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// Copyright (c) 2011 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "base/file_util.h"
#include "base/path_service.h"
#include "base/process_util.h"
#include "base/scoped_temp_dir.h"
#include "base/string_util.h"
#include "build/build_config.h"
#include "chrome/browser/importer/firefox_profile_lock.h"
#include "chrome/common/chrome_paths.h"
#include "testing/gtest/include/gtest/gtest.h"
class FirefoxProfileLockTest : public testing::Test {
protected:
virtual void SetUp() {
ASSERT_TRUE(temp_dir_.CreateUniqueTempDir());
}
ScopedTempDir temp_dir_;
};
TEST_F(FirefoxProfileLockTest, LockTest) {
FirefoxProfileLock lock1(temp_dir_.path());
ASSERT_TRUE(lock1.HasAcquired());
lock1.Unlock();
ASSERT_FALSE(lock1.HasAcquired());
lock1.Lock();
ASSERT_TRUE(lock1.HasAcquired());
}
// Tests basic functionality and verifies that the lock file is deleted after
// use.
TEST_F(FirefoxProfileLockTest, ProfileLock) {
FilePath test_path = temp_dir_.path();
FilePath lock_file_path = test_path.Append(FirefoxProfileLock::kLockFileName);
scoped_ptr<FirefoxProfileLock> lock;
EXPECT_EQ(static_cast<FirefoxProfileLock*>(NULL), lock.get());
EXPECT_FALSE(file_util::PathExists(lock_file_path));
lock.reset(new FirefoxProfileLock(test_path));
EXPECT_TRUE(lock->HasAcquired());
EXPECT_TRUE(file_util::PathExists(lock_file_path));
lock->Unlock();
EXPECT_FALSE(lock->HasAcquired());
// In the posix code, we don't delete the file when releasing the lock.
#if !defined(OS_POSIX)
EXPECT_FALSE(file_util::PathExists(lock_file_path));
#endif // !defined(OS_POSIX)
lock->Lock();
EXPECT_TRUE(lock->HasAcquired());
EXPECT_TRUE(file_util::PathExists(lock_file_path));
lock->Lock();
EXPECT_TRUE(lock->HasAcquired());
lock->Unlock();
EXPECT_FALSE(lock->HasAcquired());
// In the posix code, we don't delete the file when releasing the lock.
#if !defined(OS_POSIX)
EXPECT_FALSE(file_util::PathExists(lock_file_path));
#endif // !defined(OS_POSIX)
}
// If for some reason the lock file is left behind by the previous owner, we
// should still be able to lock it, at least in the Windows implementation.
TEST_F(FirefoxProfileLockTest, ProfileLockOrphaned) {
FilePath test_path = temp_dir_.path();
FilePath lock_file_path = test_path.Append(FirefoxProfileLock::kLockFileName);
// Create the orphaned lock file.
FILE* lock_file = file_util::OpenFile(lock_file_path, "w");
ASSERT_TRUE(lock_file);
file_util::CloseFile(lock_file);
EXPECT_TRUE(file_util::PathExists(lock_file_path));
scoped_ptr<FirefoxProfileLock> lock;
EXPECT_EQ(static_cast<FirefoxProfileLock*>(NULL), lock.get());
lock.reset(new FirefoxProfileLock(test_path));
EXPECT_TRUE(lock->HasAcquired());
lock->Unlock();
EXPECT_FALSE(lock->HasAcquired());
}
// This is broken on POSIX since the same process is allowed to reacquire a
// lock.
#if !defined(OS_POSIX)
// Tests two locks contending for the same lock file.
TEST_F(FirefoxProfileLockTest, ProfileLockContention) {
FilePath test_path = temp_dir_.path();
scoped_ptr<FirefoxProfileLock> lock1;
EXPECT_EQ(static_cast<FirefoxProfileLock*>(NULL), lock1.get());
lock1.reset(new FirefoxProfileLock(test_path));
EXPECT_TRUE(lock1->HasAcquired());
scoped_ptr<FirefoxProfileLock> lock2;
EXPECT_EQ(static_cast<FirefoxProfileLock*>(NULL), lock2.get());
lock2.reset(new FirefoxProfileLock(test_path));
EXPECT_FALSE(lock2->HasAcquired());
lock1->Unlock();
EXPECT_FALSE(lock1->HasAcquired());
lock2->Lock();
EXPECT_TRUE(lock2->HasAcquired());
lock2->Unlock();
EXPECT_FALSE(lock2->HasAcquired());
}
#endif
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