class TestInvalidTunnels(unittest.TestCase):

    def setUp(self):
        self.tunnel = TunnelBase(['ls'], 'DOESNOTEXIST')

        self.tm = TunnelManager()
        self.tm.tunnels.append(self.tunnel)

    def test_start_bad_exec(self):
        self.tm.start_tunnels()
        # No error was raised
        self.assertFalse(self.tunnel.is_running())

    def test_continue_bad_exec(self):
        self.tm.continue_tunnels()
        # No error was raised
        self.assertFalse(self.tunnel.is_running())
class TestLongRun(TearDownRunForever):

    def setUp(self):
        self.executable = 'cal_run_forever'
        self.cmd = [self.executable]

        self.t = TunnelBase(self.cmd, self.executable)

        self.tm = TunnelManager()
        self.tm.tunnels = [self.t]

    def tearDown(self):
        signal.signal(signal.SIGCHLD, signal.SIG_IGN)
        try:
            subprocess.call("ps auxww | grep %s | awk '{print $2}' | xargs kill" % self.executable, shell=True)
        except OSError:
            pass

    def test_single_run(self):
        self.tm.start_tunnels()
        self.tm.continue_tunnels()
        time.sleep(1)

        self.assertTrue(is_really_running(self.t))

    def test_close_running_externally_handled(self):
        self.tm.start_tunnels()

        proc = self.t.proc
        os.kill(proc.pid, signal.SIGTERM)
        # Wait for the process to close
        _wait_for_condition(lambda : not self.t.is_running(), "Process not closed")

        self.assertFalse(self.t.is_running())

    def test_continue_after_kill(self):
        self.tm.start_tunnels()

        self.t.close(wait=False)

        _wait_for_condition(lambda: not is_really_running(self.t), "Process not stopped")
        self.tm.continue_tunnels()
        _wait_for_condition(lambda: is_really_running(self.t), "Process not started")

        self.assertTrue(is_really_running(self.t))
class TestStartingSingleTunnel(TearDownRunForever):

    def setUp(self):
        self.executable = 'cal_run_forever'
        self.cmd = [self.executable]

        self.t = TunnelBase(self.cmd, self.executable)

        self.tm = TunnelManager()
        self.tm.tunnels = [self.t]

    def test_start_success(self):
        self.tm.start_tunnels()

        self.assertTrue(self.t.is_running())

    def test_continue_not_started(self):
        """
        Calling continue before starting shouldn't error out
        """
        self.tm.continue_tunnels()

    def test_continue_post_start(self):
        self.tm.start_tunnels()

        self.tm.continue_tunnels()
        self.assertTrue(self.t.is_running())

    def test_vanilla_continue(self):
        self.tm.start_tunnels()
        self.tm.continue_tunnels()

        self.assertTrue(self.t.is_running())

    def test_close(self):
        self.tm.start_tunnels()

        self.t.close(wait=False)