easyengine/tests/test-file-cache.php at develop · system-76/easyengine · GitHub

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<?php

use EE\FileCache;
use EE\Utils;

require_once dirname( __DIR__ ) . '/php/class-ee.php';

class FileCacheTest extends PHPUnit_Framework_TestCase {

	/**
	 * Test get_root() deals with backslashed directory.
	 */
	public function testGetRoot() {
		$max_size = 32;
		$ttl = 60;

		$cache_dir = Utils\get_temp_dir() . uniqid( 'ee-test-file-cache', true );

		$cache = new FileCache( $cache_dir, $ttl, $max_size );
		$this->assertSame( $cache_dir . '/', $cache->get_root() );
		unset( $cache );

		$cache = new FileCache( $cache_dir . '/', $ttl, $max_size );
		$this->assertSame( $cache_dir . '/', $cache->get_root() );
		unset( $cache );

		$cache = new FileCache( $cache_dir . '\\', $ttl, $max_size );
		$this->assertSame( $cache_dir . '/', $cache->get_root() );
		unset( $cache );

		rmdir( $cache_dir );
	}

	public function test_ensure_dir_exists() {
		$class_ee_logger = new ReflectionProperty( 'EE', 'logger' );
		$class_ee_logger->setAccessible( true );
		$prev_logger = $class_ee_logger->getValue();

		$logger = new EE\Loggers\Execution;
		EE::set_logger( $logger );

		$max_size = 32;
		$ttl = 60;
		$cache_dir = Utils\get_temp_dir() . uniqid( 'ee-test-file-cache', true );

		$cache = new FileCache( $cache_dir, $ttl, $max_size );
		$test_class = new ReflectionClass( $cache );
		$method = $test_class->getMethod( 'ensure_dir_exists' );
		$method->setAccessible( true );

		// Cache directory should be created.
		$result = $method->invokeArgs( $cache, array( $cache_dir . '/test1' ) );
		$this->assertTrue( $result );
		$this->assertTrue( is_dir( $cache_dir . '/test1' ) );

		// Try to create the same directory again. it should return true.
		$result = $method->invokeArgs( $cache, array( $cache_dir . '/test1' ) );
		$this->assertTrue( $result );

		// `chmod()` doesn't work on Windows.
		if ( ! Utils\is_windows() ) {
			// It should be failed because permission denied.
			$logger->stderr = '';
			chmod( $cache_dir . '/test1', 0000 );
			$result = $method->invokeArgs( $cache, array( $cache_dir . '/test1/error' ) );
			$expected = "/^Warning: Failed to create directory '.+': mkdir\(\): Permission denied\.$/";
			$this->assertRegexp( $expected, $logger->stderr );
		}

		// It should be failed because file exists.
		$logger->stderr = '';
		file_put_contents( $cache_dir . '/test2', '' );
		$result = $method->invokeArgs( $cache, array( $cache_dir . '/test2' ) );
		$expected = "/^Warning: Failed to create directory '.+': mkdir\(\): File exists\.$/";
		$this->assertRegexp( $expected, $logger->stderr );

		// Restore
		chmod( $cache_dir . '/test1', 0755 );
		rmdir( $cache_dir . '/test1' );
		unlink( $cache_dir . '/test2' );
		rmdir( $cache_dir );
		$class_ee_logger->setValue( $prev_logger );
	}
}