1 files changed, 34 insertions, 0 deletions
diff --git a/tests/test_apt_cache.py b/tests/test_apt_cache.py
new file mode 100644
index 00000000..fdcf482d
--- /dev/null
+++ b/tests/test_apt_cache.py
@@ -0,0 +1,34 @@
+#!/usr/bin/python
+#
+# Copyright (C) 2010 Julian Andres Klode <jak@debian.org>
+#
+# Copying and distribution of this file, with or without modification,
+# 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 unittest
+
+import apt
+
+
+class TestAptCache(unittest.TestCase):
+    """ test the apt cache """
+
+    def testAptCache(self):
+        """cache: iterate all packages and all dependencies """
+        cache = apt.Cache()
+        # number is not meaningful and just need to be "big enough",
+        # the important bit is the test against __len__
+        self.assertTrue(len(cache) > 100)
+        # go over the cache and all dependencies, just to see if
+        # that is possible and does not crash
+        for pkg in cache:
+            if pkg.candidate:
+                for or_dep in pkg.candidate.dependencies:
+                    for dep in or_dep.or_dependencies:
+                        self.assertTrue(dep.name)
+                        self.assertTrue(isinstance(dep.relation, str))
+                        self.assertTrue(dep.pre_depend in (True, False))
+
+if __name__ == "__main__":
+    unittest.main()