Created autokey cipher

src/test/java/mattrixwv/CipherStreamJava/TestAutokey.java

@@ -0,0 +1,523 @@
+//CipherStreamJava/src/main/java/mattrixwv/CipherStreamJava/TestAutokey.java
+//Matthew Ellison
+// Created: 07-26-21
+//Modified: 12-30-21
+//These are the tests for the Vigenere class
+package mattrixwv.CipherStreamJava;
+
+
+import static org.junit.Assert.assertEquals;
+
+import org.junit.Test;
+
+
+public class TestAutokey{
+	@Test
+	public void testDecode() throws Exception{
+		Autokey cipher = new Autokey(true, true, true);
+
+		//Test lowercase decoding
+		String input = "qnxepv";
+		String keyword = "queenly";
+		String correctOutput = "attack";
+		String output = cipher.decode(keyword, input);
+		assertEquals("Autokey failed lowercase decoding.", correctOutput, output);
+		//Test uppercase decoding
+		input = "QNXEPV";
+		keyword = "queenly";
+		correctOutput = "ATTACK";
+		output = cipher.decode(keyword, input);
+		assertEquals("Autokey failed uppercase decoding.", correctOutput, output);
+
+
+		//Test whitespace decoding
+		input = "qnxepv yt wtwp";
+		keyword = "queenly";
+		correctOutput = "attack at dawn";
+		output = cipher.decode(keyword, input);
+		assertEquals("Autokey failed whitespace decoding.", correctOutput, output);
+
+
+		//Test symbol decoding
+		input = "qnxepv@yt-wtwp";
+		keyword = "queenly";
+		correctOutput = "attack@at-dawn";
+		output = cipher.decode(keyword, input);
+		assertEquals("Autokey failed symbol decoding.", correctOutput, output);
+
+
+		//Test mixed case, whitespace, symbol decoding
+		input = "Qnxepv yt - wtwp";
+		keyword = "QUEENLY";
+		correctOutput = "Attack at - dawn";
+		output = cipher.decode(keyword, input);
+		assertEquals("Autokey failed mixed case, whitespace, symbol decoding.", correctOutput, output);
+		//Test mixed case, whitespace, symbol decoding with mangled keyword
+		input = "Wmpm mx \"Xae Yhbryoca\"";
+		keyword = "k@i l-t";
+		correctOutput = "Meet at \"The Fountain\"";
+		output = cipher.decode(keyword, input);
+		assertEquals("Autokey failed mixed case, whitespace, symbol decoding with mangled keyword.", correctOutput, output);
+	}
+	@Test
+	public void testNoWhitespaceDecode() throws Exception{
+		Autokey cipher = new Autokey(true, false, true);
+
+		//Test lowercase decoding
+		String input = "qnxepv";
+		String keyword = "queenly";
+		String correctOutput = "attack";
+		String output = cipher.decode(keyword, input);
+		assertEquals("Autokey failed no whitespace lowercase decoding.", correctOutput, output);
+		//Test uppercase decoding
+		input = "QNXEPV";
+		keyword = "queenly";
+		correctOutput = "ATTACK";
+		output = cipher.decode(keyword, input);
+		assertEquals("Autokey failed no whitespace uppercase decoding.", correctOutput, output);
+
+
+		//Test whitespace decoding
+		input = "qnxepv yt wtwp";
+		keyword = "queenly";
+		correctOutput = "attackatdawn";
+		output = cipher.decode(keyword, input);
+		assertEquals("Autokey failed no whitespace whitespace decoding.", correctOutput, output);
+
+
+		//Test symbol decoding
+		input = "qnxepv@yt-wtwp";
+		keyword = "queenly";
+		correctOutput = "attack@at-dawn";
+		output = cipher.decode(keyword, input);
+		assertEquals("Autokey failed no whitespace symbol decoding.", correctOutput, output);
+
+
+		//Test mixed case, whitespace, symbol decoding
+		input = "Qnxepv yt - wtwp";
+		keyword = "QUEENLY";
+		correctOutput = "Attackat-dawn";
+		output = cipher.decode(keyword, input);
+		assertEquals("Autokey failed no whitespace mixed case, whitespace, symbol decoding.", correctOutput, output);
+		//Test mixed case, whitespace, symbol decoding with mangled keyword
+		input = "Wmpm mx \"Xae Yhbryoca\"";
+		keyword = "k@i l-t";
+		correctOutput = "Meetat\"TheFountain\"";
+		output = cipher.decode(keyword, input);
