maven-plugin-plugin/src/it/plugin-report/verify.bsh

import java.io.*;
import java.util.*;
import java.util.regex.*;

try
{
    File siteDir = new File( basedir, "target/site" );
    System.out.println( "Checking for existence of site directory: " + siteDir );
    if ( !siteDir.isDirectory() )
    {
        System.out.println( "FAILED!" );
        return false;
    }

    String[] expectedFiles = {
        "noop-mojo.html",
        "noop-mojo.html",
        "report-mojo.html",
    };
    for ( String path : expectedFiles )
    {
        File file = new File( siteDir, path );
        System.out.println( "Checking for existence of doc file: " + file );
        if ( !file.isFile() || file.length() <= 0 )
        {
            System.out.println( "FAILED!" );
            return false;
        }
    }
}
catch( Throwable t )
{
    t.printStackTrace();
    return false;
}

return true;