使用 Mockito 时验证空行失败

Question

Tried to test my client with this following test:

private static final HttpPost EXPECTED_POST = new HttpPost(someURI);

    @Test
    public void sendingPostRequest() throws IOException {
        classUnderTest.takeParamsAndSend(REQUEST_STRING);
        verify(client).execute(EXPECTED_POST);
        verifyNoMoreInteractions(client);
    }

And in the production code it's something like this:

URI uri = createURI();
HttpPost post = new HttpPost(uri);
return client.execute(post);

The result is a "Comparison Failure" on the same execute and on the actual, there is an empty row. Looks something like this: expected:

"client.execute(
    POST somePostRequest HTTP/1.1
);"

actual:

"client.execute(
   POST somePostRequest HTTP/1.1
);
"

Answer 1

edit: as stated in comments, most Apache HTTP client API classes does not override java.lang.Object#equals , hence you cannot reliably use org.mockito.ArgumentMatchers#eq(T) . You will want to use org.mockito.ArgumentMatchers#argThat matcher, defining your equality condition in the predicate.

Here is how I tested it:

import static org.mockito.ArgumentMatchers.argThat;

//...
@Test
  void stackOverflow64222693() {

    // Given
    HttpClient client = mock(HttpClient.class);
    URI        uri    = URI.create("https://stackoverflow.com/questions/64222693");
    HttpPost   post   = new HttpPost(uri);

    // When
    client.execute(post);

    // Then
    URI      expectedUri  = URI.create("https://stackoverflow.com/questions/64222693");
    HttpPost expectedPost = new HttpPost(expectedUri);

    verify(client).execute(argThat(argument -> argument.getURI().equals(expectedPost.getURI()) &&
                                               argument.getMethod().equals(expectedPost.getMethod()) &&
                                               Arrays.equals(argument.getAllHeaders(), expectedPost.getAllHeaders()) &&
                                               argument.getProtocolVersion().equals(expectedPost.getProtocolVersion())));
  }