class MBoxReaderTests(unittest.TestCase):
"""
Testing the mbox reader for email extraction.
"""
def setUp(self):
self.reader = MBoxReader(MBOX)
def tearDown(self):
self.reader = None
def test_header_analysis(self):
"""
Test the header analysis functionality
"""
headers = self.reader.header_analysis()
self.assertEqual(len(headers), 25)
with open(HEADERS, 'r') as f:
expected = json.load(f)
for header, count in expected.items():
self.assertEqual(count, headers[header])
def test_count(self):
"""
Test that the number of emails is expected
"""
self.assertEqual(self.reader.count(), 140)
self.assertEqual(self.reader.count(), len(self.reader))
def test_extract(self):
"""
Make sure that extract does not error
"""
for idx, msg in enumerate(self.reader.extract()):
# Some simple type checking
self.assertIsInstance(msg, EmailMeta)
self.assertIsInstance(msg.sender, EmailAddress)
self.assertIsInstance(msg.recipients, list)
self.assertIsInstance(msg.copied, list)
self.assertIsInstance(msg.subject, string_types + (None, ))
self.assertIsInstance(msg.date, (datetime, None))
self.assertEqual(idx + 1, 140)
def test_graph_extract(self):
"""
Make sure that extract graph does not error
"""
G = self.reader.extract_graph()
self.assertEqual(nx.number_of_nodes(G), 7)
self.assertEqual(nx.number_of_edges(G), 6)
self.assertFalse(nx.is_directed(G))
def timed_inner(path):
reader = MBoxReader(path)
return reader.count()