#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