Added options to leave whitespace and capitals

src/main/java/mattrixwv/CipherStreamJava/Caesar.java

@@ -1,16 +1,17 @@
 //CipherStreamJava/src/main/java/mattrixwv/CipherStreamJava/Caesar.java
 //Matthew Ellison
 // Created: 07-25-21
-//Modified: 07-25-21
+//Modified: 12-25-21
 //This is the declaration of the Caesar class
 package mattrixwv.CipherStreamJava;
 
 
 public class Caesar{
-	public static final String version = "1.0";	//The current version number for the library
 	private String inputString;		//The string that needs encoded/decoded
 	private String outputString;	//The encoded/decoded string
 	private int shift;	//The amount that you need to shift each letter
+	private boolean leaveCapitals;	//Whether to respect capitals in the output string
+	private boolean leaveWhitespace;	//Whether to respect whitespace in the output string
 	//Sets shift and makes sure it is within the propper bounds
 	private void setShift(int shiftAmount){
 		//If you shift more than 26 you will just be wrapping back around again
@@ -18,6 +19,12 @@ public class Caesar{
 	}
 	//Sets the input string
 	private void setInputString(String inputString){
+		if(!leaveCapitals){
+			inputString = inputString.toLowerCase();
+		}
+		if(!leaveWhitespace){
+			inputString = inputString.replaceAll("\\s+", "");
+		}
 		this.inputString = inputString;
 	}
 	//Encodes the inputString and stores the result in outputString
@@ -92,6 +99,13 @@ public class Caesar{
 	//Constructor
 	public Caesar(){
 		reset();
+		leaveCapitals = false;
+		leaveWhitespace = false;
+	}
+	public Caesar(boolean leaveCapitals, boolean leaveWhitespace){
+		reset();
+		this.leaveCapitals = leaveCapitals;
+		this.leaveWhitespace = leaveWhitespace;
 	}
 	//Returns the inputString
 	public String getInputString(){
@@ -105,6 +119,20 @@ public class Caesar{
 	public String getOutputString(){
 		return outputString;
 	}
+	//Returns if capitals should be respected in the output
+	public boolean getLeaveCapitals(){
+		return leaveCapitals;
+	}
+	public void setLeaveCapitals(boolean leaveCapitals){
+		this.leaveCapitals = leaveCapitals;
+	}
+	//Returns if whitespace should be respected in the output
+	public boolean getLeaveWhitespace(){
+		return leaveWhitespace;
+	}
+	public void setLeaveWhitespace(boolean leaveWhitespace){
+		this.leaveWhitespace = leaveWhitespace;
+	}
 	//Sets the shift and inputString and encodes the message
 	public String encode(int shiftAmount, String inputString){
 		reset();

src/test/java/mattrixwv/CipherStreamJava/TestCaesar.java

@@ -1,7 +1,7 @@
-//CipherStreamJava/src/main/java/mattrixwv/CipherStreamJava/TestCaesar.java
+//CipherStreamJava/src/test/java/mattrixwv/CipherStreamJava/TestCaesar.java
 //Matthew Ellison
 // Created: 07-25-21
-//Modified: 07-25-21
+//Modified: 12-25-21
 //These are the tests for the Caesar class
 package mattrixwv.CipherStreamJava;
 
@@ -14,7 +14,7 @@ import org.junit.Test;
 public class TestCaesar{
 	@Test
 	public void testDecode(){
-		Caesar cipher = new Caesar();
+		Caesar cipher = new Caesar(true, true);
 
