
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$expressionLanguage->parse('node.', ['node']);
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}
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public function shortCircuitProviderEvaluate()
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{
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$object = $this->getMockBuilder('stdClass')->setMethods(['foo'])->getMock();
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$object->expects($this->never())->method('foo');
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return [
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['false and object.foo()', ['object' => $object], false],
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['false && object.foo()', ['object' => $object], false],
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['true || object.foo()', ['object' => $object], true],
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['true or object.foo()', ['object' => $object], true],
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];
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}
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public function shortCircuitProviderCompile()
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{
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return [
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['false and foo', ['foo' => 'foo'], false],
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['false && foo', ['foo' => 'foo'], false],
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['true || foo', ['foo' => 'foo'], true],
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['true or foo', ['foo' => 'foo'], true],
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];
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}
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public function testCachingForOverriddenVariableNames()
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{
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$expressionLanguage = new ExpressionLanguage();
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$expression = 'a + b';
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$expressionLanguage->evaluate($expression, ['a' => 1, 'b' => 1]);
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$result = $expressionLanguage->compile($expression, ['a', 'B' => 'b']);
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$this->assertSame('($a + $B)', $result);
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}
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public function testStrictEquality()
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{
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$expressionLanguage = new ExpressionLanguage();
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$expression = '123 === a';
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$result = $expressionLanguage->compile($expression, ['a']);
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$this->assertSame('(123 === $a)', $result);
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}
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public function testCachingWithDifferentNamesOrder()
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{
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$cacheMock = $this->getMockBuilder('Psr\Cache\CacheItemPoolInterface')->getMock();
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$cacheItemMock = $this->getMockBuilder('Psr\Cache\CacheItemInterface')->getMock();
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$expressionLanguage = new ExpressionLanguage($cacheMock);
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$savedParsedExpression = null;
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$cacheMock
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->expects($this->exactly(2))
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->method('getItem')
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->with('a%20%2B%20b%2F%2Fa%7CB%3Ab')
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->willReturn($cacheItemMock)
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;
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$cacheItemMock
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->expects($this->exactly(2))
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->method('get')
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->willReturnCallback(function () use (&$savedParsedExpression) {
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return $savedParsedExpression;
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})
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;
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$cacheItemMock
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->expects($this->exactly(1))
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->method('set')
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->with($this->isInstanceOf(ParsedExpression::class))
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->willReturnCallback(function ($parsedExpression) use (&$savedParsedExpression) {
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$savedParsedExpression = $parsedExpression;
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})
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;
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$cacheMock
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->expects($this->exactly(1))
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->method('save')
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->with($cacheItemMock)
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;
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$expression = 'a + b';
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$expressionLanguage->compile($expression, ['a', 'B' => 'b']);
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$expressionLanguage->compile($expression, ['B' => 'b', 'a']);
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}
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public function testOperatorCollisions()
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{
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$expressionLanguage = new ExpressionLanguage();
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$expression = 'foo.not in [bar]';
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$compiled = $expressionLanguage->compile($expression, ['foo', 'bar']);
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$this->assertSame('in_array($foo->not, [0 => $bar])', $compiled);
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$result = $expressionLanguage->evaluate($expression, ['foo' => (object) ['not' => 'test'], 'bar' => 'test']);
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$this->assertTrue($result);
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}
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/**
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* @dataProvider getRegisterCallbacks
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*/
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public function testRegisterAfterParse($registerCallback)
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{
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$this->expectException('LogicException');
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$el = new ExpressionLanguage();
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$el->parse('1 + 1', []);
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$registerCallback($el);
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}
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/**
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* @dataProvider getRegisterCallbacks
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*/
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public function testRegisterAfterEval($registerCallback)
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{
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$this->expectException('LogicException');
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$el = new ExpressionLanguage();
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$el->evaluate('1 + 1');
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$registerCallback($el);
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}
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public function testCallBadCallable()
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{
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$this->expectException('RuntimeException');
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$this->expectExceptionMessageMatches('/Unable to call method "\w+" of object "\w+"./');
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$el = new ExpressionLanguage();
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$el->evaluate('foo.myfunction()', ['foo' => new \stdClass()]);
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}
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/**
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* @dataProvider getRegisterCallbacks
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*/
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public function testRegisterAfterCompile($registerCallback)
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{
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$this->expectException('LogicException');
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$el = new ExpressionLanguage();
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$el->compile('1 + 1');
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$registerCallback($el);
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}
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public function getRegisterCallbacks()
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{
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return [
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[
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function (ExpressionLanguage $el) {
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$el->register('fn', function () {}, function () {});
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},
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],
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[
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function (ExpressionLanguage $el) {
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$el->addFunction(new ExpressionFunction('fn', function () {}, function () {}));
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},
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],
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[
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function (ExpressionLanguage $el) {
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$el->registerProvider(new TestProvider());
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},
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],
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];
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}
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}
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