/*
 * 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.
 */
package org.apache.geode.internal.serialization.filter;

import static org.assertj.core.api.Assertions.assertThat;

import java.util.Map;

import org.junit.Rule;
import org.junit.Test;
import org.junit.contrib.java.lang.system.RestoreSystemProperties;

public class SystemPropertyJmxSerialFilterConfigurationFactoryTest {

  private static final String PROPERTY_NAME = "jmx.remote.rmi.server.serial.filter.pattern";
  private static final String PATTERN = "*";

  @Rule
  public RestoreSystemProperties restoreSystemProperties = new RestoreSystemProperties();

  @Test
  public void jmxSerialFilterProperty_isBlankByDefault() {
    assertThat(System.getProperty(PROPERTY_NAME)).isBlank();
  }

  @Test
  public void returnsNewJmxSerialFilterConfiguration_whenFilteringIsEnabled() {
    JmxSerialFilterConfigurationFactory factory =
        new SystemPropertyJmxSerialFilterConfigurationFactory(true, PATTERN);

    FilterConfiguration filterConfiguration = factory.create();

    assertThat(filterConfiguration).isInstanceOf(JmxSerialFilterConfiguration.class);
  }

  @Test
  public void returnsEnabledConfiguration_whenFilteringIsEnabled()
      throws UnableToSetSerialFilterException {
    JmxSerialFilterConfigurationFactory factory =
        new SystemPropertyJmxSerialFilterConfigurationFactory(true, PATTERN);

    FilterConfiguration filterConfiguration = factory.create();

    assertThat(filterConfiguration.configure()).isTrue();
  }

  @Test
  public void returnsDisabledConfiguration_whenFilteringIsDisabled()
      throws UnableToSetSerialFilterException {
    JmxSerialFilterConfigurationFactory factory =
        new SystemPropertyJmxSerialFilterConfigurationFactory(false, PATTERN);

    FilterConfiguration filterConfiguration = factory.create();

    assertThat(filterConfiguration.configure()).isFalse();
  }

  @Test
  public void enabledConfiguration_setsJmxSerialFilterProperty()
      throws UnableToSetSerialFilterException {
    JmxSerialFilterConfigurationFactory factory =
        new SystemPropertyJmxSerialFilterConfigurationFactory(true, PATTERN);
    FilterConfiguration filterConfiguration = factory.create();

    filterConfiguration.configure();

    assertThat(System.getProperty(PROPERTY_NAME)).isEqualTo(PATTERN);
  }

  @Test
  public void disabledConfiguration_doesNotSetAnySystemProperties()
      throws UnableToSetSerialFilterException {
    Map<?, ?> propertiesBefore = System.getProperties();
    JmxSerialFilterConfigurationFactory factory =
        new SystemPropertyJmxSerialFilterConfigurationFactory(true, PATTERN);
    FilterConfiguration filterConfiguration = factory.create();

    filterConfiguration.configure();

    assertThat(System.getProperties()).containsExactlyEntriesOf(propertiesBefore);
  }
}
