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% 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_mrview_red_views_tests).
-include_lib("couch/include/couch_eunit.hrl").
-include_lib("couch/include/couch_db.hrl").
-define(TIMEOUT, 1000).
setup() ->
{ok, Db} = couch_mrview_test_util:init_db(?tempdb(), red),
Db.
teardown(Db) ->
couch_db:close(Db),
couch_server:delete(couch_db:name(Db), [?ADMIN_CTX]),
ok.
reduce_views_test_() ->
{
"Reduce views",
{
setup,
fun test_util:start_couch/0, fun test_util:stop_couch/1,
{
foreach,
fun setup/0, fun teardown/1,
[
fun should_reduce_basic/1,
fun should_reduce_key_range/1,
fun should_reduce_with_group_level/1,
fun should_reduce_with_group_exact/1
]
}
}
}.
should_reduce_basic(Db) ->
Result = run_query(Db, []),
Expect = {ok, [
{meta, []},
{row, [{key, null}, {value, 55}]}
]},
?_assertEqual(Expect, Result).
should_reduce_key_range(Db) ->
Result = run_query(Db, [{start_key, [0, 2]}, {end_key, [0, 4]}]),
Expect = {ok, [
{meta, []},
{row, [{key, null}, {value, 6}]}
]},
?_assertEqual(Expect, Result).
should_reduce_with_group_level(Db) ->
Result = run_query(Db, [{group_level, 1}]),
Expect = {ok, [
{meta, []},
{row, [{key, [0]}, {value, 30}]},
{row, [{key, [1]}, {value, 25}]}
]},
?_assertEqual(Expect, Result).
should_reduce_with_group_exact(Db) ->
Result = run_query(Db, [{group_level, exact}]),
Expect = {ok, [
{meta, []},
{row, [{key, [0, 2]}, {value, 2}]},
{row, [{key, [0, 4]}, {value, 4}]},
{row, [{key, [0, 6]}, {value, 6}]},
{row, [{key, [0, 8]}, {value, 8}]},
{row, [{key, [0, 10]}, {value, 10}]},
{row, [{key, [1, 1]}, {value, 1}]},
{row, [{key, [1, 3]}, {value, 3}]},
{row, [{key, [1, 5]}, {value, 5}]},
{row, [{key, [1, 7]}, {value, 7}]},
{row, [{key, [1, 9]}, {value, 9}]}
]},
?_assertEqual(Expect, Result).
run_query(Db, Opts) ->
couch_mrview:query_view(Db, <<"_design/red">>, <<"baz">>, Opts).
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