merged lp:~kiwinote/python-apt/merge-gdebi-changes, this port the

DebPackage class fixes from gdebi into python-apt so that gdebi can
use the class from python-apt directly

1 files changed, 20 insertions, 2 deletions

diff --git a/tests/test_apt_cache.py b/tests/test_apt_cache.py
index b27ed778..653a0f48 100644
--- a/tests/test_apt_cache.py
+++ b/tests/test_apt_cache.py
@@ -6,12 +6,15 @@
 # are permitted in any medium without royalty provided the copyright
 # notice and this notice are preserved.
 """Unit tests for verifying the correctness of check_dep, etc in apt_pkg."""
+import os
+import tempfile
 import unittest
 
+import sys
+sys.path.insert(0, "..")
+
 import apt
 import apt_pkg
-import os
-import tempfile
 
 
 class TestAptCache(unittest.TestCase):
@@ -42,6 +45,21 @@ class TestAptCache(unittest.TestCase):
                 self.assert_(len(r['Description']) > 0)
                 self.assert_(str(r).startswith('Package: %s\n' % pkg.name))
 
+    def test_get_provided_packages(self):
+        cache = apt.Cache()
+        # a true virtual pkg
+        l = cache.get_providing_packages("mail-transport-agent")
+        self.assertTrue(len(l) > 0)
+        # this is a not virtual (transitional) package provided by another 
+        l = cache.get_providing_packages("scrollkeeper")
+        self.assertEqual(l, [])
+        # now inlcude nonvirtual packages in the search (rarian-compat
+        # provides scrollkeeper)
+        l = cache.get_providing_packages("scrollkeeper", 
+                                         include_nonvirtual=True)
+        self.assertTrue(len(l), 1)
+        
+
     def test_dpkg_journal_dirty(self):
         # backup old value
         old_status = apt_pkg.Config.find_file("Dir::State::status")