1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
|
% 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(fabric2_tx_options_tests).
-include_lib("couch/include/couch_eunit.hrl").
-include_lib("eunit/include/eunit.hrl").
-include_lib("couch/include/couch_db.hrl").
-include("fabric2_test.hrl").
-include("fabric2.hrl").
fdb_tx_options_test_() ->
{
"Test setting default transaction options",
setup,
fun() ->
meck:new(erlfdb, [passthrough]),
% erlfdb, ctrace are all dependent apps for fabric. We make
% sure to start them so when fabric is started during the test it
% already has its dependencies
test_util:start_couch([erlfdb, ctrace, fabric])
end,
fun(Ctx) ->
meck:unload(),
config:delete("fdb_tx_options", "size_limit", false),
config:delete("fdb_tx_options", "max_retry_delay", false),
config:delete("fdb_tx_options", "machine_id", false),
config:delete("fdb_tx_options", "datacenter_id", false),
test_util:stop_couch(Ctx)
end,
with([
?TDEF(options_take_effect, 15),
?TDEF(can_configure_options_at_runtime, 15),
?TDEF(can_apply_options_to_db_name_transactions),
?TDEF(can_apply_options_to_db_handle_transactions)
])
}.
options_take_effect(_) ->
ok = application:stop(fabric),
% Try one of each type including some invalid values
config:set("fdb_tx_options", "size_limit", "150000", false),
config:set("fdb_tx_options", "max_retry_delay", "badness", false),
config:set("fdb_tx_options", "machine_id", "123abc", false),
TooLong = ["x" || _ <- lists:seq(1, 1000)],
config:set("fdb_tx_options", "datacenter_id", TooLong, false),
ok = application:start(fabric),
DbName = ?tempdb(),
{ok, Db} = fabric2_db:create(DbName, [?ADMIN_CTX]),
?assertError({erlfdb_error, ?ERLFDB_TRANSACTION_TOO_LARGE},
add_large_doc(Db, 200000)),
ok = fabric2_db:delete(DbName, [?ADMIN_CTX]).
can_configure_options_at_runtime(_) ->
meck:expect(erlfdb, set_option, fun(Fdb, Option, Val) ->
meck:passthrough([Fdb, Option, Val])
end),
meck:reset(erlfdb),
config:set("fdb_tx_options", "size_limit", "150000", false),
meck:wait(erlfdb, set_option, ['_', size_limit, 150000], 4000),
DbName = ?tempdb(),
{ok, Db} = fabric2_db:create(DbName, [?ADMIN_CTX]),
?assertError({erlfdb_error, ?ERLFDB_TRANSACTION_TOO_LARGE},
add_large_doc(Db, 200000)),
meck:reset(erlfdb),
% Wait until after fabric2_server has updated the new fdb handle
OldDbHandle = get(?PDICT_DB_KEY),
config:delete("fdb_tx_options", "size_limit", false),
test_util:wait(fun() ->
case application:get_env(fabric, db) of
{ok, OldDbHandle} -> wait;
{ok, _} -> ok
end
end),
erase(?PDICT_DB_KEY),
{ok, Db1} = fabric2_db:open(DbName, [?ADMIN_CTX]),
?assertMatch({ok, _}, add_large_doc(Db1, 200000)),
ok = fabric2_db:delete(DbName, [?ADMIN_CTX]).
can_apply_options_to_db_name_transactions(_) ->
DbName = ?tempdb(),
TxFun = fun(TxDb) ->
#{tx := Tx} = TxDb,
fabric2_fdb:create(TxDb, [?ADMIN_CTX]),
erlfdb:wait(erlfdb:get(Tx, <<16#FF, "/primaryDatacenter">>))
end,
TxOpts = #{read_system_keys => <<>>},
?assertEqual(<<>>, fabric2_fdb:transactional(DbName, TxOpts, TxFun)),
ok = fabric2_db:delete(DbName, [?ADMIN_CTX]).
can_apply_options_to_db_handle_transactions(_) ->
DbName = ?tempdb(),
{ok, Db} = fabric2_db:create(DbName, [?ADMIN_CTX]),
TxFun = fun(TxDb) ->
fabric2_db:update_doc(TxDb, large_doc(200000))
end,
TxOpts = #{size_limit => 150000},
?assertError({erlfdb_error, ?ERLFDB_TRANSACTION_TOO_LARGE},
fabric2_fdb:transactional(Db, TxOpts, TxFun)),
ok = fabric2_db:delete(DbName, [?ADMIN_CTX]).
add_large_doc(Db, Size) ->
fabric2_db:update_doc(Db, large_doc(Size)).
large_doc(Size) ->
#doc{
id = fabric2_util:uuid(),
body = {[{<<"x">>, crypto:strong_rand_bytes(Size)}]}
}.
|
