NetCommonsTimeTest.php

<?php
/**
 * NetCommonsTimeTest
 *
 * @author   Ryuji AMANO <ryuji@ryus.co.jp>
 * @link http://www.netcommons.org NetCommons Project
 * @license http://www.netcommons.org/license.txt NetCommons License
 */


App::uses('NetCommonsTime', 'NetCommons.Utility');
App::uses('CakeTime', 'Utility');
App::uses('Current', 'NetCommons.Utility');
App::uses('NetCommonsCakeTestCase', 'NetCommons.TestSuite');

/**
 * Class NetCommonsTimeTest
 */
class NetCommonsTimeTest extends NetCommonsCakeTestCase {

/**
 * Fixtures
 *
 * @var array
 */
	public $fixtures = array(
		'plugin.site_manager.site_setting',
		'plugin.users.user',
	);

/**
 * setUp method
 *
 * @return void
 */
	public function setUp() {
		parent::setUp();
		$this->Time = new CakeTime();
		$this->_systemTimezoneIdentifier = date_default_timezone_get();
		Configure::write('Config.language', 'ja');
		Current::$current['Language']['id'] = 2; // ja
	}

/**
 * tearDown method
 *
 * @return void
 */
	public function tearDown() {
		parent::tearDown();
		unset($this->Time);
		$this->_restoreSystemTimezone();
	}

/**
 * Restored the original system timezone
 *
 * @return void
 */
	protected function _restoreSystemTimezone() {
		date_default_timezone_set($this->_systemTimezoneIdentifier);
	}

/**
 * DateTimeクラスがUnixtime範囲外の日時でもタイムゾーン変換できることを確認
 *
 * @return void
 */
	public function testOutRangeUnixtimeConvert() {
		date_default_timezone_set('UTC');

		$outRange = new DateTime('1888-01-01 00:00:00', new DateTimeZone('UTC'));
		$outRange->setTimezone(new DateTimeZone('Asia/Tokyo'));
		$this->assertEquals('1888-01-01 09:00:00', $outRange->format('Y-m-d H:i:s'));

		$outRange = new DateTime('9999-01-01 00:00:00', new DateTimeZone('UTC'));
		$outRange->setTimezone(new DateTimeZone('Asia/Tokyo'));
		$this->assertEquals('9999-01-01 09:00:00', $outRange->format('Y-m-d H:i:s'));
	}

/**
 * 同一セッション中は別インスタンスでも同じ日時を返すことを確認
 *
 * @return void
 */
	public function testNowStatic() {
		// Static call
		$start = NetCommonsTime::getNowDatetime();
		sleep(1);
		// 1秒後のStatic call
		$after1secNow = NetCommonsTime::getNowDatetime();
		$this->assertEquals($start, $after1secNow);

		// newしても同じ日時
		$netCommonsTime1 = new NetCommonsTime();
		$firstInstanceNow = $netCommonsTime1->getNowDatetime();
		$this->assertEquals($start, $firstInstanceNow);

		$netCommonsTime2 = new NetCommonsTime();
		$secondInstanceNow = $netCommonsTime2->getNowDatetime();

		$this->assertEquals($start, $secondInstanceNow);
	}

/**
 * テストのために現在日時を差し替えられることを確認
 *
 * @return void
 */
	public function testNowInjection() {
		$netCommonsTime = new NetCommonsTime();
		$now = $netCommonsTime->getNowDatetime();
		$this->assertNotEquals('2000-01-01 00:00:00', $now);

		// NetCommonsTimeの現在時刻を差し替える
		$nowProperty = new ReflectionProperty('NetCommonsTime', '_now');
		$nowProperty->setAccessible(true);
		$nowProperty->setValue(strtotime('2000-01-01 00:00:00'));

		// new NetCommonsTime()->getNowDatetime() が差し替えた時刻になることを確認
		$time = new NetCommonsTime();
		$sasikaeNowDatetime = $time->getNowDatetime();
		$this->assertEquals('2000-01-01 00:00:00', $sasikaeNowDatetime);

		//Static callでも差し替えた日時になる
		$this->assertEquals('2000-01-01 00:00:00', NetCommonsTime::getNowDatetime());

		// メソッドチェーンもOK
		$this->assertEquals('2000-01-01 00:00:00', (new NetCommonsTime())->getNowDatetime());

