@Test
public void testGetShoppingListForDiscountItem() throws Exception {
ShoppingChart shoppingChart = new ShoppingChart();
shoppingChart.add(new Item("ITEM000004", "电池", "个", 2.00, 0.8));
ShoppingListChart shoppingListChart = new ShoppingListChart(shoppingChart);
Pos pos = new Pos();
String result = pos.getShoppingList(shoppingListChart);
String expectedShoppingList =
"***商店购物清单***\n"
+ "名称：电池，数量：1个，单价：2.00(元)，小计：1.60(元)\n"
+ "----------------------\n"
+ "总计：1.60(元)\n"
+ "节省：0.40(元)\n"
+ "**********************\n";
assertThat(result, is(expectedShoppingList));
}
@Test
public void testGetShoppingListForDoubleItem() throws Exception {
ShoppingChart shoppingChart = new ShoppingChart();
shoppingChart.add(new Item("ITEM000000", "可口可乐", "瓶", 3.00, 1));
shoppingChart.add(new Item("ITEM000000", "可口可乐", "瓶", 3.00, 1));
ShoppingListChart shoppingListChart = new ShoppingListChart(shoppingChart);
Pos pos = new Pos();
String result = pos.getShoppingList(shoppingListChart);
String expectedShoppingList =
"***商店购物清单***\n"
+ "名称：可口可乐，单价：3.00(元)，小计：6.00(元)\n"
+ "----------------------\n"
+ "总计：6.00(元)\n"
+ "**********************\n";
assertThat(result, is(expectedShoppingList));
}