def test_loop_reload_pidchange_signals(self, open_mock, process_mock,
sleep_mock):
proc1 = MagicMock()
proc2 = MagicMock()
proc1.pid = 123
proc2.pid = 456
h = Herder()
open_mock.return_value.read.return_value = '123\n'
process_mock.return_value = proc1
ret = h._loop_inner()
assert_equal(ret, True)
# Simulate SIGHUP
h._handle_HUP(signal.SIGHUP, None)
open_mock.return_value.read.return_value = '456\n'
process_mock.return_value = proc2
ret = h._loop_inner()
assert_equal(ret, True)
sleep_mock.assert_any_call(120) # Check for the default overlap
expected_calls = [call.send_signal(signal.SIGUSR2),
call.send_signal(signal.SIGWINCH),
call.send_signal(signal.SIGQUIT)]
assert_equal(proc1.mock_calls, expected_calls)
def test_loop_nonexistent_pidfile_terminating(self, open_mock, sleep_mock):
def _fail():
raise IOError()
open_mock.return_value.read.side_effect = _fail
h = Herder()
h.terminating = True
assert_equal(h._loop_inner(), False)
def test_loop_nonexistent_pidfile_terminating(self, open_mock, sleep_mock):
def _fail():
raise IOError()
open_mock.return_value.read.side_effect = _fail
h = Herder()
h.terminating = True
assert_equal(h._loop_inner(), False)
def test_configurable_overlap(self, open_mock, process_mock, sleep_mock):
h = Herder(overlap=17)
# Set up an initial dummy master process for the herder to kill later
open_mock.return_value.read.return_value = '123\n'
process_mock.return_value = MagicMock(pid=123)
h._loop_inner()
# Simulate a reloaded Unicorn
open_mock.return_value.read.return_value = '456\n'
process_mock.return_value = MagicMock(pid=456)
# Simulate SIGHUP, so the Herder thinks it's reloading
h._handle_HUP(signal.SIGHUP, None)
h._loop_inner()
sleep_mock.assert_any_call(17)
def test_configurable_overlap(self, open_mock, process_mock, sleep_mock):
h = Herder(overlap=17)
# Set up an initial dummy master process for the herder to kill later
open_mock.return_value.read.return_value = '123\n'
process_mock.return_value = MagicMock(pid=123)
h._loop_inner()
# Simulate a reloaded Unicorn
open_mock.return_value.read.return_value = '456\n'
process_mock.return_value = MagicMock(pid=456)
# Simulate SIGHUP, so the Herder thinks it's reloading
h._handle_HUP(signal.SIGHUP, None)
h._loop_inner()
sleep_mock.assert_any_call(17)
def test_loop_detects_pidchange(self, open_mock, process_mock, sleep_mock):
proc1 = MagicMock()
proc2 = MagicMock()
proc1.pid = 123
proc2.pid = 456
h = Herder()
open_mock.return_value.read.return_value = '123\n'
process_mock.return_value = proc1
ret = h._loop_inner()
assert_equal(ret, True)
open_mock.return_value.read.return_value = '456\n'
process_mock.return_value = proc2
ret = h._loop_inner()
assert_equal(ret, True)
expected_calls = []
assert_equal(proc1.mock_calls, expected_calls)
def test_loop_detects_pidchange(self, open_mock, process_mock, sleep_mock):
proc1 = MagicMock()
proc2 = MagicMock()
proc1.pid = 123
proc2.pid = 456
h = Herder()
open_mock.return_value.read.return_value = '123\n'
process_mock.return_value = proc1
ret = h._loop_inner()
assert_equal(ret, True)
open_mock.return_value.read.return_value = '456\n'
process_mock.return_value = proc2
ret = h._loop_inner()
assert_equal(ret, True)
expected_calls = []
assert_equal(proc1.mock_calls, expected_calls)
def test_loop_valid_pid(self, open_mock, process_mock, sleep_mock):
open_mock.return_value.read.return_value = '123\n'
h = Herder()
ret = h._loop_inner()
assert_equal(ret, True)
process_mock.assert_called_once_with(123)
def test_loop_valid_pid(self, open_mock, process_mock, sleep_mock):
open_mock.return_value.read.return_value = '123\n'
h = Herder()
ret = h._loop_inner()
assert_equal(ret, True)
process_mock.assert_called_once_with(123)
