RegistryEditorTestCase.java

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package org.feistymeow.system;
 
import static org.junit.Assert.*;
import org.junit.*;
 
import org.feistymeow.system.RegistryEditor;
 
public class RegistryEditorTestCase 
{    
  @Before
  public void setUp() throws Exception 
  {
  }
 
  @After
  public void tearDown() throws Exception 
  {
  }
 
  @Test
  public void testCheckKey_missing() {
    // this key cannot exist, since we're not allowed to write at that
    // top level hive (as far as we know).
    assertFalse(RegistryEditor.checkKey("HKLM\\flaubert\\maximus"));
  }
 
  @Test
  public void testCheckKey_present() {
    // this key must always exist as far as we know.
    assertTrue(RegistryEditor.checkKey("HKLM\\Software"));
  }
 
  @Test
  public void testCheckKey_bad() {
    assertFalse(RegistryEditor.checkKey(null));
  }
 
  @Test
  public void testGetValue_present() {
    String PERSONAL_FOLDER_KEY = "HKCU\\Software\\Microsoft\\Windows\\CurrentVersion\\Explorer\\Shell Folders";
    String PERSONAL_FOLDER_VALUE = "Personal";
    assertNotNull(RegistryEditor.getValue(PERSONAL_FOLDER_KEY, PERSONAL_FOLDER_VALUE,
        RegistryEditor.STRING_TYPE)); 
  }
 
  @Test
  public void testGetValue_missing() {
    String PERSONAL_FOLDER_KEY = "HKCU\\Flombix\\Gruntnork";
    String PERSONAL_FOLDER_VALUE = "Personalish";
    assertNull(RegistryEditor.getValue(PERSONAL_FOLDER_KEY, PERSONAL_FOLDER_VALUE,
        RegistryEditor.STRING_TYPE)); 
  }
 
  @Test
  public void testSetValueAndRemove_AllWork()
  {
    String EXAMPLE_KEY_ROOT = "HKCU\\Software\\SpunkBaster5000";
    String EXAMPLE_KEY = EXAMPLE_KEY_ROOT + "\\traumix";
    String EXAMPLE_VALUE = "glonkish";
    String EXAMPLE_CONTENTS1 = "ralphWiggum!";
    String EXAMPLE_CONTENTS2 = "moeSzyslak?";
 
    // first try deleting the value.  this should fail to start with.
    assertFalse(RegistryEditor.deleteValue(EXAMPLE_KEY, EXAMPLE_VALUE));
    // remove the entire key if present.
    assertFalse(RegistryEditor.deleteKey(EXAMPLE_KEY_ROOT));
    // now test that it really doesn't seem to be there.
    assertFalse(RegistryEditor.checkKey(EXAMPLE_KEY));
//System.out.println("now setting key [" + EXAMPLE_KEY + "] value [" + EXAMPLE_VALUE + "] to '" + EXAMPLE_CONTENTS1 + "'");
    // now try adding the example value.
    assertTrue(RegistryEditor.setValue(EXAMPLE_KEY, EXAMPLE_VALUE, RegistryEditor.STRING_TYPE, EXAMPLE_CONTENTS1));
    // check that the contents are what we expect.
    assertEquals(RegistryEditor.getValue(EXAMPLE_KEY, EXAMPLE_VALUE, RegistryEditor.STRING_TYPE),
        EXAMPLE_CONTENTS1);
    // now change the value's contents to a new setting.
    assertTrue(RegistryEditor.setValue(EXAMPLE_KEY, EXAMPLE_VALUE, RegistryEditor.STRING_TYPE, EXAMPLE_CONTENTS2));
    // make sure the update has succeeded.
    assertEquals(RegistryEditor.getValue(EXAMPLE_KEY, EXAMPLE_VALUE, RegistryEditor.STRING_TYPE),
        EXAMPLE_CONTENTS2);
    // now whack the value we had added.
    assertTrue(RegistryEditor.deleteValue(EXAMPLE_KEY, EXAMPLE_VALUE));
    // now remove the entire key we added.
    assertTrue(RegistryEditor.deleteKey(EXAMPLE_KEY_ROOT));
  }
 
}