test_memory_cache: Test removing mc without invalidation

Long living clients should be able to reinitialize
memory cache which was removed but it not initialized.

This patch also remove workaround in test_local_domain.py

Test for:
https://fedorahosted.org/sssd/ticket/2726

Reviewed-by: Michal Židek <mzidek@redhat.com>

2 files changed, 38 insertions, 4 deletions

diff --git a/src/tests/intg/test_local_domain.py b/src/tests/intg/test_local_domain.py
index c62de16c..4de0f5da 100644
--- a/src/tests/intg/test_local_domain.py
+++ b/src/tests/intg/test_local_domain.py
@@ -61,10 +61,8 @@ def create_sssd_fixture(request):
         subprocess.call(["sss_cache", "-E"])
         for path in os.listdir(config.DB_PATH):
             os.unlink(config.DB_PATH + "/" + path)
-        # FIXME: Uncomment this when ticket #2726 is solved
-        # https://fedorahosted.org/sssd/ticket/2726
-        # for path in os.listdir(config.MCACHE_PATH):
-        #     os.unlink(config.MCACHE_PATH + "/" + path)
+        for path in os.listdir(config.MCACHE_PATH):
+            os.unlink(config.MCACHE_PATH + "/" + path)
     request.addfinalizer(teardown)
 
 
diff --git a/src/tests/intg/test_memory_cache.py b/src/tests/intg/test_memory_cache.py
index a8d6d8f5..c88bd896 100644
--- a/src/tests/intg/test_memory_cache.py
+++ b/src/tests/intg/test_memory_cache.py
@@ -743,3 +743,39 @@ def test_invalidate_everything_after_stop(ldap_conn, sanity_rfc2307):
     subprocess.call(["sss_cache", "-E"])
 
     assert_missing_mc_records_for_user1()
+
+
+def test_removed_mc(ldap_conn, sanity_rfc2307):
+    """
+    Regression test for ticket:
+    https://fedorahosted.org/sssd/ticket/2726
+    """
+
+    ent.assert_passwd_by_name(
+        'user1',
+        dict(name='user1', passwd='*', uid=1001, gid=2001,
+             gecos='1001', shell='/bin/bash'))
+    ent.assert_passwd_by_uid(
+        1001,
+        dict(name='user1', passwd='*', uid=1001, gid=2001,
+             gecos='1001', shell='/bin/bash'))
+
+    ent.assert_group_by_name("group1", dict(name="group1", gid=2001))
+    ent.assert_group_by_gid(2001, dict(name="group1", gid=2001))
+    stop_sssd()
+
+    # remove cache without invalidation
+    for path in os.listdir(config.MCACHE_PATH):
+        os.unlink(config.MCACHE_PATH + "/" + path)
+
+    # sssd is stopped; so the memory cache should not be used
+    # in long living clients (py.test in this case)
+    with pytest.raises(KeyError):
+        pwd.getpwnam('user1')
+    with pytest.raises(KeyError):
+        pwd.getpwuid(1001)
+
+    with pytest.raises(KeyError):
+        grp.getgrnam('group1')
+    with pytest.raises(KeyError):
+        grp.getgrgid(2001)