Dialyzer changes

Some chnages to improve dialyzer pass rate

.gitignore

@@ -1 +1,3 @@
 *.beam
+/.eunit
+/_build

ebin/eleveleddb.app

@@ -1,11 +0,0 @@
-{application,eleveleddb,
-             [{description,[]},
-              {vsn,"1"},
-              {registered,[]},
-              {applications,[kernel,stdlib]},
-              {mod,{eleveleddb_app,[]}},
-              {env,[]},
-              {modules,[eleveleddb_app,eleveleddb_sup,leveled_bookie,
-                        leveled_cdb,leveled_clerk,leveled_inker,
-                        leveled_iterator,leveled_penciller,leveled_rice,
-                        leveled_sft]}]}.

rebar.lock

@@ -0,0 +1 @@
+[].

src/leveled_cdb.erl

@@ -1323,8 +1323,7 @@ getnextkey_inclemptyvalue_test() ->
     {_, Handle, P6} = get_nextkey(Handle, P5),
     {_, Handle, P7} = get_nextkey(Handle, P6),
     {_, Handle, P8} = get_nextkey(Handle, P7),
-    {LastKey, Info} = get_nextkey(Handle, P8),
-    ?assertMatch(nomorekeys, Info),
+    {LastKey, nomorekeys} = get_nextkey(Handle, P8),
     ?assertMatch("K1", LastKey),
     ok = file:delete("../test/hashtable2_test.cdb").
 

src/leveled_clerk.erl

@@ -314,15 +314,17 @@ find_randomkeys(FList, Count, Source) ->
     K1 = leveled_bookie:strip_to_keyonly(KV1),
     P1 = choose_pid_toquery(FList, K1),
     FoundKV = leveled_sft:sft_get(P1, K1),
-    case FoundKV of
+    Check = case FoundKV of
                 not_present ->
                     io:format("Failed to find ~w in ~w~n", [K1, P1]),
-            ?assertMatch(true, false);
+                    error;
                 _ ->
                     Found = leveled_bookie:strip_to_keyonly(FoundKV),
                     io:format("success finding ~w in ~w~n", [K1, P1]),
-            ?assertMatch(K1, Found)
+                    ?assertMatch(K1, Found),
+                    ok
             end,
+    ?assertMatch(Check, ok),
     find_randomkeys(FList, Count - 1, Source).
 
 

src/leveled_penciller.erl

@@ -200,7 +200,7 @@
                 levelzero_snapshot = [] :: list(),
                 memtable,
                 backlog = false :: boolean(),
-                memtable_maxsize :: integer}).
+                memtable_maxsize :: integer()}).
 
 
 %%%============================================================================
@@ -945,11 +945,12 @@ simple_server_test() ->
     {ok, PCLr} = pcl_start(#penciller_options{root_path=RootPath,
                                                 max_inmemory_tablesize=1000}),
     TopSQN = pcl_getstartupsequencenumber(PCLr),
-    case TopSQN of
+    Check = case TopSQN of
                 2001 ->
                     %% Last push not persisted
                     S3a = pcl_pushmem(PCL, [Key3]),
-            if S3a == pause -> timer:sleep(2000); true -> ok end;
+                    if S3a == pause -> timer:sleep(2000); true -> ok end,
+                    ok;
                 2002 ->
                     %% everything got persisted
                     ok;
@@ -957,8 +958,9 @@ simple_server_test() ->
                     io:format("Unexpected sequence number on restart ~w~n", [TopSQN]),
                     ok = pcl_close(PCLr),
                     clean_testdir(RootPath),
-            ?assertMatch(true, false)
+                    error
             end,
+    ?assertMatch(Check, ok),
     R8 = pcl_fetch(PCLr, {o,"Bucket0001", "Key0001"}),
     R9 = pcl_fetch(PCLr, {o,"Bucket0002", "Key0002"}),
     R10 = pcl_fetch(PCLr, {o,"Bucket0003", "Key0003"}),