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Versions: 232
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Contents
import org.junit.Before;
import org.junit.Ignore;
import org.junit.Test;
import static org.junit.Assert.assertEquals;
/**
* Step 1: Make a simple shift cipher
*/
public class SimpleCipherStepOneTest {
private Cipher cipherWithDefaultKey;
@Before
public void setup() {
cipherWithDefaultKey = new Cipher();
}
/**
* Here we take advantage of the fact that plaintext of "aaa..." doesn't output the key. This is a critical problem
* with shift ciphers, some characters will always output the key verbatim.
*/
@Test
public void cipherCanEncode() {
String cipherText = cipherWithDefaultKey.getKey().substring(0, 10);
assertEquals(cipherText, cipherWithDefaultKey.encode("aaaaaaaaaa"));
}
@Ignore("Remove to run test")
@Test
public void cipherCanDecode() {
String cipherText = "aaaaaaaaaa";
assertEquals(cipherText, cipherWithDefaultKey.decode(cipherWithDefaultKey.getKey().substring(0, 10)));
}
@Ignore("Remove to run test")
@Test
public void cipherIsReversible() {
String plainText = "abcdefghij";
assertEquals(plainText, cipherWithDefaultKey.decode(cipherWithDefaultKey.encode(plainText)));
}
}
Version data entries
232 entries across 232 versions & 1 rubygems