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-rw-r--r--test/etap/110-replication-changes-feed.t185
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diff --git a/test/etap/110-replication-changes-feed.t b/test/etap/110-replication-changes-feed.t
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+#!/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.
+
+%% XXX: Figure out how to -include("couch_db.hrl")
+-record(doc, {id= <<"">>, revs={0, []}, body={[]},
+ attachments=[], deleted=false, meta=[]}).
+
+main(_) ->
+ code:add_pathz("src/couchdb"),
+ code:add_pathz("src/ibrowse"),
+ code:add_pathz("src/mochiweb"),
+
+ etap:plan(6),
+ case (catch test()) of
+ ok ->
+ etap:end_tests();
+ Other ->
+ etap:diag(io_lib:format("Test died abnormally: ~p", [Other])),
+ etap:bail(Other)
+ end,
+ ok.
+
+test() ->
+ couch_server:start(
+ ["etc/couchdb/default_dev.ini", "etc/couchdb/local_dev.ini"]
+ ),
+ ibrowse:start(),
+ crypto:start(),
+
+ couch_server:delete(<<"etap-test-db">>, []),
+ {ok, Db} = couch_db:create(<<"etap-test-db">>, []),
+
+ test_unchanged_db(),
+ test_simple_change(),
+ test_since_parameter(),
+ test_continuous_parameter(),
+ test_conflicts(),
+ test_deleted_conflicts(),
+
+ couch_db:close(Db),
+ couch_server:delete(<<"etap-test-db">>, []),
+ ok.
+
+test_unchanged_db() ->
+ {ok, Pid} = couch_rep_changes_feed:start({local, "etap-test-db"}, []),
+ etap:is(
+ couch_rep_changes_feed:next(Pid),
+ complete,
+ "changes feed for unchanged DB is automatically complete"
+ ).
+
+test_simple_change() ->
+ Expect = generate_change(),
+ {ok, Pid} = couch_rep_changes_feed:start({local, "etap-test-db"}, []),
+ etap:is(
+ {couch_rep_changes_feed:next(Pid), couch_rep_changes_feed:next(Pid)},
+ {Expect, complete},
+ "change one document, get one row"
+ ).
+
+test_since_parameter() ->
+ {ok, Pid} = couch_rep_changes_feed:start({local, "etap-test-db"},
+ [{since, get_update_seq()}]),
+ etap:is(
+ couch_rep_changes_feed:next(Pid),
+ complete,
+ "since query-string parameter allows us to skip changes"
+ ).
+
+test_continuous_parameter() ->
+ {ok, Pid} = couch_rep_changes_feed:start({local, "etap-test-db"},
+ [{since, get_update_seq()}, {continuous, true}]),
+
+ % make the changes_feed request before the next update
+ Self = self(),
+ spawn(fun() ->
+ Change = couch_rep_changes_feed:next(Pid),
+ Self ! {actual, Change}
+ end),
+
+ Expect = generate_change(),
+ etap:is(
+ receive {actual, Actual} -> Actual end,
+ Expect,
+ "continuous query-string parameter picks up new changes"
+ ),
+
+ ok = couch_rep_changes_feed:stop(Pid).
+
+test_conflicts() ->
+ Since = get_update_seq(),
+ Expect = generate_conflict(),
+ {ok, Pid} = couch_rep_changes_feed:start({local, "etap-test-db"},
+ [{since, Since}]),
+ etap:is(
+ {couch_rep_changes_feed:next(Pid), couch_rep_changes_feed:next(Pid)},
+ {Expect, complete},
+ "conflict revisions show up in feed"
+ ).
+
+test_deleted_conflicts() ->
+ Since = get_update_seq(),
+ {ExpectProps} = generate_conflict(),
+
+ %% delete the conflict revision
+ Id = proplists:get_value(<<"id">>, ExpectProps),
+ [Win, {[{<<"rev">>, Lose}]}] = proplists:get_value(<<"changes">>, ExpectProps),
+ Doc = couch_doc:from_json_obj({[
+ {<<"_id">>, Id},
+ {<<"_rev">>, Lose},
+ {<<"_deleted">>, true}
+ ]}),
+ Db = get_db(),
+ {ok, Rev} = couch_db:update_doc(Db, Doc, [full_commit]),
+ couch_db:close(Db),
+
+ Expect = {[
+ {<<"seq">>, get_update_seq()},
+ {<<"id">>, Id},
+ {<<"changes">>, [Win, {[{<<"rev">>, couch_doc:rev_to_str(Rev)}]}]}
+ ]},
+
+ {ok, Pid} = couch_rep_changes_feed:start({local, "etap-test-db"},
+ [{since, Since}]),
+ etap:is(
+ {couch_rep_changes_feed:next(Pid), couch_rep_changes_feed:next(Pid)},
+ {Expect, complete},
+ "deleted conflict revisions show up in feed"
+ ).
+
+generate_change() ->
+ generate_change(couch_util:new_uuid()).
+
+generate_change(Id) ->
+ generate_change(Id, {[]}).
+
+generate_change(Id, EJson) ->
+ Doc = couch_doc:from_json_obj(EJson),
+ Db = get_db(),
+ {ok, Rev} = couch_db:update_doc(Db, Doc#doc{id = Id}, [full_commit]),
+ couch_db:close(Db),
+ {[
+ {<<"seq">>, get_update_seq()},
+ {<<"id">>, Id},
+ {<<"changes">>, [{[{<<"rev">>, couch_doc:rev_to_str(Rev)}]}]}
+ ]}.
+
+generate_conflict() ->
+ Id = couch_util:new_uuid(),
+ Db = get_db(),
+ Doc1 = (couch_doc:from_json_obj({[<<"foo">>, <<"bar">>]}))#doc{id = Id},
+ Doc2 = (couch_doc:from_json_obj({[<<"foo">>, <<"baz">>]}))#doc{id = Id},
+ {ok, Rev1} = couch_db:update_doc(Db, Doc1, [full_commit]),
+ {ok, Rev2} = couch_db:update_doc(Db, Doc2, [full_commit, all_or_nothing]),
+
+ %% relies on undocumented CouchDB conflict winner algo and revision sorting!
+ RevList = [{[{<<"rev">>, couch_doc:rev_to_str(R)}]} || R
+ <- lists:sort(fun(A,B) -> B<A end, [Rev1,Rev2])],
+ {[
+ {<<"seq">>, get_update_seq()},
+ {<<"id">>, Id},
+ {<<"changes">>, RevList}
+ ]}.
+
+get_db() ->
+ {ok, Db} = couch_db:open(<<"etap-test-db">>, []),
+ Db.
+
+get_update_seq() ->
+ Db = get_db(),
+ Seq = couch_db:get_update_seq(Db),
+ couch_db:close(Db),
+ Seq.