@Test
public void shouldPutCoffeeStatusMessagesInQueue() {
CoffeeStatus coffeeStatus1 = new CoffeeStatus();
CoffeeStatus coffeeStatus2 = new CoffeeStatus();
coffeeStatusProcessor.coffeeStatus(coffeeStatus1);
coffeeStatusProcessor.coffeeStatus(coffeeStatus2);
Assert.assertThat(coffeeStatusProcessor.getCoffeeStatusList().size(), is(2));
}
@Test
public void shouldDoNothingWhenThereAreNoStatuses() throws Exception {
HeartbeatEvent heartbeatEvent = new HeartbeatEvent();
coffeeStatusProcessor.heartbeatEvent(heartbeatEvent);
verify(mockHttpClient, times(0)).execute(Matchers.<HttpUriRequest>any());
}
@Test
public void shouldNotClearStatusWhenIOExceptionThrown() throws Exception {
try {
when(mockHttpClient.execute(Matchers.<HttpUriRequest>any())).thenThrow(IOException.class);
updateStatusAndPost(new CoffeeStatus());
Assert.fail("No exception thrown");
} catch (IOException e) {
Assert.assertThat(coffeeStatusProcessor.getCoffeeStatusList().size(), is(1));
}
}
@Test
public void shouldUseOnlyLastCoffeeStatusForUpdates() throws Exception {
CoffeeStatus coffeeStatus1 = new CoffeeStatus();
CoffeeStatus coffeeStatus2 = new CoffeeStatus();
coffeeStatus2.cupsRemaining = 999;
coffeeStatus2.carafePresent = true;
coffeeStatus2.lastBrewed = 888;
coffeeStatusProcessor.coffeeStatus(coffeeStatus1);
coffeeStatusProcessor.coffeeStatus(coffeeStatus2);
HeartbeatEvent heartbeatEvent = new HeartbeatEvent();
coffeeStatusProcessor.heartbeatEvent(heartbeatEvent);
ArgumentCaptor<HttpPost> httpPostArgumentCaptor = ArgumentCaptor.forClass(HttpPost.class);
verify(mockHttpClient, times(1)).execute(httpPostArgumentCaptor.capture());
HttpPost httpPost = httpPostArgumentCaptor.getValue();
String content = IOUtils.toString(httpPost.getEntity().getContent());
String carafePresentString =
coffeeStatusProcessor.getCarafePresentName()
+ "="
+ Boolean.toString(coffeeStatus2.carafePresent);
String cupsRemainingString =
coffeeStatusProcessor.getCupsRemainingName()
+ "="
+ String.valueOf(coffeeStatus2.cupsRemaining);
String lastBrewedString =
coffeeStatusProcessor.getLastBrewedName() + "=" + String.valueOf(coffeeStatus2.lastBrewed);
Assert.assertThat(content, containsString(carafePresentString));
Assert.assertThat(content, containsString(cupsRemainingString));
Assert.assertThat(content, containsString(lastBrewedString));
}
private void updateStatusAndPost(CoffeeStatus coffeeStatus) throws Exception {
coffeeStatusProcessor.coffeeStatus(coffeeStatus);
Assert.assertThat(coffeeStatusProcessor.getCoffeeStatusList().size(), is(1));
HeartbeatEvent heartbeatEvent = new HeartbeatEvent();
coffeeStatusProcessor.heartbeatEvent(heartbeatEvent);
}
@Test
public void shouldClearQueueAfterHeartbeat() throws Exception {
updateStatusAndPost(new CoffeeStatus());
Assert.assertThat(coffeeStatusProcessor.getCoffeeStatusList().size(), is(0));
}
