Runtime: Added PostStart methot to PLCObject, called after PLC is started, with all libraries and python object already created, and python extensions "Start" methods being called.
This is called before python thread processing py_eval blocks starts. Example purpose: attach additional ressource to web services
#!/usr/bin/env python
# -*- coding: utf-8 -*-
# This file is part of Beremiz, a Integrated Development Environment for
# programming IEC 61131-3 automates supporting plcopen standard and CanFestival.
#
# Copyright (C) 2017: Andrey Skvortsov
#
# See COPYING file for copyrights details.
#
# 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
from __future__ import absolute_import
from __future__ import division
import unittest
import time
import wx
import conftest
import controls.CustomIntCtrl
class TestCustomIntCtrl(unittest.TestCase):
def setUp(self):
self.app = wx.App()
self.frame = wx.Frame(None)
def tearDown(self):
self.frame.Destroy()
wx.CallAfter(self.app.Exit)
self.app.MainLoop()
def testMaxLimit(self):
"""Test working upper bound"""
self.AddControls()
self.int_ctrl.SetValue(self.max_val + 100)
self.ProcessEvents()
self.txt_ctrl.SetFocus()
self.ProcessEvents()
self.assertEqual(self.int_ctrl.GetValue(), self.max_val)
def testMinLimit(self):
"""Test working lower bound"""
self.AddControls()
self.int_ctrl.SetValue(self.min_val - 100)
self.ProcessEvents()
self.txt_ctrl.SetFocus()
self.ProcessEvents()
self.assertEqual(self.int_ctrl.GetValue(), self.min_val)
def testCorrectValue(self):
"""Test case if no limiting is necessary"""
self.AddControls()
val = (self.max_val + self.min_val) // 2
self.int_ctrl.SetValue(val)
self.ProcessEvents()
self.txt_ctrl.SetFocus()
self.ProcessEvents()
self.assertEqual(self.int_ctrl.GetValue(), val)
def testEventBinding(self):
"""Test event sending after edit and bound checks are done"""
self.AddControls()
self.event_happend = False
def EventHandler(event):
self.event_happend = True
event.Skip()
self.int_ctrl.Bind(controls.CustomIntCtrl.EVT_CUSTOM_INT, EventHandler)
val = (self.max_val + self.min_val) // 2
self.int_ctrl.SetValue(val)
self.ProcessEvents()
self.txt_ctrl.SetFocus()
self.ProcessEvents()
self.txt_ctrl.SetFocus()
self.ProcessEvents()
self.assertEqual(self.int_ctrl.GetValue(), val)
self.assertTrue(self.event_happend)
def testLongNumbers(self):
"""Test support of long integer"""
self.AddControls()
val = 40000000000
self.int_ctrl.SetMax(val)
self.int_ctrl.SetValue(val)
self.ProcessEvents()
self.txt_ctrl.SetFocus()
self.ProcessEvents()
self.assertEqual(val, val)
def ProcessEvents(self):
for dummy in range(0, 10):
wx.Yield()
time.sleep(0.01)
def AddControls(self):
vs = wx.BoxSizer(wx.VERTICAL)
self.int_ctrl = controls.CustomIntCtrl(self.frame)
self.txt_ctrl = wx.TextCtrl(self.frame)
vs.Add(self.int_ctrl, 0, wx.ALIGN_CENTRE | wx.ALL, 5)
vs.Add(self.txt_ctrl, 0, wx.ALIGN_CENTRE | wx.ALL, 5)
self.frame.SetSizer(vs)
vs.Fit(self.frame)
self.frame.Show()
self.frame.Raise()
self.min_val = 50
self.max_val = 100
self.int_ctrl.SetBounds(self.min_val, self.max_val)
self.ProcessEvents()
if __name__ == '__main__':
conftest.init_environment()
unittest.main()