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Viewing changes to bzrlib/tests/test_progress.py

  • Committer: Canonical.com Patch Queue Manager
  • Date: 2011-06-30 18:28:17 UTC
  • mfrom: (5967.10.2 test-cat)
  • Revision ID: pqm@pqm.ubuntu.com-20110630182817-83a5q9r9rxfkdn8r
(mbp) don't use subprocesses for testing cat (Martin Pool)

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bzrlib/tests/test_progress.py
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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from cStringIO import StringIO
 
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from StringIO import StringIO
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from bzrlib import (
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    tests,
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    )
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from bzrlib.progress import (
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    ProgressTask,
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    )
 
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from bzrlib.tests import TestCase
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from bzrlib.ui.text import (
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    TextProgressView,
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    )
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class TestTextProgressView(tests.TestCase):
 
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class _TTYStringIO(StringIO):
 
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    """A helper class which makes a StringIO look like a terminal"""
 
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    def isatty(self):
 
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        return True
 
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class _NonTTYStringIO(StringIO):
 
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    """Helper that implements isatty() but returns False"""
 
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    def isatty(self):
 
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        return False
 
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class TestTextProgressView(TestCase):
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    """Tests for text display of progress bars.
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    These try to exercise the progressview independently of its construction,
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    # The ProgressTask now connects directly to the ProgressView, so we can
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    # check them independently of the factory or of the determination of what
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    # view to use.
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    def make_view_only(self, out, width=79):
 
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    def make_view(self):
 
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        out = StringIO()
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        view = TextProgressView(out)
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        view._avail_width = lambda: width
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        return view
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    def make_view(self):
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        out = StringIO()
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        return out, self.make_view_only(out)
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        view._avail_width = lambda: 79
 
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        return out, view
 
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    def make_task(self, parent_task, view, msg, curr, total):
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        # would normally be done by UIFactory; is done here so that we don't
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        # have to have one.
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'   123kB   100kB/s \\ start_aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa.. 2000/5000',
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           line) 
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        self.assertEqual(len(line), 79)
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    def test_render_progress_unicode_enc_utf8(self):
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        out = tests.StringIOWrapper()
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        out.encoding = "utf-8"
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        view = self.make_view_only(out, 20)
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        task = self.make_task(None, view, u"\xa7", 0, 1)
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        view.show_progress(task)
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        self.assertEqual('\r/ \xc2\xa7 0/1            \r',
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            out.getvalue())
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    def test_render_progress_unicode_enc_missing(self):
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        out = StringIO()
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        self.assertRaises(AttributeError, getattr, out, "encoding")
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        view = self.make_view_only(out, 20)
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        task = self.make_task(None, view, u"\xa7", 0, 1)
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        view.show_progress(task)
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        self.assertEqual('\r/ ? 0/1             \r',
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            out.getvalue())
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    def test_render_progress_unicode_enc_none(self):
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        out = tests.StringIOWrapper()
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        out.encoding = None
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        view = self.make_view_only(out, 20)
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        task = self.make_task(None, view, u"\xa7", 0, 1)
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        view.show_progress(task)
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        self.assertEqual('\r/ ? 0/1             \r',
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            out.getvalue())