def test_ChannelFileStream(self):
path1 = os.path.join(self.dataDir, "channelFileStream1.txt")
path2 = os.path.join(self.dataDir, "channelFileStream2.txt")
outstream = ast.FileStream(path1, True)
outchan = ast.Channel(outstream)
self.assertIsInstance(outchan, ast.Object)
self.assertIsInstance(outchan, ast.Channel)
zoommap = ast.ZoomMap(2, 0.1, "ID=Hello there")
nobj = outchan.write(zoommap)
self.assertEqual(nobj, 1)
with self.assertRaises(RuntimeError):
obj = outchan.read()
instream = ast.FileStream(path1, False)
inchan = ast.Channel(instream)
obj = inchan.read()
self.assertEqual(obj.show(), zoommap.show())
outstream2 = ast.FileStream(path2, True)
outchan2 = ast.Channel(outstream2)
outchan2.write(obj)
self.assertTrue(filecmp.cmp(path1, path2, shallow=False))
os.remove(path1)
os.remove(path2)
def readObjectFromShow(path):
"""Read an ast object saved as Object.show()"""
with open(path, "r") as f:
objectText = f.read()
stream = ast.StringStream(objectText)
chan = ast.Channel(stream)
return chan.read()
def test_ChannelStringStream(self):
ss = ast.StringStream()
channel = ast.Channel(ss)
zoommap = ast.ZoomMap(2, 0.1, "ID=Hello there")
n = channel.write(zoommap)
self.assertEqual(n, 1)
sinkData1 = ss.getSinkData()
ss.sinkToSource()
obj = channel.read()
self.assertEqual(obj.show(), zoommap.show())
n = channel.write(obj)
self.assertEqual(n, 1)
sinkData2 = ss.getSinkData()
self.assertEqual(sinkData1, sinkData2)