engine/schema/src/test/java/com/cloud/vm/dao/VMInstanceDetailsDaoImplTest.java

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package com.cloud.vm.dao;

import static org.mockito.ArgumentMatchers.any;
import static org.mockito.ArgumentMatchers.anyString;
import static org.mockito.Mockito.doReturn;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.when;

import org.junit.Assert;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.mockito.InjectMocks;
import org.mockito.Mockito;
import org.mockito.Spy;
import org.mockito.junit.MockitoJUnitRunner;

import com.cloud.utils.db.SearchBuilder;
import com.cloud.utils.db.SearchCriteria;
import com.cloud.vm.VMInstanceDetailVO;

@RunWith(MockitoJUnitRunner.class)
public class VMInstanceDetailsDaoImplTest {
    @Spy
    @InjectMocks
    private VMInstanceDetailsDaoImpl vmInstanceDetailsDaoImpl;

    @Test
    public void removeDetailsWithPrefixReturnsZeroWhenPrefixIsBlank() {
        Assert.assertEquals(0, vmInstanceDetailsDaoImpl.removeDetailsWithPrefix(1L, ""));
        Assert.assertEquals(0, vmInstanceDetailsDaoImpl.removeDetailsWithPrefix(1L, "   "));
        Assert.assertEquals(0, vmInstanceDetailsDaoImpl.removeDetailsWithPrefix(1L, null));
    }

    @Test
    public void removeDetailsWithPrefixRemovesMatchingDetails() {
        SearchBuilder<VMInstanceDetailVO> sb = mock(SearchBuilder.class);
        VMInstanceDetailVO entity = mock(VMInstanceDetailVO.class);
        when(sb.entity()).thenReturn(entity);
        when(sb.and(anyString(), any(), any(SearchCriteria.Op.class))).thenReturn(sb);
        SearchCriteria<VMInstanceDetailVO> sc = mock(SearchCriteria.class);
        when(sb.create()).thenReturn(sc);
        when(vmInstanceDetailsDaoImpl.createSearchBuilder()).thenReturn(sb);
        doReturn(3).when(vmInstanceDetailsDaoImpl).remove(sc);
        int removedCount = vmInstanceDetailsDaoImpl.removeDetailsWithPrefix(1L, "testPrefix");
        Assert.assertEquals(3, removedCount);
        Mockito.verify(sc).setParameters("vmId", 1L);
        Mockito.verify(sc).setParameters("prefix", "testPrefix%");
        Mockito.verify(vmInstanceDetailsDaoImpl, Mockito.times(1)).remove(sc);
    }

    @Test
    public void removeDetailsWithPrefixDoesNotRemoveWhenNoMatch() {
        SearchBuilder<VMInstanceDetailVO> sb = mock(SearchBuilder.class);
        VMInstanceDetailVO entity = mock(VMInstanceDetailVO.class);
        when(sb.entity()).thenReturn(entity);
        when(sb.and(anyString(), any(), any(SearchCriteria.Op.class))).thenReturn(sb);
        SearchCriteria<VMInstanceDetailVO> sc = mock(SearchCriteria.class);
        when(sb.create()).thenReturn(sc);
        when(vmInstanceDetailsDaoImpl.createSearchBuilder()).thenReturn(sb);
        doReturn(0).when(vmInstanceDetailsDaoImpl).remove(sc);

        int removedCount = vmInstanceDetailsDaoImpl.removeDetailsWithPrefix(1L, "nonExistentPrefix");

        Assert.assertEquals(0, removedCount);
        Mockito.verify(sc).setParameters("vmId", 1L);
        Mockito.verify(sc).setParameters("prefix", "nonExistentPrefix%");
        Mockito.verify(vmInstanceDetailsDaoImpl, Mockito.times(1)).remove(sc);
    }
}