File: test_forwarder.py

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"""Test the pyzor.forwarder module
"""
import time
import unittest
import threading

try:
    from unittest.mock import call, Mock
except ImportError:
    from mock import call, Mock

import pyzor.forwarder


class ForwarderTest(unittest.TestCase):
    def setUp(self):
        unittest.TestCase.setUp(self)

    def tearDown(self):
        unittest.TestCase.tearDown(self)

    def test_queue(self):
        client = Mock()
        servlist = []
        max_qsize = 10
        forwarder = pyzor.forwarder.Forwarder(
            client, servlist, max_queue_size=max_qsize
        )
        for _ in range(max_qsize * 2):
            forwarder.queue_forward_request("975422c090e7a43ab7c9bf0065d5b661259e6d74")
            self.assertGreater(
                forwarder.forward_queue.qsize(), 0, "queue insert failed"
            )
            self.assertLessEqual(
                forwarder.forward_queue.qsize(), max_qsize, "queue overload"
            )
        self.assertEqual(
            forwarder.forward_queue.qsize(),
            max_qsize,
            "queue should be full at this point",
        )
        t = threading.Thread(target=forwarder._forward_loop)
        t.start()
        time.sleep(1)
        self.assertEqual(forwarder.forward_queue.qsize(), 0, "queue should be empty")
        forwarder.stop_forwarding()
        t.join(5)
        self.assertFalse(t.is_alive(), "forward thread did not end")

    def test_remote_servers(self):
        client = Mock()
        digest = "975422c090e7a43ab7c9bf0065d5b661259e6d74"
        servlist = [("test1.example.com", 24441), ("test2.example.com", 24442)]
        forwarder = pyzor.forwarder.Forwarder(client, servlist)

        forwarder.queue_forward_request(digest)
        forwarder.queue_forward_request(digest, whitelist=True)

        forwarder.start_forwarding()
        time.sleep(2)
        forwarder.stop_forwarding()

        client.report.assert_has_calls(
            [call(digest, servlist[0]), call(digest, servlist[1])]
        )
        client.whitelist.assert_has_calls(
            [call(digest, servlist[0]), call(digest, servlist[1])]
        )


def suite():
    """Gather all the tests from this module in a test suite."""
    test_suite = unittest.TestSuite()
    test_suite.addTest(unittest.makeSuite(ForwarderTest))
    return test_suite


if __name__ == "__main__":
    unittest.main()