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From chinmaykolhatkar <...@git.apache.org>
Subject [GitHub] incubator-apex-malhar pull request: MLHR-1962 json parser enhancem...
Date Wed, 03 Feb 2016 08:00:31 GMT
Github user chinmaykolhatkar commented on a diff in the pull request:

    https://github.com/apache/incubator-apex-malhar/pull/163#discussion_r51689049
  
    --- Diff: contrib/src/test/java/com/datatorrent/contrib/parser/JsonParserTest.java ---
    @@ -0,0 +1,414 @@
    +/**
    + * 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.contrib.parser;
    +
    +import java.util.Date;
    +import java.util.List;
    +import java.util.Map;
    +
    +import org.codehaus.jettison.json.JSONException;
    +import org.codehaus.jettison.json.JSONObject;
    +import org.junit.Assert;
    +import org.junit.Rule;
    +import org.junit.Test;
    +import org.junit.rules.TestWatcher;
    +import org.junit.runner.Description;
    +
    +import com.fasterxml.jackson.annotation.JsonFormat;
    +
    +import com.datatorrent.lib.appdata.schemas.SchemaUtils;
    +import com.datatorrent.lib.testbench.CollectorTestSink;
    +import com.datatorrent.lib.util.KeyValPair;
    +
    +public class JsonParserTest
    +{
    +  private static final String filename = "json-parser-schema.json";
    +  CollectorTestSink<Object> error = new CollectorTestSink<Object>();
    +  CollectorTestSink<Object> objectPort = new CollectorTestSink<Object>();
    +  CollectorTestSink<Object> pojoPort = new CollectorTestSink<Object>();
    +  JsonParser parser = new JsonParser();
    +
    +  @Rule
    +  public Watcher watcher = new Watcher();
    +
    +  public class Watcher extends TestWatcher
    +  {
    +    @Override
    +    protected void starting(Description description)
    +    {
    +      super.starting(description);
    +      parser.err.setSink(error);
    +      parser.parsedOutput.setSink(objectPort);
    +      parser.out.setSink(pojoPort);
    +      parser.setClazz(Product.class);
    +      parser.setJsonSchema(SchemaUtils.jarResourceFileToString(filename));
    +      parser.setup(null);
    +    }
    +
    +    @Override
    +    protected void finished(Description description)
    +    {
    +      super.finished(description);
    +      error.clear();
    +      objectPort.clear();
    +      pojoPort.clear();
    +      parser.teardown();
    +    }
    +  }
    +
    +  @Test
    +  public void testValidInput() throws JSONException
    +  {
    +    String tuple = "{" + "\"id\": 2," + "\"name\": \"An ice sculpture\"," + "\"price\":
1,"
    +        + "\"tags\": [\"cold\", \"ice\"]," + "\"dimensions\": {" + "\"length\": 7.0,"
+ "\"width\" : 8.0,"
    +        + "\"height\": 9.5" + "}," + "\"warehouseLocation\": {" + "\"latitude\": -78.75,"
+ "\"longitude\": 20.4"
    +        + "}," + "\"dateOfManufacture\": \"2013/09/29\"," + "\"dateOfExpiry\": \"2013\""
+ "}";
    +    parser.beginWindow(0);
    +    parser.in.process(tuple.getBytes());
    +    parser.endWindow();
    +    Assert.assertEquals(1, objectPort.collectedTuples.size());
    +    Assert.assertEquals(1, pojoPort.collectedTuples.size());
    +    Assert.assertEquals(0, error.collectedTuples.size());
    +    Object obj = pojoPort.collectedTuples.get(0);
    +    Assert.assertNotNull(obj);
    +    Assert.assertEquals(Product.class, obj.getClass());
    +    Product pojo = (Product)obj;
    +    JSONObject jsonObject = (JSONObject)objectPort.collectedTuples.get(0);
    +    Assert.assertEquals(2, jsonObject.getInt("id"));
