Caesar cipher is implemented

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

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+//CipherStreamJava/src/main/java/mattrixwv/CipherStreamJava/TestCaesar.java
+//Matthew Ellison
+// Created: 07-25-21
+//Modified: 07-25-21
+//These are the tests for the Caesar class
+package mattrixwv.CipherStreamJava;
+
+
+import static org.junit.Assert.assertEquals;
+
+import org.junit.Test;
+
+
+public class TestCaesar{
+	@Test
+	public void testDecode(){
+		//Test 1
+		Caesar cipher = new Caesar();
+		String input = "def";
+		int shift = 3;
+		String correctOutput = "abc";
+		String output = cipher.decode(shift, input);
+		assertEquals("Caesar Decoding failed the first test - Expected: " + correctOutput + "; actual: " + output, correctOutput, output);
+		//Test 2
+		input = "def";
+		shift = 29;
+		correctOutput = "abc";
+		output = cipher.decode(shift, input);
+		assertEquals("Caesar Decoding failed the second test - Expected: " + correctOutput + "; actual: " + output, correctOutput, output);
+
+		//Test 3
+		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 - Expected: " + correctOutput + "; actual: " + output, correctOutput, output);
+		//Test 4
+		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 - Expected: " + correctOutput + "; actual: " + output, correctOutput, output);
+	}
+	@Test
+	public void testEncode(){
+		//Test 1
+		Caesar cipher = new Caesar();
+		String input = "abc";
+		int shift = 3;
+		String correctOutput = "def";
+		String output = cipher.encode(shift, input);
+		assertEquals("Caesar Encoding failed the first test - Expected: " + correctOutput + "; actual: " + output, correctOutput, output);
+		//Test 2
+		input = "abc";
+		shift = 29;
+		correctOutput = "def";
+		output = cipher.encode(shift, input);
+		assertEquals("Caesar Encoding failed the second test - Expected: " + correctOutput + "; actual" + output, correctOutput, output);
+
+		//Test 3
+		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 - Expected: " + correctOutput + "; actual: " + output, correctOutput, output);
+		//Test 4
+		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 - Expected: " + correctOutput + "; actual: " + output, correctOutput, output);
+	}
+}