79 lines
2.5 KiB
C++
79 lines
2.5 KiB
C++
// Licensed to the Apache Software Foundation (ASF) under one
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// or more contributor license agreements. See the NOTICE file
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// distributed with this work for additional information
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// regarding copyright ownership. The ASF licenses this file
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// to you under the Apache License, Version 2.0 (the
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// "License"); you may not use this file except in compliance
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// with the License. You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing,
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// software distributed under the License is distributed on an
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// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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// KIND, either express or implied. See the License for the
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// specific language governing permissions and limitations
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// under the License.
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#include <gtest/gtest.h>
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#include "butil/files/file_watcher.h"
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#include "butil/logging.h"
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namespace {
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class FileWatcherTest : public ::testing::Test{
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protected:
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FileWatcherTest(){};
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virtual ~FileWatcherTest(){};
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virtual void SetUp() {
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};
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virtual void TearDown() {
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};
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};
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//! gejun: check basic functions of butil::FileWatcher
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TEST_F(FileWatcherTest, random_op) {
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srand (time(0));
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butil::FileWatcher fw;
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EXPECT_EQ (0, fw.init("dummy_file"));
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for (int i=0; i<30; ++i) {
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if (rand() % 2) {
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const butil::FileWatcher::Change ret = fw.check_and_consume();
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switch (ret) {
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case butil::FileWatcher::UPDATED:
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LOG(INFO) << fw.filepath() << " is updated";
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break;
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case butil::FileWatcher::CREATED:
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LOG(INFO) << fw.filepath() << " is created";
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break;
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case butil::FileWatcher::DELETED:
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LOG(INFO) << fw.filepath() << " is deleted";
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break;
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case butil::FileWatcher::UNCHANGED:
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LOG(INFO) << fw.filepath() << " does not change or still not exist";
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break;
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}
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}
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switch (rand() % 2) {
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case 0:
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ASSERT_EQ(0, system("touch dummy_file"));
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LOG(INFO) << "action: touch dummy_file";
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break;
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case 1:
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ASSERT_EQ(0, system("rm -f dummy_file"));
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LOG(INFO) << "action: rm -f dummy_file";
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break;
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case 2:
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LOG(INFO) << "action: (nothing)";
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break;
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}
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usleep (10000);
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}
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ASSERT_EQ(0, system("rm -f dummy_file"));
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}
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} // namespace
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