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added test for is_port_in_use

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Alok Saldanha
2021-05-11 07:25:50 -04:00
parent d2b508e371
commit 3cb0e4d725
1 changed files with 28 additions and 0 deletions
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28
tests/test_backend_cache.py Normal file
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import unittest
from unittest.mock import MagicMock, patch
from cellxgene_gateway.backend_cache import is_port_in_use
class TestIsPortInUse(unittest.TestCase):
@patch("socket.socket")
def test_GIVEN_free_port_THEN_returns_true(self, socketMock):
connectMock = socketMock()
connectMock.connect_ex.return_value = 0
connectMock.__enter__.return_value = connectMock
self.assertEqual(is_port_in_use(123), True)
self.assertTrue(connectMock.__enter__.calledOnce)
self.assertTrue(connectMock.__exit__.calledOnce)
self.assertTrue(connectMock.connect_ex.calledOnceWith("a"))
self.assertTrue(socketMock.calledOnceWith("a"))
@patch("socket.socket")
def test_GIVEN_used_port_THEN_returns_false(self, socketMock):
connectMock = socketMock()
connectMock.__enter__.return_value = connectMock
connectMock.connect_ex.return_value = 1
self.assertTrue(connectMock.__enter__.calledOnce)
self.assertTrue(connectMock.__exit__.calledOnce)
self.assertTrue(connectMock.connect_ex.calledOnceWith("a"))
self.assertTrue(socketMock.calledOnceWith("a"))
self.assertEqual(is_port_in_use(123), False)