You are viewing a plain text version of this content. The canonical link for it is here.
Posted to commits@couchdb.apache.org by ch...@apache.org on 2014/07/22 01:57:22 UTC
[09/43] couchdb commit: updated refs/heads/1963-eunit-bigcouch to
424dca5
Port 050-stream.t etap test suite to eunit
Project: http://git-wip-us.apache.org/repos/asf/couchdb/repo
Commit: http://git-wip-us.apache.org/repos/asf/couchdb/commit/ed9ad9df
Tree: http://git-wip-us.apache.org/repos/asf/couchdb/tree/ed9ad9df
Diff: http://git-wip-us.apache.org/repos/asf/couchdb/diff/ed9ad9df
Branch: refs/heads/1963-eunit-bigcouch
Commit: ed9ad9df7e23b8fd1348a20e99134fe3a5a0185c
Parents: 7be2a86
Author: Alexander Shorin <kx...@apache.org>
Authored: Sun May 18 14:45:05 2014 +0400
Committer: Russell Branca <ch...@apache.org>
Committed: Mon Jul 21 16:37:22 2014 -0700
----------------------------------------------------------------------
test/couchdb/couch_stream_tests.erl | 100 +++++++++++++++++++++++++++++++
test/etap/050-stream.t | 87 ---------------------------
2 files changed, 100 insertions(+), 87 deletions(-)
----------------------------------------------------------------------
http://git-wip-us.apache.org/repos/asf/couchdb/blob/ed9ad9df/test/couchdb/couch_stream_tests.erl
----------------------------------------------------------------------
diff --git a/test/couchdb/couch_stream_tests.erl b/test/couchdb/couch_stream_tests.erl
new file mode 100644
index 0000000..335a2fe
--- /dev/null
+++ b/test/couchdb/couch_stream_tests.erl
@@ -0,0 +1,100 @@
+% Licensed under the Apache License, Version 2.0 (the "License"); you may not
+% use this file except in compliance with the License. You may obtain a copy of
+% the License at
+%
+% http://www.apache.org/licenses/LICENSE-2.0
+%
+% Unless required by applicable law or agreed to in writing, software
+% distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+% WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+% License for the specific language governing permissions and limitations under
+% the License.
+
+-module(couch_stream_tests).
+
+-include("couch_eunit.hrl").
+
+
+setup() ->
+ {ok, Fd} = couch_file:open(?tempfile(), [create, overwrite]),
+ {ok, Stream} = couch_stream:open(Fd),
+ {Fd, Stream}.
+
+teardown({Fd, _}) ->
+ ok = couch_file:close(Fd).
+
+
+stream_test_() ->
+ {
+ "CouchDB stream tests",
+ {
+ foreach,
+ fun setup/0, fun teardown/1,
+ [
+ fun should_write/1,
+ fun should_write_consecutive/1,
+ fun should_write_empty_binary/1,
+ fun should_return_file_pointers_on_close/1,
+ fun should_return_stream_size_on_close/1,
+ fun should_return_valid_pointers/1,
+ fun should_recall_last_pointer_position/1,
+ fun should_stream_more_with_4K_chunk_size/1
+ ]
+ }
+ }.
+
+
+should_write({_, Stream}) ->
+ ?_assertEqual(ok, couch_stream:write(Stream, <<"food">>)).
+
+should_write_consecutive({_, Stream}) ->
+ couch_stream:write(Stream, <<"food">>),
+ ?_assertEqual(ok, couch_stream:write(Stream, <<"foob">>)).
+
+should_write_empty_binary({_, Stream}) ->
+ ?_assertEqual(ok, couch_stream:write(Stream, <<>>)).
+
+should_return_file_pointers_on_close({_, Stream}) ->
+ couch_stream:write(Stream, <<"foodfoob">>),
+ {Ptrs, _, _, _, _} = couch_stream:close(Stream),
+ ?_assertEqual([{0, 8}], Ptrs).
+
+should_return_stream_size_on_close({_, Stream}) ->
+ couch_stream:write(Stream, <<"foodfoob">>),
+ {_, Length, _, _, _} = couch_stream:close(Stream),
+ ?_assertEqual(8, Length).
+
+should_return_valid_pointers({Fd, Stream}) ->
+ couch_stream:write(Stream, <<"foodfoob">>),
+ {Ptrs, _, _, _, _} = couch_stream:close(Stream),
+ ?_assertEqual(<<"foodfoob">>, read_all(Fd, Ptrs)).
+
+should_recall_last_pointer_position({Fd, Stream}) ->
+ couch_stream:write(Stream, <<"foodfoob">>),
+ {_, _, _, _, _} = couch_stream:close(Stream),
+ {ok, ExpPtr} = couch_file:bytes(Fd),
+ {ok, Stream2} = couch_stream:open(Fd),
+ ZeroBits = <<0:(8 * 10)>>,
+ OneBits = <<1:(8 * 10)>>,
+ ok = couch_stream:write(Stream2, OneBits),
+ ok = couch_stream:write(Stream2, ZeroBits),
+ {Ptrs, 20, _, _, _} = couch_stream:close(Stream2),
+ [{ExpPtr, 20}] = Ptrs,
+ AllBits = iolist_to_binary([OneBits, ZeroBits]),
+ ?_assertEqual(AllBits, read_all(Fd, Ptrs)).
