[tracker/unique-nie-url] functional-tests: New insertion test to check that nie:url can't be duplicated

[Aleksander Morgado <aleksm src gnome org>]

commit 2283f2af942a6e9ac89d3f7eabfa0163c736cac3
Author: Aleksander Morgado <aleksander lanedo com>
Date:   Tue Feb 8 18:39:04 2011 +0100

    functional-tests: New insertion test to check that nie:url can't be duplicated

 tests/functional-tests/01-insertion.py |   33 ++++++++++++++++++++++++++++++++
 1 files changed, 33 insertions(+), 0 deletions(-)
---
diff --git a/tests/functional-tests/01-insertion.py b/tests/functional-tests/01-insertion.py
index 8dc4085..2f5e869 100755
--- a/tests/functional-tests/01-insertion.py
+++ b/tests/functional-tests/01-insertion.py
@@ -379,6 +379,39 @@ class TrackerStoreInsertionTests (CommonTrackerStoreTest):
                 """
                 self.__insert_invalid_date_test ("2004-05-06T1g:14:15-0200")
 
+	def test_insert_duplicated_url_01 (self):
+		"""
+                1. Insert a FileDataObject with a known nie:url, twice
+                """
+
+		url = "file:///some/magic/path/here"
+
+		insert = """
+                INSERT {
+                   _:tag a nfo:FileDataObject;
+		         nie:url '%s'.
+                }
+                """ % (url)
+
+		# First insert should go ok
+		self.tracker.update (insert)
+		# Second insert should not be ok
+		try:
+			self.tracker.update (insert)
+		except Exception:
+			pass
+
+		# Only 1 element must be available with the given nie:url
+		select = """
+                SELECT ?u WHERE { ?u nie:url \"%s\" }
+                """ % (url)
+		self.assertEquals (len (self.tracker.query (select)), 1)
+
+		# Cleanup
+		self.tracker.update ("""
+                DELETE { ?u a rdfs:Resource } WHERE { ?u a rdfs:Resource ; nie:url '%s' }
+                """ % (url))
+
 
 class TrackerStoreDeleteTests (CommonTrackerStoreTest):
         """