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-rw-r--r--src/etap/etap_can.erl79
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diff --git a/src/etap/etap_can.erl b/src/etap/etap_can.erl
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--- a/src/etap/etap_can.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.
-%%
-%% @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).