[英]Using Mockito verify a method was called with an argument containing a substring
調用logger.error
,有許多不同的東西可以作為第三個參數傳遞。
如何驗證e
包含特定的子字符串?
這是我的生產代碼..
public class MyClass {
private ILogger logger = Slf4jLogbackLogger
.generateLogger(MyClass.class.getClassLoader().getResource("log_messages.properties"));
public void doSomething() {
logger.info(Optional.empty(), "MyClass.doSomething");
try {
.. do things // throw new RuntimeException("something");
} catch (Exception e) {
logger.error(Optional.empty(), "HANDLE_EXCEPTION", e);
}
}
}
我的測試代碼..
@RunWith(MockitoJUnitRunner.class)
public class TestMyClass {
@Mock
private ILogger logger;
@InjectMocks
@Spy
private MyClass myClass = new MyClass();
@Before
public void init() throws Exception {
MockitoAnnotations.initMocks(this);
}
@Test
public void testMyClass() throws Exception {
try {
myClass.doSomething();
} catch (Exception e) {
fail("Should not have thrown any exceptions");
}
Mockito.verify(logger, Mockito.times(1)).error(Optional.empty(), "HANDLE_EXCEPTION", "Contains something specific");
}
}
這是我收到的錯誤。
org.mockito.exceptions.misusing.InvalidUseOfMatchersException:
Invalid use of argument matchers!
3 matchers expected, 1 recorded:
This exception may occur if matchers are combined with raw values:
//incorrect:
someMethod(anyObject(), "raw String");
When using matchers, all arguments have to be provided by matchers.
For example:
//correct:
someMethod(anyObject(), eq("String by matcher"));
嘗試過類似以下的操作,但存在相同的錯誤:
ArgumentCaptor<String> argument = ArgumentCaptor.forClass(String.class);
Mockito.verify(logger, Mockito.times(1)).error(Optional.empty(), "HANDLE_EXCEPTION", argument.capture());
在這種情況下,在logger
調用該error
方法的過程中,所有參數都必須matchers
。 這是一個使用matchers
並模擬一些Service類的示例:
@ExtendWith(MockitoExtension.class)
public class SomeTestClass {
private static class MyService {
public void error(Optional<String> op, String msg1, String msg2) {
}
}
@Test
void testMethod() {
MyService myService = Mockito.mock(MyService.class);
myService.error(Optional.empty(), "This is error", "Some error appeared");
Mockito.verify(myService, Mockito.times(1)).error(Mockito.any(), Mockito.eq("This is error"), Mockito.contains("error"));
}
}
這里Mockito.any()
, Mockito.eq()
, Mockito.contains()
是返回匹配器的方法。
要斷言該方法是使用包含給定子字符串的String
調用的,請使用Mockito.contains()
匹配器。 在這里,您可以找到有關使用Matchers的更多信息。
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