package jalview.io;

import static org.testng.Assert.assertEquals;

import jalview.datamodel.Alignment;
import jalview.datamodel.AlignmentI;
import jalview.datamodel.Sequence;
import jalview.datamodel.SequenceI;

import org.testng.annotations.Test;

public class AlignmentPropertiesTest
{
  @Test(groups="Functional")
  public void testWriteProperties_asHtml()
  {
    SequenceI seq1 = new Sequence("Seq1", "--ABC-DEFGH-"); // 8 residues
    SequenceI seq2 = new Sequence("Seq2", "---BC-DE-KH-"); // 6
    SequenceI seq3 = new Sequence("Seq3", "-RABCFDE-KH-"); // 9
    AlignmentI al = new Alignment(new SequenceI[] { seq1, seq2, seq3 });

    AlignmentProperties ap = new AlignmentProperties(al);
    StringBuilder sb = ap.writeProperties(true);
    String expected = "<table border=\"1\">"
            + "<tr><td>Sequences</td><td>3</td></tr>"
            + "<tr><td>Alignment width</td><td>12</td></tr>"
            + "<tr><td>Minimum Sequence Length</td><td>6</td></tr>"
            + "<tr><td>Maximum Sequence Length</td><td>9</td></tr>"
            + "<tr><td>Average Length</td><td>7</td></tr>"
            + "<tr><td>Minimum (sequence length / width)</td><td>50.0%</td></tr>" // 6/12
            + "<tr><td>Maximum (sequence length / width)</td><td>75.0%</td></tr>" // 9/12
            + "<tr><td>Residue density</td><td>63.9%</td></tr>" // 23/36
            + "<tr><td>Gap density</td><td>36.1%</td></tr>" + "</table>";
    assertEquals(sb.toString(), expected);
  }
}