beremiz

lazy initialization of highlight pens and brushes for DebugVariableViewer

2017-09-15, Andrey Skvortsov
5562f34f2fc2
lazy initialization of highlight pens and brushes for DebugVariableViewer

Constructors wx.Pen() and wx.Brush() require wx.App to exist already.
That causes crash during import of the control,
because import is done before calling main application code.
import os
import sys
import unittest
import wx
import time
import traceback
from xvfbwrapper import Xvfb
vdisplay = None
def setUpModule():
vdisplay = Xvfb(width=1280, height=720)
vdisplay.start()
def tearDownModule():
if vdisplay is not None:
vdisplay.stop()
class UserApplicationTest(unittest.TestCase):
def InstallExceptionHandler(self):
def handle_exception(e_type, e_value, e_traceback):
# traceback.print_exception(e_type, e_value, e_traceback)
self.exc_info = [e_type, e_value, e_traceback]
self.exc_info = None
self.old_excepthook = sys.excepthook
sys.excepthook = handle_exception
def StartApp(self):
self.app = None
def FinishApp(self):
wx.CallAfter(self.app.frame.Close)
self.app.MainLoop()
# time.sleep(0.2)
self.app = None
def tearDown(self):
if self.app is not None and self.app.frame is not None:
self.FinishApp()
def RunUIActions(self, actions):
for act in actions:
wx.CallAfter(*act)
self.ProcessEvents()
def CheckForErrors(self):
if self.exc_info is not None:
# reraise catched previously exception
raise self.exc_info[0], self.exc_info[1], self.exc_info[2]
def ProcessEvents(self):
for i in range(0, 30):
self.CheckForErrors()
wx.Yield()
time.sleep(0.01)
class BeremizApplicationTest(UserApplicationTest):
"""Test Beremiz as whole application"""
def StartApp(self):
self.app = Beremiz.BeremizIDELauncher()
# disable default exception handler in Beremiz
self.app.InstallExceptionHandler = lambda: None
self.InstallExceptionHandler()
self.app.PreStart()
def FinishApp(self):
wx.CallAfter(self.app.frame.Close)
self.app.MainLoop()
time.sleep(1)
self.app = None
def OpenAllProjectElements(self):
# open every object in the project tree
self.app.frame.ProjectTree.ExpandAll()
self.ProcessEvents()
item = self.app.frame.ProjectTree.GetRootItem()
while item is not None:
self.app.frame.ProjectTree.SelectItem(item, True)
self.ProcessEvents()
id = self.app.frame.ProjectTree.GetId()
event = wx.lib.agw.customtreectrl.TreeEvent(
wx.lib.agw.customtreectrl.wxEVT_TREE_ITEM_ACTIVATED,
id, item)
self.app.frame.OnProjectTreeItemActivated(event)
self.ProcessEvents()
item = self.app.frame.ProjectTree.GetNextVisible(item)
def CheckTestProject(self, project):
sys.argv = ["", project]
self.StartApp()
self.OpenAllProjectElements()
user_actions = [
[self.app.frame.SwitchFullScrMode, None],
[self.app.frame.SwitchFullScrMode, None],
[self.app.frame.CTR._Clean],
[self.app.frame.CTR._Build],
[self.app.frame.CTR._Connect],
[self.app.frame.CTR._Transfer],
[self.app.frame.CTR._Run],
[self.app.frame.CTR._Stop],
[self.app.frame.CTR._Disconnect],
]
# user_actions.append([self.app.frame.OnCloseProjectMenu, None])
self.RunUIActions(user_actions)
self.FinishApp()
def GetProjectPath(self, project):
return os.path.abspath(os.path.join(os.path.dirname(__file__), "..", project))
# @unittest.skip("")
def testStartUp(self):
"""Checks whether the app starts and finishes correctly"""
self.StartApp()
self.FinishApp()
# @unittest.skip("")
def testOpenExampleProjects(self):
"""Opens, builds and runs user PLC examples from tests directory"""
prj = [
"first_steps",
"logging",
"svgui",
"traffic_lights",
"wxGlade",
"python",
"wiimote",
"wxHMI",
]
for name in prj:
project = self.GetProjectPath(name)
print "Testing example " + name
self.CheckTestProject(project)
if __name__ == '__main__':
if __package__ is None:
sys.path.append(os.path.abspath(os.path.join(os.path.dirname(__file__), '..', '..')))
global Beremiz
import Beremiz
unittest.main()