| // Licensed to the Apache Software Foundation (ASF) under one |
| // or more contributor license agreements. See the NOTICE file |
| // distributed with this work for additional information |
| // regarding copyright ownership. The ASF licenses this file |
| // to you 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. |
| |
| #include <gtest/gtest.h> |
| #include "butil/files/file_watcher.h" |
| #include "butil/logging.h" |
| |
| namespace { |
| class FileWatcherTest : public ::testing::Test{ |
| protected: |
| FileWatcherTest(){}; |
| virtual ~FileWatcherTest(){}; |
| virtual void SetUp() { |
| }; |
| virtual void TearDown() { |
| }; |
| }; |
| |
| //! gejun: check basic functions of butil::FileWatcher |
| TEST_F(FileWatcherTest, random_op) { |
| srand (time(0)); |
| |
| butil::FileWatcher fw; |
| EXPECT_EQ (0, fw.init("dummy_file")); |
| |
| for (int i=0; i<30; ++i) { |
| if (rand() % 2) { |
| const butil::FileWatcher::Change ret = fw.check_and_consume(); |
| switch (ret) { |
| case butil::FileWatcher::UPDATED: |
| LOG(INFO) << fw.filepath() << " is updated"; |
| break; |
| case butil::FileWatcher::CREATED: |
| LOG(INFO) << fw.filepath() << " is created"; |
| break; |
| case butil::FileWatcher::DELETED: |
| LOG(INFO) << fw.filepath() << " is deleted"; |
| break; |
| case butil::FileWatcher::UNCHANGED: |
| LOG(INFO) << fw.filepath() << " does not change or still not exist"; |
| break; |
| } |
| } |
| |
| switch (rand() % 2) { |
| case 0: |
| ASSERT_EQ(0, system("touch dummy_file")); |
| LOG(INFO) << "action: touch dummy_file"; |
| break; |
| case 1: |
| ASSERT_EQ(0, system("rm -f dummy_file")); |
| LOG(INFO) << "action: rm -f dummy_file"; |
| break; |
| case 2: |
| LOG(INFO) << "action: (nothing)"; |
| break; |
| } |
| |
| usleep (10000); |
| } |
| ASSERT_EQ(0, system("rm -f dummy_file")); |
| } |
| |
| } // namespace |