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unittest/sql/optimizer/test_json_format.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/json/ob_json.h"
+#include "lib/allocator/ob_mod_define.h"
+
+using namespace oceanbase::common;
+using namespace oceanbase::json;
+// using namespace oceanbase::sql;
+
+class TestJsonFormat : public ::testing::Test {
+  public:
+  TestJsonFormat(){};
+  virtual ~TestJsonFormat(){};
+  virtual void SetUp(){};
+  virtual void TearDown(){};
+
+  private:
+  // disallow copy and assign
+  TestJsonFormat(const TestJsonFormat& other);
+  TestJsonFormat& operator=(const TestJsonFormat& ohter);
+};
+
+TEST_F(TestJsonFormat, basic)
+{
+  char json[] = "{\
+  \"main_query\":  [{\
+    \"PHY_PROJECT\":  { },\
+    \"PHY_INDEX_SELECTOR\":  {\
+      \"USE_INDEX\": \"test\" },\
+            \"PHY_TABLE_RPC_SCAN_IMPL\":  {\
+              \"PHY_RPC_SCAN\":  {\
+                \"scan_plan\":  {\
+                  \"plan\":  {\
+                    \"plan\":  {\
+                      \"main_query\":  {\
+                        \"PHY_PROJECT\":  { },\
+                        \"PHY_TABLET_SCAN_V2\":  { } } } } } } } }] }";
+  int32_t length = static_cast<int32_t>(strlen(json));
+
+  ObArenaAllocator allocator(ObModIds::OB_SQL_PARSER);
+  Parser parser;
+  parser.init(&allocator, NULL);
+  Value* root = NULL;
+  parser.parse(json, length, root);
+  Tidy tidy(root);
+  char output_buf[OB_MAX_LOG_BUFFER_SIZE];
+  output_buf[0] = '\n';
+  int64_t pos = tidy.to_string(output_buf + 1, sizeof(output_buf));
+  output_buf[pos + 1] = '\n';
+  _OB_LOG(INFO, "%.*s", static_cast<int32_t>(pos + 2), output_buf);
+}
+
+int main(int argc, char** argv)
+{
+  oceanbase::common::ObLogger::get_logger().set_log_level("DEBUG");
+  ::testing::InitGoogleTest(&argc, argv);
+  return RUN_ALL_TESTS();
+}