sonar-scanner-cli/sonar-runner-dist/src/test/java/org/sonar/runner/StatsTest.java

/*
 * SonarQube Runner - Distribution
 * Copyright (C) 2011 SonarSource
 * dev@sonar.codehaus.org
 *
 * 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  02
 */
package org.sonar.runner;

import java.io.ByteArrayOutputStream;
import java.io.PrintStream;
import java.io.UnsupportedEncodingException;

import org.junit.Test;
import static org.fest.assertions.Assertions.assertThat;


public class StatsTest {

  @Test
  public void shouldPrintStats() throws UnsupportedEncodingException {
    ByteArrayOutputStream output = new ByteArrayOutputStream();
    System.setOut(new PrintStream(output));
    new Stats().start().stop();

    String out = output.toString("UTF-8");
    String[] lines = out.split("\n");
    
    assertThat(lines).hasSize(2);
    
    assertThat(lines[0]).startsWith("Total time: ");
    assertThat(lines[1]).startsWith("Final Memory: ");
  }

  @Test
  public void shouldFormatTime() {
    assertThat(Stats.formatTime(1 * 60 * 60 * 1000 + 2 * 60 * 1000 + 3 * 1000 + 400)).isEqualTo("1:02:03.400s");
    assertThat(Stats.formatTime(2 * 60 * 1000 + 3 * 1000 + 400)).isEqualTo("2:03.400s");
    assertThat(Stats.formatTime(3 * 1000 + 400)).isEqualTo("3.400s");
    assertThat(Stats.formatTime(400)).isEqualTo("0.400s");
  }
}