@Test
public void testDuplicateUnregister() throws Exception {
_registry.register(FOO);
_registry.unregister(FOO);
_registry.unregister(FOO);
}
@Test
public void testServiceNodeIsDeletedWhenRegistryIsClosed() throws Exception {
ZooKeeperPersistentEphemeralNode node = mock(ZooKeeperPersistentEphemeralNode.class);
when(_nodeFactory.create(anyString(), any(byte[].class))).thenReturn(node);
_registry.register(FOO);
_registry.close();
verify(node).close(anyLong(), any(TimeUnit.class));
}
@Test
public void testDuplicateRegister() throws Exception {
ZooKeeperPersistentEphemeralNode firstNode = mock(ZooKeeperPersistentEphemeralNode.class);
ZooKeeperPersistentEphemeralNode secondNode = mock(ZooKeeperPersistentEphemeralNode.class);
when(_nodeFactory.create(anyString(), any(byte[].class))).thenReturn(firstNode, secondNode);
_registry.register(FOO);
_registry.register(FOO);
verify(_nodeFactory, times(2)).create(eq(FOO_PATH), Matchers.<byte[]>any());
verify(firstNode).close(anyLong(), any(TimeUnit.class));
}
@Test
public void testRegister() throws Exception {
ZooKeeperPersistentEphemeralNode node = mock(ZooKeeperPersistentEphemeralNode.class);
when(_nodeFactory.create(anyString(), any(byte[].class))).thenReturn(node);
_registry.register(FOO);
ArgumentCaptor<byte[]> dataCaptor = ArgumentCaptor.forClass(byte[].class);
verify(_nodeFactory).create(eq(FOO_PATH), dataCaptor.capture());
assertEquals(FOO, ServiceEndPointJsonCodec.fromJson(new String(dataCaptor.getValue())));
verify(node, never()).close(anyLong(), any(TimeUnit.class));
}
@Test(expected = IllegalStateException.class)
public void testLargePayloadSize() {
int padding = ServiceEndPointJsonCodec.toJson(FOO).getBytes(Charsets.UTF_8).length;
String payload = Strings.repeat("x", MAX_DATA_SIZE - padding);
_registry.register(newEndPoint(FOO.getServiceName(), FOO.getId(), payload), false);
}
@Test(expected = IllegalStateException.class)
public void testUnregisterAfterClose() throws Exception {
_registry.close();
_registry.unregister(FOO);
}
@Test(expected = NullPointerException.class)
public void testUnregisterNullService() throws Exception {
_registry.unregister(null);
}
@After
public void teardown() throws Exception {
_registry.close();
}
@Test
public void testUnregisterWithoutFirstRegistering() throws Exception {
_registry.unregister(FOO);
verify(_nodeFactory, never()).create(eq(FOO_PATH), Matchers.<byte[]>any());
}
@Test
public void testEmptyPayload() {
_registry.register(newEndPoint(FOO.getServiceName(), FOO.getId(), ""), false);
}
@Test
public void testMediumPayloadSize() {
int padding = ServiceEndPointJsonCodec.toJson(FOO).getBytes(Charsets.UTF_8).length;
String payload = Strings.repeat("x", MAX_DATA_SIZE - padding - 1);
_registry.register(newEndPoint(FOO.getServiceName(), FOO.getId(), payload), false);
}