 		//Test 1
 		String input = "def";
@@ -28,24 +28,139 @@ public class TestCaesar{
 		correctOutput = "abc";
 		output = cipher.decode(shift, input);
 		assertEquals("Caesar Decoding failed the second test", correctOutput, output);
-
 		//Test 3
+		input = "DEF";
+		shift = 3;
+		correctOutput = "ABC";
+		output = cipher.decode(shift, input);
+		assertEquals("Caesar Decoding failed the third test", correctOutput, output);
+
+		//Test 4
 		input = "Qeb nrfzh yoltk clu grjmp lsbo - qeb ixwv ald";
 		shift = -3;
 		correctOutput = "The quick brown fox jumps over - the lazy dog";
 		output = cipher.decode(shift, input);
-		assertEquals("Caesar Decoding failed the third test", correctOutput, output);
-		//Test 4
+		assertEquals("Caesar Decoding failed the fourth test", correctOutput, output);
+		//Test 5
 		input = "Qeb nrfzh yoltk clu grjmp lsbo - qeb ixwv ald";
 		shift = 23;
 		correctOutput = "The quick brown fox jumps over - the lazy dog";
 		output = cipher.decode(shift, input);
-		assertEquals("Caesar Decoding failed the fourth test", correctOutput, output);
+		assertEquals("Caesar Decoding failed the fifth test", correctOutput, output);
 	}
+	@Test
+	public void testNoWhitespaceDecode(){
+		Caesar cipher = new Caesar(true, false);
+
+		//Test 1
+		String input = "def";
+		int shift = 3;
+		String correctOutput = "abc";
+		String output = cipher.decode(shift, input);
+		assertEquals("Caesar Decoding failed the first test", correctOutput, output);
+		//Test 2
+		input = "def";
+		shift = 29;
+		correctOutput = "abc";
+		output = cipher.decode(shift, input);
+		assertEquals("Caesar Decoding failed the second test", correctOutput, output);
+		//Test 3
+		input = "DEF";
+		shift = 3;
+		correctOutput = "ABC";
+		output = cipher.decode(shift, input);
+		assertEquals("Caesar Decoding failed the third test", correctOutput, output);
+
+		//Test 4
+		input = "Qeb nrfzh yoltk clu grjmp lsbo - qeb ixwv ald";
+		shift = -3;
+		correctOutput = "Thequickbrownfoxjumpsover-thelazydog";
+		output = cipher.decode(shift, input);
+		assertEquals("Caesar Decoding failed the fourth test", correctOutput, output);
+		//Test 5
+		input = "Qeb nrfzh yoltk clu grjmp lsbo - qeb ixwv ald";
+		shift = 23;
+		correctOutput = "Thequickbrownfoxjumpsover-thelazydog";
+		output = cipher.decode(shift, input);
+		assertEquals("Caesar Decoding failed the fifth test", correctOutput, output);
+	}
+	@Test
+	public void testNoCapitalDecode(){
+		Caesar cipher = new Caesar(false, true);
+
+		//Test 1
+		String input = "def";
+		int shift = 3;
+		String correctOutput = "abc";
+		String output = cipher.decode(shift, input);
+		assertEquals("Caesar Decoding failed the first test", correctOutput, output);
+		//Test 2
+		input = "def";
+		shift = 29;
+		correctOutput = "abc";
+		output = cipher.decode(shift, input);
+		assertEquals("Caesar Decoding failed the second test", correctOutput, output);
+		//Test 3
+		input = "DEF";
+		shift = 3;
+		correctOutput = "abc";
+		output = cipher.decode(shift, input);
+		assertEquals("Caesar Decoding failed the third test", correctOutput, output);
+
+		//Test 4
+		input = "Qeb nrfzh yoltk clu grjmp lsbo - qeb ixwv ald";
+		shift = -3;
+		correctOutput = "the quick brown fox jumps over - the lazy dog";
+		output = cipher.decode(shift, input);
+		assertEquals("Caesar Decoding failed the fourth test", correctOutput, output);
