/Users/deen/code/yugabyte-db/src/yb/consensus/log_util-test.cc
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1 | | // Copyright (c) YugaByte, Inc. |
2 | | // |
3 | | // Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except |
4 | | // in compliance with the License. You may obtain a copy of the License at |
5 | | // |
6 | | // http://www.apache.org/licenses/LICENSE-2.0 |
7 | | // |
8 | | // Unless required by applicable law or agreed to in writing, software distributed under the License |
9 | | // is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express |
10 | | // or implied. See the License for the specific language governing permissions and limitations |
11 | | // under the License. |
12 | | // |
13 | | |
14 | | #include <gtest/gtest.h> |
15 | | |
16 | | #include "yb/consensus/log_util.h" |
17 | | #include "yb/util/test_macros.h" |
18 | | |
19 | | namespace yb { |
20 | | |
21 | | #if defined(__linux__) |
22 | | TEST(TestLogUtil, TestModifyDurableWriteFlagIfNotDirectNegative) { |
23 | | gflags::FlagSaver flag_saver; |
24 | | FLAGS_fs_data_dirs = "/var/run"; |
25 | | |
26 | | // Test that the method does not crash and durable_wal_write is flipped |
27 | | // when directory is not O_DIRECT writable. |
28 | | FLAGS_durable_wal_write = true; |
29 | | FLAGS_require_durable_wal_write = false; |
30 | | ASSERT_OK(log::ModifyDurableWriteFlagIfNotODirect()); |
31 | | ASSERT_EQ(FLAGS_durable_wal_write, false); |
32 | | |
33 | | // Test that the method crashes when durable_wal_write is set to true. |
34 | | FLAGS_durable_wal_write = true; |
35 | | FLAGS_require_durable_wal_write = true; |
36 | | ASSERT_NOK(log::ModifyDurableWriteFlagIfNotODirect()); |
37 | | } |
38 | | #endif |
39 | | |
40 | 1 | TEST(TestLogUtil, TestModifyDurableWriteFlagIfNotODirectPositive) { |
41 | 1 | gflags::FlagSaver flag_saver; |
42 | | // Test that the method does not crash when durable_wal_write is set true and paths are O_DIRECT |
43 | | // Writable. |
44 | 1 | FLAGS_durable_wal_write = true; |
45 | 1 | ASSERT_OK(log::ModifyDurableWriteFlagIfNotODirect()); |
46 | | // Test that the method does not crash when durable_wal_write is set to false. |
47 | 1 | FLAGS_durable_wal_write = false; |
48 | 1 | ASSERT_OK(log::ModifyDurableWriteFlagIfNotODirect()); |
49 | 1 | } |
50 | | } // namespace yb |