@Test
public void testMailRollsOff() {
MailMessage firstMessage = new MailMessageImpl();
firstMessage.appendBody("First Post!");
mailStore.addMessage(firstMessage);
assertEquals("First Post!", mailStore.getMessage(0).getBody());
for (int i = 0; i < 100; i++) {
addAMessage();
}
assertEquals(100, mailStore.getEmailCount());
assertEquals("", mailStore.getMessage(0).getBody());
}
@Test
public void testGettingMailFromEmptyMailStoreThrowsIndexOutOfBounds() {
try {
mailStore.getMessage(0);
fail("Should have raised exception.");
} catch (IndexOutOfBoundsException ignored) {
}
}
public void anticipateMessageCountFor(int messageCount, int ticks) {
int tickdown = ticks;
while (mailStore.getEmailCount() < messageCount && tickdown > 0) {
tickdown--;
try {
Thread.sleep(1);
} catch (InterruptedException e) {
return;
}
}
}
public int getEmailCount() {
return mailStore.getEmailCount();
}
public MailMessage getMessage(int i) {
return mailStore.getMessage(i);
}
public MailMessage[] getMessagesFor(String recipient) {
// TODO Is there a way to implement this without any interface change?
return mailStore instanceof RecipientMailStore
? ((RecipientMailStore) mailStore).getMessageFor(recipient)
: mailStore.getMessages();
}
public MailMessage[] getMessages() {
return mailStore.getMessages();
}
@Test
public void testGettingMail0FromMailStoreWithAnItemWorks() {
addAMessage();
assertNotNull(mailStore.getMessage(0));
}
@Test
public void testAddOneMessageLeavesOneMailInMailMessagesArray() {
addAMessage();
assertEquals(1, mailStore.getMessages().length);
}
@Test
public void testNewMailStoreHasEmptyMailList() {
assertEquals(0, mailStore.getMessages().length);
}
private void addAMessage() {
MailMessage message = new MailMessageImpl();
mailStore.addMessage(message);
}
@Test
public void testAddOneMessageLeavesOneMail() {
addAMessage();
assertEquals(1, mailStore.getEmailCount());
}
@Test
public void testNewMailStoreHasNoMail() {
assertEquals(0, mailStore.getEmailCount());
}