package com.thinkbiganalytics.spark.rest;
/*-
* #%L
* thinkbig-spark-shell-client-app
* %%
* Copyright (C) 2017 ThinkBig Analytics
* %%
* 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.
* #L%
*/
import com.thinkbiganalytics.spark.metadata.TransformJob;
import com.thinkbiganalytics.spark.rest.model.TransformRequest;
import com.thinkbiganalytics.spark.rest.model.TransformResponse;
import com.thinkbiganalytics.spark.service.TransformService;
import org.junit.Assert;
import org.junit.Test;
import org.mockito.Mockito;
import javax.script.ScriptException;
import javax.ws.rs.core.Response;
public class SparkShellTransformControllerTest {
/**
* Verify requesting a Spark transformation.
*/
@Test
public void create() throws Exception {
// Mock transform objects
TransformRequest transformRequest = new TransformRequest();
transformRequest.setScript("sqlContext.sql(\"SELECT * FROM invalid\")");
TransformResponse transformResponse = new TransformResponse();
transformResponse.setProgress(0.0);
transformResponse.setStatus(TransformResponse.Status.PENDING);
transformResponse.setTable("results");
TransformService transformService = Mockito.mock(TransformService.class);
Mockito.when(transformService.execute(transformRequest)).thenReturn(transformResponse);
// Test transforming
SparkShellTransformController controller = new SparkShellTransformController();
controller.transformService = transformService;
Response response = controller.create(transformRequest);
Assert.assertEquals(Response.Status.OK, response.getStatusInfo());
Assert.assertEquals(transformResponse, response.getEntity());
}
/**
* Verify response if missing parent script.
*/
@Test
public void createWithMissingParentScript() {
// Create transform request
TransformRequest request = new TransformRequest();
request.setScript("parent");
request.setParent(new TransformRequest.Parent());
// Test missing parent script
SparkShellTransformController controller = new SparkShellTransformController();
Response response = controller.create(request);
Assert.assertEquals(Response.Status.BAD_REQUEST, response.getStatusInfo());
TransformResponse entity = (TransformResponse) response.getEntity();
Assert.assertEquals("The parent must include a script with the transformations performed.", entity.getMessage());
Assert.assertEquals(TransformResponse.Status.ERROR, entity.getStatus());
}
/**
* Verify response if missing parent table.
*/
@Test
public void createWithMissingParentTable() {
// Create transform request
TransformRequest request = new TransformRequest();
request.setScript("parent");
TransformRequest.Parent parent = new TransformRequest.Parent();
parent.setScript("sqlContext.sql(\"SELECT * FROM invalid\")");
request.setParent(parent);
// Test missing parent table
SparkShellTransformController controller = new SparkShellTransformController();
Response response = controller.create(request);
Assert.assertEquals(Response.Status.BAD_REQUEST, response.getStatusInfo());
TransformResponse entity = (TransformResponse) response.getEntity();
Assert.assertEquals("The parent must include the table containing the results.", entity.getMessage());
Assert.assertEquals(TransformResponse.Status.ERROR, entity.getStatus());
}
/**
* Verify response if missing script.
*/
@Test
public void createWithMissingScript() {
SparkShellTransformController controller = new SparkShellTransformController();
Response response = controller.create(new TransformRequest());
Assert.assertEquals(Response.Status.BAD_REQUEST, response.getStatusInfo());
TransformResponse entity = (TransformResponse) response.getEntity();
Assert.assertEquals("The request must include a script with the transformations to perform.", entity.getMessage());
Assert.assertEquals(TransformResponse.Status.ERROR, entity.getStatus());
}
/**
* Verify response if a script exception is thrown.
*/
@Test
public void createWithScriptException() throws Exception {
// Create transform objects
TransformRequest request = new TransformRequest();
request.setScript("sqlContext.sql(\"SELECT * FROM invalid\")");
TransformService transformService = Mockito.mock(TransformService.class);
Mockito.when(transformService.execute(request)).thenThrow(new ScriptException("Invalid script"));
// Test script exception
SparkShellTransformController controller = new SparkShellTransformController();
controller.transformService = transformService;
Response response = controller.create(request);
Assert.assertEquals(Response.Status.INTERNAL_SERVER_ERROR, response.getStatusInfo());
TransformResponse entity = (TransformResponse) response.getEntity();
Assert.assertEquals("Invalid script", entity.getMessage());
Assert.assertEquals(TransformResponse.Status.ERROR, entity.getStatus());
}
/**
* Verify requesting a transformation status.
*/
@Test
public void getTable() throws Exception {
// Mock transform objects
TransformJob pendingJob = Mockito.mock(TransformJob.class);
Mockito.when(pendingJob.groupId()).thenReturn("PendingJob");
Mockito.when(pendingJob.progress()).thenReturn(0.5);
TransformJob successJob = Mockito.mock(TransformJob.class);
TransformResponse successResponse = new TransformResponse();
Mockito.when(successJob.get()).thenReturn(successResponse);
Mockito.when(successJob.isDone()).thenReturn(true);
TransformService transformService = Mockito.mock(TransformService.class);
Mockito.when(transformService.getJob("PendingJob")).thenReturn(pendingJob);
Mockito.when(transformService.getJob("SuccessJob")).thenReturn(successJob);
// Test with pending job
SparkShellTransformController controller = new SparkShellTransformController();
controller.transformService = transformService;
Response response = controller.getTable("PendingJob");
Assert.assertEquals(Response.Status.OK, response.getStatusInfo());
TransformResponse transformResponse = (TransformResponse) response.getEntity();
Assert.assertEquals(0.5, transformResponse.getProgress(), 0.001);
Assert.assertEquals(TransformResponse.Status.PENDING, transformResponse.getStatus());
Assert.assertEquals("PendingJob", transformResponse.getTable());
// Test with success job
response = controller.getTable("SuccessJob");
Assert.assertEquals(successResponse, response.getEntity());
Assert.assertEquals(Response.Status.OK, response.getStatusInfo());
}
}