Better handling of flush, short lines

test/pkt_test.erl

@@ -4,7 +4,9 @@
 -include("src/geef_records.hrl").
 
 flush_test() ->
-    geef_pkt:parse("0000").
+    Expected = {flush, <<>>},
+    Actual = geef_pkt:parse("0000"),
+    ?assertEqual(Expected, Actual).
 
 have_test() ->
     Expected = {{want, geef_oid:parse("e17ca7f2d877acbf8b9a9a1cb4c243ca72e86463")}, <<>>},
@@ -14,5 +16,11 @@ have_test() ->
 request_test() ->
     Line = <<"0039git-upload-pack /schacon/gitbook.git\0host=example.com\0">>,
     Expected = #geef_request{service=upload_pack, path= <<"/schacon/gitbook.git">>, host= <<"example.com">>},
+    {ok, Actual} = geef_pkt:parse_request(Line),
+    ?assertEqual(Expected, Actual).
+
+short_test() ->
+    Line = <<"0039git-upload">>,
+    Expected = {error, ebufs},
     Actual = geef_pkt:parse_request(Line),
     ?assertEqual(Expected, Actual).