173 lines
8.3 KiB
Erlang
173 lines
8.3 KiB
Erlang
%% -------------------------------------------------------------------
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%%
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%% Copyright (c) 2007-2015 Basho Technologies, Inc. All Rights Reserved.
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%%
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%% This file is provided to you under the Apache License,
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%% Version 2.0 (the "License"); you may not use this file
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%% except in compliance with the License. You may obtain
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%% a copy of the License at
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%%
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%% http://www.apache.org/licenses/LICENSE-2.0
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%%
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%% Unless required by applicable law or agreed to in writing,
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%% software distributed under the License is distributed on an
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%% "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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%% KIND, either express or implied. See the License for the
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%% specific language governing permissions and limitations
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%% under the License.
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%%
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%% -------------------------------------------------------------------
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-module(machi_cr_client_test).
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-include("machi.hrl").
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-include("machi_projection.hrl").
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-ifdef(TEST).
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-ifndef(PULSE).
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-include_lib("eunit/include/eunit.hrl").
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smoke_test_() -> {timeout, 1*60, fun() -> smoke_test2() end}.
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smoke_test2() ->
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os:cmd("rm -rf ./data.a ./data.b ./data.c"),
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{ok, SupPid} = machi_flu_sup:start_link(),
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error_logger:tty(false),
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try
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Prefix = <<"pre">>,
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Chunk1 = <<"yochunk">>,
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Host = "localhost",
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PortBase = 64444,
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Os = [{ignore_stability_time, true}, {active_mode, false}],
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{ok,_}=machi_flu_psup:start_flu_package(a, PortBase+0, "./data.a", Os),
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{ok,_}=machi_flu_psup:start_flu_package(b, PortBase+1, "./data.b", Os),
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{ok,_}=machi_flu_psup:start_flu_package(c, PortBase+2, "./data.c", Os),
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D = orddict:from_list(
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[{a,{p_srvr,a,machi_flu1_client,"localhost",PortBase+0,[]}},
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{b,{p_srvr,b,machi_flu1_client,"localhost",PortBase+1,[]}},
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{c,{p_srvr,c,machi_flu1_client,"localhost",PortBase+2,[]}}]),
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%% Force the chain to repair & fully assemble as quickly as possible.
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%% 1. Use set_chain_members() on all 3
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%% 2. Force a to run repair in a tight loop
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%% 3. Stop as soon as we see UPI=[a,b,c] and also author=c.
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%% Otherwise, we can have a race with later, minor
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%% projection changes which will change our understanding of
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%% the epoch id. (C is the author with highest weight.)
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%% 4. Wait until all others are using epoch id from #3.
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%%
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%% Damn, this is a pain to make 100% deterministic, bleh.
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ok = machi_chain_manager1:set_chain_members(a_chmgr, D),
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ok = machi_chain_manager1:set_chain_members(b_chmgr, D),
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ok = machi_chain_manager1:set_chain_members(c_chmgr, D),
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TickAll = fun() -> [begin
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Pid ! tick_check_environment,
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timer:sleep(50)
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end || Pid <- [a_chmgr,b_chmgr,c_chmgr] ]
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end,
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_ = lists:foldl(
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fun(_, [{c,[a,b,c]}]=Acc) -> Acc;
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(_, _Acc) ->
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TickAll(), % has some sleep time inside
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Xs = [begin
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{ok, Prj} = machi_projection_store:read_latest_projection(PStore, private),
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{Prj#projection_v1.author_server,
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Prj#projection_v1.upi}
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end || PStore <- [a_pstore,b_pstore,c_pstore] ],
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lists:usort(Xs)
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end, undefined, lists:seq(1,10000)),
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%% Everyone is settled on the same damn epoch id.
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{ok, EpochID} = machi_flu1_client:get_latest_epochid(Host, PortBase+0,
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private),
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{ok, EpochID} = machi_flu1_client:get_latest_epochid(Host, PortBase+1,
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private),
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{ok, EpochID} = machi_flu1_client:get_latest_epochid(Host, PortBase+2,
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private),
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%% Whew ... ok, now start some damn tests.
