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deps/oblib/unittest/lib/json/test_json_print_utils.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.
+ */
+
+#define USING_LOG_PREFIX LIB
+
+#include <gtest/gtest.h>
+#include "lib/ob_define.h"
+#include "lib/json/ob_json_print_utils.h"
+
+namespace oceanbase {
+namespace json {
+using namespace common;
+
+void check_converted_json(const char* json, const char* std_json)
+{
+  ObStdJsonConvertor convertor;
+  const int64_t buf_len = strlen(json) * 2 + 1;
+  char buf[buf_len];
+
+  ASSERT_EQ(OB_SUCCESS, convertor.init(json, buf, buf_len));
+  int64_t len = 0;
+  ASSERT_EQ(OB_SUCCESS, convertor.convert(len));
+  ASSERT_LT(len, buf_len);
+  buf[len] = 0;
+  ASSERT_STREQ(buf, std_json);
+}
+
+TEST(TestStdJsonConvertor, all)
+{
+  const char* json = "";
+  check_converted_json(json, json);
+  ASSERT_FALSE(HasFailure());
+
+  json = "{}";
+  check_converted_json(json, json);
+  ASSERT_FALSE(HasFailure());
+
+  json = "      [             ]    ";
+  check_converted_json(json, json);
+  ASSERT_FALSE(HasFailure());
+
+  json = " { abc : 123,   \"abc2\"   : \"xxxxxxxxx   x\" ,  xyz: [] }  ";
+  const char* std_json = " { \"abc\" : 123,   \"abc2\"   : \"xxxxxxxxx   x\" ,  \"xyz\": [] }  ";
+  check_converted_json(json, std_json);
+  ASSERT_FALSE(HasFailure());
+
+  check_converted_json(std_json, std_json);
+  ASSERT_FALSE(HasFailure());
+
+  // with escaped string and json not finished
+  json = "{a:123, b:[false, true,\"abc\\\", abc:456\\\\\", ]:c:\"\",d : \"abc";
+  std_json = "{\"a\":123, \"b\":[false, true,\"abc\\\", abc:456\\\\\", ]:\"c\":\"\",\"d\" : \"abc";
+
+  check_converted_json(json, std_json);
+  ASSERT_FALSE(HasFailure());
+
+  check_converted_json(std_json, std_json);
+  ASSERT_FALSE(HasFailure());
+
+  // buf not enough
+  ObStdJsonConvertor convertor;
+  const int64_t buf_len = 10;
+  char buf[buf_len];
+  ASSERT_EQ(OB_SUCCESS, convertor.init(json, buf, buf_len));
+  int64_t len = 0;
+  ASSERT_EQ(OB_BUF_NOT_ENOUGH, convertor.convert(len));
+  ASSERT_TRUE(strncmp(std_json, buf, buf_len) == 0);
+}
+}  // end namespace json
+}  // 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();
+}