mockReferralData.setKey(key);
            String retrievedKey = mockReferralData.getKey();

            assertEquals(key, retrievedKey);
            verify(mockReferralData, times(1)).setKey(key);
            verify(mockReferralData, times(1)).getKey();

            // Test with concrete implementation
            concreteImplementation.setKey(key);
            assertEquals(key, concreteImplementation.getKey());
        }

read_query["/items/"]

query_extractor --> query_or_cookie_extractor --> read_query
```

## Using the same dependency multiple times { #using-the-same-dependency-multiple-times }

If one of your dependencies is declared multiple times for the same *path operation*, for example, multiple dependencies have a common sub-dependency, **FastAPI** will know to call that sub-dependency only once per request.

        requestWithPath.setResolveInDfs(true);
        verify(requestWithPath, times(1)).setResolveInDfs(true);

        doNothing().when(requestWithPath).setResolveInDfs(false);
        requestWithPath.setResolveInDfs(false);
        verify(requestWithPath, times(1)).setResolveInDfs(false);

        // Test with implementation
        testImplementation.setResolveInDfs(true);

        // Verify precise interactions
        verify(mockEntry, times(1)).getName();
        verify(mockEntry, times(2)).getType();
        verify(mockEntry, times(1)).getAttributes();
        verify(mockEntry, times(1)).createTime();
        verify(mockEntry, times(1)).lastModified();
        verify(mockEntry, times(1)).lastAccess();
        verify(mockEntry, times(1)).length();
        verify(mockEntry, never()).getFileIndex();

        handle.close();
        verify(treeConnection, times(1)).release();

        // Second release -> usage 0 -> -1 triggers RuntimeCIFSException
        RuntimeCIFSException ex = assertThrows(RuntimeCIFSException.class, () -> handle.release());
        assertTrue(ex.getMessage().contains("below zero"));
        verify(treeConnection, times(1)).release(); // still only once
    }

    @Test

            assertNotNull(handle);
            // Verify that sendrecv was called with MsrpcSamrConnect4 and then MsrpcSamrConnect2
            verify(mockHandle, times(1)).sendrecv(any(MsrpcSamrConnect4.class));
            verify(mockHandle, times(1)).sendrecv(any(MsrpcSamrConnect2.class));
        }
    }

    @Test
    void testConstructor_OtherDcerpcException() throws DcerpcException, IOException {

            assertSame(tree, t1);
            assertSame(tree, t2);
        }

        // Assert: pipe.ensureTreeConnected invoked once, acquire twice
        verify(pipe, times(1)).ensureTreeConnected();
        verify(tree, times(2)).acquire();
    }

    @Test
    @DisplayName("isOpen and isStale reflect underlying handle validity")
    void testIsOpenAndIsStale() throws CIFSException {

            assertDoesNotThrow(mockSession::close);

            verify(mockSession, times(1)).getConfig();
            verify(mockSession, times(1)).getContext();
            verify(mockSession, times(1)).unwrap(SmbSession.class);
            verify(mockSession, times(1)).close();
        }

        @Test
        @DisplayName("Should support partial mocking scenarios")

import static org.junit.jupiter.api.Assertions.assertThrows;
import static org.junit.jupiter.api.Assertions.assertTrue;
import static org.mockito.Mockito.doThrow;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.times;
import static org.mockito.Mockito.verify;
import static org.mockito.Mockito.when;

import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;
import java.util.List;

import static org.junit.jupiter.api.Assertions.assertTrue;
import static org.mockito.ArgumentMatchers.anyString;
import static org.mockito.ArgumentMatchers.eq;
import static org.mockito.Mockito.doThrow;
import static org.mockito.Mockito.times;
import static org.mockito.Mockito.verify;
import static org.mockito.Mockito.when;

import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.DisplayName;
import org.junit.jupiter.api.Test;