com.datatorrent.stram.client.AppPackageTest.java Source code

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Here is the source code for com.datatorrent.stram.client.AppPackageTest.java

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/**
 * 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.datatorrent.stram.client;

import com.datatorrent.stram.support.StramTestSupport;
import com.datatorrent.stram.util.JSONSerializationProvider;
import net.lingala.zip4j.exception.ZipException;
import org.apache.commons.io.FileUtils;
import org.apache.commons.io.IOUtils;
import org.codehaus.jettison.json.JSONException;
import org.codehaus.jettison.json.JSONObject;
import org.junit.Assert;
import org.junit.Test;

import java.io.File;
import java.io.IOException;
import java.util.List;
import java.util.Set;
import org.junit.AfterClass;
import org.junit.BeforeClass;

/**
 *
 */
public class AppPackageTest {
    private static AppPackage ap;
    //yet another app package which retains the files
    private static AppPackage yap;
    private static JSONSerializationProvider jomp;
    private static JSONObject json;

    String appPackageDir = "src/test/resources/testAppPackage/mydtapp";

    @BeforeClass
    public static void starting() {
        try {
            File file = StramTestSupport.createAppPackageFile();
            // Set up test instance
            ap = new AppPackage(file, true);
            // set up another instance
            File testfolder = new File("target/testapp");
            yap = new AppPackage(file, testfolder, false);
            jomp = new JSONSerializationProvider();
            json = new JSONObject(jomp.getContext(null).writeValueAsString(ap));

        } catch (ZipException e) {
            throw new RuntimeException(e);
        } catch (IOException e) {
            throw new RuntimeException(e);
        } catch (JSONException e) {
            throw new RuntimeException(e);
        } finally {
            IOUtils.closeQuietly(ap);
            IOUtils.closeQuietly(yap);
        }
    }

    @AfterClass
    public static void finished() {
        StramTestSupport.removeAppPackageFile();
    }

    @Test
    public void testAppPackage() throws Exception {
        Assert.assertEquals("com.example", json.getString("appPackageGroupId"));
        Assert.assertEquals("mydtapp", json.getString("appPackageName"));
        Assert.assertEquals("1.0-SNAPSHOT", json.getString("appPackageVersion"));
        Assert.assertEquals("3.2.0-incubating", json.getString("dtEngineVersion"));
        Assert.assertEquals("lib/*.jar", json.getJSONArray("classPath").getString(0));

        JSONObject application = json.getJSONArray("applications").getJSONObject(0);
        Assert.assertEquals("MyFirstApplication", application.getString("name"));
        Assert.assertEquals("mydtapp-1.0-SNAPSHOT.jar", application.getString("file"));

        JSONObject dag = application.getJSONObject("dag");
        Assert.assertTrue("There is at least one stream", dag.getJSONArray("streams").length() >= 1);
        Assert.assertEquals("There are two operator", 2, dag.getJSONArray("operators").length());

        Assert.assertTrue("app package extraction folder should be retained", new File("target/testapp").exists());
        yap.cleanContent();
        Assert.assertTrue("app package extraction folder should be removed", !new File("target/testapp").exists());
    }

    @Test
    public void testRequiredProperties() {
        Set<String> requiredProperties = ap.getRequiredProperties();
        Assert.assertEquals(2, requiredProperties.size());
        String[] rp = requiredProperties.toArray(new String[] {});
        Assert.assertEquals("dt.test.required.1", rp[0]);
        Assert.assertEquals("dt.test.required.2", rp[1]);
    }

    @Test
    public void testAppLevelRequiredProperties() {
        List<AppPackage.AppInfo> applications = ap.getApplications();
        for (AppPackage.AppInfo app : applications) {
            if (app.name.equals("MyFirstApplication")) {
                String[] rp = app.requiredProperties.toArray(new String[] {});
                Assert.assertEquals("dt.test.required.2", rp[0]);
                Assert.assertEquals("dt.test.required.3", rp[1]);
                Assert.assertEquals("app-default-for-required-1", app.defaultProperties.get("dt.test.required.1"));
                return;
            }
        }
        Assert.fail("Should consist of an app called MyFirstApplication");
    }
}