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Posted to commits@couchdb.apache.org by kx...@apache.org on 2014/06/17 00:52:55 UTC
[14/50] couchdb commit: updated refs/heads/1963-eunit to bfb7eb9
Port 100-ref-counter.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/fad32ab9
Tree: http://git-wip-us.apache.org/repos/asf/couchdb/tree/fad32ab9
Diff: http://git-wip-us.apache.org/repos/asf/couchdb/diff/fad32ab9
Branch: refs/heads/1963-eunit
Commit: fad32ab98af0abde6ea01694136ee1f79844f914
Parents: 9227502
Author: Alexander Shorin <kx...@apache.org>
Authored: Mon May 26 20:59:45 2014 +0400
Committer: Alexander Shorin <kx...@apache.org>
Committed: Mon Jun 16 00:51:18 2014 +0400
----------------------------------------------------------------------
test/couchdb/Makefile.am | 1 +
test/couchdb/couch_ref_counter_tests.erl | 107 ++++++++++++++++++++++++
test/etap/100-ref-counter.t | 114 --------------------------
test/etap/Makefile.am | 1 -
4 files changed, 108 insertions(+), 115 deletions(-)
----------------------------------------------------------------------
http://git-wip-us.apache.org/repos/asf/couchdb/blob/fad32ab9/test/couchdb/Makefile.am
----------------------------------------------------------------------
diff --git a/test/couchdb/Makefile.am b/test/couchdb/Makefile.am
index 53ae21d..59a366c 100644
--- a/test/couchdb/Makefile.am
+++ b/test/couchdb/Makefile.am
@@ -27,6 +27,7 @@ eunit_files = \
couch_doc_json_tests.erl \
couch_file_tests.erl \
couch_key_tree_tests.erl \
+ couch_ref_counter_tests.erl \
couch_stream_tests.erl \
couch_task_status_tests.erl \
couch_util_tests.erl \
http://git-wip-us.apache.org/repos/asf/couchdb/blob/fad32ab9/test/couchdb/couch_ref_counter_tests.erl
----------------------------------------------------------------------
diff --git a/test/couchdb/couch_ref_counter_tests.erl b/test/couchdb/couch_ref_counter_tests.erl
new file mode 100644
index 0000000..b7e97b4
--- /dev/null
+++ b/test/couchdb/couch_ref_counter_tests.erl
@@ -0,0 +1,107 @@
+% 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_ref_counter_tests).
+
+-include("couch_eunit.hrl").
+-include_lib("couchdb/couch_db.hrl").
+
+-define(TIMEOUT, 1000).
+
+
+setup() ->
+ {ok, RefCtr} = couch_ref_counter:start([]),
+ ChildPid = spawn(fun() -> loop() end),
+ {RefCtr, ChildPid}.
+
+teardown({_, ChildPid}) ->
+ erlang:monitor(process, ChildPid),
+ ChildPid ! close,
+ wait().
+
+
+couch_ref_counter_test_() ->
+ {
+ "CouchDB reference counter tests",
+ {
+ foreach,
+ fun setup/0, fun teardown/1,
+ [
+ fun should_initialize_with_calling_process_as_referrer/1,
+ fun should_ignore_unknown_pid/1,
+ fun should_increment_counter_on_pid_add/1,
+ fun should_not_increase_counter_on_readding_same_pid/1,
+ fun should_drop_ref_for_double_added_pid/1,
+ fun should_decrement_counter_on_pid_drop/1,
+ fun should_add_after_drop/1,
+ fun should_decrement_counter_on_process_exit/1
+
+ ]
+ }
+ }.
+
+
+should_initialize_with_calling_process_as_referrer({RefCtr, _}) ->
+ ?_assertEqual(1, couch_ref_counter:count(RefCtr)).
+
+should_ignore_unknown_pid({RefCtr, ChildPid}) ->
+ ?_assertEqual(ok, couch_ref_counter:drop(RefCtr, ChildPid)).
+
+should_increment_counter_on_pid_add({RefCtr, ChildPid}) ->
+ couch_ref_counter:add(RefCtr, ChildPid),
+ ?_assertEqual(2, couch_ref_counter:count(RefCtr)).
+
+should_not_increase_counter_on_readding_same_pid({RefCtr, ChildPid}) ->
+ couch_ref_counter:add(RefCtr, ChildPid),
+ couch_ref_counter:add(RefCtr, ChildPid),
+ ?_assertEqual(2, couch_ref_counter:count(RefCtr)).
+
+should_drop_ref_for_double_added_pid({RefCtr, ChildPid}) ->
+ couch_ref_counter:add(RefCtr, ChildPid),
+ couch_ref_counter:add(RefCtr, ChildPid),
+ couch_ref_counter:drop(RefCtr, ChildPid),
+ ?_assertEqual(2, couch_ref_counter:count(RefCtr)).
