import static org.hamcrest.CoreMatchers.*;
import static org.junit.Assert.*;
import org.junit.Test;
import org.junit.Ignore;
import org.junit.Rule;
import org.junit.rules.ExpectedException;
public class HammingTest {
@Rule
public ExpectedException thrown = ExpectedException.none();
@Test
public void testNoDifferenceBetweenIdenticalStrands() {
assertThat(new Hamming("A", "A").getHammingDistance(), is(0));
}
@Ignore("Remove to run test")
@Test
public void testHammingDistanceForSingleNucleotideStrand() {
assertThat(new Hamming("A", "G").getHammingDistance(), is(1));
}
@Ignore("Remove to run test")
@Test
public void testHammingDistanceForSmallStrand() {
assertThat(new Hamming("AG", "CT").getHammingDistance(), is(2));
}
@Ignore("Remove to run test")
@Test
public void testSmallHammingDistance() {
assertThat(new Hamming("AT", "CT").getHammingDistance(), is(1));
}
@Ignore("Remove to run test")
@Test
public void testSmallHammingDistanceInLongerStrand() {
assertThat(new Hamming("GGACG", "GGTCG").getHammingDistance(), is(1));
}
@Ignore("Remove to run test")
@Test
public void testValidatesFirstStrandNotLonger() {
thrown.expect(IllegalArgumentException.class);
new Hamming("AAAG", "AAA");
}
@Ignore("Remove to run test")
@Test
public void testValidatesOtherStrandNotLonger() {
thrown.expect(IllegalArgumentException.class);
new Hamming("AAA", "AAAG");
}
@Ignore("Remove to run test")
@Test
public void testLargeHammingDistance() {
assertThat(new Hamming("GATACA", "GCATAA").getHammingDistance(), is(4));
}
@Ignore("Remove to run test")
@Test
public void testHammingDistanceInVeryLongStrand() {
assertThat(new Hamming("GGACGGATTCTG", "AGGACGGATTCT").getHammingDistance(), is(9));
}
}