+
+should_stream_more_with_4K_chunk_size({Fd, _}) ->
+ {ok, Stream} = couch_stream:open(Fd, [{buffer_size, 4096}]),
+ lists:foldl(
+ fun(_, Acc) ->
+ Data = <<"a1b2c">>,
+ couch_stream:write(Stream, Data),
+ [Data | Acc]
+ end, [], lists:seq(1, 1024)),
+ ?_assertMatch({[{0, 4100}, {4106, 1020}], 5120, _, _, _},
+ couch_stream:close(Stream)).
+
+
+read_all(Fd, PosList) ->
+ Data = couch_stream:foldl(Fd, PosList, fun(Bin, Acc) -> [Bin, Acc] end, []),
+ iolist_to_binary(Data).
http://git-wip-us.apache.org/repos/asf/couchdb/blob/ed9ad9df/test/etap/050-stream.t
----------------------------------------------------------------------
diff --git a/test/etap/050-stream.t b/test/etap/050-stream.t
deleted file mode 100755
index 0251f00..0000000
--- a/test/etap/050-stream.t
+++ /dev/null
@@ -1,87 +0,0 @@
-#!/usr/bin/env escript
-%% -*- erlang -*-
-
-% Licensed under the Apache License, Version 2.0 (the "License"); you may not
-% use this file except in compliance with the License. You may obtain a copy of
-% the License at
-%
-% http://www.apache.org/licenses/LICENSE-2.0
-%
-% Unless required by applicable law or agreed to in writing, software
-% distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
-% WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
-% License for the specific language governing permissions and limitations under
-% the License.
-
-main(_) ->
- test_util:init_code_path(),
- etap:plan(13),
- case (catch test()) of
- ok ->
- etap:end_tests();
- Other ->
- etap:diag(io_lib:format("Test died abnormally: ~p", [Other])),
- etap:bail(Other)
- end,
- ok.
-
-read_all(Fd, PosList) ->
- Data = couch_stream:foldl(Fd, PosList, fun(Bin, Acc) -> [Bin, Acc] end, []),
- iolist_to_binary(Data).
-
-test() ->
- {ok, Fd} = couch_file:open("test/etap/temp.050", [create,overwrite]),
- {ok, Stream} = couch_stream:open(Fd),
-
- etap:is(ok, couch_stream:write(Stream, <<"food">>),
- "Writing to streams works."),
-
- etap:is(ok, couch_stream:write(Stream, <<"foob">>),
- "Consecutive writing to streams works."),
-
- etap:is(ok, couch_stream:write(Stream, <<>>),
- "Writing an empty binary does nothing."),
-
- {Ptrs, Length, _, _, _} = couch_stream:close(Stream),
- etap:is(Ptrs, [{0, 8}], "Close returns the file pointers."),
- etap:is(Length, 8, "Close also returns the number of bytes written."),
- etap:is(<<"foodfoob">>, read_all(Fd, Ptrs), "Returned pointers are valid."),
-
- % Remember where we expect the pointer to be.
- {ok, ExpPtr} = couch_file:bytes(Fd),
- {ok, Stream2} = couch_stream:open(Fd),
- OneBits = <<1:(8*10)>>,
- etap:is(ok, couch_stream:write(Stream2, OneBits),
- "Successfully wrote 79 zero bits and 1 one bit."),
-
- ZeroBits = <<0:(8*10)>>,
- etap:is(ok, couch_stream:write(Stream2, ZeroBits),
- "Successfully wrote 80 0 bits."),
-
- {Ptrs2, Length2, _, _, _} = couch_stream:close(Stream2),
- etap:is(Ptrs2, [{ExpPtr, 20}], "Closing stream returns the file pointers."),
- etap:is(Length2, 20, "Length written is 160 bytes."),
-
- AllBits = iolist_to_binary([OneBits,ZeroBits]),
- etap:is(AllBits, read_all(Fd, Ptrs2), "Returned pointers are valid."),
-
- % Stream more the 4K chunk size.
- {ok, ExpPtr2} = couch_file:bytes(Fd),
- {ok, Stream3} = couch_stream:open(Fd, [{buffer_size, 4096}]),
- lists:foldl(fun(_, Acc) ->
- Data = <<"a1b2c">>,
- couch_stream:write(Stream3, Data),
- [Data | Acc]
- end, [], lists:seq(1, 1024)),
- {Ptrs3, Length3, _, _, _} = couch_stream:close(Stream3),
-
- % 4095 because of 5 * 4096 rem 5 (last write before exceeding threshold)
- % + 5 puts us over the threshold
- % + 4 bytes for the term_to_binary adding a length header
- % + 1 byte every 4K for tail append headers
- SecondPtr = ExpPtr2 + 4095 + 5 + 4 + 1,
- etap:is(Ptrs3, [{ExpPtr2, 4100}, {SecondPtr, 1020}], "Pointers every 4K bytes."),
- etap:is(Length3, 5120, "Wrote the expected 5K bytes."),
-
- couch_file:close(Fd),
- ok.