def test_clusters_from_uc_file(self):
""" clusters_from_uc_file functions as expected """
expected_clusters = {'s2': ['s2', 's3']}
expected_failures = ['s1']
expected_new_seeds = ['s2']
self.assertEqual(clusters_from_uc_file(self.uc_lines1),
(expected_clusters, expected_failures, expected_new_seeds))
def test_clusters_from_uc_file_multiple_hits(self):
""" clusters_from_uc_file handles error_on_multiple_hits correctly
"""
# when a query hits multiple hits and error_on_multiple_hits=True
# an error should be raised
self.assertRaises(UclustParseError,
clusters_from_uc_file,
self.uc_lines_w_multiple_hits_per_query,
error_on_multiple_hits=True)
# when a query hits multiple hits and error_on_multiple_hits=False
# the query should show up in multiple clusters
actual = clusters_from_uc_file(self.uc_lines_w_multiple_hits_per_query,
error_on_multiple_hits=False)
expected_clusters = {'s2': ['s2', 's3'],
's4': ['s4', 's3']}
expected_failures = ['s1']
expected_new_seeds = ['s2', 's4']
self.assertEqual(actual,
(expected_clusters, expected_failures, expected_new_seeds))