+		//Test 5
+		input = "Qeb nrfzh yoltk clu grjmp lsbo - qeb ixwv ald";
+		shift = 23;
+		correctOutput = "the quick brown fox jumps over - the lazy dog";
+		output = cipher.decode(shift, input);
+		assertEquals("Caesar Decoding failed the fifth test", correctOutput, output);
+	}
+	@Test
+	public void testNoCapitalWhitespaceDecode(){
+		Caesar cipher = new Caesar(false, false);
+
+		//Test 1
+		String input = "def";
+		int shift = 3;
+		String correctOutput = "abc";
+		String output = cipher.decode(shift, input);
+		assertEquals("Caesar Decoding failed the first test", correctOutput, output);
+		//Test 2
+		input = "def";
+		shift = 29;
+		correctOutput = "abc";
+		output = cipher.decode(shift, input);
+		assertEquals("Caesar Decoding failed the second test", correctOutput, output);
+		//Test 3
+		input = "DEF";
+		shift = 3;
+		correctOutput = "abc";
+		output = cipher.decode(shift, input);
+		assertEquals("Caesar Decoding failed the third test", correctOutput, output);
+
+		//Test 4
+		input = "Qeb nrfzh yoltk clu grjmp lsbo - qeb ixwv ald";
+		shift = -3;
+		correctOutput = "thequickbrownfoxjumpsover-thelazydog";
+		output = cipher.decode(shift, input);
+		assertEquals("Caesar Decoding failed the fourth test", correctOutput, output);
+		//Test 5
+		input = "Qeb nrfzh yoltk clu grjmp lsbo - qeb ixwv ald";
+		shift = 23;
+		correctOutput = "thequickbrownfoxjumpsover-thelazydog";
+		output = cipher.decode(shift, input);
+		assertEquals("Caesar Decoding failed the fifth test", correctOutput, output);
+	}
+
 	@Test
 	public void testEncode(){
 		//Test 1
-		Caesar cipher = new Caesar();
+		Caesar cipher = new Caesar(true, true);
 		String input = "abc";
 		int shift = 3;
 		String correctOutput = "def";
@@ -56,19 +171,130 @@ public class TestCaesar{
 		shift = 29;
 		correctOutput = "def";
 		output = cipher.encode(shift, input);
-		assertEquals("Caesar Encoding failed the second test - Expected: " + correctOutput + "; actual" + output, correctOutput, output);
-
+		assertEquals("Caesar Encoding failed the second test", correctOutput, output);
 		//Test 3
+		input = "ABC";
+		shift = 3;
+		correctOutput = "DEF";
+		output = cipher.encode(shift, input);
+		assertEquals("Ceasar Encoding failed the third test", correctOutput, output);
+
+		//Test 4
 		input = "The quick brown fox jumps over - the lazy dog";
 		shift = -3;
 		correctOutput = "Qeb nrfzh yoltk clu grjmp lsbo - qeb ixwv ald";
 		output = cipher.encode(shift, input);
-		assertEquals("Caesar Encoding failed the third test", correctOutput, output);
-		//Test 4
+		assertEquals("Caesar Encoding failed the fourth test", correctOutput, output);
+		//Test 5
 		input = "The quick brown fox jumps over - the lazy dog";
 		shift = 23;
 		correctOutput = "Qeb nrfzh yoltk clu grjmp lsbo - qeb ixwv ald";
 		output = cipher.encode(shift, input);
-		assertEquals("Caesar Encoding failed the third test", correctOutput, output);
+		assertEquals("Caesar Encoding failed the fifth test", correctOutput, output);
+	}
+	@Test
+	public void testNoWhitespaceEncode(){
+		//Test 1
+		Caesar cipher = new Caesar(true, false);
+		String input = "abc";
+		int shift = 3;
+		String correctOutput = "def";
+		String output = cipher.encode(shift, input);
+		assertEquals("Caesar Encoding failed the first test", correctOutput, output);
+		//Test 2
+		input = "abc";
+		shift = 29;
