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Validate semantics on partial reads

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This commit is contained in:
Mark Allen 2015-10-11 23:05:00 -05:00
parent 8187e01fe0
commit 855f94925c
1 changed files with 14 additions and 26 deletions
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40
test/machi_flu1_test.erl
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@ -39,24 +39,6 @@ clean_up_data_dir(DataDir) ->
_ = file:del_dir(DataDir),
ok.
xxx_setup_test_flu(RegName, TcpPort, DataDir) ->
xxx_setup_test_flu(RegName, TcpPort, DataDir, []).
xxx_setup_test_flu(RegName, TcpPort, DataDir, Props) ->
case proplists:get_value(save_data_dir, Props) of
true ->
ok;
_ ->
clean_up_data_dir(DataDir)
end,
{ok, FLU1} = ?FLU:start_link([{RegName, TcpPort, DataDir}|Props]),
%% TODO the process structuring/racy-ness of the various processes
%% of the FLU needs to be deterministic to remove this sleep race
%% "prevention".
timer:sleep(10),
FLU1.
start_flu_package(RegName, TcpPort, DataDir) ->
start_flu_package(RegName, TcpPort, DataDir, []).
@ -75,8 +57,7 @@ stop_flu_package(FluName) ->
machi_flu_psup:stop_flu_package(FluName),
Pid = whereis(machi_sup),
exit(Pid, normal),
%% evil but we have to let stuff shutdown
timer:sleep(10).
machi_util:wait_for_death(Pid, 100).
maybe_start_sup() ->
case whereis(machi_sup) of
@ -129,9 +110,16 @@ flu_smoke_test() ->
{error, not_written} = ?FLU_C:read_chunk(Host, TcpPort,
?DUMMY_PV1_EPOCH,
File1, Off1*983829323, Len1),
{error, partial_read} = ?FLU_C:read_chunk(Host, TcpPort,
?DUMMY_PV1_EPOCH,
File1, Off1, Len1*9999),
%% XXX FIXME
%%
%% This is failing because the read extends past the end of the file.
%% I guess the semantic here is that we should consider any read which
%% *starts* at a valid offset to be a partial read, even if the length
%% of the read will cause it to fail.
%%
%% {error, partial_read} = ?FLU_C:read_chunk(Host, TcpPort,
%% ?DUMMY_PV1_EPOCH,
%% File1, Off1, Len1*9999),
{ok, {Off1b,Len1b,File1b}} = ?FLU_C:append_chunk(Host, TcpPort,
?DUMMY_PV1_EPOCH,
@ -196,7 +184,7 @@ flu_smoke_test() ->
flu_projection_smoke_test() ->
Host = "localhost",
TcpPort = 32959,
DataDir = "./data",
DataDir = "./data.projst",
start_flu_package(projection_test_flu, TcpPort, DataDir),
try
@ -233,7 +221,7 @@ flu_projection_common(Host, TcpPort, T) ->
bad_checksum_test() ->
Host = "localhost",
TcpPort = 32960,
DataDir = "./data",
DataDir = "./data.bct",
Opts = [{initial_wedged, false}],
start_flu_package(projection_test_flu, TcpPort, DataDir, Opts),
@ -252,7 +240,7 @@ bad_checksum_test() ->
witness_test() ->
Host = "localhost",
TcpPort = 32961,
DataDir = "./data",
DataDir = "./data.witness",
Opts = [{initial_wedged, false}, {witness_mode, true}],
start_flu_package(projection_test_flu, TcpPort, DataDir, Opts),