import org.junit.Ignore; import org.junit.Test; import org.junit.experimental.runners.Enclosed; import org.junit.runner.RunWith; import org.junit.runners.Parameterized; import org.junit.runners.Parameterized.Parameters; import java.util.Arrays; import java.util.Collection; import static org.junit.Assert.assertEquals; @RunWith(Enclosed.class) public class AtbashTest { @RunWith(Parameterized.class) public static class EncodeTest { private String plaintext; private String ciphertext; @Parameters(name = "{index}: expected plaintext \"{0}\" to encode to ciphertext \"{1}\".") public static Collection data() { return Arrays.asList(new Object[][]{ {"no", "ml"}, {"yes", "bvh"}, {"OMG", "lnt"}, {"mindblowingly", "nrmwy oldrm tob"}, {"Testing, 1 2 3, testing.", "gvhgr mt123 gvhgr mt"}, {"Truth is fiction.", "gifgs rhurx grlm"}, {"The quick brown fox jumps over the lazy dog.", "gsvjf rxpyi ldmul cqfnk hlevi gsvoz abwlt"} }); } public EncodeTest(String plaintext, String ciphertext) { this.plaintext = plaintext; this.ciphertext = ciphertext; } @Test public void test() { assertEquals(ciphertext, new Atbash().encode(plaintext)); } } @RunWith(Parameterized.class) public static class DecodeTest { private String ciphertext; private String plaintext; @Parameters(name = "{index}: expected ciphertext \"{0}\" to decode to plaintext \"{1}\".") public static Collection data() { return Arrays.asList(new Object[][]{ {"vcvix rhn", "exercism"}, {"zmlyh gzxov rhlug vmzhg vkkrm thglm v", "anobstacleisoftenasteppingstone"}, {"gvhgr mt123 gvhgr mt", "testing123testing"}, {"gsvjf rxpyi ldmul cqfnk hlevi gsvoz abwlt", "thequickbrownfoxjumpsoverthelazydog"} }); } public DecodeTest(String ciphertext, String plaintext) { this.ciphertext = ciphertext; this.plaintext = plaintext; } @Ignore("Remove to run tests") @Test public void test() { assertEquals(plaintext, new Atbash().decode(ciphertext)); } } }