2
有沒有辦法建立一個組合Hamcrest匹配器來測試一個對象和這個對象的屬性? - 僞代碼:如何將Hamcrest匹配器應用到被測試的類中?
both(
instanceof(MultipleFailureException.class)
).and(
// pseudo code starts
adapt(
new Adapter<MultipleFailureException, Iterable<Throwable>()
{
public Iterable<Throwable> getAdapter(MultipleFailureException item)
{
return item.getFailures();
}
},
// pseudo code ends
everyItem(instanceOf(IllegalArgumentException.class))
)
)
背景:我有一個JUnit測試,它對一組動態對象進行迭代。預計每個對象在處理時都會引發異常。收集例外。該試驗預計用含有這些拋出的異常的集合MultipleFailureException結束:
protected final ExpectedException expectation = ExpectedException.none();
protected final ErrorCollector collector = new ErrorCollector();
@Rule
public RuleChain exceptionRules = RuleChain.outerRule(expectation).around(collector);
@Test
public void testIllegalEnumConstant()
{
expectation.expect(/* pseudo code from above */);
for (Object object : ILLEGAL_OBJECTS)
{
try
{
object.processWithThrow();
}
catch (Throwable T)
{
collector.addError(T);
}
}
}