// Licensed to the Apache Software Foundation (ASF) under one
// or more contributor license agreements.  See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership.  The ASF licenses this file
// to you under the Apache License, Version 2.0 (the
// "License"); you may not use this file except in compliance
// with the License.  You may obtain a copy of the License at
//
//   http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing,
// software distributed under the License is distributed on an
// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
// KIND, either express or implied.  See the License for the
// specific language governing permissions and limitations
// under the License.

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

import java.util.List;
import java.util.UUID;

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

import com.cloud.utils.exception.CloudRuntimeException;

@RunWith(PowerMockRunner.class)
@PrepareForTest(value = {LibvirtStopCommandWrapper.class})
public class LibvirtStopCommandWrapperTest {

    @Spy
    LibvirtStopCommandWrapper wrapper = new LibvirtStopCommandWrapper();

    private String getTempFilepath() {
        return String.format("%s/%s.txt", System.getProperty("java.io.tmpdir"), UUID.randomUUID());
    }

    private void runTestRemoveDpdkPortForCommandInjection(String portWithCommand) {
        try {
            wrapper.removeDpdkPort(portWithCommand);
            Assert.fail(String.format("Command injection working for portWithCommand: %s", portWithCommand));
        } catch (CloudRuntimeException ignored) {}
    }

    @Test
    public void testRemoveDpdkPortForCommandInjection() {
        List<String> commandVariants = List.of(
                "';touch %s'",
                ";touch %s",
                "&& touch %s",
                "|| touch %s",
                UUID.randomUUID().toString());
        for (String cmd : commandVariants) {
            String portWithCommand = String.format(cmd, getTempFilepath());
            runTestRemoveDpdkPortForCommandInjection(portWithCommand);
        }
    }
}
