// Licensed to the Apache Software Foundation (ASF) under one
// or more contributor license agreements.  See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership.  The ASF licenses this file
// to you under the Apache License, Version 2.0 (the
// "License"); you may not use this file except in compliance
// with the License.  You may obtain a copy of the License at
//
//   http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing,
// software distributed under the License is distributed on an
// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
// KIND, either express or implied.  See the License for the
// specific language governing permissions and limitations
// under the License.

#include "kudu/ranger/mini_ranger.h"

#include <memory>
#include <string>
#include <utility>
#include <vector>

#include <gtest/gtest.h>

#include "kudu/postgres/mini_postgres.h"
#include "kudu/ranger/ranger.pb.h"
#include "kudu/util/curl_util.h"
#include "kudu/util/faststring.h"
#include "kudu/util/path_util.h"
#include "kudu/util/test_macros.h"
#include "kudu/util/test_util.h"

using kudu::postgres::MiniPostgres;

using std::string;

namespace kudu {
namespace ranger {

class MiniRangerTest : public KuduTest {
 public:
  MiniRangerTest() :
    ranger_("127.0.0.1", std::make_shared<MiniPostgres>("127.0.0.1")) {}
  void SetUp() override {
    ASSERT_OK(ranger_.Start());
  }

 protected:
  MiniRanger ranger_;
};

TEST_F(MiniRangerTest, TestGrantPrivilege) {
  PolicyItem item({ "testuser" }, { ActionPB::ALTER }, false);

  AuthorizationPolicy policy;
  policy.databases.emplace_back("foo");
  policy.tables.emplace_back("bar");
  policy.items.emplace_back(std::move(item));

  ASSERT_OK(ranger_.AddPolicy(std::move(policy)));
}

TEST_F(MiniRangerTest, TestPersistence) {
  PolicyItem item({ "testuser" }, { ActionPB::ALTER }, false);

  AuthorizationPolicy policy;
  policy.databases.emplace_back("foo");
  policy.tables.emplace_back("bar");
  policy.items.emplace_back(std::move(item));

  ASSERT_OK(ranger_.AddPolicy(policy));

  ASSERT_OK(ranger_.Stop());
  ASSERT_OK(ranger_.Start());

  EasyCurl curl;
  curl.set_auth(CurlAuthType::BASIC, "admin", "admin");
  faststring result;
  ASSERT_OK(curl.FetchURL(JoinPathSegments(ranger_.admin_url(), "service/plugins/policies/count"),
                          &result));
  ASSERT_EQ("1", result.ToString());
}

} // namespace ranger
} // namespace kudu