public function testGetSetWhichDaysDoYouDrink()
 {
     $expected = 'Mon, Tues, Wed';
     $this->assertEmpty($this->instance->getWhichDaysDoYouDrink());
     $this->assertInstanceOf(Drinking::class, $this->instance->setWhichDaysDoYouDrink($expected));
     $this->assertEquals($expected, $this->instance->getWhichDaysDoYouDrink());
 }
 /**
  * @param Drinking $drinking
  * @return int
  */
 protected function calculateWeeklyDrinkingUnits(Drinking $drinking)
 {
     $units = 0;
     foreach ($this->days as $section => $days) {
         $drinkingDays = count(array_intersect($days, explode(', ', $drinking->getWhichDaysDoYouDrink())));
         $sectionUnits = $this->calculateDrinkingUnits($drinking, $section);
         $units += $drinkingDays * $sectionUnits;
     }
     return $units;
 }
 /**
  * @param Drinking $drinking
  * @return array
  */
 public static function extractDrinking(Drinking $drinking)
 {
     return array_merge(array("drinkingDoYouDrink" => $drinking->getDoYouDrink(), "drinkingFrequency" => $drinking->getWhichDaysDoYouDrink()), self::extractDrinksForExport($drinking->getWeekdayDrinks()), self::extractDrinksForExport($drinking->getWeekendDrinks(), 'weekend'), self::extractDrinksForExport($drinking->getOccasionalDrinks(), 'occasional'), array("hasBinged" => $drinking->getBingingFrequency(), "drinkingCompleted" => $drinking->isCompleted(), "drinkingRag" => $drinking->getRagScore()['rag']));
 }