[jhbuild] Add get() method to PackageDB mock class

[Frederic Peters <fpeters src gnome org>]

commit c277b3fe56c8a0ef3a733858ba9ea30867512fbc
Author: FrÃdÃric PÃters <fpeters 0d be>
Date:   Sat Oct 8 10:37:51 2011 -0400

    Add get() method to PackageDB mock class

 tests/mock.py |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)
---
diff --git a/tests/mock.py b/tests/mock.py
index 7039434..c141c27 100644
--- a/tests/mock.py
+++ b/tests/mock.py
@@ -100,6 +100,9 @@ class PackageDB:
             return None
         return entry.metadata['installed-date']
 
+    def get(self, package):
+        '''Return entry if package is installed, otherwise return None.'''
+        return self.entries.get(package)
 
 class BuildScript(jhbuild.frontends.buildscript.BuildScript):
     execute_is_failure = False