def test_retry_limited(self):
inet4_servers = [
self.mox.CreateMock(wsgi_server._SingleAddressWsgiServer)
for _ in range(wsgi_server._PORT_0_RETRIES)
]
inet6_servers = [
self.mox.CreateMock(wsgi_server._SingleAddressWsgiServer)
for _ in range(wsgi_server._PORT_0_RETRIES)
]
self.mox.StubOutWithMock(wsgi_server, '_SingleAddressWsgiServer')
self.mox.StubOutWithMock(socket, 'getaddrinfo')
socket.getaddrinfo('localhost', 0, socket.AF_UNSPEC,
socket.SOCK_STREAM, 0,
socket.AI_PASSIVE).AndReturn([
(None, None, None, None, ('127.0.0.1', 0,
'baz')),
(None, None, None, None, ('::1', 0, 'baz'))
])
for offset, (inet4_server, inet6_server) in enumerate(
zip(inet4_servers, inet6_servers)):
wsgi_server._SingleAddressWsgiServer(('127.0.0.1', 0),
None).AndReturn(inet4_server)
inet4_server.start()
inet4_server.port = offset + 1
wsgi_server._SingleAddressWsgiServer(('::1', offset + 1),
None).AndReturn(inet6_server)
inet6_server.start().AndRaise(
wsgi_server.BindError('message', (errno.EADDRINUSE, 'in use')))
inet4_server.quit()
self.mox.ReplayAll()
self.assertRaises(wsgi_server.BindError, self.server.start)
self.mox.VerifyAll()
def test_ignore_other_errors(self):
inet4_server = self.mox.CreateMock(
wsgi_server._SingleAddressWsgiServer)
inet6_server = self.mox.CreateMock(
wsgi_server._SingleAddressWsgiServer)
self.mox.StubOutWithMock(wsgi_server, '_SingleAddressWsgiServer')
self.mox.StubOutWithMock(socket, 'getaddrinfo')
socket.getaddrinfo('localhost', 0, socket.AF_UNSPEC,
socket.SOCK_STREAM, 0,
socket.AI_PASSIVE).AndReturn([
(None, None, None, None, ('127.0.0.1', 0,
'baz')),
(None, None, None, None, ('::1', 0, 'baz'))
])
wsgi_server._SingleAddressWsgiServer(('127.0.0.1', 0),
None).AndReturn(inet4_server)
inet4_server.start()
inet4_server.port = 123
wsgi_server._SingleAddressWsgiServer(('::1', 123),
None).AndReturn(inet6_server)
inet6_server.start().AndRaise(
wsgi_server.BindError('message',
(errno.ENOPROTOOPT, 'no protocol')))
self.mox.ReplayAll()
self.server.start()
self.mox.VerifyAll()
self.assertItemsEqual([inet4_server], self.server._servers)
def test_retry_eaddrinuse(self):
inet4_server = self.mox.CreateMock(
wsgi_server._SingleAddressWsgiServer)
inet6_server = self.mox.CreateMock(
wsgi_server._SingleAddressWsgiServer)
inet4_server_retry = self.mox.CreateMock(
wsgi_server._SingleAddressWsgiServer)
inet6_server_retry = self.mox.CreateMock(
wsgi_server._SingleAddressWsgiServer)
self.mox.StubOutWithMock(wsgi_server, '_SingleAddressWsgiServer')
self.mox.StubOutWithMock(socket, 'getaddrinfo')
socket.getaddrinfo('localhost', 0, socket.AF_UNSPEC,
socket.SOCK_STREAM, 0,
socket.AI_PASSIVE).AndReturn([
(None, None, None, None, ('127.0.0.1', 0,
'baz')),
(None, None, None, None, ('::1', 0, 'baz'))
])
# First try
wsgi_server._SingleAddressWsgiServer(('127.0.0.1', 0),
None).AndReturn(inet4_server)
inet4_server.start()
inet4_server.port = 123
wsgi_server._SingleAddressWsgiServer(('::1', 123),
None).AndReturn(inet6_server)
inet6_server.start().AndRaise(
wsgi_server.BindError('message', (errno.EADDRINUSE, 'in use')))
inet4_server.quit()
# Retry
wsgi_server._SingleAddressWsgiServer(
('127.0.0.1', 0), None).AndReturn(inet4_server_retry)
inet4_server_retry.start()
inet4_server_retry.port = 456
wsgi_server._SingleAddressWsgiServer(
('::1', 456), None).AndReturn(inet6_server_retry)
inet6_server_retry.start()
self.mox.ReplayAll()
self.server.start()
self.mox.VerifyAll()
self.assertItemsEqual([inet4_server_retry, inet6_server_retry],
self.server._servers)
