plugins/integrations/kubernetes-service/src/test/java/com/cloud/kubernetes/cluster/utils/KubernetesClusterUtilTest.java

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package com.cloud.kubernetes.cluster.utils;

import java.io.File;

import org.junit.Assert;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.mockito.Mockito;
import org.powermock.api.mockito.PowerMockito;
import org.powermock.core.classloader.annotations.PrepareForTest;
import org.powermock.modules.junit4.PowerMockRunner;

import com.cloud.utils.Pair;
import com.cloud.utils.ssh.SshHelper;

@RunWith(PowerMockRunner.class)
@PrepareForTest(SshHelper.class)
public class KubernetesClusterUtilTest {
    String ipAddress = "10.1.1.1";
    int port = 2222;
    String user = "user";
    File sshKeyFile = Mockito.mock(File.class);
    String hostName = "host";

    private void mockSshHelperExecuteThrowAndTestVersionMatch() {
        Pair<Boolean, String> resultPair = null;
        boolean result = KubernetesClusterUtil.clusterNodeVersionMatches(resultPair, "1.24.0");
        Assert.assertFalse(result);
    }

    private void mockSshHelperExecuteAndTestVersionMatch(boolean status, String response, boolean expectedResult) {
        Pair<Boolean, String> resultPair = new Pair<>(status, response);
        boolean result = KubernetesClusterUtil.clusterNodeVersionMatches(resultPair, "1.24.0");
        Assert.assertEquals(expectedResult, result);
    }

    @Test
    public void testClusterNodeVersionMatches() {
        PowerMockito.mockStatic(SshHelper.class);
        String v1233WorkerNodeOutput = "v1.23.3";
        String v1240WorkerNodeOutput = "v1.24.0";
        mockSshHelperExecuteAndTestVersionMatch(true, v1240WorkerNodeOutput, true);

        mockSshHelperExecuteAndTestVersionMatch(true, v1233WorkerNodeOutput, false);

        mockSshHelperExecuteAndTestVersionMatch(false, v1240WorkerNodeOutput, false);

        mockSshHelperExecuteAndTestVersionMatch(false, v1233WorkerNodeOutput, false);

        mockSshHelperExecuteThrowAndTestVersionMatch();
    }
}