Make a GrepFilter for every argument passed to the ListCommand.

This ANDs all arguments, resulting in the todos that match all
substrings.

lib/ListCommand.py

@@ -54,8 +54,8 @@ class ListCommand(Command.Command):
         sorter = Sorter.Sorter(self.sort_expression)
         filters = [] if self.show_all else [Filter.DependencyFilter(self.todolist), Filter.RelevanceFilter()]
 
-        if len(args) > 0:
-            filters.append(Filter.GrepFilter(args[0]))
+        for arg in args:
+            filters.append(Filter.GrepFilter(arg))
 
         filters.append(Filter.LimitFilter(Config.LIST_LIMIT))
 

test/ListCommandTest.py

@@ -78,6 +78,14 @@ class ListCommandTest(CommandTest.CommandTest):
         self.assertEquals(self.output, "")
         self.assertEquals(self.errors, "")
 
+    def test_list9(self):
+        command = ListCommand.ListCommand(["text1", "2"], self.todolist, self.out, self.errors)
+        command.execute()
+
+        self.assertFalse(self.todolist.is_dirty())
+        self.assertEquals(self.output, "  2 (D) Bar @Context1 +Project2 p:1\n")
+        self.assertEquals(self.errors, "")
+
     def test_help(self):
         command = ListCommand.ListCommand(["help"], self.todolist, self.out, self.error)
         command.execute()