[FEAT MERGE] patch obkv feature from 42x

unittest/observer/tableapi/test_redis_parser.cpp

@@ -0,0 +1,146 @@
+/**
+ * Copyright (c) 2024 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 "src/share/table/ob_redis_parser.h"
+#include "src/share/ob_errno.h"
+
+using namespace oceanbase::common;
+
+namespace oceanbase
+{
+namespace table
+{
+class TestRedisParser : public::testing::Test
+{
+public:
+  TestRedisParser() {}
+  virtual ~TestRedisParser() {}
+  virtual void SetUp() {}
+  virtual void TearDown() {}
+};
+
+TEST_F(TestRedisParser, test_decode_inline) {
+  ObArenaAllocator allocator(ObModIds::TEST);
+  ObString redis_msg = "Monitor\r\n";
+  ObString method;
+  ObArray<ObString> args;
+  ASSERT_EQ(OB_SUCCESS, ObRedisParser::decode(allocator, redis_msg, method, args));
+  ASSERT_EQ(0, args.size());
+  ObString expected = "MONITOR";
+  ASSERT_EQ(method == expected, true);
+}
+
+TEST_F(TestRedisParser, test_decode_array) {
+  ObArenaAllocator allocator(ObModIds::TEST);
+  ObString redis_msg = "*2\r\n$3\r\nGET\r\n$6\r\nfoobar\r\n";
+  ObString method;
+  ObArray<ObString> args;
+  ASSERT_EQ(OB_SUCCESS, ObRedisParser::decode(allocator, redis_msg, method, args));
+  ASSERT_EQ(1, args.size());
+  ObString expected1 = "GET";
+  ASSERT_EQ(method == expected1, true);
+  ObString expected2 = "foobar";
+  ASSERT_EQ(args[0] == expected2, true);
+}
+
+TEST_F(TestRedisParser, test_decode_err) {
+  ObArenaAllocator allocator(ObModIds::TEST);
+  ObString method;
+  ObArray<ObString> args;
+  // invalid length
+  ObString redis_msg = "*3\r\n$3\r\nGET\r\n$6\r\nfoobar\r\n";
+  ASSERT_EQ(OB_KV_REDIS_PARSE_ERROR, ObRedisParser::decode(allocator, redis_msg, method, args));
+  redis_msg = "*1\r\n$3\r\nGET\r\n$6\r\nfoobar\r\n";
+  ASSERT_EQ(OB_KV_REDIS_PARSE_ERROR, ObRedisParser::decode(allocator, redis_msg, method, args));
+
+  // invalid end char
+  redis_msg = "$2\r\n$3\r\nGET\r\n$6\nfoobar\r\n";
+  ASSERT_EQ(OB_KV_REDIS_PARSE_ERROR, ObRedisParser::decode(allocator, redis_msg, method, args));
+  redis_msg = "Monitor\n";
+  ASSERT_EQ(OB_KV_REDIS_PARSE_ERROR, ObRedisParser::decode(allocator, redis_msg, method, args));
+
+  // invalid header
+  redis_msg = "-2\r\n$3\r\nGET\r\n$6\nfoobar\r\n";
+  ASSERT_EQ(OB_KV_REDIS_PARSE_ERROR, ObRedisParser::decode(allocator, redis_msg, method, args));
+}
+
+TEST_F(TestRedisParser, test_encode_simple_string)
+{
+  ObArenaAllocator allocator(ObModIds::TEST);
+  ObString str = "OK";
+  ObString encoded;
+  ASSERT_EQ(OB_SUCCESS, ObRedisParser::encode_simple_string(allocator, str, encoded));
+  ObString expected = "+OK\r\n";
+  ASSERT_EQ(expected == encoded, true);
+}
+
+TEST_F(TestRedisParser, test_encode_simple_error)
+{
+  ObArenaAllocator allocator(ObModIds::TEST);
+  ObString str = "ERR";
+  ObString encoded;
+  ASSERT_EQ(OB_SUCCESS, ObRedisParser::encode_error(allocator, str, encoded));
+  ObString expected = "-ERR\r\n";
+  ASSERT_EQ(expected == encoded, true);
+}
+
+TEST_F(TestRedisParser, test_encode_integer)
+{
+  ObArenaAllocator allocator(ObModIds::TEST);
+  int64_t i = 1234568789;
+  ObString encoded;
+  ASSERT_EQ(OB_SUCCESS, ObRedisParser::encode_integer(allocator, i, encoded));
+  ObString expected = ":1234568789\r\n";
+  ASSERT_EQ(expected == encoded, true);
+
+  i = -1234568789;
+  ASSERT_EQ(OB_SUCCESS, ObRedisParser::encode_integer(allocator, i, encoded));
+  expected = ":-1234568789\r\n";
+  ASSERT_EQ(expected == encoded, true);
+}
+
+TEST_F(TestRedisParser, test_encode_bulk_string)
+{
+  ObArenaAllocator allocator(ObModIds::TEST);
+  ObString str = "This is a bulk string";
+  ObString encoded;
+  ASSERT_EQ(OB_SUCCESS, ObRedisParser::encode_bulk_string(allocator, str, encoded));
+  ObString expected = "$21\r\nThis is a bulk string\r\n";
+  ASSERT_EQ(expected == encoded, true);
+}
+
+TEST_F(TestRedisParser, test_encode_array)
+{
+  ObArenaAllocator allocator(ObModIds::TEST);
+  ObArray<ObString> arr;
+  ASSERT_EQ(OB_SUCCESS, arr.push_back("hello world"));
+  ASSERT_EQ(OB_SUCCESS, arr.push_back("foobarbaz"));
+  ObString encoded;
+  ASSERT_EQ(OB_SUCCESS, ObRedisParser::encode_array(allocator, arr, encoded));
+  ObString expected = "*2\r\n$11\r\nhello world\r\n$9\r\nfoobarbaz\r\n";
+  std::cout << expected.ptr() << std::endl;
+  std::cout << encoded.ptr() << std::endl;
+  ASSERT_EQ(expected == encoded, true);
+}
+}
+}
+
+int main(int argc, char** argv)
+{
+  oceanbase::common::ObLogger::get_logger().set_log_level("INFO");
+  OB_LOGGER.set_log_level("INFO");
+  OB_LOGGER.set_file_name("test_redis_parser.log", true);
+  ::testing::InitGoogleTest(&argc, argv);
+  return RUN_ALL_TESTS();
+}