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bzrlib/tests/test_library_state.py
 
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# Copyright (C) 2010 Canonical Ltd
 
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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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 
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"""Tests for BzrLibraryState."""
 
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import bzrlib
 
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from bzrlib import (
 
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    library_state,
 
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    tests,
 
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    ui as _mod_ui
 
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    )
 
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from bzrlib.tests import fixtures
 
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# TODO: once sufficiently cleaned up this should be able to be TestCase.
 
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class TestLibraryState(tests.TestCaseWithTransport):
 
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    def test_ui_is_used(self):
 
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        ui = _mod_ui.SilentUIFactory()
 
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        state = library_state.BzrLibraryState(
 
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            ui=ui, trace=fixtures.RecordingContextManager())
 
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        orig_ui = _mod_ui.ui_factory
 
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        state.__enter__()
 
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        try:
 
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            self.assertEqual(ui, _mod_ui.ui_factory)
 
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        finally:
 
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            state.__exit__(None, None, None)
 
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            self.assertEqual(orig_ui, _mod_ui.ui_factory)
 
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    def test_trace_context(self):
 
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        tracer = fixtures.RecordingContextManager()
 
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        ui = _mod_ui.SilentUIFactory()
 
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        state = library_state.BzrLibraryState(ui=ui, trace=tracer)
 
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        state.__enter__()
 
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        try:
 
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            self.assertEqual(['__enter__'], tracer._calls)
 
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        finally:
 
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            state.__exit__(None, None, None)
 
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            self.assertEqual(['__enter__', '__exit__'], tracer._calls)