    +    Assert.assertEquals(1, jsonObject.getInt("price"));
    +    Assert.assertEquals("An ice sculpture", jsonObject.get("name"));
    +    Assert.assertEquals(7.0, jsonObject.getJSONObject("dimensions").getDouble("length"),
0);
    +    Assert.assertEquals(2, pojo.getId());
    +    Assert.assertEquals(1, pojo.getPrice());
    +    Assert.assertEquals("An ice sculpture", pojo.getName());
    +    Assert.assertEquals(7.0, (double)pojo.getDimensions().get("length"), 0);
    +  }
    +
    +  @Test
    +  public void testEmptyInput() throws JSONException
    +  {
    +    parser.setSchema(null);
    +    String tuple = "";
    +    parser.beginWindow(0);
    +    parser.in.process(tuple.getBytes());
    +    parser.endWindow();
    +    Assert.assertEquals(0, objectPort.collectedTuples.size());
    +    Assert.assertEquals(0, pojoPort.collectedTuples.size());
    +    Assert.assertEquals(1, error.collectedTuples.size());
    +  }
    +
    +  @Test
    +  public void testValidInputWithoutSchema() throws JSONException
    +  {
    +    parser.setSchema(null);
    +    String tuple = "{" + "\"id\": 2," + "\"name\": \"An ice sculpture\"," + "\"price\":
1,"
    +        + "\"tags\": [\"cold\", \"ice\"]," + "\"dimensions\": {" + "\"length\": 7.0,"
+ "\"width\" : 8.0,"
    +        + "\"height\": 9.5" + "}," + "\"warehouseLocation\": {" + "\"latitude\": -78.75,"
+ "\"longitude\": 20.4"
    +        + "}," + "\"dateOfManufacture\": \"2013/09/29\"," + "\"dateOfExpiry\": \"2013\""
+ "}";
    +    parser.beginWindow(0);
    +    parser.in.process(tuple.getBytes());
    +    parser.endWindow();
    +    Assert.assertEquals(1, objectPort.collectedTuples.size());
    +    Assert.assertEquals(1, pojoPort.collectedTuples.size());
    +    Assert.assertEquals(0, error.collectedTuples.size());
    +    Object obj = pojoPort.collectedTuples.get(0);
    +    Assert.assertNotNull(obj);
    +    Assert.assertEquals(Product.class, obj.getClass());
    +    Product pojo = (Product)obj;
    +    JSONObject jsonObject = (JSONObject)objectPort.collectedTuples.get(0);
    +    Assert.assertEquals(2, jsonObject.getInt("id"));
    +    Assert.assertEquals(1, jsonObject.getInt("price"));
    +    Assert.assertEquals("An ice sculpture", jsonObject.get("name"));
    +    Assert.assertEquals(7.0, jsonObject.getJSONObject("dimensions").getDouble("length"),
0);
    +    Assert.assertEquals(2, pojo.getId());
    +    Assert.assertEquals(1, pojo.getPrice());
    +    Assert.assertEquals("An ice sculpture", pojo.getName());
    +    Assert.assertEquals(7.0, (double)pojo.getDimensions().get("length"), 0);
    +  }
    +
    +  @Test
    +  public void testInvalidPrice() throws JSONException
    +  {
    +    String tuple = "{" + "\"id\": 2," + "\"name\": \"An ice sculpture\"," + "\"price\":
-1,"
    +        + "\"tags\": [\"cold\", \"ice\"]," + "\"dimensions\": {" + "\"length\": 7.0,"
+ "\"width\" : 8.0,"
    +        + "\"height\": 9.5" + "}," + "\"warehouseLocation\": {" + "\"latitude\": -78.75,"
+ "\"longitude\": 20.4"
    +        + "}," + "\"dateOfManufacture\": \"2013/09/29\"," + "\"dateOfExpiry\": \"2013\""
+ "}";
    +    parser.beginWindow(0);
    +    parser.in.process(tuple.getBytes());
    +    parser.endWindow();
    +    Assert.assertEquals(0, objectPort.collectedTuples.size());
    +    Assert.assertEquals(0, pojoPort.collectedTuples.size());
    +    Assert.assertEquals(1, error.collectedTuples.size());
    +    KeyValPair<String, String> errorKeyValPair = (KeyValPair<String, String>)error.collectedTuples.get(0);
