package de.hs_fulda.ciip.projjpn;

import junit.framework.TestCase;

public class WarehouseTest extends TestCase {
	/**
	 * Check if the insertion of an Item works properly.
	 */
	public void test_insertItemInWarehouse() {
		// Given
		Warehouse warehouse = new Warehouse();

		String expectedTitel = "Logitec Maus";
		String expectedDescription = "Gaming Maus fuer Fortgeschrittene.";
		int expectedQuantity = 10;
		float expectedPrice = 69.69f;

		// When
		Item expectedItem = new Item(expectedTitel, expectedDescription, expectedQuantity, expectedPrice);
		assertNotNull(expectedItem);
		warehouse.insertItem(expectedItem);

		Item gotItem = warehouse.pool.get(expectedTitel);

		// Then
		assertEquals(expectedTitel, gotItem.getTitel());
	}

	/**
	 * Test the total Sum of Items in the whole Warehouse.
	 */
	public void test_growingCountOfItemsInWarehouse() {
		// Given
		Warehouse warehouse = new Warehouse();
		int unitsPerItemType = 3;
		int expectedSize = 13;
		for (int i = 0; i < expectedSize; i++) {
			Item item = new Item("ItemDummy" + i, "DescriptionDummy" + i, unitsPerItemType, 12.0f);
			warehouse.insertItem(item);
		}
		int expectedSum = expectedSize * unitsPerItemType;
		int actualSumOfAllItems = warehouse.getCountOfStock();

		// Then
		assertEquals(expectedSum, actualSumOfAllItems);
	}

	/**
	 * Empty Warehouse means there are a total of zero Items.
	 */
	public void test_emptyWarehouse() {
		// Given
		Warehouse warehouse = new Warehouse();

		// When
		int expectedSum = 0;

		// Then
		int actualSumOfAllItems = warehouse.getCountOfStock();
		assertEquals(expectedSum, actualSumOfAllItems);

	}
}