Files
CipherStreamAPI/src/test/java/com/mattrixwv/cipherstream/controller/polysubstitution/PlayfairCipherControllerTest.java
2024-04-07 19:41:57 -04:00

76 lines
2.7 KiB
Java

package com.mattrixwv.cipherstream.controller.polysubstitution;
import static org.junit.jupiter.api.Assertions.*;
import org.junit.jupiter.api.Tag;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.api.extension.ExtendWith;
import org.mockito.InjectMocks;
import org.mockito.junit.jupiter.MockitoExtension;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.databind.node.ObjectNode;
import com.mattrixwv.cipherstream.exception.InvalidCipherParameterException;
import com.mattrixwv.cipherstream.utils.CipherParameterUtil;
@Tag("unit-test")
@ExtendWith(MockitoExtension.class)
public class PlayfairCipherControllerTest{
@InjectMocks
private PlayfairCipherController playfairCipherController;
private static final String PLAYFAIR_INPUT_STRING = "Hide the gold in - the@tree+stump";
private static final String DECODED_INPUT_STRING = "Hide the gold in - the@trexe+stump";
private static final String PLAYFAIR_OUTPUT_STRING = "Bmod zbx dnab ek - udm@uixmm+ouvif";
private static final String PLAYFAIR_KEYWORD = "Play-fair@Exam ple";
private ObjectMapper objectMapper = new ObjectMapper();
@Test
public void testEncodePlayfair(){
ObjectNode cipherParams = generateParams(PLAYFAIR_KEYWORD, PLAYFAIR_INPUT_STRING);
ObjectNode returnedJson = playfairCipherController.encodePlayfair(cipherParams);
assertEquals(cipherParams, returnedJson);
assertEquals(PLAYFAIR_OUTPUT_STRING, returnedJson.get(CipherParameterUtil.OUTPUT_STRING).asText());
//Verify invalid params are caught
final ObjectNode blankNode = objectMapper.createObjectNode();
assertThrows(InvalidCipherParameterException.class, () -> {
playfairCipherController.encodePlayfair(blankNode);
});
}
@Test
public void testDecodePlayfair(){
ObjectNode cipherParams = generateParams(PLAYFAIR_KEYWORD, PLAYFAIR_OUTPUT_STRING);
ObjectNode returnedJson = playfairCipherController.decodePlayfair(cipherParams);
assertEquals(cipherParams, returnedJson);
assertEquals(DECODED_INPUT_STRING, returnedJson.get(CipherParameterUtil.OUTPUT_STRING).asText());
//Verify invalid params are caught
final ObjectNode blankNode = objectMapper.createObjectNode();
assertThrows(InvalidCipherParameterException.class, () -> {
playfairCipherController.decodePlayfair(blankNode);
});
}
private ObjectNode generateParams(String keyword, String inputString){
ObjectNode cipherParams = objectMapper.createObjectNode();
cipherParams.put(CipherParameterUtil.PRESERVE_CAPITALS, true);
cipherParams.put(CipherParameterUtil.PRESERVE_WHITESPACE, true);
cipherParams.put(CipherParameterUtil.PRESERVE_SYMBOLS, true);
cipherParams.put(CipherParameterUtil.KEYWORD, keyword);
cipherParams.put(CipherParameterUtil.INPUT_STRING, inputString);
return cipherParams;
}
}