@Test
public void testFindAllAsynchronouslyWithFallback()
throws ExecutionException, InterruptedException {
int commandCount = 1;
int fallbackCount = 2;
List<User> users = restClient.findAllAsync(3, 10).get();
assertEquals(1, users.size());
assertEquals(DEF_USER, users.get(0));
assertEquals(
commandCount + fallbackCount,
HystrixRequestLog.getCurrentRequest().getExecutedCommands().size());
HystrixCommand findAllAsyncCommand = getHystrixCommandByKey("findAllAsync");
HystrixCommand findAllFallbackCommand = getHystrixCommandByKey("findAllFallback");
HystrixCommand findAllFallback2Command = getHystrixCommandByKey("findAllFallback2");
assertTrue(findAllAsyncCommand.isFailedExecution());
assertTrue(findAllFallbackCommand.isFailedExecution());
assertTrue(findAllFallback2Command.isExecutionComplete());
assertExecutedCommands("findAllAsync", "findAllFallback", "findAllFallback2");
// confirm that initial command has failed
assertTrue(findAllAsyncCommand.getExecutionEvents().contains(HystrixEventType.FAILURE));
// confirm that fallback has failed
assertTrue(findAllFallbackCommand.getExecutionEvents().contains(HystrixEventType.FAILURE));
// and that last fallback was successful
assertTrue(
findAllFallbackCommand.getExecutionEvents().contains(HystrixEventType.FALLBACK_SUCCESS));
}
@Test(expected = HystrixBadRequestException.class)
public void testGetUserByNameIgnoreBadRequestException() {
restClient.getUserByNameIgnoreExc(" ");
assertEquals(1, HystrixRequestLog.getCurrentRequest().getExecutedCommands().size());
HystrixCommand getUserByNameIgnoreExc = getHystrixCommandByKey("getUserByNameIgnoreExc");
assertTrue(getUserByNameIgnoreExc.getExecutionEvents().contains(HystrixEventType.FAILURE));
}
@Test
public void testGetUserByIdSuccess() {
User user = restClient.getUserById("1");
User exUser = new User("1", "Alex");
assertExecutedCommands("GetUserByIdCommand");
assertEquals(1, HystrixRequestLog.getCurrentRequest().getExecutedCommands().size());
HystrixCommand getUserByIdCommand = getHystrixCommandByKey("GetUserByIdCommand");
assertEquals("SimpleRestClient", getUserByIdCommand.getCommandGroup().name());
assertEquals("GetUserByIdCommand", getUserByIdCommand.getCommandKey().name());
assertEquals(exUser, user);
// confirm that command has success
assertTrue(getUserByIdCommand.getExecutionEvents().contains(HystrixEventType.SUCCESS));
}
@Test
public void testGetUserByIdWithFallback() {
User user = restClient.getUserById("non-exists");
assertExecutedCommands("GetUserByIdCommand", "getUserByIdSecondary");
HystrixCommand getUserByIdCommand = getHystrixCommandByKey("GetUserByIdCommand");
assertEquals("SimpleRestClient", getUserByIdCommand.getCommandGroup().name());
assertEquals("GetUserByIdCommand", getUserByIdCommand.getCommandKey().name());
assertEquals(DEF_USER, user);
// confirm that command has failed
assertTrue(getUserByIdCommand.getExecutionEvents().contains(HystrixEventType.FAILURE));
// and that fallback was successful
assertTrue(getUserByIdCommand.getExecutionEvents().contains(HystrixEventType.FALLBACK_SUCCESS));
}
@Test
public void testGetUserByIdAsynchronouslyWithFallback()
throws ExecutionException, InterruptedException {
Future<User> userFuture = restClient.getUserByIdAsync("non-exists");
User exUser = userFuture.get();
assertExecutedCommands("getUserByIdAsync", "getUserByIdSecondary");
HystrixCommand getUserByIdCommand = getHystrixCommandByKey("getUserByIdAsync");
assertEquals("SimpleRestClient", getUserByIdCommand.getCommandGroup().name());
assertEquals("getUserByIdAsync", getUserByIdCommand.getCommandKey().name());
assertEquals(DEF_USER, exUser);
// confirm that command has failed
assertTrue(getUserByIdCommand.getExecutionEvents().contains(HystrixEventType.FAILURE));
// and that fallback was successful
assertTrue(getUserByIdCommand.getExecutionEvents().contains(HystrixEventType.FALLBACK_SUCCESS));
}
@Test
public void testGetUserByName() {
User user = restClient.getUserByName("timeout");
assertExecutedCommands("GetUserByNameCommand");
assertEquals(DEF_USER, user);
assertEquals(1, HystrixRequestLog.getCurrentRequest().getExecutedCommands().size());
HystrixCommand<?> hystrixCommand =
HystrixRequestLog.getCurrentRequest()
.getExecutedCommands()
.toArray(new HystrixCommand<?>[1])[0];
assertEquals("GetUserByNameCommand", hystrixCommand.getCommandKey().name());
assertEquals("SimpleRestClientTest", hystrixCommand.getThreadPoolKey().name());
assertFalse(hystrixCommand.isExecutedInThread());
assertEquals(
Integer.valueOf(500),
hystrixCommand.getProperties().executionIsolationThreadTimeoutInMilliseconds().get());
// confirm that command has failed
assertTrue(hystrixCommand.getExecutionEvents().contains(HystrixEventType.FAILURE));
// and that fallback was successful
assertTrue(hystrixCommand.getExecutionEvents().contains(HystrixEventType.FALLBACK_SUCCESS));
}