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diff --git a/src/etap/etap_application.erl b/src/etap/etap_application.erl
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+%% Copyright (c) 2008-2009 Nick Gerakines <nick@gerakines.net>
+%% 
+%% Permission is hereby granted, free of charge, to any person
+%% obtaining a copy of this software and associated documentation
+%% files (the "Software"), to deal in the Software without
+%% restriction, including without limitation the rights to use,
+%% copy, modify, merge, publish, distribute, sublicense, and/or sell
+%% copies of the Software, and to permit persons to whom the
+%% Software is furnished to do so, subject to the following
+%% conditions:
+%% 
+%% The above copyright notice and this permission notice shall be
+%% included in all copies or substantial portions of the Software.
+%% 
+%% THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+%% EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
+%% OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+%% NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
+%% HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+%% WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+%% FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+%% OTHER DEALINGS IN THE SOFTWARE.
+%%
+%% @author Nick Gerakines <nick@gerakines.net> [http://socklabs.com/]
+%% @copyright 2008 Nick Gerakines
+%% @reference http://testanything.org/wiki/index.php/Main_Page
+%% @reference http://en.wikipedia.org/wiki/Test_Anything_Protocol
+%% @todo Explain in documentation why we use a process to handle test input.
+%% @todo Add test to verify the number of members in a pg2 group.
+%% @doc Provide test functionality to the application and related behaviors.
+-module(etap_application).
+-export([
+    start_ok/2, ensure_loaded/3, load_ok/2,
+    pg2_group_exists/2, pg2_group_doesntexist/2
+]).
+
+%% @spec load_ok(string(), string()) -> true | false
+%% @doc Assert that an application can be loaded successfully.
+load_ok(AppName, Desc) ->
+    etap:ok(application:load(AppName) == ok, Desc).
+
+%% @spec start_ok(string(), string()) -> true | false
+%% @doc Assert that an application can be started successfully.
+start_ok(AppName, Desc) ->
+    etap:ok(application:start(AppName) == ok, Desc).
+
+%% @spec ensure_loaded(string(), string(), string()) -> true | false
+%% @doc Assert that an application has been loaded successfully.
+ensure_loaded(AppName, AppVsn, Desc) ->
+    etap:any(
+        fun(Match) -> case Match of {AppName, _, AppVsn} -> true; _ -> false end end,
+        application:loaded_applications(),
+        Desc
+    ).
+
+%% @spec pg2_group_exists(string(), string()) -> true | false
+%% @doc Assert that a pg2 group exists.
+pg2_group_exists(GroupName, Desc) ->
+    etap:any(
+        fun(Match) -> Match == GroupName end,
+        pg2:which_groups(),
+        Desc
+    ).
+
+%% @spec pg2_group_doesntexist(string(), string()) -> true | false
+%% @doc Assert that a pg2 group does not exists.
+pg2_group_doesntexist(GroupName, Desc) ->
+    etap:none(
+        fun(Match) -> Match == GroupName end,
+        pg2:which_groups(),
+        Desc
+    ).