com.streamsets.datacollector.execution.dagger.TestPipelineManagerModule.java Source code

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/**
 * Copyright 2015 StreamSets Inc.
 *
 * Licensed under 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.streamsets.datacollector.execution.dagger;

import com.streamsets.datacollector.config.PipelineConfiguration;
import com.streamsets.datacollector.execution.Manager;
import com.streamsets.datacollector.execution.PipelineStatus;
import com.streamsets.datacollector.execution.Previewer;
import com.streamsets.datacollector.execution.Runner;
import com.streamsets.datacollector.execution.manager.PipelineManagerException;
import com.streamsets.datacollector.execution.manager.slave.SlavePipelineManager;
import com.streamsets.datacollector.execution.manager.standalone.StandaloneAndClusterPipelineManager;
import com.streamsets.datacollector.execution.runner.common.AsyncRunner;
import com.streamsets.datacollector.execution.runner.standalone.StandaloneRunner;
import com.streamsets.datacollector.main.MainSlavePipelineManagerModule;
import com.streamsets.datacollector.main.MainStandalonePipelineManagerModule;
import com.streamsets.datacollector.main.PipelineTask;
import com.streamsets.datacollector.main.RuntimeInfo;
import com.streamsets.datacollector.main.RuntimeModule;
import com.streamsets.datacollector.store.PipelineStoreException;
import com.streamsets.datacollector.store.PipelineStoreTask;
import com.streamsets.datacollector.store.impl.SlavePipelineStoreTask;
import com.streamsets.datacollector.task.TaskWrapper;
import com.streamsets.datacollector.util.PipelineException;

import dagger.ObjectGraph;

import org.apache.commons.io.FileUtils;
import org.junit.After;
import org.junit.Assert;
import org.junit.Before;
import org.junit.Test;
import org.mockito.Mockito;

import java.io.File;
import java.io.IOException;
import java.util.UUID;

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNull;

public class TestPipelineManagerModule {

    @Before
    public void setup() throws IOException {
        File testDir = new File("target", UUID.randomUUID().toString()).getAbsoluteFile();
        Assert.assertTrue(testDir.mkdirs());
        System.setProperty(RuntimeModule.SDC_PROPERTY_PREFIX + RuntimeInfo.DATA_DIR, testDir.getAbsolutePath());
    }

    @After
    public void tearDown() throws Exception {
        File f = new File(System.getProperty(RuntimeModule.SDC_PROPERTY_PREFIX + RuntimeInfo.DATA_DIR));
        FileUtils.deleteDirectory(f);
        System.getProperties().remove(RuntimeModule.SDC_PROPERTY_PREFIX + RuntimeInfo.DATA_DIR);
    }

    @Test
    public void testStandalonePipelineManagerModule() throws PipelineException {
        //Start SDC and get an instance of PipelineTask
        ObjectGraph objectGraph = ObjectGraph.create(MainStandalonePipelineManagerModule.class);
        TaskWrapper taskWrapper = objectGraph.get(TaskWrapper.class);
        Assert.assertTrue(taskWrapper.getTask() instanceof PipelineTask);

        //Get an instance of manager
        taskWrapper.init();
        PipelineTask pipelineTask = (PipelineTask) taskWrapper.getTask();
        Manager pipelineManager = pipelineTask.getManager();
        Assert.assertTrue(pipelineManager instanceof StandaloneAndClusterPipelineManager);

        PipelineStoreTask pipelineStoreTask = pipelineTask.getPipelineStoreTask();
        PipelineConfiguration pc = pipelineStoreTask.create("user", "p1", "description", false);
        //Create previewer
        Previewer previewer = pipelineManager.createPreviewer("user", "p1", "1");
        assertEquals(previewer, pipelineManager.getPreviewer(previewer.getId()));
        ((StandaloneAndClusterPipelineManager) pipelineManager).outputRetrieved(previewer.getId());
        assertNull(pipelineManager.getPreviewer(previewer.getId()));

        pipelineStoreTask.save("user", "p1", "0", "description", pc);

        //create Runner
        Runner runner = pipelineManager.getRunner("user", "p1", "0");
        Assert.assertTrue(runner instanceof AsyncRunner);

        runner = ((AsyncRunner) runner).getRunner();
        Assert.assertTrue(runner instanceof StandaloneRunner);

        Assert.assertEquals(PipelineStatus.EDITED, runner.getState().getStatus());
        Assert.assertEquals("p1", runner.getName());
        Assert.assertEquals("0", runner.getRev());
    }

    @Test
    public void testSlavePipelineManagerModule() throws PipelineStoreException, PipelineManagerException {
        ObjectGraph objectGraph = ObjectGraph.create(MainSlavePipelineManagerModule.class);
        TaskWrapper taskWrapper = objectGraph.get(TaskWrapper.class);
        taskWrapper.init();
        Assert.assertTrue(taskWrapper.getTask() instanceof PipelineTask);
        PipelineTask pipelineTask = (PipelineTask) taskWrapper.getTask();
        Manager pipelineManager = pipelineTask.getManager();
        Assert.assertTrue(pipelineManager instanceof SlavePipelineManager);

        try {
            pipelineManager.createPreviewer("user", "p1", "1");
            Assert.fail("Expected UnsupportedOperationException");
        } catch (UnsupportedOperationException e) {

        }

        PipelineStoreTask pipelineStoreTask = pipelineTask.getPipelineStoreTask();
        Assert.assertTrue(pipelineStoreTask instanceof SlavePipelineStoreTask);

        try {
            pipelineStoreTask.create("user", "p1", "description", false);
            Assert.fail("Expected UnsupportedOperationException");
        } catch (UnsupportedOperationException e) {

        }

        try {
            pipelineStoreTask.save("user", "p1", "0", "description", Mockito.mock(PipelineConfiguration.class));
            Assert.fail("Expected UnsupportedOperationException");
        } catch (UnsupportedOperationException e) {

        }

        Runner runner = pipelineManager.getRunner("user", "p1", "0");
        Assert.assertTrue(runner instanceof AsyncRunner);

        AsyncRunner asyncRunner = (AsyncRunner) runner;

        Assert.assertEquals(PipelineStatus.EDITED, asyncRunner.getState().getStatus());
        Assert.assertEquals("p1", asyncRunner.getName());
        Assert.assertEquals("0", asyncRunner.getRev());
    }
}