plugins/hypervisors/kvm/src/test/java/com/cloud/hypervisor/kvm/resource/wrapper/LibvirtUtilitiesHelperTest.java

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package com.cloud.hypervisor.kvm.resource.wrapper;

import org.junit.Assert;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.libvirt.Connect;
import org.libvirt.LibvirtException;
import org.mockito.Mock;
import org.mockito.Mockito;
import org.powermock.modules.junit4.PowerMockRunner;

import com.cloud.utils.Pair;

import junit.framework.TestCase;

@RunWith(PowerMockRunner.class)
public class LibvirtUtilitiesHelperTest extends TestCase {

    LibvirtUtilitiesHelper libvirtUtilitiesHelperSpy = Mockito.spy(LibvirtUtilitiesHelper.class);

    @Mock
    Connect connectMock;

    @Test
    public void validateIsLibvirtVersionEqualOrHigherThanVersionInParameterExceptionOnRetrievingLibvirtVersionReturnsFalse() throws LibvirtException {
        Mockito.doThrow(LibvirtException.class).when(connectMock).getLibVirVersion();
        Pair<String, Boolean> result = LibvirtUtilitiesHelper.isLibvirtVersionEqualOrHigherThanVersionInParameter(connectMock, 0l);

        Assert.assertEquals("Unknown due to [null]", result.first());
        Assert.assertFalse(result.second());
    }

    @Test
    public void validateIsLibvirtVersionEqualOrHigherThanVersionInParameterLibvirtVersionIsLowerThanParameterReturnsFalse() throws LibvirtException {
        long libvirtVersion = 9l;
        Mockito.doReturn(libvirtVersion).when(connectMock).getLibVirVersion();
        Pair<String, Boolean> result = LibvirtUtilitiesHelper.isLibvirtVersionEqualOrHigherThanVersionInParameter(connectMock, 10l);

        Assert.assertEquals(String.valueOf(libvirtVersion), result.first());
        Assert.assertFalse(result.second());
    }

    @Test
    public void validateIsLibvirtVersionEqualOrHigherThanVersionInParameterLibvirtVersionIsEqualsToParameterReturnsTrue() throws LibvirtException {
        long libvirtVersion = 10l;
        Mockito.doReturn(libvirtVersion).when(connectMock).getLibVirVersion();
        Pair<String, Boolean> result = LibvirtUtilitiesHelper.isLibvirtVersionEqualOrHigherThanVersionInParameter(connectMock, 10l);

        Assert.assertEquals(String.valueOf(libvirtVersion), result.first());
        Assert.assertTrue(result.second());
    }

    @Test
    public void validateIsLibvirtVersionEqualOrHigherThanVersionInParameterLibvirtVersionIsHigherThanParameterReturnsTrue() throws LibvirtException {
        long libvirtVersion = 11l;
        Mockito.doReturn(libvirtVersion).when(connectMock).getLibVirVersion();
        Pair<String, Boolean> result = LibvirtUtilitiesHelper.isLibvirtVersionEqualOrHigherThanVersionInParameter(connectMock, 10l);

        Assert.assertEquals(String.valueOf(libvirtVersion), result.first());
        Assert.assertTrue(result.second());
    }
}