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Viewing changes to bzrlib/tests/test_gpg.py

  • Committer: Robert Collins
  • Date: 2007-07-25 00:52:21 UTC
  • mfrom: (2650 +trunk)
  • mto: This revision was merged to the branch mainline in revision 2651.
  • Revision ID: robertc@robertcollins.net-20070725005221-0ysm6il5mqnme3wz
Merge bzr.dev.

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bzrlib/tests/test_gpg.py
 
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# Copyright (C) 2005 Canonical Ltd
 
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#   Authors: Robert Collins <robert.collins@canonical.com>
 
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#
 
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# This program is free software; you can redistribute it and/or modify
 
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# it under the terms of the GNU General Public License as published by
 
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# the Free Software Foundation; either version 2 of the License, or
 
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# (at your option) any later version.
 
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#
 
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# This program is distributed in the hope that it will be useful,
 
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
 
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 
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# GNU General Public License for more details.
 
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#
 
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# You should have received a copy of the GNU General Public License
 
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# along with this program; if not, write to the Free Software
 
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 
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"""Tests for signing and verifying blobs of data via gpg."""
 
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# import system imports here
 
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import os
 
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import sys
 
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from bzrlib import errors, ui
 
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import bzrlib.gpg as gpg
 
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from bzrlib.tests import TestCase, TestCaseInTempDir
 
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class FakeConfig(object):
 
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    def gpg_signing_command(self):
 
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        return "false"
 
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class TestCommandLine(TestCase):
 
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    def test_signing_command_line(self):
 
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        my_gpg = gpg.GPGStrategy(FakeConfig())
 
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        self.assertEqual(['false',  '--clearsign'],
 
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                         my_gpg._command_line())
 
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    def test_checks_return_code(self):
 
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        # This test needs a unix like platform - one with 'false' to run.
 
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        # if you have one, please make this work :)
 
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        my_gpg = gpg.GPGStrategy(FakeConfig())
 
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        self.assertRaises(errors.SigningFailed, my_gpg.sign, 'content')
 
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    def assertProduces(self, content):
 
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        # This needs a 'cat' command or similar to work.
 
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        my_gpg = gpg.GPGStrategy(FakeConfig())
 
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        if sys.platform == 'win32':
 
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            # Windows doesn't come with cat, and we don't require it
 
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            # so lets try using python instead.
 
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            # But stupid windows and line-ending conversions. 
 
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            # It is too much work to make sys.stdout be in binary mode.
 
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            # http://aspn.activestate.com/ASPN/Cookbook/Python/Recipe/65443
 
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            my_gpg._command_line = lambda:[sys.executable, '-c',
 
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                    'import sys; sys.stdout.write(sys.stdin.read())']
 
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            new_content = content.replace('\n', '\r\n')
 
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            self.assertEqual(new_content, my_gpg.sign(content))
 
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        else:
 
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            my_gpg._command_line = lambda:['cat', '-']
 
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            self.assertEqual(content, my_gpg.sign(content))
 
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    def test_returns_output(self):
 
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        content = "some content\nwith newlines\n"
 
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        self.assertProduces(content)
 
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    def test_clears_progress(self):
 
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        content = "some content\nwith newlines\n"
 
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        old_clear_term = ui.ui_factory.clear_term
 
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        clear_term_called = [] 
 
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        def clear_term():
 
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            old_clear_term()
 
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            clear_term_called.append(True)
 
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        ui.ui_factory.clear_term = clear_term
 
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        try:
 
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            self.assertProduces(content)
 
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        finally:
 
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            ui.ui_factory.clear_term = old_clear_term
 
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        self.assertEqual([True], clear_term_called)
 
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    def test_aborts_on_unicode(self):
 
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        """You can't sign Unicode text; it must be encoded first."""
 
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        self.assertRaises(errors.BzrBadParameterUnicode,
 
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                          self.assertProduces, u'foo')
 
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class TestDisabled(TestCase):
 
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    def test_sign(self):
 
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        self.assertRaises(errors.SigningFailed,
 
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                          gpg.DisabledGPGStrategy(None).sign, 'content')