+
+should_decrement_counter_on_pid_drop({RefCtr, ChildPid}) ->
+ couch_ref_counter:add(RefCtr, ChildPid),
+ couch_ref_counter:drop(RefCtr, ChildPid),
+ ?_assertEqual(1, couch_ref_counter:count(RefCtr)).
+
+should_add_after_drop({RefCtr, ChildPid}) ->
+ couch_ref_counter:add(RefCtr, ChildPid),
+ couch_ref_counter:drop(RefCtr, ChildPid),
+ couch_ref_counter:add(RefCtr, ChildPid),
+ ?_assertEqual(2, couch_ref_counter:count(RefCtr)).
+
+should_decrement_counter_on_process_exit({RefCtr, ChildPid}) ->
+ ?_assertEqual(1,
+ begin
+ couch_ref_counter:add(RefCtr, ChildPid),
+ erlang:monitor(process, ChildPid),
+ ChildPid ! close,
+ wait(),
+ couch_ref_counter:count(RefCtr)
+ end).
+
+
+loop() ->
+ receive
+ close -> ok
+ end.
+
+wait() ->
+ receive
+ {'DOWN', _, _, _, _} ->
+ ok
+ after ?TIMEOUT ->
+ throw(timeout_error)
+ end.
http://git-wip-us.apache.org/repos/asf/couchdb/blob/fad32ab9/test/etap/100-ref-counter.t
----------------------------------------------------------------------
diff --git a/test/etap/100-ref-counter.t b/test/etap/100-ref-counter.t
deleted file mode 100755
index 8f996d0..0000000
--- a/test/etap/100-ref-counter.t
+++ /dev/null
@@ -1,114 +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(8),
- case (catch test()) of
- ok ->
- etap:end_tests();
- Other ->
- etap:diag(io_lib:format("Test died abnormally: ~p", [Other])),
- etap:bail(Other)
- end,
- ok.
-
-loop() ->
- receive
- close -> ok
- end.
-
-wait() ->
- receive
- {'DOWN', _, _, _, _} -> ok
- after 1000 ->
- throw(timeout_error)
- end.
-
-test() ->
- {ok, RefCtr} = couch_ref_counter:start([]),
-
- etap:is(
- couch_ref_counter:count(RefCtr),
- 1,
- "A ref_counter is initialized with the calling process as a referer."
- ),
-
- ChildPid1 = spawn(fun() -> loop() end),
-
- % This is largely implicit in that nothing else breaks
- % as ok is just returned from gen_server:cast()
- etap:is(
- couch_ref_counter:drop(RefCtr, ChildPid1),
- ok,
- "Dropping an unknown Pid is ignored."
- ),
-
- couch_ref_counter:add(RefCtr, ChildPid1),
- etap:is(
- couch_ref_counter:count(RefCtr),
- 2,
- "Adding a Pid to the ref_counter increases it's count."
- ),
-
- couch_ref_counter:add(RefCtr, ChildPid1),
- etap:is(
- couch_ref_counter:count(RefCtr),
- 2,
- "Readding the same Pid maintains the count but increments it's refs."
- ),
-
- couch_ref_counter:drop(RefCtr, ChildPid1),
- etap:is(
- couch_ref_counter:count(RefCtr),
- 2,
- "Droping the doubly added Pid only removes a ref, not a referer."
- ),
-
- couch_ref_counter:drop(RefCtr, ChildPid1),
- etap:is(
- couch_ref_counter:count(RefCtr),
- 1,
- "Dropping the second ref drops the referer."
- ),
-
- couch_ref_counter:add(RefCtr, ChildPid1),
- etap:is(
- couch_ref_counter:count(RefCtr),
- 2,
- "Sanity checking that the Pid was re-added."
- ),
-
- erlang:monitor(process, ChildPid1),
- ChildPid1 ! close,
- wait(),
-
- CheckFun = fun
- (Iter, nil) ->
- case couch_ref_counter:count(RefCtr) of
- 1 -> Iter;
- _ -> nil
- end;
- (_, Acc) ->
- Acc
- end,
- Result = lists:foldl(CheckFun, nil, lists:seq(1, 10000)),
- etap:isnt(
- Result,
- nil,
- "The referer count was decremented automatically on process exit."
- ),
-
- ok.
http://git-wip-us.apache.org/repos/asf/couchdb/blob/fad32ab9/test/etap/Makefile.am
----------------------------------------------------------------------
diff --git a/test/etap/Makefile.am b/test/etap/Makefile.am
index 4657656..2e38ee5 100644
--- a/test/etap/Makefile.am
+++ b/test/etap/Makefile.am
@@ -36,7 +36,6 @@ fixture_files = \
fixtures/test.couch
tap_files = \
- 100-ref-counter.t \
120-stats-collect.t \
121-stats-aggregates.cfg \
121-stats-aggregates.ini \