import unittest from unittests import wtc import wx import os import sys pngFile = os.path.join(os.path.dirname(__file__), 'toucan.png') #print os.getpid(); raw_input('Press enter...') #--------------------------------------------------------------------------- class DataObjTests(wtc.WidgetTestCase): def test_DataFormat(self): fmt1 = wx.DataFormat('my custom format') fmt2 = wx.DataFormat(wx.DF_TEXT) self.assertTrue(fmt1 != fmt2) fmt3 = wx.DataFormat(wx.DF_TEXT) self.assertTrue(fmt2 == fmt3) def test_DataFormatIDsExist(self): wx.DF_INVALID wx.DF_TEXT wx.DF_BITMAP wx.DF_METAFILE wx.DF_SYLK wx.DF_DIF wx.DF_TIFF wx.DF_OEMTEXT wx.DF_DIB wx.DF_PALETTE wx.DF_PENDATA wx.DF_RIFF wx.DF_WAVE wx.DF_UNICODETEXT wx.DF_ENHMETAFILE wx.DF_FILENAME wx.DF_LOCALE wx.DF_PRIVATE wx.DF_HTML wx.DF_MAX def test_DataObjectGetAllFormats(self): class MyDataObject(wx.DataObject): def __init__(self): wx.DataObject.__init__(self) self.myFormats = [wx.DataFormat(wx.DF_TEXT), wx.DataFormat(wx.DF_UNICODETEXT)] def GetAllFormats(self, d): return self.myFormats def GetFormatCount(self, d): return len(self.myFormats) data = MyDataObject() if hasattr(data, '_testGetAllFormats'): data._testGetAllFormats() # TODO: Get this fixed! See https://groups.google.com/d/topic/wx-dev/wFxevpvbhvQ/discussion @unittest.skipIf(sys.platform == 'darwin', 'Using wx.DF_TEXT currently fails on Mac') def test_DataObject(self): class MyDataObject(wx.DataObject): def __init__(self, value=''): wx.DataObject.__init__(self) self.myFormats = [wx.DataFormat(wx.DF_TEXT)] self.myData = wtc.mybytes(value) def GetAllFormats(self, d): return self.myFormats def GetFormatCount(self, d): return len(self.myFormats) def GetPreferredFormat(self, d): return self.myFormats[0] def GetDataSize(self, format): # On windows strlen is used internally for stock string types # to calculate the size, so we need to make room for and add # a null character at the end for our custom format using # wx.DF_TEXT. return len(self.myData)+1 def GetDataHere(self, format, buf): # copy our local data value to buf assert isinstance(buf, memoryview) assert len(buf) == len(self.myData)+1 buf[:] = (self.myData + b'\0') # add the extra byte return True def SetData(self, format, buf): # copy from buf to our local data value assert isinstance(buf, memoryview) self.myData = buf.tobytes() if self.myData[-1] in [b'\0', 0]: # strip off the extra byte at the end self.myData = self.myData[:-1] return True # copy data1 = MyDataObject('This is some data.') if wx.TheClipboard.Open(): wx.TheClipboard.SetData(data1) wx.TheClipboard.Close() # paste data2 = MyDataObject() if wx.TheClipboard.Open(): wx.TheClipboard.GetData(data2) wx.TheClipboard.Close() self.assertEqual(data1.myData, data2.myData) def test_DataObject2(self): # More-or-less a duplicate of the above, but with a custom data format class MyDataObject(wx.DataObject): def __init__(self, value=''): wx.DataObject.__init__(self) self.myFormats = [wx.DataFormat("application.MyCustomDataFormat")] self.myData = wtc.mybytes(value) def GetAllFormats(self, d): return self.myFormats def GetFormatCount(self, d): return len(self.myFormats) def GetPreferredFormat(self, d): return self.myFormats[0] def GetDataSize(self, format): return len(self.myData) def GetDataHere(self, format, buf): # copy our local data value to buf assert isinstance(buf, memoryview) buf[:] = self.myData return True def SetData(self, format, buf): # copy from buf to our local data value assert isinstance(buf, memoryview) self.myData = buf.tobytes() return True # copy data1 = MyDataObject('This is some data.') if wx.TheClipboard.Open(): wx.TheClipboard.SetData(data1) wx.TheClipboard.Close() # paste data2 = MyDataObject() if wx.TheClipboard.Open(): wx.TheClipboard.GetData(data2) wx.TheClipboard.Close() self.assertEqual(data1.myData, data2.myData) def test_DataObjectSimple1(self): df = wx.DataFormat(wx.DF_TEXT) dobj = wx.DataObjectSimple(df) self.assertTrue(dobj.GetFormatCount() == 1) self.assertTrue(dobj.GetFormat() == df) self.assertTrue(dobj.GetAllFormats()[0] == df) # TODO: Get this fixed! See https://groups.google.com/d/topic/wx-dev/wFxevpvbhvQ/discussion @unittest.skipIf(sys.platform == 'darwin', 'Using wx.DF_TEXT currently fails on Mac') def test_DataObjectSimple2(self): class MyDataObject(wx.DataObjectSimple): def __init__(self, value=''): wx.DataObjectSimple.