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Posted to commits@couchdb.apache.org by ch...@apache.org on 2014/09/05 04:29:44 UTC
[05/50] [abbrv] couch commit: updated refs/heads/1963-eunit-bigcouch
to 2b2f129
Port 076-file-compression.t etap test suite to eunit
The original test suite was decoupled into compaction and comparison
cases.
Project: http://git-wip-us.apache.org/repos/asf/couchdb-couch/repo
Commit: http://git-wip-us.apache.org/repos/asf/couchdb-couch/commit/f8f5cd91
Tree: http://git-wip-us.apache.org/repos/asf/couchdb-couch/tree/f8f5cd91
Diff: http://git-wip-us.apache.org/repos/asf/couchdb-couch/diff/f8f5cd91
Branch: refs/heads/1963-eunit-bigcouch
Commit: f8f5cd91e4598981794f587fc87a3908c126c876
Parents: 093540b
Author: Alexander Shorin <kx...@apache.org>
Authored: Thu May 22 20:17:47 2014 +0400
Committer: Russell Branca <ch...@apache.org>
Committed: Thu Sep 4 14:37:31 2014 -0700
----------------------------------------------------------------------
test/couchdb/couchdb_file_compression_tests.erl | 239 +++++++++++++++++++
1 file changed, 239 insertions(+)
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http://git-wip-us.apache.org/repos/asf/couchdb-couch/blob/f8f5cd91/test/couchdb/couchdb_file_compression_tests.erl
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diff --git a/test/couchdb/couchdb_file_compression_tests.erl b/test/couchdb/couchdb_file_compression_tests.erl
new file mode 100644
index 0000000..fd3f513
--- /dev/null
+++ b/test/couchdb/couchdb_file_compression_tests.erl
@@ -0,0 +1,239 @@
+% 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(couchdb_file_compression_tests).
+
+-include("couch_eunit.hrl").
+-include_lib("couchdb/couch_db.hrl").
+
+-define(ADMIN_USER, {user_ctx, #user_ctx{roles=[<<"_admin">>]}}).
+-define(DDOC_ID, <<"_design/test">>).
+-define(DOCS_COUNT, 5000).
+-define(TIMEOUT, 30000).
+
+
+start() ->
+ {ok, Pid} = couch_server_sup:start_link(?CONFIG_CHAIN),
+ Pid.
+
+stop(Pid) ->
+ erlang:monitor(process, Pid),
+ couch_server_sup:stop(),
+ receive
+ {'DOWN', _, _, Pid, _} ->
+ ok
+ after ?TIMEOUT ->
+ throw({timeout, server_stop})
+ end.
+
+setup() ->
+ couch_config:set("couchdb", "file_compression", "none", false),
+ DbName = ?tempdb(),
+ {ok, Db} = couch_db:create(DbName, [?ADMIN_USER]),
+ ok = populate_db(Db, ?DOCS_COUNT),
+ DDoc = couch_doc:from_json_obj({[
+ {<<"_id">>, ?DDOC_ID},
+ {<<"language">>, <<"javascript">>},
+ {<<"views">>, {[
+ {<<"by_id">>, {[
+ {<<"map">>, <<"function(doc){emit(doc._id, doc.string);}">>}
+ ]}}
+ ]}
+ }
+ ]}),
+ {ok, _} = couch_db:update_doc(Db, DDoc, []),
+ refresh_index(DbName),
+ ok = couch_db:close(Db),
+ DbName.
+
+teardown(DbName) ->
+ ok = couch_server:delete(DbName, [?ADMIN_USER]),
+ ok.
+
+
+couch_auth_cache_test_() ->
+ {
+ "CouchDB file compression tests",
+ {
+ setup,
+ fun start/0, fun stop/1,
+ {
+ foreach,
+ fun setup/0, fun teardown/1,
+ [
+ fun should_use_none/1,
+ fun should_use_deflate_1/1,
+ fun should_use_deflate_9/1,
+ fun should_use_snappy/1,
+ fun should_compare_compression_methods/1
+ ]
+ }
+ }
+ }.
+
+
+should_use_none(DbName) ->
+ couch_config:set("couchdb", "file_compression", "none", false),
+ {
+ "Use no compression",
+ [
+ {"compact database", ?_test(compact_db(DbName))},
+ {"compact view", ?_test(compact_view(DbName))}
+ ]
+ }.
+
+should_use_deflate_1(DbName) ->
+ couch_config:set("couchdb", "file_compression", "deflate_1", false),
+ {
+ "Use deflate compression at level 1",
+ [
+ {"compact database", ?_test(compact_db(DbName))},
+ {"compact view", ?_test(compact_view(DbName))}
+ ]
+ }.
+
+should_use_deflate_9(DbName) ->
+ couch_config:set("couchdb", "file_compression", "deflate_9", false),
+ {
+ "Use deflate compression at level 9",
+ [
+ {"compact database", ?_test(compact_db(DbName))},
+ {"compact view", ?_test(compact_view(DbName))}
+ ]
+ }.
+
+should_use_snappy(DbName) ->
+ couch_config:set("couchdb", "file_compression", "snappy", false),
+ {
+ "Use snappy compression",
+ [
+ {"compact database", ?_test(compact_db(DbName))},
+ {"compact view", ?_test(compact_view(DbName))}
+ ]
+ }.
