對DAO編寫單元測試

  public String  getPassword() { return password; }
  public void  setPassword(String password) { this.password = password; } 
  @Column(nullable=false,  length=50)
  @Pattern(regex=REGEX_EMAIL)
  public String getEmail()  { return email; }
  public void  setEmail(String email) { this.email = email; } 
  @Column(nullable=false)
  public boolean getAdmin()  { return admin; }
  public void  setAdmin(boolean admin) { this.admin = admin; } 
  @Column(nullable=false,  updatable=false)
  public long  getCreatedDate() { return createdDate; }
  public void  setCreatedDate(long createdDate) { this.createdDate = createdDate; } 
  @Column(nullable=false)
  public int  getEmailValidation() { return emailValidation; }
  public void  setEmailValidation(int emailValidation) { this.emailValidation =  emailValidation; } 
  @Column(nullable=false)
  public long getLockDate()  { return lockDate; }
  public void  setLockDate(long lockDate) { this.lockDate = lockDate; }
  @Transient
  public boolean  getEmailValidated() { return emailValidation==0; } 
  @Transient
  public boolean  getLocked() {
  return !admin  && lockDate>0 && lockDate>System.currentTimeMillis();
  }
  }
  　　實體類PasswordTicket代表一個重置口令的請求：

  @Entity
  @Table(name="T_PWDT")
  public class PasswordTicket {
  private String id;
  private User user;
  private String ticket;
  private long createdDate;
  @Id
  @Column(nullable=false, updatable=false,  length=32)
  @GeneratedValue(generator="system-uuid")
  @GenericGenerator(name="system-uuid",  strategy="uuid")
  public String getId() {  return id; }
  protected void  setId(String id) { this.id = id; }
  @ManyToOne
  @JoinColumn(nullable=false, updatable=false)
  public User getUser() {  return user; }
  public void setUser(User  user) { this.user = user; }
  @Column(nullable=false,  updatable=false, length=32)
  public String getTicket()  { return ticket; }
  public void  setTicket(String ticket) { this.ticket = ticket; }
  @Column(nullable=false,  updatable=false)
  public long  getCreatedDate() { return createdDate; }
  public void  setCreatedDate(long createdDate) { this.createdDate = createdDate; }
  }
  　　UserDao接口定義了對用戶的相關操作：

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