ProgramGenerationStageTest.java

/*
 * Copyright © 2014-2016 Cask Data, Inc.
 *
 * 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 co.cask.cdap.internal.app.deploy.pipeline;

import co.cask.cdap.ToyApp;
import co.cask.cdap.api.app.ApplicationSpecification;
import co.cask.cdap.common.conf.CConfiguration;
import co.cask.cdap.common.conf.Constants;
import co.cask.cdap.common.io.Locations;
import co.cask.cdap.common.namespace.DefaultNamespacedLocationFactory;
import co.cask.cdap.common.namespace.NamespacedLocationFactory;
import co.cask.cdap.internal.DefaultId;
import co.cask.cdap.internal.app.ApplicationSpecificationAdapter;
import co.cask.cdap.internal.app.Specifications;
import co.cask.cdap.internal.io.ReflectionSchemaGenerator;
import co.cask.cdap.internal.pipeline.StageContext;
import co.cask.cdap.internal.test.AppJarHelper;
import co.cask.cdap.security.spi.authorization.NoOpAuthorizer;
import org.apache.twill.filesystem.LocalLocationFactory;
import org.apache.twill.filesystem.Location;
import org.apache.twill.filesystem.LocationFactory;
import org.junit.Assert;
import org.junit.ClassRule;
import org.junit.Test;
import org.junit.rules.TemporaryFolder;

/**
 * Tests the program generation stage of the deploy pipeline.
 */
public class ProgramGenerationStageTest {
  private static final CConfiguration cConf = CConfiguration.create();

  @ClassRule
  public static final TemporaryFolder TEMP_FOLDER = new TemporaryFolder();

  @Test
  public void testProgramGenerationForToyApp() throws Exception {
    cConf.set(Constants.AppFabric.OUTPUT_DIR, "programs");
    LocationFactory lf = new LocalLocationFactory(TEMP_FOLDER.newFolder());
    // have to do this since we are not going through the route of create namespace -> deploy application
    // in real scenarios, the namespace directory would already be created
    Location namespaceLocation = lf.create(DefaultId.APPLICATION.getNamespaceId());
    Locations.mkdirsIfNotExists(namespaceLocation);
    LocationFactory jarLf = new LocalLocationFactory(TEMP_FOLDER.newFolder());
    Location appArchive = AppJarHelper.createDeploymentJar(jarLf, ToyApp.class);
    ApplicationSpecification appSpec = Specifications.from(new ToyApp());
    ApplicationSpecificationAdapter adapter = ApplicationSpecificationAdapter.create(new ReflectionSchemaGenerator());
    ApplicationSpecification newSpec = adapter.fromJson(adapter.toJson(appSpec));
    NamespacedLocationFactory namespacedLocationFactory = new DefaultNamespacedLocationFactory(cConf, lf);
    ProgramGenerationStage pgmStage = new ProgramGenerationStage(cConf, namespacedLocationFactory,
                                                                 new NoOpAuthorizer());
    pgmStage.process(new StageContext(Object.class));  // Can do better here - fixed right now to run the test.
    pgmStage.process(new ApplicationDeployable(DefaultId.APPLICATION, newSpec, null,
                                               ApplicationDeployScope.USER, appArchive));
    Assert.assertTrue(true);
  }

}