getItem, setItem complete. Added scripts.

This commit is contained in:
Kallfaktorn 2011-02-21 20:43:00 +01:00
parent e38bab5054
commit ee4059ac5a
6 changed files with 95 additions and 0 deletions

4
mnesia/build_db Executable file
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#!/usr/bin/env bash
erlc -o . ggs_db.erl
erlc -o . ggs_db_test.erl

4
mnesia/build_test_db Executable file
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#!/usr/bin/env bash
./build_db
./test_db

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mnesia/ggs_db.erl Normal file
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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).
-export([init/0,setItem/4,getItem/3]).
-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).
%%-----------------------------------------------------
%% Querries
%%-----------------------------------------------------
getItem(Db,Ns,Key) ->
Fun = fun() ->
[Data] = mnesia:read(data, {Db,Ns,Key}),
Data#data.value
end,
mnesia:transaction(Fun).

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mnesia/ggs_db.hrl Normal file
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%% gamedb.hrl
-record(player, {id, name}).
-record(data, {key, value}).

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mnesia/ggs_db_test.erl Normal file
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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
setup_test() ->
mnesia:start(),
ggs_db:init(),
ggs_db:setItem("dbname","nsname","keyname","Hello"),
?assertMatch({atomic,"Hello"},ggs_db:getItem("dbname","nsname","keyname")),
mnesia:stop().
%cleanup(Val) ->
% 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)).

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