Testing class for QR code to SVG

qrcode_to_svg_testing.java

public File generate() throws IOException, WriterException {
  BitMatrix bitMatrix = createBitMatrix("https://medium.com/@thieunguyenhung", 100);
  File outputFileSVG = File.createTempFile("example", "qr.svg");
  bitMatrixToSVG(bitMatrix, outputFileSVG);
  return outputFileSVG;
}

// .....

public class TestQrCodeGenerator {
  @Test
  public void should_return_non_null_file() throws IOException, WriterException {
    QrCodeGenerator qrCodeGenerator = new QrCodeGenerator();
    File qrFile = qrCodeGenerator.generate();
    assertNotNull(qrFile);
    System.out.println(qrFile.getAbsolutePath()); // Print to console the path to the SVG file
  }
}