当我运行jUnit测试时，我在testSetName上出错了，为什么会这样？因为测试是看是否名称是ferndown，那就是它设置为什么，为什么错误呢？我认为jUnit正在测试分支名称是否准确且看起来是否准确，为什么它显示测试失败？
@Test
public void testSetName() {
branch2.setName("Ferndown");
assertEquals("Ferndown", branch2.getName());
}
分行代码：
package prog2.as1;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Comparator;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
public class Branch implements Comparable<Branch> {
public static enum SortOrder implements Comparator<Customer> {
/**
* Sort ordered by the name of the customer
*/
SORTNAME {
@Override
public int compare(final Customer o1, final Customer o2) {
return o1.compareTo(o2);
}
},
/**
* Sort ordered by the first found current account number of the
* customer.
*/
SORTCURRENT {
@Override
public int compare(final Customer o1, final Customer o2) {
Account a1 = null;
for (Account a : o1.getAccounts()) {
if (a instanceof CurrentAccount) {
a1 = a;
break;
}
}
Account a2 = null;
for (Account a : o2.getAccounts()) {
if (a instanceof CurrentAccount) {
a2 = a;
break;
}
}
if (a1 == null) {
if (a2 == null) {
return 0;
}
return -1;
}
if (a2 == null) {
return 1;
}
return a2.getAccountNumber().compareTo(a1.getAccountNumber());
}
};
}
private String name;
private Address address;
private PhoneNumber phoneNumber;
private Person bankManager;
private final Set<Customer> customers;
/**
* Create a new branch object.
*
* @param name The name of the branch.
* @param address The address of the branch.
* @param phoneNumber The phone number of the branch.
* @param bankManager The manager of the branch. This can be any person,
* including a {@link Customer} instance.
*/
public Branch(final String name, final Address address, final PhoneNumber phoneNumber, final Person bankManager) {
this.name = name;
this.address = address;
this.phoneNumber = phoneNumber;
this.bankManager = bankManager;
this.customers = new HashSet<Customer>();
}
/**
* Get the name of the branch.
*
* @return The name.
*/
public String getName() {
return name;
}
/**
* Set the name of the branch.
*
* @param name The new name of the branch.
*/
public void setName(final String name) {
this.name = name;
}
/**
* Get the address of the branch.
*
* @return The address.
*/
public Address getAddress() {
return address;
}
/**
* Set the address of the branch.
*
* @param address The new address.
*/
public void setAddress(final Address address) {
this.address = address;
}
/**
* Get the phone number of the branch.
*
* @return The phone number.
*/
public PhoneNumber getPhoneNumber() {
return phoneNumber;
}
/**
* Set the phone number of the branch.
*
* @param phoneNumber The new phone number.
*/
public void setPhoneNumber(final PhoneNumber phoneNumber) {
this.phoneNumber = phoneNumber;
}
/**
* Get the manager of the branch.
*
* @return The manager.
*/
public Person getBankManager() {
return bankManager;
}
/**
* Set the manager of the branch.
*
* @param bankManager The manager.
*/
public void setBankManager(final Person bankManager) {
this.bankManager = bankManager;
}
/**
* Get a set with all customers of the branch. This set is editable to allow
* updating of the customer list.
*
* @return A {@link Set} with the customers.
*/
public Set<Customer> getCustomers() {
return customers;
}
/**
* {@inheritDoc}
*/
@Override
public int hashCode() {
final int prime = 31;
int result = 1;
result = prime * result + ((address == null) ? 0 : address.hashCode());
result = prime * result + ((bankManager == null) ? 0 : bankManager.hashCode());
result = prime * result + ((name == null) ? 0 : name.hashCode());
result = prime * result + ((phoneNumber == null) ? 0 : phoneNumber.hashCode());
return result;
}
/**
* Compare this branch to another branch. First sorted by name
* (lexicographically), then by phone number, and finally by manager.
*/
@Override
public int compareTo(final Branch o) {
int result = name.compareTo(o.name);
if (result == 0) {
result = phoneNumber.compareTo(o.phoneNumber);
if (result == 0) {
result = bankManager.compareTo(o.bankManager);
}
}
return result;
}
/**
* {@inheritDoc}
*/
@Override
public String toString() {
StringBuilder builder = new StringBuilder();
builder.append("Branch [name=");
builder.append(name);
builder.append(", address=");
builder.append(address.getHouseNumber()).append(' ').append(address.getStreetname());
builder.append(", phoneNumber=");
builder.append(phoneNumber);
builder.append(", bankManager=");
builder.append(bankManager.getName());
builder.append("]");
return builder.toString();
}
/**
* Get a sorted list of customers. This list is constructed on demand, and
* list modification does not result into modification of actual recorded
* set of customers of the branch.
*
* @param sortorder The sorting order for the results. Expects
* {@link SortOrder}, but other comparators work.
* @return A newly allocated list initialised with the customers of the
* branch, then sorted in the requested order.
*/
public List<Customer> getSortedCustomers(final Comparator<Customer> sortorder) {
List<Customer> result = new ArrayList<Customer>(customers);
Collections.sort(result, sortorder);
return result;
}
}
堆栈追踪：
java.lang.NumberFormatException: The string "128852690292106" does not have the proper length of a card number
at prog2.as1.CardNumber.<init>(CardNumber.java:19)
at prog2.as1.BankCard.getNextCardNumber(BankCard.java:68)
at prog2.as1.BankCard.<init>(BankCard.java:54)
at prog2.as1.CurrentAccount.<init>(CurrentAccount.java:95)
at prog2.as1.test.BankCommon.setUp(BankCommon.java:58)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:45)
at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:15)
at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:42)
at org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:27)
at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:263)
at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:68)
at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:47)
at org.junit.runners.ParentRunner$3.run(ParentRunner.java:231)
at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:60)
at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:229)
at org.junit.runners.ParentRunner.access$000(ParentRunner.java:50)
at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:222)
at org.junit.runners.ParentRunner.run(ParentRunner.java:300)
at org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:50)
at org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:467)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:683)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:390)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:197)
答案 0 :(得分：3)
您的单元测试在测试类setUp的{{1}}方法中失败，因为用于在BankCommon中创建测试BankCard的数字太长或太短。就堆栈跟踪而言，它与方法CurrentAccount无关。