Merge branch 'master' of github.com:jeena/GGS

erlang_js

@@ -1 +1 @@
-Subproject commit 709b568efbc99c954507d1593bc5633f900bc5dc
+Subproject commit 5350ed21606606dbee5ecb07e974f2abb9106270

mnesia/build_db

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+#!/usr/bin/env bash
+
+	erlc -o . ggs_db.erl
+    erlc -o . ggs_db_test.erl

mnesia/build_test_db

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+#!/usr/bin/env bash
+
+./build_db
+./test_db

mnesia/ggs_db.hrl

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+%% gamedb.hrl
+
+-record(player, {id, name}).
+-record(data, {key, value}).
+
+

mnesia/test_db

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+#!/usr/bin/env bash
+
+erl -eval 'eunit:test(ggs_db_test), q().'

src/ggs_db.erl

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+%%%%----------------------------------------------------
+%%% @author     Mattias Pettersson <mattiaspgames@gmail.com>
+%%% @copyright  2011 Mattias Pettersson
+%%% @doc        Database for runtime game variable storage.
+%%% @end
+
+-module(ggs_db).
+-import(mnesia).
+%-compile({no_auto_import,[length/2]}).
+-export([init/0,setItem/4,getItem/3,removeItem/3,key/3,clear/2,length/2]).
+-include("ggs_db.hrl").
+
+%%-----------------------------------------------------
+%% Creation
+%%-----------------------------------------------------
+init() ->
+    mnesia:create_table(data, [{attributes, record_info(fields, data)}]).
+
+%%-----------------------------------------------------
+%% Test
+%%-----------------------------------------------------
+
+%test_data() ->
+%    set(0, "Hello"),
+%    get(0).
+
+%%-----------------------------------------------------
+%% Insertions
+%%-----------------------------------------------------
+setItem(Db,Ns,Key,Value) ->
+    Fun = fun() ->
+                  Data = #data{key = {Db,Ns,Key}, value = Value},
+                  mnesia:write(Data) 
+          end,
+    mnesia:transaction(Fun).
+
+
+%%-----------------------------------------------------
+%% Deletions
+%%-----------------------------------------------------
+removeItem(Db,Ns,Key) ->
+    Fun = fun() ->
+                   mnesia:delete({data,{Db,Ns,Key}})
+           end,
+    mnesia:transaction(Fun).
+
+
+clear(Db,Ns) ->
+    Fun = fun() ->
+                 Keys = mnesia:all_keys(data),
+                 Rest = lists:filter(fun({A,B,_}) -> ((A==Db) and (B==Ns)) end, Keys),
+                 lists:map(fun({A,B,C}) -> removeItem(A,B,C) end, Rest)
+          end,
+    {atomic, Ret} = mnesia:transaction(Fun),
+    Ret.
+
+
+%%-----------------------------------------------------
+%% Querries
+%%-----------------------------------------------------
+getItem(Db,Ns,Key) ->
+    Fun = fun() -> 
+                [Data] = mnesia:read(data, {Db,Ns,Key}),
+                Data#data.value
+          end,
+    mnesia:transaction(Fun).
+ 
+length(Db,Ns) ->
+    Fun = fun() ->
+                Keys = mnesia:all_keys(data),
+                length(lists:filter(fun({A,B,_}) -> ((A==Db) and (B==Ns)) end, Keys))
+          end,
+    {atomic, Ret} = mnesia:transaction(Fun),
+    Ret.
+
+key(Db,Ns,Position) ->
+    Fun = fun() ->
+                Keys = mnesia:all_keys(data),
+                Rest = lists:filter(fun({A,B,_}) -> ((A==Db) and (B==Ns)) end, Keys),
+                lists:nth(Position, Rest)
+          end,
+    {atomic, Ret} = mnesia:transaction(Fun),
+    Ret.
+
+
+    

tests/ggs_db_test.erl

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+-module(ggs_db_test).
+%-compile({no_auto_import,[get/1,set/2]}).
+-include_lib("eunit/include/eunit.hrl").
+  
+%ggs_db_test_() ->
+%    {spawn,
+%        {setup, fun setup/0, fun cleanup/1,[ fun ggs_db_test/0 ]}
+%    }.
+
+
+%Key should be a tuple of two elements
+getItem_setItem_test() -> 
+    mnesia:start(),
+    ggs_db:init(),
+    ggs_db:setItem("dbname","nsname","keyname","Hello"),
+    ?assertMatch({atomic,"Hello"},ggs_db:getItem("dbname","nsname","keyname")).
+
+length_test() ->
+    ggs_db:setItem(1,1,2,"112"),
+    ggs_db:setItem(1,2,2,"122"),
+    ggs_db:setItem(1,1,3,"113"),
+    ggs_db:setItem(1,1,4,"114"),
+    ?assertEqual(ggs_db:length(1,1), 3).
+
+removeItem_test() ->
+    ggs_db:removeItem(1,1,4),
+    ?assertNot(ggs_db:getItem(1,1,4) =:= {atomic,"114"}).
+
+key_test() ->
+    ?assert(ggs_db:key(1,1,2) =:= {1,1,3}).
+
+clear_test() ->
+    ggs_db:clear(1,1),
+    ?assert(ggs_db:length(1,1) =:= 0),
+    mnesia:stop().
+
+%tests() ->
+%    ggs_db_test().
+
+%ggs_db_test() ->
+%    ggs_db:set(0, "Hello"),
+    %io:format("~s",[Val]),
+%    ?assertMatch({atomic,"Hello"},ggs_db:get(0)).
+