DeletionVerifierTest.java

package com.aconex.scrutineer;

import org.junit.Before;
import org.junit.Test;
import org.mockito.Mock;
import org.mockito.MockitoAnnotations;

import java.util.Arrays;
import java.util.List;

import static org.mockito.Matchers.any;
import static org.mockito.Mockito.times;
import static org.mockito.Mockito.verify;
import static org.mockito.Mockito.when;

public class DeletionVerifierTest {

    @Mock
    private IdAndVersionStreamVerifierListener listener;

    @Mock
    private IdAndVersionStream primaryDeletedStream, secondaryStream;

    @Mock
    private ExistenceChecker existenceChecker;


    @Before
    public void setUp() {
        MockitoAnnotations.initMocks(this);
    }

    @Test
    public void shouldConfirmADeleteWasMissed() {

        IdAndVersion expectedNotDeletedIdAndVersion = new LongIdAndVersion(2, 2);
        IdAndVersion expectedDeletedIdAndVersion = new LongIdAndVersion(1, 1);

        List<IdAndVersion> longIdAndVersions = Arrays.asList(expectedDeletedIdAndVersion, expectedNotDeletedIdAndVersion);
        when(primaryDeletedStream.iterator()).thenReturn(longIdAndVersions.iterator());

        when(existenceChecker.exists(expectedDeletedIdAndVersion)).thenReturn(false);
        when(existenceChecker.exists(expectedNotDeletedIdAndVersion)).thenReturn(true);

        DeletionVerifier deletionVerifier = new DeletionVerifier(primaryDeletedStream, existenceChecker, listener);

        deletionVerifier.verify();

        verify(existenceChecker, times(2)).exists(any(IdAndVersion.class));
        verify(primaryDeletedStream).close();
        verify(listener).onMissingInPrimaryStream(expectedNotDeletedIdAndVersion);
    }
}