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Make sure GetUniqueID releated tests run on "regular" storage

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Summary:
With the use of tmpfs or ramfs, unit tests related to GetUniqueID()
failed because of the failure from ioctl, which doesn't work with these
fancy file systems at all.

I fixed this issue and make sure all related tests run on the "regular"
storage (disk or flash).

Test Plan: TEST_TMPDIR=/dev/shm make check -j32

Reviewers: igor, dhruba

CC: leveldb

Differential Revision: https://reviews.facebook.net/D16593
This commit is contained in:
Kai Liu 2014-03-05 14:28:47 -08:00
parent ecb1ffa2a8
commit abeee9f2cb
1 changed files with 24 additions and 3 deletions
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27
util/env_test.cc
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@ -7,6 +7,7 @@
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file. See the AUTHORS file for names of contributors.
#include <sys/types.h>
#include <iostream>
#include <unordered_set>
@ -191,6 +192,15 @@ bool IsSingleVarint(const std::string& s) {
}
#ifdef OS_LINUX
// To make sure the Env::GetUniqueId() related tests work correctly, The files
// should be stored in regular storage like "hard disk" or "flash device".
// Otherwise we cannot get the correct id.
//
// The following function act as the replacement of test::TmpDir() that may be
// customized by user to be on a storage that doesn't work with GetUniqueId().
//
// TODO(kailiu) This function still assumes /tmp/<test-dir> reside in regular
// storage system.
bool IsUniqueIDValid(const std::string& s) {
return !s.empty() && !IsSingleVarint(s);
}
@ -198,11 +208,21 @@ bool IsUniqueIDValid(const std::string& s) {
const size_t MAX_ID_SIZE = 100;
char temp_id[MAX_ID_SIZE];
std::string GetOnDiskTestDir() {
char base[100];
snprintf(base, sizeof(base), "/tmp/rocksdbtest-%d",
static_cast<int>(geteuid()));
// Directory may already exist
Env::Default()->CreateDirIfMissing(base);
return base;
}
// Only works in linux platforms
TEST(EnvPosixTest, RandomAccessUniqueID) {
// Create file.
const EnvOptions soptions;
std::string fname = test::TmpDir() + "/" + "testfile";
std::string fname = GetOnDiskTestDir() + "/" + "testfile";
unique_ptr<WritableFile> wfile;
ASSERT_OK(env_->NewWritableFile(fname, &wfile, soptions));
@ -261,7 +281,7 @@ TEST(EnvPosixTest, RandomAccessUniqueIDConcurrent) {
// Create the files
std::vector<std::string> fnames;
for (int i = 0; i < 1000; ++i) {
fnames.push_back(test::TmpDir() + "/" + "testfile" + std::to_string(i));
fnames.push_back(GetOnDiskTestDir() + "/" + "testfile" + std::to_string(i));
// Create file.
unique_ptr<WritableFile> wfile;
@ -294,7 +314,8 @@ TEST(EnvPosixTest, RandomAccessUniqueIDConcurrent) {
// Only works in linux platforms
TEST(EnvPosixTest, RandomAccessUniqueIDDeletes) {
const EnvOptions soptions;
std::string fname = test::TmpDir() + "/" + "testfile";
std::string fname = GetOnDiskTestDir() + "/" + "testfile";
// Check that after file is deleted we don't get same ID again in a new file.
std::unordered_set<std::string> ids;