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-rw-r--r--pym/portage/tests/resolver/test_backtracking.py72
1 files changed, 72 insertions, 0 deletions
diff --git a/pym/portage/tests/resolver/test_backtracking.py b/pym/portage/tests/resolver/test_backtracking.py
index 91a739aaf..41b6d50b6 100644
--- a/pym/portage/tests/resolver/test_backtracking.py
+++ b/pym/portage/tests/resolver/test_backtracking.py
@@ -30,6 +30,44 @@ class BacktrackingTestCase(TestCase):
finally:
playground.cleanup()
+
+ def testHittingTheBacktrackLimit(self):
+ ebuilds = {
+ "dev-libs/A-1": {},
+ "dev-libs/A-2": {},
+ "dev-libs/B-1": {},
+ "dev-libs/B-2": {},
+ "dev-libs/C-1": { "DEPEND": "dev-libs/A dev-libs/B" },
+ "dev-libs/D-1": { "DEPEND": "=dev-libs/A-1 =dev-libs/B-1" },
+ }
+
+ test_cases = (
+ ResolverPlaygroundTestCase(
+ ["dev-libs/C", "dev-libs/D"],
+ all_permutations = True,
+ mergelist = ["dev-libs/A-1", "dev-libs/B-1", "dev-libs/C-1", "dev-libs/D-1"],
+ ignore_mergelist_order = True,
+ success = True),
+ #This one hits the backtrack limit. Be aware that this depends on the argument order.
+ ResolverPlaygroundTestCase(
+ ["dev-libs/D", "dev-libs/C"],
+ options = { "--backtrack": 1 },
+ mergelist = ["dev-libs/A-1", "dev-libs/B-1", "dev-libs/A-2", "dev-libs/B-2", "dev-libs/C-1", "dev-libs/D-1"],
+ ignore_mergelist_order = True,
+ slot_collision_solutions = [],
+ success = False),
+ )
+
+ 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()
+
+
def testBacktrackingGoodVersionFirst(self):
"""
When backtracking due to slot conflicts, we masked the version that has been pulled
@@ -59,3 +97,37 @@ class BacktrackingTestCase(TestCase):
self.assertEqual(test_case.test_success, True, test_case.fail_msg)
finally:
playground.cleanup()
+
+ def testBacktrackWithoutUpdates(self):
+ """
+ If --update is not given we might have to mask the old installed version later.
+ """
+
+ ebuilds = {
+ "dev-libs/A-1": { "DEPEND": "dev-libs/Z" },
+ "dev-libs/B-1": { "DEPEND": ">=dev-libs/Z-2" },
+ "dev-libs/Z-1": { },
+ "dev-libs/Z-2": { },
+ }
+
+ installed = {
+ "dev-libs/Z-1": { "USE": "" },
+ }
+
+ test_cases = (
+ ResolverPlaygroundTestCase(
+ ["dev-libs/B", "dev-libs/A"],
+ all_permutations = True,
+ mergelist = ["dev-libs/Z-2", "dev-libs/B-1", "dev-libs/A-1", ],
+ ignore_mergelist_order = True,
+ success = True),
+ )
+
+ playground = ResolverPlayground(ebuilds=ebuilds, installed=installed)
+
+ 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()