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1 # ***** BEGIN LICENSE BLOCK *****
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2 # Version: MPL 1.1/GPL 2.0/LGPL 2.1
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3 #
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4 # The contents of this file are subject to the Mozilla Public License Version
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5 # 1.1 (the "License"); you may not use this file except in compliance with
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6 # the License. You may obtain a copy of the License at
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7 # http://www.mozilla.org/MPL/
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8 #
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9 # Software distributed under the License is distributed on an "AS IS" basis,
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10 # WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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11 # for the specific language governing rights and limitations under the
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12 # License.
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13 #
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14 # The Original Code is the Python XPCOM language bindings.
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15 #
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16 # The Initial Developer of the Original Code is
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17 # ActiveState Tool Corp.
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18 # Portions created by the Initial Developer are Copyright (C) 2000,2001
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19 # the Initial Developer. All Rights Reserved.
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20 #
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21 # Contributor(s):
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22 # Mark Hammond <MarkH@ActiveState.com> (original author)
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23 #
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24 # Alternatively, the contents of this file may be used under the terms of
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25 # either the GNU General Public License Version 2 or later (the "GPL"), or
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26 # the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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27 # in which case the provisions of the GPL or the LGPL are applicable instead
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28 # of those above. If you wish to allow use of your version of this file only
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29 # under the terms of either the GPL or the LGPL, and not to allow others to
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30 # use your version of this file under the terms of the MPL, indicate your
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31 # decision by deleting the provisions above and replace them with the notice
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32 # and other provisions required by the GPL or the LGPL. If you do not delete
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33 # the provisions above, a recipient may use your version of this file under
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34 # the terms of any one of the MPL, the GPL or the LGPL.
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35 #
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36 # ***** END LICENSE BLOCK *****
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37
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38 import xpcom
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39 from xpcom import _xpcom, components, COMException, ServerException, nsError
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40 from StringIO import StringIO
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41 import unittest
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42 from pyxpcom_test_tools import testmain
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43
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44 test_data = "abcdefeghijklmnopqrstuvwxyz"
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45
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46 class koTestSimpleStream:
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47 _com_interfaces_ = [components.interfaces.nsIInputStream]
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48 # We avoid registering this object - see comments in get_test_inout_? below.
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49
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50 def __init__(self):
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51 self.data=StringIO(test_data)
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52 self._non_blocking = False
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53
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54 def close( self ):
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55 pass
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56
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57 def available( self ):
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58 return self.data.len-self.data.pos
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59
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60 def readStr( self, amount):
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61 return self.data.read(amount)
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62
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63 read=readStr
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64
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65 def get_observer( self ):
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66 raise ServerException(nsError.NS_ERROR_NOT_IMPLEMENTED)
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67
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68 def set_observer( self, param0 ):
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69 raise ServerException(nsError.NS_ERROR_NOT_IMPLEMENTED)
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70
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71 def isNonBlocking(self):
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72 return self._non_blocking
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73
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74 def get_test_input():
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75 # We use a couple of internal hacks here that mean we can avoid having the object
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76 # registered. This code means that we are still working over the xpcom boundaries, tho
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77 # (and the point of this test is not the registration, etc).
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78 import xpcom.server, xpcom.client
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79 ob = xpcom.server.WrapObject( koTestSimpleStream(), _xpcom.IID_nsISupports)
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80 ob = xpcom.client.Component(ob._comobj_, components.interfaces.nsIInputStream)
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81 return ob
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82
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83 class StreamTests(unittest.TestCase):
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84 def testInput(self):
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85 self.do_test_input( get_test_input() )
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86
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87 def do_test_input(self, myStream):
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88 self.failUnlessEqual(str(myStream.read(5)), test_data[:5])
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89 self.failUnlessEqual(str(myStream.read(0)), '')
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90 self.failUnlessEqual(str(myStream.read(5)), test_data[5:10])
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91 self.failUnlessEqual(str(myStream.read(-1)), test_data[10:])
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92 self.failIf(myStream.isNonBlocking(), "Expected default to be blocking")
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93 # stream observer mechanism has changed - we should test that.
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94
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95 if __name__=='__main__':
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96 testmain()
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