/*
 * Copyright 2016 Google LLC
 *
 * Licensed 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.
 */

package com.google.cloud.resourcemanager;

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNull;
import static org.junit.Assert.assertTrue;

import com.google.cloud.Identity;
import com.google.cloud.Policy;
import com.google.cloud.Role;

import org.junit.Test;

public class PolicyMarshallerTest {

  private static final Identity ALL_USERS = Identity.allUsers();
  private static final Identity ALL_AUTH_USERS = Identity.allAuthenticatedUsers();
  private static final Identity USER = Identity.user("abc@gmail.com");
  private static final Identity SERVICE_ACCOUNT =
      Identity.serviceAccount("service-account@gmail.com");
  private static final Identity GROUP = Identity.group("group@gmail.com");
  private static final Identity DOMAIN = Identity.domain("google.com");
  private static final Role VIEWER = Role.viewer();
  private static final Role EDITOR = Role.editor();
  private static final Role OWNER = Role.owner();
  private static final Role SOME_ROLE = Role.of("roles/some-role");
  private static final Policy SIMPLE_POLICY = Policy.newBuilder()
      .addIdentity(OWNER, USER)
      .addIdentity(VIEWER, ALL_USERS)
      .addIdentity(EDITOR, ALL_AUTH_USERS, DOMAIN)
      .addIdentity(SOME_ROLE, SERVICE_ACCOUNT, GROUP)
      .build();
  private static final Policy FULL_POLICY = PolicyMarshaller.INSTANCE.fromPb(
      PolicyMarshaller.INSTANCE.toPb(SIMPLE_POLICY).setEtag("etag").setVersion(1));


  @Test
  public void testToAndFromPb() {
    assertEquals(FULL_POLICY,
        PolicyMarshaller.INSTANCE.fromPb(PolicyMarshaller.INSTANCE.toPb(FULL_POLICY)));
    assertEquals(SIMPLE_POLICY,
        PolicyMarshaller.INSTANCE.fromPb(PolicyMarshaller.INSTANCE.toPb(SIMPLE_POLICY)));
    com.google.api.services.cloudresourcemanager.model.Policy policyPb =
        new com.google.api.services.cloudresourcemanager.model.Policy();
    Policy policy = PolicyMarshaller.INSTANCE.fromPb(policyPb);
    assertTrue(policy.getBindings().isEmpty());
    assertNull(policy.getEtag());
    assertEquals(0, policy.getVersion());
  }
}
