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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 = "<html><body>This is some data</body></html>"
do = wx.HTMLDataObject(data)
self.assertEqual(do.GetHTML(), data)
self.assertEqual(do.HTML, data)
#---------------------------------------------------------------------------
if __name__ == '__main__':
unittest.main()
|