+		assertEquals("Autokey failed no whitespace mixed case, whitespace, symbol decoding with mangled keyword.", correctOutput, output);
+	}
+	@Test
+	public void testNoCapitalDecode() throws Exception{
+		Autokey cipher = new Autokey(false, true, true);
+
+		//Test lowercase decoding
+		String input = "qnxepv";
+		String keyword = "queenly";
+		String correctOutput = "attack";
+		String output = cipher.decode(keyword, input);
+		assertEquals("Autokey failed no capital lowercase decoding.", correctOutput, output);
+		//Test uppercase decoding
+		input = "QNXEPV";
+		keyword = "queenly";
+		correctOutput = "attack";
+		output = cipher.decode(keyword, input);
+		assertEquals("Autokey failed no capital uppercase decoding.", correctOutput, output);
+
+
+		//Test whitespace decoding
+		input = "qnxepv yt wtwp";
+		keyword = "queenly";
+		correctOutput = "attack at dawn";
+		output = cipher.decode(keyword, input);
+		assertEquals("Autokey failed no capital whitespace decoding.", correctOutput, output);
+
+
+		//Test symbol decoding
+		input = "qnxepv@yt-wtwp";
+		keyword = "queenly";
+		correctOutput = "attack@at-dawn";
+		output = cipher.decode(keyword, input);
+		assertEquals("Autokey failed no capital symbol decoding.", correctOutput, output);
+
+
+		//Test mixed case, whitespace, symbol decoding
+		input = "Qnxepv yt - wtwp";
+		keyword = "QUEENLY";
+		correctOutput = "attack at - dawn";
+		output = cipher.decode(keyword, input);
+		assertEquals("Autokey failed no capital mixed case, whitespace, symbol decoding.", correctOutput, output);
+		//Test mixed case, whitespace, symbol decoding with mangled keyword
+		input = "Wmpm mx \"Xae Yhbryoca\"";
+		keyword = "k@i l-t";
+		correctOutput = "meet at \"the fountain\"";
+		output = cipher.decode(keyword, input);
+		assertEquals("Autokey failed no capital mixed case, whitespace, symbol decoding with mangled keyword.", correctOutput, output);
+	}
+	@Test
+	public void testNoSymbolDecode() throws Exception{
+		Autokey cipher = new Autokey(true, true, false);
+
+		//Test lowercase decoding
+		String input = "qnxepv";
+		String keyword = "queenly";
+		String correctOutput = "attack";
+		String output = cipher.decode(keyword, input);
+		assertEquals("Autokey failed no symbol lowercase decoding.", correctOutput, output);
+		//Test uppercase decoding
+		input = "QNXEPV";
+		keyword = "queenly";
+		correctOutput = "ATTACK";
+		output = cipher.decode(keyword, input);
+		assertEquals("Autokey failed no symbol uppercase decoding.", correctOutput, output);
+
+
+		//Test whitespace decoding
+		input = "qnxepv yt wtwp";
+		keyword = "queenly";
+		correctOutput = "attack at dawn";
+		output = cipher.decode(keyword, input);
+		assertEquals("Autokey failed no symbol whitespace decoding.", correctOutput, output);
+
+
+		//Test symbol decoding
+		input = "qnxepv@yt-wtwp";
+		keyword = "queenly";
+		correctOutput = "attackatdawn";
+		output = cipher.decode(keyword, input);
+		assertEquals("Autokey failed no symbol symbol decoding.", correctOutput, output);
+
+
+		//Test mixed case, whitespace, symbol decoding
+		input = "Qnxepv yt - wtwp";
+		keyword = "QUEENLY";
+		correctOutput = "Attack at  dawn";
+		output = cipher.decode(keyword, input);
+		assertEquals("Autokey failed no symbol mixed case, whitespace, symbol decoding.", correctOutput, output);
+		//Test mixed case, whitespace, symbol decoding with mangled keyword
+		input = "Wmpm mx \"Xae Yhbryoca\"";
+		keyword = "k@i l-t";
+		correctOutput = "Meet at The Fountain";
+		output = cipher.decode(keyword, input);
+		assertEquals("Autokey failed no symbol mixed case, whitespace, symbol decoding with mangled keyword.", correctOutput, output);
+	}
+	@Test
+	public void testNoCapitalWhitespaceSymbolDecode() throws Exception{
+		Autokey cipher = new Autokey(false, false, false);
+
+		//Test lowercase decoding