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{ok, C1} = machi_cr_client:start_link([P || {_,P}<-orddict:to_list(D)]),
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machi_cr_client:append_chunk(C1, Prefix, Chunk1),
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{ok, {Off1,Size1,File1}} =
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machi_cr_client:append_chunk(C1, Prefix, Chunk1),
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Chunk1_badcs = {<<?CSUM_TAG_CLIENT_SHA:8, 0:(8*20)>>, Chunk1},
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{error, bad_checksum} =
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machi_cr_client:append_chunk(C1, Prefix, Chunk1_badcs),
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{ok, Chunk1} = machi_cr_client:read_chunk(C1, File1, Off1, Size1),
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{ok, PPP} = machi_flu1_client:read_latest_projection(Host, PortBase+0,
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private),
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%% Verify that the client's CR wrote to all of them.
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[{ok, Chunk1} = machi_flu1_client:read_chunk(
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Host, PortBase+X, EpochID, File1, Off1, Size1) ||
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X <- [0,1,2] ],
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%% Test read repair: Manually write to head, then verify that
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%% read-repair fixes all.
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FooOff1 = Off1 + (1024*1024),
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[{error, not_written} = machi_flu1_client:read_chunk(
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Host, PortBase+X, EpochID,
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File1, FooOff1, Size1) || X <- [0,1,2] ],
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ok = machi_flu1_client:write_chunk(Host, PortBase+0, EpochID,
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File1, FooOff1, Chunk1),
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{ok, Chunk1} = machi_cr_client:read_chunk(C1, File1, FooOff1, Size1),
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[{X,{ok, Chunk1}} = {X,machi_flu1_client:read_chunk(
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Host, PortBase+X, EpochID,
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File1, FooOff1, Size1)} || X <- [0,1,2] ],
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%% Test read repair: Manually write to middle, then same checking.
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FooOff2 = Off1 + (2*1024*1024),
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Chunk2 = <<"Middle repair chunk">>,
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Size2 = size(Chunk2),
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ok = machi_flu1_client:write_chunk(Host, PortBase+1, EpochID,
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File1, FooOff2, Chunk2),
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{ok, Chunk2} = machi_cr_client:read_chunk(C1, File1, FooOff2, Size2),
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[{X,{ok, Chunk2}} = {X,machi_flu1_client:read_chunk(
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Host, PortBase+X, EpochID,
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File1, FooOff2, Size2)} || X <- [0,1,2] ],
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%% Misc API smoke & minor regression checks
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{error, not_written} = machi_cr_client:read_chunk(C1, <<"no">>,
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999999999, 1),
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{error, partial_read} = machi_cr_client:read_chunk(C1, File1,
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Off1, 88888888),
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%% Checksum lists are 3-tuples
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%% TODO: refactor checksum_list(), then put this test back!
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%% {ok, [{_,_,_}|_]} = machi_cr_client:checksum_list(C1, File1),
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{ok, TmpKludgeBin} = machi_cr_client:checksum_list(C1, File1),
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true = is_binary(TmpKludgeBin),
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{error, no_such_file} = machi_cr_client:checksum_list(C1, <<"!!!!">>),
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%% Exactly one file right now
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{ok, [_]} = machi_cr_client:list_files(C1),
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%% Go back and test append_chunk_extra() and write_chunk()
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Chunk10 = <<"It's a different chunk!">>,
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Size10 = byte_size(Chunk10),
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Extra10 = 5,
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{ok, {Off10,Size10,File10}} =
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machi_cr_client:append_chunk_extra(C1, Prefix, Chunk10,
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Extra10 * Size10),
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{ok, Chunk10} = machi_cr_client:read_chunk(C1, File10, Off10, Size10),
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[begin
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Offx = Off10 + (Seq * Size10),
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%% TODO: uncomment written/not_written enforcement is available.
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%% {error,not_written} = machi_cr_client:read_chunk(C1, File10,
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%% Offx, Size10),
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{ok, {Offx,Size10,File10}} =
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machi_cr_client:write_chunk(C1, File10, Offx, Chunk10),
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{ok, Chunk10} = machi_cr_client:read_chunk(C1, File10, Offx,
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Size10)
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end || Seq <- lists:seq(1, Extra10)],
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{ok, {Off11,Size11,File11}} =
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machi_cr_client:append_chunk(C1, Prefix, Chunk10),
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%% Double-check that our reserved extra bytes were really honored!
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true = (Off11 > (Off10 + (Extra10 * Size10))),
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ok
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after
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error_logger:tty(true),
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catch application:stop(machi),
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exit(SupPid, normal)
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end.
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-endif. % !PULSE
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-endif. % TEST.
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