@Test
public void testRemoveProduct() {
Product productFirst = new Product("manufacturer", "title", 0.5);
Product productFake = new Product("manufacturer", "fake", 0.75);
productStorage.add(productFirst);
String expected =
String.format("The product %s is absent in Product Storage", productFake.getTitle());
try {
productStorage.remove(productFake);
} catch (IllegalArgumentException e) {
assertEquals(expected, e.getMessage());
}
}
@Test
public void testAddProducts() {
product = new Product("manufacturer", "title", 0.5);
boolean addStatus = productStorage.add(product);
Map<String, List<Product>> actual = productStorage.getProducts();
Map<String, List<Product>> expected =
new HashMap<String, List<Product>>() {
{
put(product.getProductID(), Collections.singletonList(product));
}
};
assertTrue(addStatus);
assertEquals(expected, actual);
assertEquals(1, actual.get(product.getProductID()).size());
}
@Test
public void testAddSameProducts() {
final Product productFirst = new Product("manufacturer", "title", 0.5);
final Product sameProductSecond = new Product("manufacturer", "title", 0.5);
final String productID = productFirst.getProductID();
productStorage.add(productFirst);
boolean addStatus = productStorage.add(sameProductSecond);
Map<String, List<Product>> actual = productStorage.getProducts();
Map<String, List<Product>> expected =
new HashMap<String, List<Product>>() {
{
put(productID, Arrays.asList(productFirst, sameProductSecond));
}
};
assertTrue(addStatus);
assertEquals(expected, actual);
assertEquals(2, actual.get(productID).size());
}