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unittest/share/schema/test_table_iter.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 SHARE_SCHEMA
+#include "share/ob_define.h"
+#include "lib/oblog/ob_log.h"
+#include <gtest/gtest.h>
+#include <iostream>
+#include "share/inner_table/ob_inner_table_schema.h"
+#include "share/schema/ob_schema_service_sql_impl.h"
+#include "share/schema/ob_schema_getter_guard.h"
+#include "share/schema/ob_table_iter.h"
+#include "mock_schema_service.h"
+#include "schema_test_utils.h"
+
+namespace oceanbase {
+using namespace common;
+namespace share {
+namespace schema {
+class TestTableIterator : public ::testing::Test {
+  public:
+  virtual void SetUp();
+  virtual void TearDown()
+  {}
+};
+
+void TestTableIterator::SetUp()
+{}
+
+TEST_F(TestTableIterator, init)
+{
+  int ret = OB_SUCCESS;
+  MockSchemaService schema_service;
+  ObSchemaGetterGuard schema_guard;
+  ret = schema_service.get_schema_guard(schema_guard);
+  ASSERT_EQ(OB_SUCCESS, ret);
+  // schema_service.init();
+  // ObTenantSchema tenant_schema;
+  // GEN_TENANT_SCHEMA(tenant_schema, 1, "sys", 0);
+  // schema_service.add_tenant_schema(tenant_schema, tenant_schema.get_schema_version());
+  uint64_t table_id = OB_INVALID_ID;
+  ObTableIterator table_iter;
+  ret = table_iter.next(table_id);
+  ASSERT_EQ(OB_NOT_INIT, ret);
+  ret = table_iter.init(NULL);
+  ASSERT_EQ(OB_INVALID_ARGUMENT, ret);
+  ret = table_iter.init(&schema_guard);
+  ASSERT_EQ(OB_SUCCESS, ret);
+  ret = table_iter.init(&schema_guard);
+  ASSERT_EQ(OB_INIT_TWICE, ret);
+
+  ret = table_iter.next(table_id);
+  ASSERT_EQ(OB_ITER_END, ret);
+};
+
+TEST_F(TestTableIterator, next)
+{
+  int ret = OB_SUCCESS;
+
+  MockSchemaService schema_service;
+  schema_service.init();
+  ObSchemaGetterGuard schema_guard;
+  ret = schema_service.get_schema_guard(schema_guard);
+  ASSERT_EQ(OB_SUCCESS, ret);
+  ObTenantSchema tenant_schema;
+  GEN_TENANT_SCHEMA(tenant_schema, 1, "sys", 0);
+  tenant_schema.set_locality("");
+  tenant_schema.add_zone("zone");
+  schema_service.add_tenant_schema(tenant_schema, tenant_schema.get_schema_version());
+  ObSysVariableSchema sys_variable;
+  sys_variable.set_tenant_id(tenant_schema.get_tenant_id());
+  sys_variable.set_schema_version(tenant_schema.get_schema_version());
+  sys_variable.set_name_case_mode(OB_LOWERCASE_AND_INSENSITIVE);
+  ASSERT_EQ(OB_SUCCESS, schema_service.add_sys_variable_schema(sys_variable, sys_variable.get_schema_version()));
+
+  char table_name[20];
+  for (int i = 0; i < 1025; ++i) {
+    ObTableSchema table_schema;
+    snprintf(table_name, 20, "table_%d", i + 1);
+    GEN_TABLE_SCHEMA(table_schema, 1, combine_id(1, 1), combine_id(1, i + 1), table_name, USER_TABLE, 0);
+    schema_service.add_table_schema(table_schema, table_schema.get_schema_version());
+  }
+
+  ObTableIterator table_iter;
+  ret = table_iter.init(&schema_guard);
+  ASSERT_EQ(OB_SUCCESS, ret);
+  uint64_t table_id = OB_INVALID_ID;
+  while (ret != OB_ITER_END) {
+    ret = table_iter.next(table_id);
+    ASSERT_TRUE(OB_SUCCESS == ret || OB_ITER_END == ret);
+  }
+  // to_string
+  LOG_INFO("test ob_table_iter to_string", K(table_iter));
+}
+
+}  // namespace schema
+}  // namespace share
+}  // namespace oceanbase
+
+int main(int argc, char** argv)
+{
+  oceanbase::common::ObLogger::get_logger().set_log_level("INFO");
+  OB_LOGGER.set_file_name("test_table_iter.log", true);
+  ::testing::InitGoogleTest(&argc, argv);
+  return RUN_ALL_TESTS();
+}