+		String input = "qnxepv";
+		String keyword = "queenly";
+		String correctOutput = "attack";
+		String output = cipher.decode(keyword, input);
+		assertEquals("Autokey failed secure lowercase decoding.", correctOutput, output);
+		//Test uppercase decoding
+		input = "QNXEPV";
+		keyword = "queenly";
+		correctOutput = "attack";
+		output = cipher.decode(keyword, input);
+		assertEquals("Autokey failed secure uppercase decoding.", correctOutput, output);
+
+
+		//Test whitespace decoding
+		input = "qnxepv yt wtwp";
+		keyword = "queenly";
+		correctOutput = "attackatdawn";
+		output = cipher.decode(keyword, input);
+		assertEquals("Autokey failed secure whitespace decoding.", correctOutput, output);
+
+
+		//Test symbol decoding
+		input = "qnxepv@yt-wtwp";
+		keyword = "queenly";
+		correctOutput = "attackatdawn";
+		output = cipher.decode(keyword, input);
+		assertEquals("Autokey failed secure symbol decoding.", correctOutput, output);
+
+
+		//Test mixed case, whitespace, symbol decoding
+		input = "Qnxepv yt - wtwp";
+		keyword = "QUEENLY";
+		correctOutput = "attackatdawn";
+		output = cipher.decode(keyword, input);
+		assertEquals("Autokey failed secure mixed case, whitespace, symbol decoding.", correctOutput, output);
+		//Test mixed case, whitespace, symbol decoding with mangled keyword
+		input = "Wmpm mx \"Xae Yhbryoca\"";
+		keyword = "k@i l-t";
+		correctOutput = "meetatthefountain";
+		output = cipher.decode(keyword, input);
+		assertEquals("Autokey failed secure mixed case, whitespace, symbol decoding with mangled keyword.", correctOutput, output);
+	}
+
+
+	@Test
+	public void testEncode() throws Exception{
+		Autokey cipher = new Autokey(true, true, true);
+
+		//Test lowercase decoding
+		String input = "attack";
+		String keyword = "queenly";
+		String correctOutput = "qnxepv";
+		String output = cipher.encode(keyword, input);
+		assertEquals("Autokey failed lowercase decoding.", correctOutput, output);
+		//Test uppercase decoding
+		input = "ATTACK";
+		keyword = "queenly";
+		correctOutput = "QNXEPV";
+		output = cipher.encode(keyword, input);
+		assertEquals("Autokey failed uppercase decoding.", correctOutput, output);
+
+
+		//Test whitespace decoding
+		input = "attack at dawn";
+		keyword = "queenly";
+		correctOutput = "qnxepv yt wtwp";
+		output = cipher.encode(keyword, input);
+		assertEquals("Autokey failed whitespace decoding.", correctOutput, output);
+
+
+		//Test symbol decoding
+		input = "attack@at-dawn";
+		keyword = "queenly";
+		correctOutput = "qnxepv@yt-wtwp";
+		output = cipher.encode(keyword, input);
+		assertEquals("Autokey failed symbol decoding.", correctOutput, output);
+
+
+		//Test mixed case, whitespace, symbol encoding
+		input = "Attack at - dawn";
+		keyword = "QUEENLY";
+		correctOutput = "Qnxepv yt - wtwp";
+		output = cipher.encode(keyword, input);
+		assertEquals("Autokey failed mixed case, whitespace, symbol decoding.", correctOutput, output);
+		//Test mixed case, whitespace, symbol decoding with mangled keyword
+		input = "Meet at \"The Fountain\"";
+		keyword = "k@i l-t";
+		correctOutput = "Wmpm mx \"Xae Yhbryoca\"";
+		output = cipher.encode(keyword, input);
+		assertEquals("Autokey failed mixed case, whitespace, symbol decoding with mangled keyword.", correctOutput, output);
+	}
+	@Test
+	public void testNoWhitespaceEncode() throws Exception{
+		Autokey cipher = new Autokey(true, false, true);
+
+		//Test lowercase decoding
+		String input = "attack";
+		String keyword = "queenly";
+		String correctOutput = "qnxepv";
+		String output = cipher.encode(keyword, input);
+		assertEquals("Autokey failed no whitespace lowercase decoding.", correctOutput, output);
+		//Test uppercase decoding
+		input = "ATTACK";
+		keyword = "queenly";
+		correctOutput = "QNXEPV";
+		output = cipher.encode(keyword, input);
