python/tests: expand samba-tool dns tests

These new tests concern collisions and lock in current Samba behaviour.

They do not pass against Windows Server 2012R2. See dnsserver.py tests
for the tests consistent with Windows behaviour.

Signed-off-by: Bob Campbell <bobcampbell@catalyst.net.nz>
Reviewed-by: Garming Sam <garming@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>

1 files changed, 104 insertions, 0 deletions

diff --git a/python/samba/tests/samba_tool/dnscmd.py b/python/samba/tests/samba_tool/dnscmd.py
index c1cb7df1e76..3a369d95b8a 100644
--- a/python/samba/tests/samba_tool/dnscmd.py
+++ b/python/samba/tests/samba_tool/dnscmd.py
@@ -521,6 +521,81 @@ class DnsCmdTestCase(SambaToolCmdTest):
                         "Invalid error message '%s' when attempting to " \
                         "add record of type SOA." % err)
 
+    def test_add_overlapping_different_type(self):
+        """
+        Make sure that we can add an entry with the same name as an existing one but a different type.
+        """
+
+        i = 0
+        for dnstype1 in self.good_records:
+            record1 = self.good_records[dnstype1][0]
+            for dnstype2 in self.good_records:
+                # Only do some subset of dns types, otherwise it takes a long time.
+                i += 1
+                if i % 4 != 0:
+                    continue
+
+                if dnstype1 == dnstype2:
+                    continue
+
+                record2 = self.good_records[dnstype2][0]
+
+                result, out, err = self.runsubcmd("dns", "add",
+                                                  os.environ["SERVER"],
+                                                  self.zone, "testrecord",
+                                                  dnstype1, record1,
+                                                  self.creds_string)
+                self.assertCmdSuccess(result, out, err, "Failed to add record " \
+                                      "'%s' of type '%s'." % (record1, dnstype1))
+
+                result, out, err = self.runsubcmd("dns", "add",
+                                                  os.environ["SERVER"],
+                                                  self.zone, "testrecord",
+                                                  dnstype2, record2,
+                                                  self.creds_string)
+                self.assertCmdSuccess(result, out, err, "Failed to add record " \
+                                      "'%s' of type '%s' when a record '%s' " \
+                                      "of type '%s' with the same name exists."
+                                      % (record1, dnstype1, record2, dnstype2))
+
+                result, out, err = self.runsubcmd("dns", "query",
+                                                  os.environ["SERVER"],
+                                                  self.zone, "testrecord",
+                                                  dnstype1, self.creds_string)
+                self.assertCmdSuccess(result, out, err, "Failed to query for " \
+                                      "record '%s' of type '%s' when a new " \
+                                      "record '%s' of type '%s' with the same " \
+                                      "name was added."
+                                      % (record1, dnstype1, record2, dnstype2))
+
+                result, out, err = self.runsubcmd("dns", "query",
+                                                  os.environ["SERVER"],
+                                                  self.zone, "testrecord",
+                                                  dnstype2, self.creds_string)
+                self.assertCmdSuccess(result, out, err, "Failed to query " \
+                                      "record '%s' of type '%s' which should " \
+                                      "have been added with the same name as " \
+                                      "record '%s' of type '%s'."
+                                      % (record2, dnstype2, record1, dnstype1))
+
+                result, out, err = self.runsubcmd("dns", "delete",
+                                                  os.environ["SERVER"],
+                                                  self.zone, "testrecord",
+                                                  dnstype1, record1,
+                                                  self.creds_string)
+                self.assertCmdSuccess(result, out, err, "Failed to delete " \
+                                      "record '%s' of type '%s'."
+                                      % (record1, dnstype1))
+
+                result, out, err = self.runsubcmd("dns", "delete",
+                                                  os.environ["SERVER"],
+                                                  self.zone, "testrecord",
+                                                  dnstype2, record2,
+                                                  self.creds_string)
+                self.assertCmdSuccess(result, out, err, "Failed to delete " \
+                                      "record '%s' of type '%s'."
+                                      % (record2, dnstype2))
+
     def test_query_deleted_record(self):
         self.runsubcmd("dns", "add", os.environ["SERVER"], self.zone,
                        "testrecord", "A", self.testip, self.creds_string)
@@ -533,6 +608,35 @@ class DnsCmdTestCase(SambaToolCmdTest):
                                           "A", self.creds_string)
         self.assertCmdFail(result)
 
+    def test_add_duplicate_record(self):
+        for record_type in self.good_records:
+            result, out, err = self.runsubcmd("dns", "add",
+                                              os.environ["SERVER"],
+                                              self.zone, "testrecord",
+                                              record_type,
+                                              self.good_records[record_type][0],
+                                              self.creds_string)
+            self.assertCmdSuccess(result, out, err)
+            result, out, err = self.runsubcmd("dns", "add",
+                                              os.environ["SERVER"],
+                                              self.zone, "testrecord",
+                                              record_type,
+                                              self.good_records[record_type][0],
+                                              self.creds_string)
+            self.assertCmdFail(result)
+            result, out, err = self.runsubcmd("dns", "query",
+                                              os.environ["SERVER"],
+                                              self.zone, "testrecord",
+                                              record_type, self.creds_string)
+            self.assertCmdSuccess(result, out, err)
+            result, out, err = self.runsubcmd("dns", "delete",
+                                              os.environ["SERVER"],
+                                              self.zone, "testrecord",
+                                              record_type,
+                                              self.good_records[record_type][0],
+                                              self.creds_string)
+            self.assertCmdSuccess(result, out, err)
+
     def test_remove_deleted_record(self):
         self.runsubcmd("dns", "add", os.environ["SERVER"], self.zone,
                        "testrecord", "A", self.testip, self.creds_string)