<?php

/*
  +--------------------------------------------------------------------+
  | CiviCRM version 5                                                  |
  +--------------------------------------------------------------------+
  | Copyright CiviCRM LLC (c) 2004-2017                                |
  +--------------------------------------------------------------------+
  | This file is a part of CiviCRM.                                    |
  |                                                                    |
  | CiviCRM is free software; you can copy, modify, and distribute it  |
  | under the terms of the GNU Affero General Public License           |
  | Version 3, 19 November 2007 and the CiviCRM Licensing Exception.   |
  |                                                                    |
  | CiviCRM is distributed in the hope that it will be useful, but     |
  | WITHOUT ANY WARRANTY; without even the implied warranty of         |
  | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.               |
  | See the GNU Affero General Public License for more details.        |
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  | You should have received a copy of the GNU Affero General Public   |
  | License and the CiviCRM Licensing Exception along                  |
  | with this program; if not, contact CiviCRM LLC                     |
  | at info[AT]civicrm[DOT]org. If you have questions about the        |
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 */

/**
 *  File for the DateTest class
 *
 *  (PHP 5)
 *
 * @author Jon Goldberg <jon@megaphonetech.com>
 */

/**
 *  Test CRM_Utils_Date functions.
 *
 * @package   CiviCRM
 * @group headless
 */
class CRM_Utils_DateTest extends CiviUnitTestCase {

  public function setUp() {
    // There are only unit tests here at present, we can skip database loading.
    return TRUE;
  }

  public function tearDown() {
    // There are only unit tests here at present, we can skip database loading.
    return TRUE;
  }

  public function fromToData() {
    $cases = array();
    // Absolute dates
    $cases[] = array('20170901000000', '20170913235959', 0, '09/01/2017', '09/13/2017');
    // "Today" relative date filter
    $date = new DateTime();
    $expectedFrom = $date->format('Ymd') . '000000';
    $expectedTo = $date->format('Ymd') . '235959';
    $cases[] = array($expectedFrom, $expectedTo, 'this.day', '', '');
    // "yesterday" relative date filter
    $date = new DateTime();
    $date->sub(new DateInterval('P1D'));
    $expectedFrom = $date->format('Ymd') . '000000';
    $expectedTo = $date->format('Ymd') . '235959';
    $cases[] = array($expectedFrom, $expectedTo, 'previous.day', '', '');
    return $cases;
  }

  /**
   * Test that getFromTo returns the correct dates.
   *
   * @dataProvider fromToData
   * @param $expectedFrom
   * @param $expectedTo
   * @param $relative
   * @param $from
   * @param $to
   */
  public function testGetFromTo($expectedFrom, $expectedTo, $relative, $from, $to) {
    $obj = new CRM_Utils_Date();
    list($calculatedFrom, $calculatedTo) = $obj->getFromTo($relative, $from, $to);
    $this->assertEquals($expectedFrom, $calculatedFrom);
    $this->assertEquals($expectedTo, $calculatedTo);
  }

}