TestUtil.java

package com.github.mustachejava;

import java.io.*;

public class TestUtil {

  public static String getContents(File root, String file) throws IOException {
    BufferedReader br = new BufferedReader(
            new InputStreamReader(new FileInputStream(new File(root, file)), "UTF-8"));
    StringWriter capture = new StringWriter();
    char[] buffer = new char[8192];
    int read;
    while ((read = br.read(buffer)) != -1) {
      capture.write(buffer, 0, read);
    }
    return capture.toString();
  }

}