com.vmware.photon.controller.cloudstore.xenon.helpers.TestEnvironment.java Source code

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Here is the source code for com.vmware.photon.controller.cloudstore.xenon.helpers.TestEnvironment.java

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/*
 * Copyright 2015 VMware, Inc. All Rights Reserved.
 *
 * Licensed 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.vmware.photon.controller.cloudstore.xenon.helpers;

import com.vmware.photon.controller.cloudstore.xenon.CloudStoreServiceGroup;
import com.vmware.photon.controller.cloudstore.xenon.entity.HostService;
import com.vmware.photon.controller.common.clients.AgentControlClientFactory;
import com.vmware.photon.controller.common.clients.HostClientFactory;
import com.vmware.photon.controller.common.xenon.MultiHostEnvironment;
import com.vmware.photon.controller.common.xenon.host.PhotonControllerXenonHost;
import com.vmware.photon.controller.common.xenon.host.XenonConfig;
import com.vmware.photon.controller.common.xenon.scheduler.TaskSchedulerServiceStateBuilder;

import org.apache.commons.io.FileUtils;
import static org.mockito.Mockito.mock;
import static org.testng.Assert.assertTrue;

import java.io.File;
import java.util.concurrent.TimeUnit;

/**
 * TestMachine class hosting a Xenon host.
 */
public class TestEnvironment extends MultiHostEnvironment<PhotonControllerXenonHost> {

    private TestEnvironment(int hostCount, HostClientFactory hostClientFactory,
            AgentControlClientFactory agentControlClientFactory) throws Throwable {

        assertTrue(hostCount > 0);
        hosts = new PhotonControllerXenonHost[hostCount];
        for (int i = 0; i < hosts.length; i++) {

            String sandbox = generateStorageSandboxPath();
            FileUtils.forceMkdir(new File(sandbox));

            XenonConfig xenonConfig = new XenonConfig();
            xenonConfig.setBindAddress(BIND_ADDRESS);
            xenonConfig.setPort(0);
            xenonConfig.setStoragePath(sandbox);

            hosts[i] = new PhotonControllerXenonHost(xenonConfig, hostClientFactory, agentControlClientFactory,
                    null, null);
            CloudStoreServiceGroup cloudStoreServiceGroup = new CloudStoreServiceGroup();
            hosts[i].registerCloudStore(cloudStoreServiceGroup);
        }
        // Disable host ping: we have fake hosts and don't want them to be marked as missing
        HostService.setInUnitTests(true);

        TaskSchedulerServiceStateBuilder.triggerInterval = TimeUnit.MILLISECONDS.toMicros(500);
    }

    public static TestEnvironment create(int hostCount) throws Throwable {
        Builder builder = new Builder();
        builder.hostCount(hostCount);
        return builder.build();
    }

    /**
     * Utility class to build objects of TestEnvironment.
     */
    public static class Builder {
        private int hostCount;
        private HostClientFactory hostClientFactory;
        private AgentControlClientFactory agentControlClientFactory;

        public Builder hostCount(int hostCount) {
            this.hostCount = hostCount;
            return this;
        }

        public Builder hostClientFactory(HostClientFactory hostClientFactory) {
            this.hostClientFactory = hostClientFactory;
            return this;
        }

        public Builder agentControlClientFactory(AgentControlClientFactory agentControlClientFactory) {
            this.agentControlClientFactory = agentControlClientFactory;
            return this;
        }

        public TestEnvironment build() throws Throwable {
            int hostCount = this.hostCount;
            if (this.hostCount == 0) {
                hostCount = 1;
            }

            HostClientFactory hostClientFactory = this.hostClientFactory;
            if (this.hostClientFactory == null) {
                hostClientFactory = mock(HostClientFactory.class);
            }

            AgentControlClientFactory agentControlClientFactory = this.agentControlClientFactory;
            if (this.agentControlClientFactory == null) {
                agentControlClientFactory = mock(AgentControlClientFactory.class);
            }

            TestEnvironment testEnvironment = new TestEnvironment(hostCount, hostClientFactory,
                    agentControlClientFactory);
            testEnvironment.start();
            return testEnvironment;
        }
    }
}