add timeouts to MultiEvents

to be used for a follow up change for startup events

Change-Id: Id8816eb8f561dcd8d1473e25a9685e796fb14953
Reviewed-on: https://forge.frm2.tum.de/review/c/sine2020/secop/playground/+/27364
Tested-by: Jenkins Automated Tests <pedersen+jenkins@frm2.tum.de>
Reviewed-by: Markus Zolliker <markus.zolliker@psi.ch>

test/test_multievent.py

@@ -0,0 +1,60 @@
+#  -*- coding: utf-8 -*-
+# *****************************************************************************
+#
+# This program is free software; you can redistribute it and/or modify it under
+# the terms of the GNU General Public License as published by the Free Software
+# Foundation; either version 2 of the License, or (at your option) any later
+# version.
+#
+# This program is distributed in the hope that it will be useful, but WITHOUT
+# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+# FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more
+# details.
+#
+# You should have received a copy of the GNU General Public License along with
+# this program; if not, write to the Free Software Foundation, Inc.,
+# 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+#
+# Module authors:
+#   Markus Zolliker <markus.zolliker@psi.ch>
+#
+# *****************************************************************************
+
+import time
+from secop.lib.multievent import MultiEvent
+
+
+def test_without_timeout():
+    m = MultiEvent()
+    s1 = m.setfunc(name='s1')
+    s2 = m.setfunc(name='s2')
+    assert not m.wait(0)
+    assert m.deadline() is None
+    assert m.waiting_for() == {'s1', 's2'}
+    s2()
+    assert m.waiting_for() == {'s1'}
+    assert not m.wait(0)
+    s1()
+    assert not m.waiting_for()
+    assert m.wait(0)
+
+
+def test_with_timeout(monkeypatch):
+    current_time = 1000
+    monkeypatch.setattr(time, 'monotonic', lambda: current_time)
+    m = MultiEvent()
+    assert m.deadline() == 0
+    m.name = 's1'
+    s1 = m.setfunc(10)
+    assert m.deadline() == 1010
+    m.name = 's2'
+    s2 = m.setfunc(20)
+    assert m.deadline() == 1020
+    current_time += 21
+    assert not m.wait(0)
+    assert m.waiting_for() == {'s1', 's2'}
+    s1()
+    assert m.waiting_for() == {'s2'}
+    s2()
+    assert not m.waiting_for()
+    assert m.wait(0)