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%%
%% %CopyrightBegin%
%% 
%% Copyright Ericsson AB 1996-2010. 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%
%%

%%
-module(mnesia_measure_test).
-author('[email protected]').
-compile([export_all]).

-include("mnesia_test_lib.hrl").

init_per_testcase(Func, Conf) ->
    mnesia_test_lib:init_per_testcase(Func, Conf).

end_per_testcase(Func, Conf) ->
    mnesia_test_lib:end_per_testcase(Func, Conf).

-define(init(N, Config),
	mnesia_test_lib:prepare_test_case([{init_test_case, [mnesia]},
					   delete_schema],
					  N, Config, ?FILE, ?LINE)).

%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

all() -> 
    [{group, prediction}, {group, consumption},
     {group, scalability}, {group, benchmarks}].

groups() -> 
    [{prediction, [],
      [reader_disturbed_by_node_down,
       writer_disturbed_by_node_down,
       reader_disturbed_by_node_up,
       writer_disturbed_by_node_up,
       reader_disturbed_by_schema_ops,
       writer_disturbed_by_schema_ops,
       reader_disturbed_by_checkpoint,
       writer_disturbed_by_checkpoint,
       reader_disturbed_by_dump_log,
       writer_disturbed_by_dump_log,
       reader_disturbed_by_backup, writer_disturbed_by_backup,
       reader_disturbed_by_restore,
       writer_disturbed_by_restore, {group, fairness}]},
     {fairness, [],
      [reader_competing_with_reader,
       reader_competing_with_writer,
       writer_competing_with_reader,
       writer_competing_with_writer]},
     {consumption, [],
      [measure_resource_consumption,
       determine_resource_leakage]},
     {scalability, [],
      [determine_system_limits, performance_at_min_config,
       performance_at_max_config, performance_at_full_load,
       resource_consumption_at_min_config,
       resource_consumption_at_max_config,
       resource_consumption_at_full_load]},
     {benchmarks, [],
      [{group, meter}, cost, dbn_meters,
       measure_all_api_functions, {group, tpcb},
       mnemosyne_vs_mnesia_kernel]},
     {tpcb, [], [ram_tpcb, disc_tpcb, disc_only_tpcb]},
     {meter, [], [ram_meter, disc_meter, disc_only_meter]}].

init_per_group(_GroupName, Config) ->
    Config.

end_per_group(_GroupName, Config) ->
    Config.

     
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

dbn_meters(suite) -> [];
dbn_meters(Config) when is_list(Config) ->
    _Nodes = ?init(3, Config),
    ?match(ok, mnesia_dbn_meters:start()),
    ok.


tpcb(ReplicaType, Config) ->
    HarakiriDelay = {tc_timeout, timer:minutes(20)},
    Nodes = ?acquire_nodes(2, Config ++ [HarakiriDelay]),
    Args = [{n_branches, 2},
	    {n_drivers_per_node, 1},
	    {replica_nodes, Nodes},
	    {driver_nodes, [hd(Nodes)]},
	    {use_running_mnesia, true},
	    {use_sticky_locks, true},
	    {replica_type, ReplicaType}],
    ?match({ok, _}, mnesia_tpcb:start(Args)),
    ?verify_mnesia(Nodes, []).

ram_tpcb(suite) -> [];
ram_tpcb(Config) when is_list(Config) ->
    tpcb(ram_copies, Config).

disc_tpcb(suite) -> [];
disc_tpcb(Config) when is_list(Config) ->
    tpcb(disc_copies, Config).

disc_only_tpcb(suite) -> [];
disc_only_tpcb(Config) when is_list(Config) ->
    tpcb(disc_only_copies, Config).


ram_meter(suite) -> [];
ram_meter(Config) when is_list(Config) ->
    HarakiriDelay = [{tc_timeout, timer:minutes(20)}],
    Nodes = ?init(3, Config ++ HarakiriDelay),
    ?match(ok, mnesia_meter:go(ram_copies, Nodes)).

disc_meter(suite) -> [];
disc_meter(Config) when is_list(Config) ->
    HarakiriDelay = [{tc_timeout, timer:minutes(20)}],
    Nodes = ?init(3, Config ++ HarakiriDelay),
    ?match(ok, mnesia_meter:go(disc_copies, Nodes)).

disc_only_meter(suite) -> [];
disc_only_meter(Config) when is_list(Config) ->
    HarakiriDelay = [{tc_timeout, timer:minutes(20)}],
    Nodes = ?init(3, Config ++ HarakiriDelay),
    ?match(ok, mnesia_meter:go(disc_only_copies, Nodes)).

cost(suite) -> [];
cost(Config) when is_list(Config) ->
    Nodes = ?init(3, Config),
    ?match(ok, mnesia_cost:go(Nodes)),
    file:delete("MNESIA_COST").