@Test public void testAddCommand() throws Exception { assertEquals(Command.ADD, Command.findByStr("add")); }
@Test public void testEmptyCommand() throws Exception { assertEquals(null, Command.findByStr("")); }
@Test public void testUpdateCommand() throws Exception { assertEquals(Command.UPDATE, Command.findByStr("update")); }
@Test public void testNotCommand() throws Exception { assertEquals(null, Command.findByStr("notacommand")); }
@Test public void testModifyCommand() throws Exception { assertEquals(Command.FIND, Command.findByStr("find")); }