Further Journal compaction tests

Improved unit testing
This commit is contained in:
martinsumner 2016-09-28 18:26:52 +01:00
parent 50b50ba486
commit 15f57a0b4a
3 changed files with 125 additions and 27 deletions

View file

@ -336,8 +336,10 @@ handle_call(cdb_complete, _From, State) ->
%% Rename file
NewName = filename:rootname(State#state.filename, ".pnd")
++ ".cdb",
io:format("Renaming file from ~s to ~s~n",
[State#state.filename, NewName]),
io:format("Renaming file from ~s to ~s " ++
"for which existence is ~w~n",
[State#state.filename, NewName,
filelib:is_file(NewName)]),
ok = file:rename(State#state.filename, NewName),
{stop, normal, {ok, NewName}, State};
false ->

View file

@ -12,7 +12,7 @@
handle_info/2,
terminate/2,
clerk_new/1,
clerk_compact/4,
clerk_compact/6,
clerk_remove/2,
clerk_stop/1,
code_change/3]).
@ -51,8 +51,14 @@ clerk_remove(Pid, Removals) ->
gen_server:cast(Pid, {remove, Removals}),
ok.
clerk_compact(Pid, Penciller, Inker, Timeout) ->
clerk_compact(Pid, Penciller, Inker, Timeout).
clerk_compact(Pid, Checker, InitiateFun, FilterFun, Inker, Timeout) ->
gen_server:cast(Pid,
{compact,
Checker,
InitiateFun,
FilterFun,
Inker,
Timeout}).
clerk_stop(Pid) ->
gen_server:cast(Pid, stop).
@ -76,25 +82,18 @@ init([IClerkOpts]) ->
handle_call(_Msg, _From, State) ->
{reply, not_supprted, State}.
handle_cast({compact, Penciller, Inker, _Timeout}, State) ->
handle_cast({compact, Checker, InitiateFun, FilterFun, Inker, _Timeout},
State) ->
% Need to fetch manifest at start rather than have it be passed in
% Don't want to process a queued call waiting on an old manifest
Manifest = leveled_inker:ink_getmanifest(Inker),
MaxRunLength = State#state.max_run_length,
PclOpts = #penciller_options{start_snapshot = true,
source_penciller = Penciller,
requestor = self()},
FilterFun = fun leveled_penciller:pcl_checksequencenumber/3,
FilterServer = leveled_penciller:pcl_start(PclOpts),
ok = leveled_penciller:pcl_loadsnapshot(FilterServer, []),
FilterServer = InitiateFun(Checker),
CDBopts = State#state.cdb_options,
FP = CDBopts#cdb_options.file_path,
ok = filelib:ensure_dir(FP),
Candidates = scan_all_files(Manifest,
FilterFun,
FilterServer),
Candidates = scan_all_files(Manifest, FilterFun, FilterServer),
BestRun = assess_candidates(Candidates, MaxRunLength),
case score_run(BestRun, MaxRunLength) of
Score when Score > 0 ->
@ -278,6 +277,10 @@ compact_files(BestRun, CDBopts, FilterFun, FilterServer) ->
[],
true).
compact_files([], _CDBopts, null, _FilterFun, _FilterServer,
ManSlice0, PromptDelete0) ->
{ManSlice0, PromptDelete0};
compact_files([], _CDBopts, ActiveJournal0, _FilterFun, _FilterServer,
ManSlice0, PromptDelete0) ->
ManSlice1 = ManSlice0 ++ generate_manifest_entry(ActiveJournal0),
@ -538,7 +541,8 @@ compact_single_file_test() ->
?assertMatch(missing, leveled_cdb:cdb_get(PidR, {7, "Key1"})),
?assertMatch(missing, leveled_cdb:cdb_get(PidR, {1, "Key1"})),
{_RK1, RV1} = leveled_cdb:cdb_get(PidR, {2, "Key2"}),
?assertMatch("Value2", binary_to_term(RV1)).
?assertMatch("Value2", binary_to_term(RV1)),
ok = leveled_cdb:cdb_destroy(CDB).
-endif.

