package org.example.customer.utility;
   
   import static org.junit.Assert.assertEquals;
   import static org.junit.Assert.assertFalse;
   import static org.junit.Assert.assertNotNull;
   import static org.junit.Assert.assertNull;
   import static org.junit.Assert.assertTrue;
   import static org.mockito.ArgumentMatchers.anyString;
   import static org.mockito.Mockito.when;
  
  import org.apache.commons.lang3.RandomStringUtils;
  import org.apache.logging.log4j.Level;
  import org.apache.logging.log4j.LogManager;
  import org.apache.logging.log4j.core.config.Configurator;
  import org.example.websecurity.XssSanitizer;
  import org.junit.Before;
  import org.junit.BeforeClass;
  import org.junit.Test;
  import org.mockito.Mockito;
  
  public class PhoneTest
  {
      
      private Phone testPhone = null;
      private XssSanitizer sanitizerMock = null;
      
      @BeforeClass // this runs only once before any test
      public static void setup()
      {
          Configurator.setLevel(LogManager.getLogger(Phone.class).getName(), Level.WARN);
      }
  
      @Before
      public void setUp() throws Exception
      {
          sanitizerMock = Mockito.mock(XssSanitizer.class);
          // tell the Mock Sanitizer to return the first argument it was passed
          // as a trimmed String
          when(sanitizerMock.sanitizeInput(anyString())).thenAnswer(i -> ((String) i.getArguments()[0]).trim());
  
          testPhone = new Phone(sanitizerMock);
      }
      
      @Test
      public void testPhoneDefaultConstructor()
      {
          Phone defaultLocation = new Phone();
          assertNotNull(defaultLocation);
      }
      
      @Test
      public void testDefaultNumber()
      {
          assertNull(testPhone.getNumber());
      }
  
      @Test
      public void testNullNumber()
      {
          testPhone.setNumber(null);
          assertNull(testPhone.getNumber());
      }
  
      @Test(expected = IllegalArgumentException.class)
      public void testEmptyNumber()
      {
          testPhone.setNumber("  ");
      }
  
      @Test(expected = IllegalArgumentException.class)
      public void testTooLongNumber()
      {
          String bad = RandomStringUtils.randomAlphabetic(31);
          testPhone.setNumber(bad);
      }
      
      @Test(expected = IllegalArgumentException.class)
      public void testTooShortNumber()
      {
          String bad = RandomStringUtils.randomAlphabetic(1);
          testPhone.setNumber(bad);
      }
      
      @Test
      public void testValidNumber()
      {
          String[] values = {"212.555.1212", "(303)555-1212"};
          for (String value : values)
          {
              testPhone.setNumber(value);
          }
      }
      
      @Test
      public void testSanitizedNumber()
      {
          String xssInput = "<script>alert('You have been Hacked!');</script>202.555.1212 ";
          String xssSanitized = "202.555.1212";
          // tell the Mock Sanitizer to return a specific string
         when(sanitizerMock.sanitizeInput(xssInput)).thenReturn(xssSanitized);
 
         testPhone.setNumber(xssInput);
 
         // now we will test to see if the Customer class calls the sanitizer correctly
         String expected = "202.555.1212";
         String actual = testPhone.getNumber();
         assertEquals(expected, actual);
     }
 
     @Test  
     public void testToString()
     {
         String expected = "Phone [Number=null]";
         String actual = testPhone.toString();
         assertEquals(expected, actual);
     }
     
     @Test public void testHashCode()
     {
         Phone sample = new Phone();
         int expected = sample.hashCode();
         int actual = testPhone.hashCode();
         assertEquals(expected, actual);
     }
     
     @Test public void testEquals()
     {
         Phone sample = new Phone();
         sample.setNumber("202.555.1212");
         testPhone.setNumber("202.555.1212");
         assertTrue(testPhone.equals(sample));
     }
     
     @Test public void testNotEquals()
     {
         Phone sample = new Phone();
         sample.setNumber("312.101.3200");
         assertFalse(testPhone.equals(sample));
         
         Object junk = new Object();
         assertFalse(testPhone.equals(junk));
     }
 
 }