92 lines
3 KiB
Erlang
92 lines
3 KiB
Erlang
%% -------------------------------------------------------------------
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%%
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%% bdberl: Port Driver Stress tests
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%% Copyright (c) 2008 The Hive. All rights reserved.
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%%
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%% -------------------------------------------------------------------
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-module(stress_SUITE).
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-compile(export_all).
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-include_lib("ct.hrl").
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%% NOTE: all of the tests are set for a low number of iterations to guarantee
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%% that they all pass and run in a reasonable amount of time. That kinda defeats
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%% the purpose of the test, tho. Work is ongoing to make this a useful test suite.
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all() ->
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[rewrite_array_test,
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rewrite_bytes_test,
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write_array_test,
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write_bytes_test].
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init_per_suite(Config) ->
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{ok, Cwd} = file:get_cwd(),
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{ok, _} = file:copy(lists:append([Cwd, "/../../../int_test/DB_CONFIG"]),
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lists:append([Cwd, "/DB_CONFIG"])),
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crypto:start(),
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Config.
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end_per_suite(_Config) ->
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ok.
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init_per_testcase(TestCase, Config) ->
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Size = 1024 * 1024,
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Chunk = crypto:rand_bytes(Size),
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Name = io_lib:format("~p.db", [TestCase]),
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{ok, Db} = bdberl:open(Name, hash),
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[{size, Size}, {chunk, Chunk}, {db, Db}|Config].
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end_per_testcase(_TestCase, Config) ->
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bdberl:close(?config(db, Config)),
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ok.
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%%---------------------------------------------------------------------------
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rewrite_array_test(Config) ->
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%% If you try to run this one for more than 2K iterations than the Erlang
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%% VM will die with a memory allocation error when creating the binary.
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ct:print("Running rewrite_array test for 2000 iterations..."),
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Chunk = ?config(chunk, Config),
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rewrite_array(?config(db, Config), Chunk, [Chunk], 20).
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rewrite_array(_Db, _Block, _Bytes, 0) ->
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ok;
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rewrite_array(Db, Block, Bytes, Iter) ->
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bdberl:put(Db, 1, Bytes),
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rewrite_array(Db, Block, [Block|Bytes], Iter - 1).
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%%---------------------------------------------------------------------------
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rewrite_bytes_test(Config) ->
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ct:print("Running rewrite_bytes test for 2500 iterations..."),
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rewrite_bytes(?config(db, Config), ?config(chunk, Config), 25).
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rewrite_bytes(_Db, _Bytes, 0) ->
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ok;
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rewrite_bytes(Db, Bytes, Iter) ->
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bdberl:put(Db, 1, Bytes),
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rewrite_bytes(Db, Bytes, Iter - 1).
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%%---------------------------------------------------------------------------
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write_array_test(Config) ->
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ct:print("Running write_array test for 150 iterations..."),
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Chunk = ?config(chunk, Config),
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write_array(?config(db, Config), Chunk, [Chunk], 15).
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write_array(_Db, _Block, _Bytes, 0) ->
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ok;
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write_array(Db, Block, Bytes, Iter) ->
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bdberl:put(Db, Iter, Bytes),
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write_array(Db, Block, [Block|Bytes], Iter - 1).
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%%---------------------------------------------------------------------------
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write_bytes_test(Config) ->
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ct:print("Running write_bytes test for 2500 iterations..."),
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write_bytes(?config(db, Config), ?config(chunk, Config), 25).
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write_bytes(_Db, _Bytes, 0) ->
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ok;
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write_bytes(Db, Bytes, Iter) ->
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bdberl:put(Db, Iter, Bytes),
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write_bytes(Db, Bytes, Iter - 1).
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