+
+should_compare_compression_methods(DbName) ->
+ {"none > snappy > deflate_1 > deflate_9",
+ {timeout, ?TIMEOUT div 1000, ?_test(compare_compression_methods(DbName))}}.
+
+compare_compression_methods(DbName) ->
+ couch_config:set("couchdb", "file_compression", "none", false),
+ compact_db(DbName),
+ compact_view(DbName),
+ DbSizeNone = db_disk_size(DbName),
+ ViewSizeNone = view_disk_size(DbName),
+
+ couch_config:set("couchdb", "file_compression", "snappy", false),
+ compact_db(DbName),
+ compact_view(DbName),
+ DbSizeSnappy = db_disk_size(DbName),
+ ViewSizeSnappy = view_disk_size(DbName),
+
+ ?assert(DbSizeNone > DbSizeSnappy),
+ ?assert(ViewSizeNone > ViewSizeSnappy),
+
+ couch_config:set("couchdb", "file_compression", "deflate_1", false),
+ compact_db(DbName),
+ compact_view(DbName),
+ DbSizeDeflate1 = db_disk_size(DbName),
+ ViewSizeDeflate1 = view_disk_size(DbName),
+
+ ?assert(DbSizeSnappy > DbSizeDeflate1),
+ ?assert(ViewSizeSnappy > ViewSizeDeflate1),
+
+ couch_config:set("couchdb", "file_compression", "deflate_9", false),
+ compact_db(DbName),
+ compact_view(DbName),
+ DbSizeDeflate9 = db_disk_size(DbName),
+ ViewSizeDeflate9 = view_disk_size(DbName),
+
+ ?assert(DbSizeDeflate1 > DbSizeDeflate9),
+ ?assert(ViewSizeDeflate1 > ViewSizeDeflate9).
+
+
+populate_db(_Db, NumDocs) when NumDocs =< 0 ->
+ ok;
+populate_db(Db, NumDocs) ->
+ Docs = lists:map(
+ fun(_) ->
+ couch_doc:from_json_obj({[
+ {<<"_id">>, couch_uuids:random()},
+ {<<"string">>, ?l2b(lists:duplicate(1000, $X))}
+ ]})
+ end,
+ lists:seq(1, 500)),
+ {ok, _} = couch_db:update_docs(Db, Docs, []),
+ populate_db(Db, NumDocs - 500).
+
+refresh_index(DbName) ->
+ {ok, Db} = couch_db:open_int(DbName, []),
+ {ok, DDoc} = couch_db:open_doc(Db, ?DDOC_ID, [ejson_body]),
+ couch_mrview:query_view(Db, DDoc, <<"by_id">>, [{stale, false}]),
+ ok = couch_db:close(Db).
+
+compact_db(DbName) ->
+ DiskSizeBefore = db_disk_size(DbName),
+ {ok, Db} = couch_db:open_int(DbName, []),
+ {ok, CompactPid} = couch_db:start_compact(Db),
+ MonRef = erlang:monitor(process, CompactPid),
+ receive
+ {'DOWN', MonRef, process, CompactPid, normal} ->
+ ok;
+ {'DOWN', MonRef, process, CompactPid, Reason} ->
+ erlang:error({assertion_failed,
+ [{module, ?MODULE},
+ {line, ?LINE},
+ {reason, "Error compacting database: "
+ ++ couch_util:to_list(Reason)}]})
+ after ?TIMEOUT ->
+ erlang:error({assertion_failed,
+ [{module, ?MODULE},
+ {line, ?LINE},
+ {reason, "Timeout waiting for database compaction"}]})
+ end,
+ ok = couch_db:close(Db),
+ DiskSizeAfter = db_disk_size(DbName),
+ ?assert(DiskSizeBefore > DiskSizeAfter).
+
+compact_view(DbName) ->
+ DiskSizeBefore = view_disk_size(DbName),
+ {ok, MonRef} = couch_mrview:compact(DbName, ?DDOC_ID, [monitor]),
+ receive
+ {'DOWN', MonRef, process, _CompactPid, normal} ->
+ ok;
+ {'DOWN', MonRef, process, _CompactPid, Reason} ->
+ erlang:error({assertion_failed,
+ [{module, ?MODULE},
+ {line, ?LINE},
+ {reason, "Error compacting view group: "
+ ++ couch_util:to_list(Reason)}]})
+ after ?TIMEOUT ->
+ erlang:error({assertion_failed,
+ [{module, ?MODULE},
+ {line, ?LINE},
+ {reason, "Timeout waiting for view group compaction"}]})
+ end,
+ DiskSizeAfter = view_disk_size(DbName),
+ ?assert(DiskSizeBefore > DiskSizeAfter).
+
+db_disk_size(DbName) ->
+ {ok, Db} = couch_db:open_int(DbName, []),
+ {ok, Info} = couch_db:get_db_info(Db),
+ ok = couch_db:close(Db),
+ couch_util:get_value(disk_size, Info).
+
+view_disk_size(DbName) ->
+ {ok, Db} = couch_db:open_int(DbName, []),
+ {ok, DDoc} = couch_db:open_doc(Db, ?DDOC_ID, [ejson_body]),
+ {ok, Info} = couch_mrview:get_info(Db, DDoc),
+ ok = couch_db:close(Db),
+ couch_util:get_value(disk_size, Info).