    +    Assert.assertEquals(tuple, errorKeyValPair.getKey());
    +    Assert.assertEquals("\"/price\":\"number is lower than the required minimum\"", errorKeyValPair.getValue());
    +  }
    +
    +  @Test
    +  public void testMultipleViolations() throws JSONException
    +  {
    +    String tuple = "{" + "\"id\": 2," + "\"name\": \"An ice sculpture\"," + "\"price\":
-1,"
    +        + "\"tags\": [\"cold\", \"ice\"]," + "\"dimensions\": {" + "\"width\" : 8.0,"
+ "\"height\": 9.5" + "},"
    +        + "\"warehouseLocation\": {" + "\"latitude\": -78.75," + "\"longitude\": 20.4"
+ "},"
    +        + "\"dateOfManufacture\": \"2013/09/29\"," + "\"dateOfExpiry\": \"2013\"" + "}";
    +    parser.beginWindow(0);
    +    parser.in.process(tuple.getBytes());
    +    parser.endWindow();
    +    Assert.assertEquals(0, objectPort.collectedTuples.size());
    +    Assert.assertEquals(0, pojoPort.collectedTuples.size());
    +    Assert.assertEquals(1, error.collectedTuples.size());
    +    KeyValPair<String, String> errorKeyValPair = (KeyValPair<String, String>)error.collectedTuples.get(0);
    +    Assert.assertEquals(tuple, errorKeyValPair.getKey());
    +    Assert.assertEquals(
    +        "\"/dimensions\":\"missing required property(ies)\",\"/price\":\"number is lower
than the required minimum\"",
    +        errorKeyValPair.getValue());
    +  }
    +
    +  @Test
    +  public void testJsonSyntaxError() throws JSONException
    +  {
    +    String tuple = "{" + "\"id\": 2," + "\"name\": \"An ice sculpture\"," + "\"price\":
-1,"
    +        + "\"tags\": [\"cold\", \"ice\"]," + "\"dimensions\": {" + "\"width\" : 8.0,"
+ "\"height\": 9.5" + "}"
    +        + "\"warehouseLocation\": {" + "\"latitude\": -78.75," + "\"longitude\": 20.4"
+ "},"
    +        + "\"dateOfManufacture\": \"2013/09/29\"," + "\"dateOfExpiry\": \"2013\"" + "}";
    +    parser.beginWindow(0);
    +    parser.in.process(tuple.getBytes());
    +    parser.endWindow();
    +    Assert.assertEquals(0, objectPort.collectedTuples.size());
    +    Assert.assertEquals(0, pojoPort.collectedTuples.size());
    +    Assert.assertEquals(1, error.collectedTuples.size());
    +    KeyValPair<String, String> errorKeyValPair = (KeyValPair<String, String>)error.collectedTuples.get(0);
    +    Assert.assertEquals(tuple, errorKeyValPair.getKey());
    +  }
    +
    +  @Test
    +  public void testValidInputPojoPortNotConnected() throws JSONException
    +  {
    +    parser.out.setSink(null);
    +    String tuple = "{" + "\"id\": 2," + "\"name\": \"An ice sculpture\"," + "\"price\":
1,"
    +        + "\"tags\": [\"cold\", \"ice\"]," + "\"dimensions\": {" + "\"length\": 7.0,"
+ "\"width\" : 8.0,"
    +        + "\"height\": 9.5" + "}," + "\"warehouseLocation\": {" + "\"latitude\": -78.75,"
+ "\"longitude\": 20.4"
    +        + "}," + "\"dateOfManufacture\": \"2013/09/29\"," + "\"dateOfExpiry\": \"2013\""
+ "}";
    +    parser.beginWindow(0);
    +    parser.in.process(tuple.getBytes());
    +    parser.endWindow();
    +    Assert.assertEquals(1, objectPort.collectedTuples.size());
    +    Assert.assertEquals(0, pojoPort.collectedTuples.size());
    +    Assert.assertEquals(0, error.collectedTuples.size());
    +    JSONObject jsonObject = (JSONObject)objectPort.collectedTuples.get(0);
    +    Assert.assertEquals(2, jsonObject.getInt("id"));
    +    Assert.assertEquals(1, jsonObject.getInt("price"));
    +    Assert.assertEquals("An ice sculpture", jsonObject.get("name"));
