@Test
public void testProduceConsumeMultiMessage() {
PersistentQueue<Message> queue = new PersistentQueue<Message>("jk.store");
queue.init();
for (int i = 0; i < 10; i++) {
assertTrue(queue.produce(new Message(i)), "always success");
}
for (int i = 0; i < 10; i++) {
Message expected = queue.consume();
Assert.assertEquals(i, expected.index(), "Comparing index value");
Assert.assertEquals(
"My name is JK and I am a crap living in Singapore !@#$$%^^&&",
expected.value(), "Comparing message value");
}
Assert.assertNull(queue.consume(), "Already Popped, so it should not be available");
queue = new PersistentQueue<Message>("jk.store");
queue.init();
Assert.assertNull(queue.consume(), "Already Popped, so it should not be available");
////////////////
queue = new PersistentQueue<Message>("jk.store");
queue.init();
for (int i = 11; i <= 20; i++) {
assertTrue(queue.produce(new Message(i)), "always success");
}
for (int i = 11; i <= 20; i++) {
Message expected = queue.consume();
Assert.assertEquals(i, expected.index(), "Comparing index value");
Assert.assertEquals(
"My name is JK and I am a crap living in Singapore !@#$$%^^&&",
expected.value(), "Comparing message value");
}
}
@Test
public void testProduceConsumeMultiMessageTwoFileOpens() {
PersistentQueue<Message> queue = new PersistentQueue<Message>("jk.store");
queue.init();
for (int i = 0; i < 10; i++) {
assertTrue(queue.produce(new Message(i)), "always success");
}
queue.close();
queue = new PersistentQueue<Message>("jk.store");
queue.init();
for (int i = 0; i < 10; i++) {
Message expected = queue.consume();
Assert.assertEquals(i, expected.index(), "Comparing index value");
Assert.assertEquals(
"My name is JK and I am a crap living in Singapore !@#$$%^^&&",
expected.value(), "Comparing message value");
}
for (int i = 11; i <= 20; i++) {
assertTrue(queue.produce(new Message(i)), "always success");
}
for (int i = 11; i <= 20; i++) {
Message expected = queue.consume();
Assert.assertEquals(i, expected.index(), "Comparing index value");
Assert.assertEquals(
"My name is JK and I am a crap living in Singapore !@#$$%^^&&",
expected.value(), "Comparing message value");
}
}
@Test
public void testProduceConsumeSingleMessage() {
PersistentQueue<Message> queue = new PersistentQueue<Message>("jk.store");
queue.init();
final Message actual = new Message(1);
queue.produce(actual);
Message expected = queue.consume();
Assert.assertEquals(actual.index(), expected.index(), "Comparing index value");
Assert.assertEquals(actual.value(), expected.value(), "Comparing message value");
Assert.assertNull(queue.consume(), "Already Popped, so it should not be available");
queue = new PersistentQueue<Message>("jk.store");
queue.init();
Assert.assertNull(queue.consume(), "Already Popped, so it should not be available");
}