1 files changed, 81 insertions, 0 deletions
diff --git a/bzrlib/tests/test_identitymap.py b/bzrlib/tests/test_identitymap.py
new file mode 100644
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+++ b/bzrlib/tests/test_identitymap.py
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+# Copyright (C) 2005 Canonical Ltd
+#   Authors: Robert Collins <robert.collins@canonical.com>
+#
+# 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 the IdentityMap class."""
+
+# import system imports here
+
+#import bzrlib specific imports here
+import bzrlib.errors as errors
+from bzrlib.tests import TestCase
+import bzrlib.identitymap as identitymap
+
+
+class TestIdentityMap(TestCase):
+
+    def test_symbols(self):
+        from bzrlib.identitymap import IdentityMap
+
+    def test_construct(self):
+        identitymap.IdentityMap()
+
+    def test_add_weave(self):
+        map = identitymap.IdentityMap()
+        weave = "foo"
+        map.add_weave("id", weave)
+        self.assertEqual(weave, map.find_weave("id"))
+
+    def test_double_add_weave(self):
+        map = identitymap.IdentityMap()
+        weave = "foo"
+        map.add_weave("id", weave)
+        self.assertRaises(errors.BzrError, map.add_weave, "id", weave)
+        self.assertEqual(weave, map.find_weave("id"))
+
+    def test_remove_object(self):
+        map = identitymap.IdentityMap()
+        weave = "foo"
+        map.add_weave("id", weave)
+        map.remove_object(weave)
+        map.add_weave("id", weave)
+
+
+class TestNullIdentityMap(TestCase):
+
+    def test_symbols(self):
+        from bzrlib.identitymap import NullIdentityMap
+
+    def test_construct(self):
+        identitymap.NullIdentityMap()
+
+    def test_add_weave(self):
+        map = identitymap.NullIdentityMap()
+        weave = "foo"
+        map.add_weave("id", weave)
+        self.assertEqual(None, map.find_weave("id"))
+
+    def test_double_add_weave(self):
+        map = identitymap.NullIdentityMap()
+        weave = "foo"
+        map.add_weave("id", weave)
+        map.add_weave("id", weave)
+        self.assertEqual(None, map.find_weave("id"))
+
+    def test_null_identity_map_has_no_remove(self):
+        map = identitymap.NullIdentityMap()
+        self.assertEqual(None, getattr(map, 'remove_object', None))
+