    +    Assert.assertEquals(7.0, jsonObject.getJSONObject("dimensions").getDouble("length"),
0);
    +  }
    +
    +  @Test
    +  public void testValidInputParsedOutputPortNotConnected() throws JSONException
    +  {
    +    parser.parsedOutput.setSink(null);
    +    String tuple = "{" + "\"id\": 2," + "\"name\": \"An ice sculpture\"," + "\"price\":
1,"
    +        + "\"tags\": [\"cold\", \"ice\"]," + "\"dimensions\": {" + "\"length\": 7.0,"
+ "\"width\" : 8.0,"
    +        + "\"height\": 9.5" + "}," + "\"warehouseLocation\": {" + "\"latitude\": -78.75,"
+ "\"longitude\": 20.4"
    +        + "}," + "\"dateOfManufacture\": \"2013/09/29\"," + "\"dateOfExpiry\": \"2013\""
+ "}";
    +    parser.beginWindow(0);
    +    parser.in.process(tuple.getBytes());
    +    parser.endWindow();
    +    Assert.assertEquals(0, objectPort.collectedTuples.size());
    +    Assert.assertEquals(1, pojoPort.collectedTuples.size());
    +    Assert.assertEquals(0, error.collectedTuples.size());
    +    Object obj = pojoPort.collectedTuples.get(0);
    +    Assert.assertNotNull(obj);
    +    Assert.assertEquals(Product.class, obj.getClass());
    +    Product pojo = (Product)obj;
    +    Assert.assertEquals(2, pojo.getId());
    +    Assert.assertEquals(1, pojo.getPrice());
    +    Assert.assertEquals("An ice sculpture", pojo.getName());
    +    Assert.assertEquals(7.0, (double)pojo.getDimensions().get("length"), 0);
    +  }
    +
    +  @Test
    +  public void TestParserValidInputMetricVerification()
    +  {
    +    parser.beginWindow(0);
    +    Assert.assertEquals(0, parser.parsedOutputCount);
    +    Assert.assertEquals(0, parser.getIncomingTuplesCount());
    +    Assert.assertEquals(0, parser.getErrorTupleCount());
    +    Assert.assertEquals(0, parser.getEmittedObjectCount());
    +    String tuple = "{" + "\"id\": 2," + "\"name\": \"An ice sculpture\"," + "\"price\":
1,"
    +        + "\"tags\": [\"cold\", \"ice\"]," + "\"dimensions\": {" + "\"length\": 7.0,"
+ "\"width\" : 8.0,"
    +        + "\"height\": 9.5" + "}," + "\"warehouseLocation\": {" + "\"latitude\": -78.75,"
+ "\"longitude\": 20.4"
    +        + "}," + "\"dateOfManufacture\": \"2013/09/29\"," + "\"dateOfExpiry\": \"2013\""
+ "}";
    +    parser.in.process(tuple.getBytes());
    +    parser.endWindow();
    +    Assert.assertEquals(1, parser.parsedOutputCount);
    +    Assert.assertEquals(1, parser.getIncomingTuplesCount());
    +    Assert.assertEquals(0, parser.getErrorTupleCount());
    +    Assert.assertEquals(1, parser.getEmittedObjectCount());
    +  }
    +
    +  @Test
    +  public void TestParserInvalidInputMetricVerification()
    +  {
    +    parser.beginWindow(0);
    +    Assert.assertEquals(0, parser.parsedOutputCount);
    +    Assert.assertEquals(0, parser.getIncomingTuplesCount());
    +    Assert.assertEquals(0, parser.getErrorTupleCount());
    +    Assert.assertEquals(0, parser.getEmittedObjectCount());
    +    String tuple = "{" + "\"id\": 2" + "}";
    +    parser.in.process(tuple.getBytes());
    +    parser.endWindow();
    +    Assert.assertEquals(0, parser.parsedOutputCount);
    +    Assert.assertEquals(1, parser.getIncomingTuplesCount());
    +    Assert.assertEquals(1, parser.getErrorTupleCount());
    +    Assert.assertEquals(0, parser.getEmittedObjectCount());
    +  }
    +
    +  @Test
    +  public void TestParserMetricResetVerification()
    --- End diff --
    
    Keep consistency in name of the test case.


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