__init__(self) self.SetFormat(wx.DataFormat(wx.DF_TEXT)) self.myData = wtc.mybytes(value) def GetDataSize(self): # See notes above about the need for a null terminator when # using wx.DF_TEXT on Windows. return len(self.myData)+1 def GetDataHere(self, buf): # copy our local data value to buf assert isinstance(buf, memoryview) buf[:] = (self.myData + b'\0') return True def SetData(self, buf): # copy from buf to our local data value assert isinstance(buf, memoryview) self.myData = buf.tobytes() if self.myData[-1] in [b'\0', 0]: self.myData = self.myData[:-1] return True # copy data1 = MyDataObject('This is some data.') if wx.TheClipboard.Open(): wx.TheClipboard.SetData(data1) wx.TheClipboard.Close() # paste data2 = MyDataObject() if wx.TheClipboard.Open(): wx.TheClipboard.GetData(data2) wx.TheClipboard.Close() self.assertEqual(data1.myData, data2.myData) def test_DataObjectSimple3(self): # More-or-less a duplicate of the above, but with a custom data format class MyDataObject(wx.DataObjectSimple): def __init__(self, value=''): wx.DataObjectSimple.__init__(self) self.SetFormat(wx.DataFormat("application.MyCustomDataFormat")) self.myData = wtc.mybytes(value) def GetDataSize(self): return len(self.myData) def GetDataHere(self, buf): # copy our local data value to buf assert isinstance(buf, memoryview) buf[:] = self.myData return True def SetData(self, buf): # copy from buf to our local data value assert isinstance(buf, memoryview) self.myData = buf.tobytes() return True # copy data1 = MyDataObject('This is some data.') if wx.TheClipboard.Open(): wx.TheClipboard.SetData(data1) wx.TheClipboard.Close() # paste data2 = MyDataObject() if wx.TheClipboard.Open(): wx.TheClipboard.GetData(data2) wx.TheClipboard.Close() self.assertEqual(data1.myData, data2.myData) def test_CustomDataObject(self): import pickle data1 = list(range(10)) obj = wx.CustomDataObject('my custom format') obj.SetData(pickle.dumps(data1)) assert obj.GetDataSize() > 0 data2 = pickle.loads(obj.GetData().tobytes()) self.assertEqual(data1, data2) def test_DataObjectComposite(self): do = wx.DataObjectComposite() df1 = wx.DataFormat("data type 1") df2 = wx.DataFormat("data type 2") d1 = wx.CustomDataObject(df1) d2 = wx.CustomDataObject(df2) do.Add(d1, True) do.Add(d2) self.assertTrue(do.GetPreferredFormat() == df1) d3 = do.GetObject(df2) self.assertTrue(isinstance(d3, wx.CustomDataObject)) self.assertTrue(d3 is d2) def test_BitmapDataObject(self): do = wx.BitmapDataObject() do.Bitmap = wx.Bitmap(pngFile) self.assertTrue(do.GetBitmap().IsOk()) self.assertTrue(do.Bitmap.IsOk()) def test_TextDataObject(self): data = "This is some data" do = wx.TextDataObject(data) self.assertEqual(do.GetText(), data) self.assertEqual(do.Text, data) self.assertAlmostEqual(do.GetTextLength(), len(data), delta=1) self.assertAlmostEqual(do.TextLength, len(data), delta=1) def test_TextDataObjectClipboard(self): # copy text = 'This is some MORE data.' data1 = wx.TextDataObject(text) if wx.TheClipboard.Open(): wx.TheClipboard.SetData(data1) wx.TheClipboard.Close() # paste data2 = wx.TextDataObject() if wx.TheClipboard.Open(): wx.TheClipboard.GetData(data2) wx.TheClipboard.Close() self.assertEqual(text, data2.Text) def test_URLDataObject(self): url = 'http://wxPython.org/' do = wx.URLDataObject() do.URL = url self.assertEqual(do.GetURL(), url) self.assertEqual(do.URL, url) def test_FileDataObject(self): do = wx.FileDataObject() do.AddFile('filename1') do.AddFile('filename2') do.AddFile('filename3') names = do.GetFilenames() self.assertTrue(len(names) == 3) self.assertTrue(names[0] == 'filename1') self.assertTrue(names == do.Filenames) def test_HTMLDataObject(self): data = "This is some data" do = wx.HTMLDataObject(data) self.assertEqual(do.GetHTML(), data) self.assertEqual(do.HTML, data) #--------------------------------------------------------------------------- if __name__ == '__main__': unittest.main()