1 files changed, 51 insertions, 0 deletions
diff --git a/bzrlib/tests/test_library_state.py b/bzrlib/tests/test_library_state.py
new file mode 100644
index 0000000..fcc871b
--- /dev/null
+++ b/bzrlib/tests/test_library_state.py
@@ -0,0 +1,51 @@
+# Copyright (C) 2010, 2011 Canonical Ltd
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+
+"""Tests for BzrLibraryState."""
+
+from bzrlib import (
+    library_state,
+    tests,
+    ui as _mod_ui
+    )
+from bzrlib.tests import fixtures
+
+
+# TODO: once sufficiently cleaned up this should be able to be TestCase.
+class TestLibraryState(tests.TestCaseWithTransport):
+
+    def test_ui_is_used(self):
+        ui = _mod_ui.SilentUIFactory()
+        state = library_state.BzrLibraryState(
+            ui=ui, trace=fixtures.RecordingContextManager())
+        orig_ui = _mod_ui.ui_factory
+        state.__enter__()
+        try:
+            self.assertEqual(ui, _mod_ui.ui_factory)
+        finally:
+            state.__exit__(None, None, None)
+            self.assertEqual(orig_ui, _mod_ui.ui_factory)
+
+    def test_trace_context(self):
+        tracer = fixtures.RecordingContextManager()
+        ui = _mod_ui.SilentUIFactory()
+        state = library_state.BzrLibraryState(ui=ui, trace=tracer)
+        state.__enter__()
+        try:
+            self.assertEqual(['__enter__'], tracer._calls)
+        finally:
+            state.__exit__(None, None, None)
+            self.assertEqual(['__enter__', '__exit__'], tracer._calls)