public void testAddCopiesCreatesUniqueIds() throws Exception {
List copies = gateway.addCopies(new Book("isbn", "War and Peace", "Tolstoy"), 3);
assertEquals(3, copies.size());
assertEquals(5, gateway.findAllCopies("isbn").size());
Set ids = new HashSet();
for (Iterator iter = gateway.findAllCopies("isbn").iterator(); iter.hasNext(); )
ids.add(((MediaCopy) iter.next()).getId());
assertEquals(5, ids.size());
}
public void testFindAvailableCopyReturnsNullWhenCopyIsBorrowed() throws Exception {
gateway.addCopy(new Book("isbn2", "Peace and War", "Toy Story")).getId();
List copies = gateway.findAllCopies("isbn2");
MediaCopy copy = (MediaCopy) copies.get(0);
copy.setLoaned(new LoanReceipt(new Patron(DateUtil.dateFromString("1/1/2000"))));
assertEquals(null, gateway.findAvailableCopy("isbn2"));
}
public void testFindAvailableCopyReturnsCopyWhenOneCopyOfManyIsBorrowed() throws Exception {
gateway.addCopies(new Book("isbn1", "Peace and War 1", "Toy Story"), 2);
List copies = gateway.findAllCopies("isbn1");
MediaCopy copy = (MediaCopy) copies.get(0);
copy.setLoaned(new LoanReceipt(new Patron(DateUtil.dateFromString("1/1/2000"))));
assertNotNull(gateway.findAvailableCopy("isbn1"));
}
public void testCanFindMoreThanOneBook() throws Exception {
List copies = gateway.findAllCopies("isbn");
assertEquals(2, copies.size());
assertTrue(copies.contains(copy1));
assertTrue(copies.contains(copy2));
}