View file

@ -164,7 +164,26 @@ ink_loadpcl(Pid, MinSQN, FilterFun, Penciller) ->
gen_server:call(Pid, {load_pcl, MinSQN, FilterFun, Penciller}, infinity).
ink_compactjournal(Pid, Penciller, Timeout) ->
gen_server:call(Pid, {compact_journal, Penciller, Timeout}, infinty).
CheckerInitiateFun = fun initiate_penciller_snapshot/1,
CheckerFilterFun = fun leveled_penciller:pcl_checksequencenumber/3,
gen_server:call(Pid,
{compact,
Penciller,
CheckerInitiateFun,
CheckerFilterFun,
Timeout},
infiniy).
%% Allows the Checker to be overriden in test, use something other than a
%% penciller
ink_compactjournal(Pid, Checker, InitiateFun, FilterFun, Timeout) ->
gen_server:call(Pid,
{compact,
Checker,
InitiateFun,
FilterFun,
Timeout},
infinity).
ink_getmanifest(Pid) ->
gen_server:call(Pid, get_manifest, infinity).
@ -259,21 +278,23 @@ handle_call({update_manifest,
Check = lists:member(ManEntry, DeletedFiles),
if
Check == false ->
lists:append(AccMan, ManEntry)
AccMan ++ [ManEntry];
true ->
AccMan
end
end,
[],
State#state.manifest),
Man1 = lists:foldl(fun(ManEntry, AccMan) ->
add_to_manifest(AccMan, ManEntry) end,
Man0,
ManifestSnippet),
add_to_manifest(AccMan, ManEntry) end,
Man0,
ManifestSnippet),
NewManifestSQN = State#state.manifest_sqn + 1,
ok = simple_manifest_writer(Man1, NewManifestSQN, State#state.root_path),
PendingRemovals = case PromptDeletion of
true ->
State#state.pending_removals ++
{NewManifestSQN, DeletedFiles};
[{NewManifestSQN, DeletedFiles}];
_ ->
State#state.pending_removals
end,
@ -283,14 +304,24 @@ handle_call({update_manifest,
handle_call(print_manifest, _From, State) ->
manifest_printer(State#state.manifest),
{reply, ok, State};
handle_call({compact_journal, Penciller, Timeout}, _From, State) ->
handle_call({compact,
Checker,
InitiateFun,
FilterFun,
Timeout},
_From, State) ->
leveled_iclerk:clerk_compact(State#state.clerk,
Checker,
InitiateFun,
FilterFun,
self(),
Penciller,
Timeout),
{reply, ok, State};
handle_call(close, _From, State) ->
{stop, normal, ok, State}.
{stop, normal, ok, State};
handle_call(Msg, _From, State) ->
io:format("Unexpected message ~w~n", [Msg]),
{reply, error, State}.
handle_cast(_Msg, State) ->
{noreply, State}.
@ -712,6 +743,15 @@ manifest_printer(Manifest) ->
[SQN, FN]) end,
Manifest).
initiate_penciller_snapshot(Penciller) ->
PclOpts = #penciller_options{start_snapshot = true,
source_penciller = Penciller,
requestor = self()},
FilterServer = leveled_penciller:pcl_start(PclOpts),
ok = leveled_penciller:pcl_loadsnapshot(FilterServer, []),
FilterServer.
%%%============================================================================
%%% Test
%%%============================================================================
@ -720,6 +760,7 @@ manifest_printer(Manifest) ->
build_dummy_journal() ->
RootPath = "../test/journal",
clean_testdir(RootPath),
JournalFP = filepath(RootPath, journal_dir),
ManifestFP = filepath(RootPath, manifest_dir),
ok = filelib:ensure_dir(RootPath),
@ -753,7 +794,13 @@ clean_testdir(RootPath) ->
clean_subdir(DirPath) ->
{ok, Files} = file:list_dir(DirPath),
lists:foreach(fun(FN) -> file:delete(filename:join(DirPath, FN)) end,
lists:foreach(fun(FN) ->
File = filename:join(DirPath, FN),
case file:delete(File) of
ok -> io:format("Success deleting ~s~n", [File]);
_ -> io:format("Error deleting ~s~n", [File])
end
end,
Files).
simple_buildmanifest_test() ->
@ -872,8 +919,53 @@ rollafile_simplejournal_test() ->
?assertMatch(R1, {{5, "KeyAA"}, {"TestValueAA", []}}),
R2 = ink_get(Ink1, "KeyBB", 54),
?assertMatch(R2, {{54, "KeyBB"}, {"TestValueBB", []}}),
Man = ink_getmanifest(Ink1),
FakeMan = [{3, "test", dummy}, {1, "other_test", dummy}],
ok = ink_updatemanifest(Ink1, FakeMan, true, Man),
?assertMatch(FakeMan, ink_getmanifest(Ink1)),
ok = ink_updatemanifest(Ink1, Man, true, FakeMan),
?assertMatch({{5, "KeyAA"}, {"TestValueAA", []}},
ink_get(Ink1, "KeyAA", 5)),
?assertMatch({{54, "KeyBB"}, {"TestValueBB", []}},
ink_get(Ink1, "KeyBB", 54)),
ink_close(Ink1),
clean_testdir(RootPath).
compact_journal_test() ->
RootPath = "../test/journal",
build_dummy_journal(),
CDBopts = #cdb_options{max_size=300000},
{ok, Ink1} = ink_start(#inker_options{root_path=RootPath,
cdb_options=CDBopts}),
FunnyLoop = lists:seq(1, 48),
{ok, NewSQN1, _ObjSize} = ink_put(Ink1, "KeyAA", "TestValueAA", []),
?assertMatch(NewSQN1, 5),
ok = ink_print_manifest(Ink1),
R0 = ink_get(Ink1, "KeyAA", 5),
?assertMatch(R0, {{5, "KeyAA"}, {"TestValueAA", []}}),
Checker = lists:map(fun(X) ->
PK = "KeyZ" ++ integer_to_list(X),
{ok, SQN, _} = ink_put(Ink1,
PK,
crypto:rand_bytes(10000),
[]),
{SQN, PK}
end,
FunnyLoop),
{ok, NewSQN2, _ObjSize} = ink_put(Ink1, "KeyBB", "TestValueBB", []),
?assertMatch(NewSQN2, 54),
ActualManifest = ink_getmanifest(Ink1),
?assertMatch(2, length(ActualManifest)),
ok = ink_compactjournal(Ink1,
Checker,
fun(X) -> X end,
fun(L, K, SQN) -> lists:member({SQN, K}, L) end,
5000),
timer:sleep(1000),
CompactedManifest = ink_getmanifest(Ink1),
?assertMatch(1, length(CompactedManifest)),
ink_updatemanifest(Ink1, ActualManifest, true, CompactedManifest),
ink_close(Ink1),
clean_testdir(RootPath).
-endif.