<?php
class TestStatistics extends UnitTestCase{

	public function TestStatistics(){
		$this->UnitTestCase('this File test the provides some function for statistics ');
	}

	public function setUp(){
		$this-> statisc = new Statistics();
	}

	public function tearDown(){
		$this->statisc = null;
	}

	public function testMakeSizeString(){
		$size=20960000;
		$res = Statistics::make_size_string($size);
		$this->assertTrue(is_string($res));
		//var_dump($res);
	}

	/**
	 * Count courses
	 * @param string $category_code  Code of a course category. Default: count
	 * all courses.
	 * @return int Number of courses counted
	 */
	public function testCountCourses(){
		$res = Statistics::count_courses();
		$this->assertTrue(is_numeric($res));
		//var_dump($res);
	}

	public function testCountUsers(){
		$user_id ='1';
		$category_code = NULL;
		$course_code='ABC';
		$firstName='Jhon'; $lastName='Doe'; $status='1'; $email='localhost@localhost.com'; $loginName='admin'; $password='admin';
		$count_invisible_courses = true;
		$res = Statistics::count_users($status, $category_code, $count_invisible_courses);
		$this->assertTrue(is_numeric($res));
		$this->assertTrue(count($res)===0 || count($res)!==0);
	}

	public function testGetNumberOfActivities() {
		$resu = Statistics::get_number_of_activities();
		if(!is_null($resu)){
		$this->assertTrue(is_numeric($resu));
		$this->assertTrue(count($resu)==0 || count($resu)!==0);
		}
	}

	/**
	 * Get activities data to display
	 */
	public function testGetActivitiesData(){
		global $dateTimeFormatLong;
		$from = 0;
		$number_of_items = 30;
		$column = '';
		$direction = 'ASC';
		$resu = Statistics::get_activities_data($from, $number_of_items, $column, $direction);
    	$this->assertTrue(is_array($resu));
    }

	/**
	 * Get all course categories
	 * @return array All course categories (code => name)
	 */
    public function testGetCourseCategories(){
    	$res = Statistics::get_course_categories();
    	$this->assertTrue($res);
    	//var_dump($res);
    }

    public function testRescale(){
    	$data=array('test','test2','test3');
    	$max = 500;
    	$res = Statistics::rescale($data, $max);
    	$this->assertTrue($res);
    	$this->assertTrue(is_array($res));
    	//var_dump($res);
    }

    public function testPrintStats(){
    	ob_start();
    	$title='testing';
    	$stats=array('test','test2','test3');
    	$show_total = true;
    	$is_file_size = false;
    	$res = Statistics::print_stats($title, $stats, $show_total = true, $is_file_size = false);
    	ob_end_clean();
    	$this->assertTrue(is_null($res));
    	//var_dump($res);
    }

    public function testPrintLoginStats(){
    	ob_start();
    	$type='month';
    	$resu = Statistics::print_login_stats($type);
    	ob_end_clean();
        $this->assertTrue(is_null($resu));
    	//var_dump($resu);
	}

    public function testPrintRecenLoginStats(){
		ob_start();
    	$res = Statistics::print_recent_login_stats();
    	ob_end_clean();
    	$this->assertTrue(is_null($res));
    	//var_dump($res);
    }

    public function testPrintToolStats(){
    	ob_start();
    	$resu = Statistics::print_tool_stats();
    	ob_end_clean();
    	$this->assertTrue(is_null($resu));
    }

    public function testPrintCourseByLanguageStats(){
    	ob_start();
    	$resu = Statistics::print_course_by_language_stats();
    	ob_end_clean();
    	$this->assertTrue(is_null($resu));
    	//var_dump($resu);
    }

    public function testPrintUserPicturesStats(){
    	ob_start();
       	$resu = Statistics::print_user_pictures_stats();
    	ob_end_clean();
    	$this->assertTrue(is_null($resu));
    }

    public function testPrintActivitiesStats(){
    	ob_start();
    	$res = Statistics::print_activities_stats();
   		ob_end_clean();
   		$this->assertTrue(is_null($res));
   		//var_dump($res);
    }

    public function testPrintCourseLastVisit(){
    	ob_start();
    	$column='';
    	$direction='';
	    $parameters['action'] = 'courselastvisit';
	   	$res = Statistics::print_course_last_visit();
    	ob_end_clean();
    	$this->assertTrue(is_null($res));
    }
}
?>