+		assertEquals("Autokey failed no whitespace uppercase decoding.", correctOutput, output);
+
+
+		//Test whitespace decoding
+		input = "attack at dawn";
+		keyword = "queenly";
+		correctOutput = "qnxepvytwtwp";
+		output = cipher.encode(keyword, input);
+		assertEquals("Autokey failed no whitespace whitespace decoding.", correctOutput, output);
+
+
+		//Test symbol decoding
+		input = "attack@at-dawn";
+		keyword = "queenly";
+		correctOutput = "qnxepv@yt-wtwp";
+		output = cipher.encode(keyword, input);
+		assertEquals("Autokey failed no whitespace symbol decoding.", correctOutput, output);
+
+
+		//Test mixed case, whitespace, symbol encoding
+		input = "Attack at - dawn";
+		keyword = "QUEENLY";
+		correctOutput = "Qnxepvyt-wtwp";
+		output = cipher.encode(keyword, input);
+		assertEquals("Autokey failed no whitespace mixed case, whitespace, symbol decoding.", correctOutput, output);
+		//Test mixed case, whitespace, symbol decoding with mangled keyword
+		input = "Meet at \"The Fountain\"";
+		keyword = "k@i l-t";
+		correctOutput = "Wmpmmx\"XaeYhbryoca\"";
+		output = cipher.encode(keyword, input);
+		assertEquals("Autokey failed no whitespace mixed case, whitespace, symbol decoding with mangled keyword.", correctOutput, output);
+	}
+	@Test
+	public void testNoCapitalEncode() throws Exception{
+		Autokey cipher = new Autokey(false, true, true);
+
+		//Test lowercase decoding
+		String input = "attack";
+		String keyword = "queenly";
+		String correctOutput = "qnxepv";
+		String output = cipher.encode(keyword, input);
+		assertEquals("Autokey failed no capital lowercase decoding.", correctOutput, output);
+		//Test uppercase decoding
+		input = "ATTACK";
+		keyword = "queenly";
+		correctOutput = "qnxepv";
+		output = cipher.encode(keyword, input);
+		assertEquals("Autokey failed no capital uppercase decoding.", correctOutput, output);
+
+
+		//Test whitespace decoding
+		input = "attack at dawn";
+		keyword = "queenly";
+		correctOutput = "qnxepv yt wtwp";
+		output = cipher.encode(keyword, input);
+		assertEquals("Autokey failed no capital whitespace decoding.", correctOutput, output);
+
+
+		//Test symbol decoding
+		input = "attack@at-dawn";
+		keyword = "queenly";
+		correctOutput = "qnxepv@yt-wtwp";
+		output = cipher.encode(keyword, input);
+		assertEquals("Autokey failed no capital symbol decoding.", correctOutput, output);
+
+
+		//Test mixed case, whitespace, symbol encoding
+		input = "Attack at - dawn";
+		keyword = "QUEENLY";
+		correctOutput = "qnxepv yt - wtwp";
+		output = cipher.encode(keyword, input);
+		assertEquals("Autokey failed no capital mixed case, whitespace, symbol decoding.", correctOutput, output);
+		//Test mixed case, whitespace, symbol decoding with mangled keyword
+		input = "Meet at \"The Fountain\"";
+		keyword = "k@i l-t";
+		correctOutput = "wmpm mx \"xae yhbryoca\"";
+		output = cipher.encode(keyword, input);
+		assertEquals("Autokey failed no capital mixed case, whitespace, symbol decoding with mangled keyword.", correctOutput, output);
+	}
+	@Test
+	public void testNoSymbolEncode() throws Exception{
+		Autokey cipher = new Autokey(true, true, false);
+
+		//Test lowercase decoding
+		String input = "attack";
+		String keyword = "queenly";
+		String correctOutput = "qnxepv";
+		String output = cipher.encode(keyword, input);
+		assertEquals("Autokey failed no symbol lowercase decoding.", correctOutput, output);
+		//Test uppercase decoding
+		input = "ATTACK";
+		keyword = "queenly";
+		correctOutput = "QNXEPV";
+		output = cipher.encode(keyword, input);
+		assertEquals("Autokey failed no symbol uppercase decoding.", correctOutput, output);
+
+
+		//Test whitespace decoding
+		input = "attack at dawn";
+		keyword = "queenly";
+		correctOutput = "qnxepv yt wtwp";
+		output = cipher.encode(keyword, input);