+		correctOutput = "def";
+		output = cipher.encode(shift, input);
+		assertEquals("Caesar Encoding failed the second test", correctOutput, output);
+		//Test 3
+		input = "ABC";
+		shift = 3;
+		correctOutput = "DEF";
+		output = cipher.encode(shift, input);
+		assertEquals("Ceasar Encoding failed the third test", correctOutput, output);
+
+		//Test 4
+		input = "The quick brown fox jumps over - the lazy dog";
+		shift = -3;
+		correctOutput = "Qebnrfzhyoltkclugrjmplsbo-qebixwvald";
+		output = cipher.encode(shift, input);
+		assertEquals("Caesar Encoding failed the fourth test", correctOutput, output);
+		//Test 5
+		input = "The quick brown fox jumps over - the lazy dog";
+		shift = 23;
+		correctOutput = "Qebnrfzhyoltkclugrjmplsbo-qebixwvald";
+		output = cipher.encode(shift, input);
+		assertEquals("Caesar Encoding failed the fifth test", correctOutput, output);
+	}
+	@Test
+	public void testNoCapitalEncode(){
+		//Test 1
+		Caesar cipher = new Caesar(false, true);
+		String input = "abc";
+		int shift = 3;
+		String correctOutput = "def";
+		String output = cipher.encode(shift, input);
+		assertEquals("Caesar Encoding failed the first test", correctOutput, output);
+		//Test 2
+		input = "abc";
+		shift = 29;
+		correctOutput = "def";
+		output = cipher.encode(shift, input);
+		assertEquals("Caesar Encoding failed the second test", correctOutput, output);
+		//Test 3
+		input = "ABC";
+		shift = 3;
+		correctOutput = "def";
+		output = cipher.encode(shift, input);
+		assertEquals("Ceasar Encoding failed the third test", correctOutput, output);
+
+		//Test 4
+		input = "The quick brown fox jumps over - the lazy dog";
+		shift = -3;
+		correctOutput = "qeb nrfzh yoltk clu grjmp lsbo - qeb ixwv ald";
+		output = cipher.encode(shift, input);
+		assertEquals("Caesar Encoding failed the fourth test", correctOutput, output);
+		//Test 5
+		input = "The quick brown fox jumps over - the lazy dog";
+		shift = 23;
+		correctOutput = "qeb nrfzh yoltk clu grjmp lsbo - qeb ixwv ald";
+		output = cipher.encode(shift, input);
+		assertEquals("Caesar Encoding failed the fifth test", correctOutput, output);
+	}
+	@Test
+	public void testNoCapitalWhitespaceEncode(){
+		//Test 1
+		Caesar cipher = new Caesar(false, false);
+		String input = "abc";
+		int shift = 3;
+		String correctOutput = "def";
+		String output = cipher.encode(shift, input);
+		assertEquals("Caesar Encoding failed the first test", correctOutput, output);
+		//Test 2
+		input = "abc";
+		shift = 29;
+		correctOutput = "def";
+		output = cipher.encode(shift, input);
+		assertEquals("Caesar Encoding failed the second test", correctOutput, output);
+		//Test 3
+		input = "ABC";
+		shift = 3;
+		correctOutput = "def";
+		output = cipher.encode(shift, input);
+		assertEquals("Ceasar Encoding failed the third test", correctOutput, output);
+
+		//Test 4
+		input = "The quick brown fox jumps over - the lazy dog";
+		shift = -3;
+		correctOutput = "qebnrfzhyoltkclugrjmplsbo-qebixwvald";
+		output = cipher.encode(shift, input);
+		assertEquals("Caesar Encoding failed the fourth test", correctOutput, output);
+		//Test 5
+		input = "The quick brown fox jumps over - the lazy dog";
+		shift = 23;
+		correctOutput = "qebnrfzhyoltkclugrjmplsbo-qebixwvald";
+		output = cipher.encode(shift, input);
+		assertEquals("Caesar Encoding failed the fifth test", correctOutput, output);
 	}
 }