		$nowProperty->setValue(null);
	}

/**
 * 配列中の指定されたキーの値をユーザタイムゾーンに変換するテスト
 *
 * @return void
 */
	public function testToUserDatetimeArray() {
		$netCommonsTime = new NetCommonsTime();
		$data = [
			'BlogEntry' => [
				'title' => 'Title',
				'body1' => 'Body',
				'published_datetime' => '2000-01-01 00:00:00',
			]
		];
		Current::$current['User']['timezone'] = 'Asia/Tokyo';

		$userData = $netCommonsTime->toUserDatetimeArray($data, array('BlogEntry.published_datetime'));
		$this->assertEquals('2000-01-01 09:00:00', $userData['BlogEntry']['published_datetime']);
	}

/**
 * 配列中の指定されたキーの値をサーバタイムゾーンに変換するテスト
 *
 * @return void
 */
	public function testToServerDatetimeArray() {
		$netCommonsTime = new NetCommonsTime();
		$data = [
			'BlogEntry' => [
				'title' => 'Title',
				'body1' => 'Body',
				'published_datetime' => '2000-01-01 09:00:00',
			]
		];
		Current::$current['User']['timezone'] = 'Asia/Tokyo';

		$userData = $netCommonsTime->toServerDatetimeArray($data, array('BlogEntry.published_datetime'));
		$this->assertEquals('2000-01-01 00:00:00', $userData['BlogEntry']['published_datetime']);
	}

/**
 * SiteTimezoneの取得テスト
 *
 * @return void
 */
	public function testGetSiteTimezone() {
		$siteTimezoneProperty = new ReflectionProperty('NetCommonsTime', 'siteTimezone');
		$siteTimezoneProperty->setAccessible(true);
		$siteTimezoneProperty->setValue(null);

		// NetCommonsTimeの現在時刻を差し替える
		$netCommonsTime = new NetCommonsTime();
		$method = new ReflectionMethod($netCommonsTime, 'getSiteTimezone');
		$method->setAccessible(true);

		$this->getMockForModel('SiteManager.SiteSetting', ['getSiteTimezone'])
			->expects($this->once())
			->method('getSiteTimezone')
			->will($this->returnValue('Asia/Tokyo'));

		$siteTimezone = $method->invoke($netCommonsTime);

		$this->assertEquals('Asia/Tokyo', $siteTimezone);

		$method->invoke($netCommonsTime); // 2回目はSiteSettingを呼び出さない

		$siteTimezoneProperty = new ReflectionProperty('NetCommonsTime', 'siteTimezone');
		$siteTimezoneProperty->setAccessible(true);
		$siteTimezoneProperty->setValue(null);
	}

/**
 * ゲストでUser.timezoneが取得できないときは、NetCommonsTime::_getSiteTimezone()でサイトタイムゾーンを得るのを確認
 *
 * @return void
 */
	public function testGuestConvertCallGetSiteTimezone() {
		Current::$current['User']['timezone'] = null;

		// NetCommonsTime::getSiteTimezone()が2回呼ばれるはず
		$mock = $this->getMock('NetCommonsTime', ['getSiteTimezone']);

		$mock->expects($this->exactly(2))
			->method('getSiteTimezone')
			->will($this->returnValue('Asia/Tokyo'));

		$mock->toServerDatetime('2000-01-01 00:00:00');
		$mock->toUserDatetime('2000-01-01 00:00:00');
	}

/**
 * コンストラクタからチェーンメソッドでも呼べるのを確認した
 *
 * @return void
 */
	public function testMethodChain() {
		$siteTimezone = (new NetCommonsTime())->getSiteTimezone();
		$this->assertEquals('Asia/Tokyo', $siteTimezone);
	}

/**
 * メソッドチェーンとインスタンス生成でのメモリ消費ぐあいの確認
 *
 * @return void
 */
	public function testMethodChainUseMemory() {
		// コンストラクタから直接メソッドチェーンするとメモリは余計には使われない
		echo memory_get_usage() . '/';
		$timezone = (new NetCommonsTime())->getSiteTimezone();
		echo memory_get_usage() . '/';
		$timezone = (new NetCommonsTime())->getSiteTimezone();
		echo memory_get_usage() . '/';

		// インスタンスをそれぞれ作ると各インスタンス毎にメモリを消費する
		echo memory_get_usage() . '/';
		$instance1 = new NetCommonsTime();
		echo memory_get_usage() . '/';
		$instance2 = new NetCommonsTime();
		echo memory_get_usage() . '/';
		unset($instance1, $instance2);
	}
}