+		assertEquals("Autokey failed no symbol whitespace decoding.", correctOutput, output);
+
+
+		//Test symbol decoding
+		input = "attack@at-dawn";
+		keyword = "queenly";
+		correctOutput = "qnxepvytwtwp";
+		output = cipher.encode(keyword, input);
+		assertEquals("Autokey failed no symbol symbol decoding.", correctOutput, output);
+
+
+		//Test mixed case, whitespace, symbol encoding
+		input = "Attack at - dawn";
+		keyword = "QUEENLY";
+		correctOutput = "Qnxepv yt  wtwp";
+		output = cipher.encode(keyword, input);
+		assertEquals("Autokey failed no symbol mixed case, whitespace, symbol decoding.", correctOutput, output);
+		//Test mixed case, whitespace, symbol decoding with mangled keyword
+		input = "Meet at \"The Fountain\"";
+		keyword = "k@i l-t";
+		correctOutput = "Wmpm mx Xae Yhbryoca";
+		output = cipher.encode(keyword, input);
+		assertEquals("Autokey failed no symbol mixed case, whitespace, symbol decoding with mangled keyword.", correctOutput, output);
+	}
+	@Test
+	public void testNoCapitalWhitespaceSymbolEncode() throws Exception{
+		Autokey cipher = new Autokey(false, false, false);
+
+		//Test lowercase decoding
+		String input = "attack";
+		String keyword = "queenly";
+		String correctOutput = "qnxepv";
+		String output = cipher.encode(keyword, input);
+		assertEquals("Autokey failed secure lowercase decoding.", correctOutput, output);
+		//Test uppercase decoding
+		input = "ATTACK";
+		keyword = "queenly";
+		correctOutput = "qnxepv";
+		output = cipher.encode(keyword, input);
+		assertEquals("Autokey failed secure uppercase decoding.", correctOutput, output);
+
+
+		//Test whitespace decoding
+		input = "attack at dawn";
+		keyword = "queenly";
+		correctOutput = "qnxepvytwtwp";
+		output = cipher.encode(keyword, input);
+		assertEquals("Autokey failed secure whitespace decoding.", correctOutput, output);
+
+
+		//Test symbol decoding
+		input = "attack@at-dawn";
+		keyword = "queenly";
+		correctOutput = "qnxepvytwtwp";
+		output = cipher.encode(keyword, input);
+		assertEquals("Autokey failed secure symbol decoding.", correctOutput, output);
+
+
+		//Test mixed case, whitespace, symbol encoding
+		input = "Attack at - dawn";
+		keyword = "QUEENLY";
+		correctOutput = "qnxepvytwtwp";
+		output = cipher.encode(keyword, input);
+		assertEquals("Autokey failed secure mixed case, whitespace, symbol decoding.", correctOutput, output);
+		//Test mixed case, whitespace, symbol decoding with mangled keyword
+		input = "Meet at \"The Fountain\"";
+		keyword = "k@i l-t";
+		correctOutput = "wmpmmxxaeyhbryoca";
+		output = cipher.encode(keyword, input);
+		assertEquals("Autokey failed secure mixed case, whitespace, symbol decoding with mangled keyword.", correctOutput, output);
+	}
+
+
+	@Test
+	public void testKeyword() throws Exception{
+		Autokey cipher = new Autokey();
+
+		//Test keyword with whitespace
+		String keyword = "x y z ";
+		String correctOutput = "XYZ";
+		cipher.setKeyword(keyword);
+		String output = cipher.getKeyword();
+		assertEquals("Vigenere failed keyword with whitespace", correctOutput, output);
+
+
+		//Test keyword with symbol
+		keyword = "x-y@z0";
+		correctOutput = "XYZ";
+		cipher.setKeyword(keyword);
+		output = cipher.getKeyword();
+		assertEquals("Vigenere failed keyword with symbol", correctOutput, output);
+
+
+		//Test keyword with mixed case
+		keyword = "xYz";
+		correctOutput = "XYZ";
+		cipher.setKeyword(keyword);
+		output = cipher.getKeyword();
+		assertEquals("Vigenere failed keyword with mixed case", correctOutput, output);
+
+		//Test keyword with whitespace, symbol and keyword
+		keyword = "x Y%z ";
+		correctOutput = "XYZ";
+		cipher.setKeyword(keyword);
+		output = cipher.getKeyword();
+		assertEquals("Vigenere failed keyword with space, symbol, and mixed case", correctOutput, output);
+	}
+}