add test for fetch_remaining

tests/test_pagination.py

@@ -3,10 +3,10 @@ from contextlib import contextmanager
 
 
 @contextmanager
-def many_statuses(api, n=10):
+def many_statuses(api, n=10, suffix=''):
     statuses = list()
     for i in range(n):
-        status = api.status_post("Toot number {}!".format(i))
+        status = api.status_post("Toot number {}!{}".format(i, suffix))
         statuses.append(status)
     yield statuses
     for status in statuses:
@@ -22,3 +22,13 @@ def test_fetch_next_previous(api):
         assert next_statuses
         previous_statuses = api.fetch_previous(next_statuses)
         assert previous_statuses
+
+
+@pytest.mark.vcr()
+def test_fetch_remaining(api):
+    UNLIKELY_HASHTAG = "fgiztsshwiaqqiztpmmjbtvmescsculuvmgjgopwoeidbcrixp"
+    with many_statuses(api, n=30, suffix=' #'+UNLIKELY_HASHTAG):
+        hashtag = api.timeline_hashtag(UNLIKELY_HASHTAG, limit=10)
+        hashtag_remaining = api.fetch_remaining(hashtag)
+        assert hashtag_remaining
+        assert len(hashtag_remaining) >= 30