From f3d13cdfeeaf1f4c0dd938bdee455b0812678eb0 Mon Sep 17 00:00:00 2001
From: Adam Kocoloski <adam@cloudant.com>
Date: Wed, 11 Aug 2010 15:41:54 -0400
Subject: move etap to rebar layout and add simple .app template

---
 apps/etap/src/etap_can.erl | 79 ++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 79 insertions(+)
 create mode 100644 apps/etap/src/etap_can.erl

(limited to 'apps/etap/src/etap_can.erl')

diff --git a/apps/etap/src/etap_can.erl b/apps/etap/src/etap_can.erl
new file mode 100644
index 00000000..552b7174
--- /dev/null
+++ b/apps/etap/src/etap_can.erl
@@ -0,0 +1,79 @@
+%% 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.
+%%
+%% @reference http://testanything.org/wiki/index.php/Main_Page
+%% @reference http://en.wikipedia.org/wiki/Test_Anything_Protocol
+%% @doc Provide test functionality modules
+-module(etap_can).
+
+-export([
+    loaded_ok/2, can_ok/2, can_ok/3,
+    has_attrib/2, is_attrib/3, is_behaviour/2
+]).
+
+%% @spec loaded_ok(atom(), string()) -> true | false
+%% @doc Assert that a module has been loaded successfully.
+loaded_ok(M, Desc) when is_atom(M) ->
+    etap:fun_is(fun({module, _}) -> true; (_) -> false end, code:load_file(M), Desc).
+
+%% @spec can_ok(atom(), atom()) -> true | false
+%% @doc Assert that a module exports a given function.
+can_ok(M, F) when is_atom(M), is_atom(F) ->
+    Matches = [X || {X, _} <- M:module_info(exports), X == F],
+    etap:ok(Matches > 0, lists:concat([M, " can ", F])).
+
+%% @spec can_ok(atom(), atom(), integer()) -> true | false
+%% @doc Assert that a module exports a given function with a given arity.
+can_ok(M, F, A) when is_atom(M); is_atom(F), is_number(A) ->
+    Matches = [X || X <- M:module_info(exports), X == {F, A}],
+    etap:ok(Matches > 0, lists:concat([M, " can ", F, "/", A])).
+
+%% @spec has_attrib(M, A) -> true | false
+%%       M = atom()
+%%       A = atom()
+%% @doc Asserts that a module has a given attribute.
+has_attrib(M, A) when is_atom(M), is_atom(A) ->
+    etap:isnt(
+        proplists:get_value(A, M:module_info(attributes), 'asdlkjasdlkads'),
+        'asdlkjasdlkads',
+        lists:concat([M, " has attribute ", A])
+    ).
+
+%% @spec has_attrib(M, A. V) -> true | false
+%%       M = atom()
+%%       A = atom()
+%%       V = any()
+%% @doc Asserts that a module has a given attribute with a given value.
+is_attrib(M, A, V) when is_atom(M) andalso is_atom(A) ->
+    etap:is(
+        proplists:get_value(A, M:module_info(attributes)),
+        [V],
+        lists:concat([M, "'s ", A, " is ", V])
+    ).
+
+%% @spec is_behavior(M, B) -> true | false
+%%       M = atom()
+%%       B = atom()
+%% @doc Asserts that a given module has a specific behavior.
+is_behaviour(M, B) when is_atom(M) andalso is_atom(B) ->
+    is_attrib(M, behaviour, B).
-- 
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