r15389: Add some better torture tests for LdbMessage.

Fix up behaviour of Ldb.__setitem__() function.  It should overwrite the
element data.

Add wrapper for ldb_msg_sanity_check().

source/lib/ldb/swig/Ldb.py

@@ -20,6 +20,15 @@
 # Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 #
 
+#
+# Interface notes:
+#
+#   - should an empty dn be represented as None, or an empty string?
+#
+#   - should single-valued attributes be a string, or a list with one
+#     element?
+#
+
 from ldb import *
 
 # Global initialisation
@@ -62,6 +71,9 @@ class LdbMessage:
     def __setattr__(self, attr, value):
         if attr == 'dn':
             self.msg.dn = ldb_dn_explode(self.msg, value)
+            if self.msg.dn == None:
+                err = LDB_ERR_INVALID_DN_SYNTAX
+                raise LdbError(err, ldb_strerror(err))
             return
         self.__dict__[attr] = value
         
@@ -78,6 +90,7 @@ class LdbMessage:
                 for i in range(elt.num_values)]
 
     def __setitem__(self, key, value):
+        ldb_msg_remove_attr(self.msg, key)
         if type(value) in (list, tuple):
             [ldb_msg_add_value(self.msg, key, v) for v in value]
         else:
@@ -99,6 +112,11 @@ class LdbMessage:
     def items(self):
         return [(k, self[k]) for k in self.keys()]
 
+    # Misc stuff
+
+    def sanity_check(self):
+        return ldb_msg_sanity_check(self.msg)
+
 class Ldb:
     """A class representing a binding to a ldb file."""
 

source/lib/ldb/swig/ldb.i

@@ -199,13 +199,18 @@ struct ldb_result {
  * Wrap ldb functions 
  */
 
-int ldb_global_init(void);
+/* Initialisation */
 
+int ldb_global_init(void);
 struct ldb_context *ldb_init(TALLOC_CTX *mem_ctx);
 
+/* Error handling */
+
 const char *ldb_errstring(struct ldb_context *ldb);
 const char *ldb_strerror(int ldb_err);
 
+/* Top-level ldb operations */
+
 int ldb_connect(struct ldb_context *ldb, const char *url, unsigned int flags, const char *options[]);
 
 int ldb_search(struct ldb_context *ldb, const struct ldb_dn *base, enum ldb_scope scope, const char *expression, const char * const *attrs, struct ldb_result **OUT);
@@ -216,9 +221,20 @@ int ldb_rename(struct ldb_context *ldb, const struct ldb_dn *olddn, const struct
 
 int ldb_add(struct ldb_context *ldb, const struct ldb_message *message);
 
+/* Ldb message operations */
+
 struct ldb_message *ldb_msg_new(void *mem_ctx);
+
 struct ldb_message_element *ldb_msg_find_element(const struct ldb_message *msg, const char *attr_name);
+
 int ldb_msg_add_value(struct ldb_message *msg, const char *attr_name, const struct ldb_val *INPUT);
 
+void ldb_msg_remove_attr(struct ldb_message *msg, const char *attr);
+
+int ldb_msg_sanity_check(struct ldb_message *msg);
+
+/* DN operations */
+
 struct ldb_dn *ldb_dn_explode(void *mem_ctx, const char *dn);
+
 char *ldb_dn_linearize(void *mem_ctx, const struct ldb_dn *dn);