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deps/oblib/unittest/lib/oblog/test_base_log_buffer.cpp

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+/**
+ * Copyright (c) 2021 OceanBase
+ * OceanBase CE is licensed under Mulan PubL v2.
+ * You can use this software according to the terms and conditions of the Mulan PubL v2.
+ * You may obtain a copy of Mulan PubL v2 at:
+ *          http://license.coscl.org.cn/MulanPubL-2.0
+ * THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
+ * EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
+ * MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
+ * See the Mulan PubL v2 for more details.
+ */
+
+#include <gtest/gtest.h>
+#include "lib/oblog/ob_base_log_buffer.h"
+#include "lib/oblog/ob_log.h"
+#include "lib/ob_errno.h"
+
+namespace oceanbase {
+namespace common {
+
+TEST(ObBaseLogBuffer, normal)
+{
+  int ret = OB_SUCCESS;
+  ObBaseLogBufferMgr& buf_mgr = ObBaseLogBufferMgr::get_instance();
+  char cur_dir[128];
+  char shm_path[128];
+  ObBaseLogBufferCtrl* log_ctrl = NULL;
+  ObBaseLogBuffer* log_buf = NULL;
+
+  system("rm -rf ./test_blb");
+  system("mkdir test_blb");
+
+  getcwd(cur_dir, 128);
+  sprintf(shm_path, "%s/test_blb/shm_buf", cur_dir);
+
+  // not absolute dir
+  strcpy(shm_path, "./test_blb");
+  ret = buf_mgr.get_buffer(shm_path, log_ctrl);
+  ASSERT_EQ(OB_SUCCESS, ret);
+
+  buf_mgr.destroy();
+
+  // invalid argument;
+  ret = buf_mgr.get_buffer(NULL, log_ctrl);
+  ASSERT_NE(OB_SUCCESS, ret);
+
+  // first get buffer
+  ret = buf_mgr.get_buffer(shm_path, log_ctrl);
+  ASSERT_EQ(OB_SUCCESS, ret);
+  ASSERT_TRUE(NULL != log_ctrl);
+  log_buf = log_ctrl->base_buf_;
+  memcpy(log_ctrl->data_buf_, shm_path, strlen(shm_path));
+  log_buf->file_write_pos_.file_offset_ = (uint32_t)strlen(shm_path);
+
+  // second get buffer
+  ret = buf_mgr.get_buffer(shm_path, log_ctrl);
+  ASSERT_EQ(OB_SUCCESS, ret);
+
+  // double destroy
+  buf_mgr.destroy();
+  buf_mgr.destroy();
+
+  // try again
+  ret = buf_mgr.get_buffer(shm_path, log_ctrl);
+  ASSERT_EQ(OB_SUCCESS, ret);
+  ASSERT_TRUE(NULL != log_ctrl);
+  log_buf = log_ctrl->base_buf_;
+  ASSERT_TRUE(((int64_t)(log_buf) % (4 * 1024)) == 0);
+  ASSERT_TRUE(memcmp(log_ctrl->data_buf_, shm_path, strlen(shm_path)) == 0);
+  ASSERT_TRUE(log_buf->file_write_pos_.file_offset_ == strlen(shm_path));
+}
+}  // namespace common
+}  // namespace oceanbase
+
+int main(int argc, char** argv)
+{
+  oceanbase::common::ObLogger::get_logger().set_log_level("INFO");
+  testing::InitGoogleTest(&argc, argv);
+  return RUN_ALL_TESTS();
+}