package com.atlassian.marketplace.client.api;
   
   import org.junit.Test;
   
   import static org.hamcrest.MatcherAssert.assertThat;
   import static org.hamcrest.Matchers.equalTo;
   import static org.hamcrest.Matchers.not;
   import static org.hamcrest.Matchers.sameInstance;
   
  public class ApplicationKeyTest
  {
      @Test(expected=NullPointerException.class)
      public void cannotConstructWithNullKey()
      {
          ApplicationKey.valueOf(null);
      }
      
      @Test(expected=NullPointerException.class)
      public void cannotConstructWithEmptyString()
      {
          ApplicationKey.valueOf("");
      }
      
      @Test(expected=NullPointerException.class)
      public void cannotConstructWithWhitespaceString()
      {
          ApplicationKey.valueOf(" \t ");
      }
      
      @Test
      public void keyContainsString()
      {
          assertThat(ApplicationKey.valueOf("key").getKey(), equalTo("key"));
      }
      
      @Test
      public void equivalentKeysAreEqual()
      {
          assertThat(ApplicationKey.valueOf("key"), equalTo(ApplicationKey.valueOf("key")));
      }
      
      @Test
      public void nonEquivalentKeysAreNotEqual()
      {
          assertThat(ApplicationKey.valueOf("key"), not(equalTo(ApplicationKey.valueOf("other"))));
      }
      
      @Test
      public void equivalentKeysHaveSameHashCode()
      {
          assertThat(ApplicationKey.valueOf("key").hashCode(), equalTo(ApplicationKey.valueOf("key").hashCode()));
      }
      
      @Test
      public void predefinedKeyReusesStaticInstanceCaseInsensitively()
      {
          assertThat(ApplicationKey.valueOf("Bamboo"), sameInstance(ApplicationKey.BAMBOO));
      }
  }