package at.gv.egiz.eaaf.utils.springboot.test.utils;

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertTrue;

import org.apache.commons.lang3.RandomStringUtils;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.BlockJUnit4ClassRunner;
import org.springframework.security.crypto.bcrypt.BCryptPasswordEncoder;
import org.springframework.security.crypto.password.PasswordEncoder;

import at.gv.egiz.eaaf.utils.springboot.utils.CachingPasswordEncoder;

@RunWith(BlockJUnit4ClassRunner.class)
public class CachingPasswordEncoderTest {

  PasswordEncoder orgEncoder = new BCryptPasswordEncoder();
  PasswordEncoder testEncoder = new CachingPasswordEncoder(orgEncoder);
  
  @Test
  public void upgradeEncoding() {    
    String enc = new BCryptPasswordEncoder().encode(RandomStringUtils.randomAlphabetic(5));
            
    assertEquals("upgradeEncoding",
        orgEncoder.upgradeEncoding(enc),
        testEncoder.upgradeEncoding(enc));
    
  }
  
  @Test
  public void encodePassword() {    
    String plain = RandomStringUtils.randomAlphabetic(5);    
    assertNotNull("password encoded", testEncoder.encode(plain));
    
  }
  
  @Test
  public void matchPassword() {        
    String plain = RandomStringUtils.randomAlphabetic(5);
    String encoded = testEncoder.encode(plain);
    
    assertTrue("valid password", testEncoder.matches(plain, encoded));
    assertTrue("valid password again", testEncoder.matches(plain, encoded));        
            
    assertFalse("password in cache, but changed on server", 
        testEncoder.matches(plain, RandomStringUtils.randomAlphabetic(10)));
    assertFalse("wrong password send", testEncoder.matches(RandomStringUtils.randomAlphabetic(5), encoded));
    
  }
  
}