/*
 * SonarQube
 * Copyright (C) 2009-2023 SonarSource SA
 * mailto:info AT sonarsource DOT com
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 3 of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this program; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 */
package org.sonar.process.systeminfo;

import java.lang.management.MemoryMXBean;
import org.junit.Test;
import org.mockito.Mockito;
import org.sonar.process.systeminfo.protobuf.ProtobufSystemInfo;

import static org.assertj.core.api.Assertions.assertThat;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.when;

public class JvmStateSectionTest {

  private static final String PROCESS_NAME = "the process name";

  @Test
  public void toSystemInfoSection() {
    JvmStateSection underTest = new JvmStateSection(PROCESS_NAME);
    ProtobufSystemInfo.Section section = underTest.toProtobuf();

    assertThat(section.getName()).isEqualTo(PROCESS_NAME);
    assertThat(section.getAttributesCount()).isPositive();
    assertThat(section.getAttributesList()).extracting("key")
      .contains(
        "Max Memory (MB)", "Free Memory (MB)",
        "Heap Max (MB)",
        "System Load Average", "Threads");
  }

  @Test
  public void should_hide_attributes_without_values() {
    MemoryMXBean memoryBean = mock(MemoryMXBean.class, Mockito.RETURNS_DEEP_STUBS);
    when(memoryBean.getHeapMemoryUsage().getCommitted()).thenReturn(-1L);

    JvmStateSection underTest = new JvmStateSection(PROCESS_NAME);
    ProtobufSystemInfo.Section section = underTest.toProtobuf(memoryBean);

    assertThat(section.getAttributesList())
      .extracting("key")
      .isNotEmpty()
      .doesNotContain("Heap Committed (MB)");
  }
}
