Tests: add resolver/test_backtracking

diff --git a/pym/portage/tests/resolver/test_backtracking.py b/pym/portage/tests/resolver/test_backtracking.py
new file mode 100644 (file)
index 0000000..d219c6b
--- /dev/null
+++ b/pym/portage/tests/resolver/test_backtracking.py
@@ -0,0 +1,31 @@
+# Copyright 2010 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+
+from portage.tests import TestCase
+from portage.tests.resolver.ResolverPlayground import ResolverPlayground, ResolverPlaygroundTestCase
+
+class BacktrackingTestCase(TestCase):
+
+       def testBacktracking(self):
+               ebuilds = {
+                       "dev-libs/A-1": {},
+                       "dev-libs/A-2": {},
+                       "dev-libs/B-1": { "DEPEND": "dev-libs/A" },
+                       }
+
+               test_cases = (
+                               ResolverPlaygroundTestCase(
+                                       ["=dev-libs/A-1", "dev-libs/B"],
+                                       all_permutations = True,
+                                       mergelist = ["dev-libs/A-1", "dev-libs/B-1"],
+                                       success = True),
+                       )
+
+               playground = ResolverPlayground(ebuilds=ebuilds)
+
+               try:
+                       for test_case in test_cases:
+                               playground.run_TestCase(test_case)
+                               self.assertEqual(test_case.test_success, True, test_case.fail_msg)
+               finally:
+                       playground.cleanup()