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Enhance docs, add more tests in Vigenere (#5899)

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This commit is contained in:
Hardik Pawar
2024-10-27 00:20:31 +05:30
committed by GitHub
parent e6f70634a4
commit 8b604858f5
2 changed files with 118 additions and 19 deletions
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70
src/test/java/com/thealgorithms/ciphers/VigenereTest.java
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@ -1,6 +1,7 @@
package com.thealgorithms.ciphers;
import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertThrows;
import org.junit.jupiter.api.Test;
@ -9,28 +10,71 @@ class VigenereTest {
Vigenere vigenere = new Vigenere();
@Test
void vigenereEncryptTest() {
// given
void testVigenereEncryptDecrypt() {
String text = "Hello World!";
String key = "suchsecret";
// when
String cipherText = vigenere.encrypt(text, key);
String encryptedText = vigenere.encrypt(text, key);
String decryptedText = vigenere.decrypt(encryptedText, key);
// then
assertEquals("Zynsg Yfvev!", cipherText);
assertEquals("Zynsg Aqipw!", encryptedText);
assertEquals("Hello World!", decryptedText);
}
@Test
void vigenereDecryptTest() {
// given
String encryptedText = "Zynsg Yfvev!";
String key = "suchsecret";
void testWithEmptyMessage() {
String text = "";
String key = "anykey";
// when
String encryptedText = vigenere.encrypt(text, key);
String decryptedText = vigenere.decrypt(encryptedText, key);
// then
assertEquals("Hello World!", decryptedText);
assertEquals("", encryptedText);
assertEquals("", decryptedText);
}
@Test
void testWithEmptyKey() {
String text = "This should remain the same";
String key = "";
assertThrows(IllegalArgumentException.class, () -> vigenere.encrypt(text, key));
assertThrows(IllegalArgumentException.class, () -> vigenere.decrypt(text, key));
}
@Test
void testWithNumbersInMessage() {
String text = "Vigenere123!";
String key = "cipher";
String encryptedText = vigenere.encrypt(text, key);
String decryptedText = vigenere.decrypt(encryptedText, key);
assertEquals("Xqvlrvtm123!", encryptedText);
assertEquals(text, decryptedText);
}
@Test
void testLongerKeyThanMessage() {
String text = "Short";
String key = "VeryLongSecretKey";
String encryptedText = vigenere.encrypt(text, key);
String decryptedText = vigenere.decrypt(encryptedText, key);
assertEquals("Nlfpe", encryptedText);
assertEquals(text, decryptedText);
}
@Test
void testUppercaseMessageAndKey() {
String text = "HELLO";
String key = "SECRET";
String encryptedText = vigenere.encrypt(text, key);
String decryptedText = vigenere.decrypt(encryptedText, key);
assertEquals("ZINCS", encryptedText);
assertEquals(text, decryptedText);
}
}