From c9c5497f7e7665b49062c33253c6d693e2a5e654 Mon Sep 17 00:00:00 2001
From: Andrey Pampukha <andrey@erlang.org>
Date: Fri, 19 Feb 2010 14:59:39 +0100
Subject: Add support for user config in common_test

Added:
1. ct_config, ct_config_plain and ct_config_xml modules.
2. support for {userconfig, {Callback, ConfigFiles}} parameter to ct:run_test/1
3. support for "-userconfig Callback ConfigFiles and OtherCallback ConfigFiles" parameter to the run_test script
---
 lib/common_test/src/ct_config.erl | 117 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 117 insertions(+)
 create mode 100755 lib/common_test/src/ct_config.erl

(limited to 'lib/common_test/src/ct_config.erl')

diff --git a/lib/common_test/src/ct_config.erl b/lib/common_test/src/ct_config.erl
new file mode 100755
index 0000000000..f344813128
--- /dev/null
+++ b/lib/common_test/src/ct_config.erl
@@ -0,0 +1,117 @@
+%%--------------------------------------------------------------------
+%% %CopyrightBegin%
+%%
+%% Copyright Ericsson AB 2010. All Rights Reserved.
+%%
+%% The contents of this file are subject to the Erlang Public License,
+%% Version 1.1, (the "License"); you may not use this file except in
+%% compliance with the License. You should have received a copy of the
+%% Erlang Public License along with this software. If not, it can be
+%% retrieved online at http://www.erlang.org/.
+%%
+%% Software distributed under the License is distributed on an "AS IS"
+%% basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
+%% the License for the specific language governing rights and limitations
+%% under the License.
+%%
+%% %CopyrightEnd%
+%%----------------------------------------------------------------------
+%% File    : ct_config.erl
+%% Description : CT module for reading and manipulating of configuration
+%%		 data
+%%
+%% Created : 15 February 2010
+%%----------------------------------------------------------------------
+-module(ct_config).
+
+-export([read_config_files/1,
+	set_config/1, set_config/2, set_config/3,
+	delete_config/1,
+	get_config_file_list/1]).
+
+-include("ct_event.hrl").
+-include("ct_util.hrl").
+
+-record(ct_conf,{key,value,ref,name='_UNDEF',default=false}).
+%% default = {true,suite} | {true,testcase} | false
+
+read_config_files(Opts) ->
+    AddCallback = fun(CallBack, Files)->
+	lists:map(fun(X)-> {CallBack, X} end, Files)
+    end,
+    ConfigFiles = case lists:keyfind(config, 1, Opts) of
+	{config, ConfigLists}->
+	    lists:foldr(fun({Callback,Files}, Acc)->
+				AddCallback(Callback,Files) ++ Acc
+			end,
+			[],
+			ConfigLists);
+	false->
+	    []
+    end,
+    read_config_files_int(ConfigFiles).
+
+read_config_files_int([{Callback, File}|Files])->
+    case Callback:read_config_file(File) of
+	{ok, Config}->
+	    set_config(Config),
+	    read_config_files_int(Files);
+	{error, ErrorName, ErrorDetail}->
+	    {user_error, {ErrorName, File, ErrorDetail}}
+    end;
+read_config_files_int([])->
+    ok.
+
+set_config(Config) ->
+    set_config('_UNDEF',Config,false).
+
+set_config(Config,Default) ->
+    set_config('_UNDEF',Config,Default).
+
+set_config(Name,Config,Default) ->
+    [ets:insert(?attr_table,
+		#ct_conf{key=Key,value=Val,ref=ct_util:ct_make_ref(),
+			 name=Name,default=Default}) ||
+	{Key,Val} <- Config].
+
+delete_config(Default) ->
+    ets:match_delete(?attr_table,#ct_conf{default=Default,_='_'}),
+    ok.
+
+process_user_configs(Opts, Acc)->
+    case lists:keytake(userconfig, 1, Opts) of
+	false->
+	    Acc;
+	{value, {userconfig, {Callback, Files=[File|_]}}, NewOpts} when
+	    is_list(File)->
+		process_user_configs(NewOpts, [{Callback, Files} | Acc]);
+	{value, {userconfig, {Callback, File=[C|_]}}, NewOpts} when
+	    is_integer(C)->
+		process_user_configs(NewOpts, [{Callback, [File]} | Acc]);
+	{value, {userconfig, {_Callback, []}}, NewOpts}->
+	    process_user_configs(NewOpts, Acc)
+    end.
+
+process_default_configs(Opts)->
+    case lists:keysearch(config, 1, Opts) of
+	{value,{_,Files=[File|_]}} when is_list(File) ->
+	    Files;
+	{value,{_,File=[C|_]}} when is_integer(C) ->
+	    [File];
+	{value,{_,[]}} ->
+	    [];
+	false ->
+	    []
+    end.
+
+get_config_file_list(Opts)->
+    DefaultConfigs = process_default_configs(Opts),
+    CfgFiles =
+	if
+	    DefaultConfigs == []->
+		[];
+	    true->
+		[{ct_config_plain, DefaultConfigs}]
+	end ++
+	process_user_configs(Opts, []),
+    CfgFiles.
-- 
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