/** Verify that a polling operation returns in fact 3 results. */
@Test
public void testPollForTweetsThreeResults() {
final TwitterTemplate twitterTemplate;
final SearchOperations so = mock(SearchOperations.class);
final List<Tweet> tweets = new ArrayList<Tweet>();
tweets.add(mock(Tweet.class));
tweets.add(mock(Tweet.class));
tweets.add(mock(Tweet.class));
final SearchResults results = new SearchResults(tweets, new SearchMetadata(111, 111));
twitterTemplate = mock(TwitterTemplate.class);
when(twitterTemplate.searchOperations()).thenReturn(so);
SearchParameters params = new SearchParameters(SEARCH_QUERY).count(20).sinceId(0);
when(twitterTemplate.searchOperations().search(params)).thenReturn(results);
final SearchReceivingMessageSource messageSource =
new SearchReceivingMessageSource(twitterTemplate, "foo");
messageSource.setQuery(SEARCH_QUERY);
final List<Tweet> tweetSearchResults = messageSource.pollForTweets(0);
assertNotNull(tweetSearchResults);
assertEquals(3, tweetSearchResults.size());
}
/**
* This test ensures that when polling for a list of Tweets null is never returned. In case of no
* polling results, an empty list is returned instead.
*/
@Test
public void testPollForTweetsNullResults() {
final TwitterTemplate twitterTemplate = mock(TwitterTemplate.class);
final SearchOperations so = mock(SearchOperations.class);
when(twitterTemplate.searchOperations()).thenReturn(so);
when(twitterTemplate.searchOperations().search(SEARCH_QUERY, 20, 0, 0)).thenReturn(null);
final SearchReceivingMessageSource messageSource =
new SearchReceivingMessageSource(twitterTemplate, "foo");
messageSource.setQuery(SEARCH_QUERY);
final String setQuery = TestUtils.getPropertyValue(messageSource, "query", String.class);
assertEquals(SEARCH_QUERY, setQuery);
assertEquals("twitter:search-inbound-channel-adapter", messageSource.getComponentType());
final List<Tweet> tweets = messageSource.pollForTweets(0);
assertNotNull(tweets);
assertTrue(tweets.isEmpty());
}