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Viewing changes to bzrlib/tests/test_osutils.py

  • Committer: Aaron Bentley
  • Date: 2009-12-07 21:46:28 UTC
  • mfrom: (4871 +trunk)
  • mto: This revision was merged to the branch mainline in revision 4873.
  • Revision ID: aaron@aaronbentley.com-20091207214628-yifwgux0fn4x3bo4
Merge bzr.dev into merge-i-lock.

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bzrlib/tests/test_osutils.py
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import socket
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import stat
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import sys
 
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import termios
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import time
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from bzrlib import (
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        # Instead blackbox.test_locale should check for localized
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        # dates once they do occur in output strings.
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    def test_format_date_with_offset_in_original_timezone(self):
 
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        self.assertEqual("Thu 1970-01-01 00:00:00 +0000",
 
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            osutils.format_date_with_offset_in_original_timezone(0))
 
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        self.assertEqual("Fri 1970-01-02 03:46:40 +0000",
 
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            osutils.format_date_with_offset_in_original_timezone(100000))
 
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        self.assertEqual("Fri 1970-01-02 05:46:40 +0200",
 
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            osutils.format_date_with_offset_in_original_timezone(100000, 7200))
 
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    def test_local_time_offset(self):
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        """Test that local_time_offset() returns a sane value."""
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        offset = osutils.local_time_offset()
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class TestConcurrency(tests.TestCase):
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    def setUp(self):
 
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        super(TestConcurrency, self).setUp()
 
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        orig = osutils._cached_local_concurrency
 
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        def restore():
 
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            osutils._cached_local_concurrency = orig
 
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        self.addCleanup(restore)
 
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    def test_local_concurrency(self):
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        concurrency = osutils.local_concurrency()
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        self.assertIsInstance(concurrency, int)
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    def test_local_concurrency_environment_variable(self):
 
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        os.environ['BZR_CONCURRENCY'] = '2'
 
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        self.assertEqual(2, osutils.local_concurrency(use_cache=False))
 
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        os.environ['BZR_CONCURRENCY'] = '3'
 
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        self.assertEqual(3, osutils.local_concurrency(use_cache=False))
 
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        os.environ['BZR_CONCURRENCY'] = 'foo'
 
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        self.assertEqual(1, osutils.local_concurrency(use_cache=False))
 
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    def test_option_concurrency(self):
 
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        os.environ['BZR_CONCURRENCY'] = '1'
 
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        self.run_bzr('rocks --concurrency 42')
 
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        # Command line overrides envrionment variable
 
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        self.assertEquals('42', os.environ['BZR_CONCURRENCY'])
 
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        self.assertEquals(42, osutils.local_concurrency(use_cache=False))
 
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class TestFailedToLoadExtension(tests.TestCase):
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            r"bzr: warning: some compiled extensions could not be loaded; "
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            "see <https://answers\.launchpad\.net/bzr/\+faq/703>\n"
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            )
 
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class TestTerminalWidth(tests.TestCase):
 
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    def test_default_values(self):
 
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        self.assertEquals(80, osutils.default_terminal_width)
 
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    def test_defaults_to_BZR_COLUMNS(self):
 
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        # BZR_COLUMNS is set by the test framework
 
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        self.assertEquals('80', os.environ['BZR_COLUMNS'])
 
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        os.environ['BZR_COLUMNS'] = '12'
 
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        self.assertEquals(12, osutils.terminal_width())
 
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    def test_tty_default_without_columns(self):
 
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        del os.environ['BZR_COLUMNS']
 
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        del os.environ['COLUMNS']
 
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        orig_stdout = sys.stdout
 
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        def restore():
 
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            sys.stdout = orig_stdout
 
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        self.addCleanup(restore)
 
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        class I_am_a_tty(object):
 
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            def isatty(self):
 
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                return True
 
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        sys.stdout = I_am_a_tty()
 
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        self.assertEquals(None, osutils.terminal_width())
 
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    def test_non_tty_default_without_columns(self):
 
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        del os.environ['BZR_COLUMNS']
 
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        del os.environ['COLUMNS']
 
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        orig_stdout = sys.stdout
 
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        def restore():
 
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            sys.stdout = orig_stdout
 
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        self.addCleanup(restore)
 
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        sys.stdout = None
 
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        self.assertEquals(None, osutils.terminal_width())
 
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    def test_TIOCGWINSZ(self):
 
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        # bug 63539 is about a termios without TIOCGWINSZ attribute
 
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        exist = True
 
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        try:
 
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            orig = termios.TIOCGWINSZ
 
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        except AttributeError:
 
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            exist = False
 
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        def restore():
 
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            if exist:
 
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                termios.TIOCGWINSZ = orig
 
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        self.addCleanup(restore)
 
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        del termios.TIOCGWINSZ
 
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        del os.environ['BZR_COLUMNS']
 
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        del os.environ['COLUMNS']
 
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        self.assertEquals(None, osutils.terminal_width())