mirror of https://github.com/apache/nifi.git
NIFI-1117 Changed line endings to unix line endings in java source
This commit is contained in:
Tony Kurc
parent
9756e9f126
commit
ba5b1d837c
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@ -1,169 +1,169 @@
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/*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
|
||||
* this work for additional information regarding copyright ownership.
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||||
* The ASF licenses this file to You under the Apache License, Version 2.0
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||||
* (the "License"); you may not use this file except in compliance with
|
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* the License. You may obtain a copy of the License at
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||||
*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
|
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.apache.nifi.processors.avro;
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import java.io.BufferedInputStream;
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import java.io.BufferedOutputStream;
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import java.io.IOException;
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import java.io.InputStream;
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import java.io.OutputStream;
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import java.nio.charset.StandardCharsets;
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import java.util.ArrayList;
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import java.util.Collections;
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import java.util.HashSet;
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import java.util.List;
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import java.util.Set;
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import org.apache.avro.file.DataFileStream;
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import org.apache.avro.generic.GenericData;
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import org.apache.avro.generic.GenericDatumReader;
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import org.apache.avro.generic.GenericRecord;
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import org.apache.nifi.annotation.behavior.InputRequirement;
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import org.apache.nifi.annotation.behavior.InputRequirement.Requirement;
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import org.apache.nifi.annotation.behavior.SideEffectFree;
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import org.apache.nifi.annotation.behavior.SupportsBatching;
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import org.apache.nifi.annotation.behavior.WritesAttribute;
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import org.apache.nifi.annotation.documentation.CapabilityDescription;
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import org.apache.nifi.components.PropertyDescriptor;
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import org.apache.nifi.flowfile.FlowFile;
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import org.apache.nifi.flowfile.attributes.CoreAttributes;
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import org.apache.nifi.processor.AbstractProcessor;
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import org.apache.nifi.processor.ProcessContext;
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import org.apache.nifi.processor.ProcessSession;
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import org.apache.nifi.processor.ProcessorInitializationContext;
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import org.apache.nifi.processor.Relationship;
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import org.apache.nifi.processor.exception.ProcessException;
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import org.apache.nifi.processor.io.StreamCallback;
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@SideEffectFree
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@SupportsBatching
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@InputRequirement(Requirement.INPUT_REQUIRED)
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@CapabilityDescription("Converts a Binary Avro record into a JSON object. This processor provides a direct mapping of an Avro field to a JSON field, such "
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+ "that the resulting JSON will have the same hierarchical structure as the Avro document. Note that the Avro schema information will be lost, as this "
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+ "is not a translation from binary Avro to JSON formatted Avro. The output JSON is encoded the UTF-8 encoding. If an incoming FlowFile contains a stream of "
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+ "multiple Avro records, the resultant FlowFile will contain a JSON Array containing all of the Avro records or a sequence of JSON Objects")
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@WritesAttribute(attribute = "mime.type", description = "Sets the mime type to application/json")
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public class ConvertAvroToJSON extends AbstractProcessor {
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protected static final String CONTAINER_ARRAY = "array";
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protected static final String CONTAINER_NONE = "none";
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private static final byte [] EMPTY_JSON_OBJECT = "{}".getBytes(StandardCharsets.UTF_8);
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static final PropertyDescriptor CONTAINER_OPTIONS = new PropertyDescriptor.Builder()
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.name("JSON container options")
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.description("Determines how stream of records is exposed: either as a sequence of single Objects (" + CONTAINER_NONE
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+ ") (i.e. writing every Object to a new line), or as an array of Objects (" + CONTAINER_ARRAY + ").")
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.allowableValues(CONTAINER_NONE, CONTAINER_ARRAY)
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.required(true)
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.defaultValue(CONTAINER_ARRAY)
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.build();
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static final Relationship REL_SUCCESS = new Relationship.Builder()
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.name("success")
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.description("A FlowFile is routed to this relationship after it has been converted to JSON")
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.build();
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static final Relationship REL_FAILURE = new Relationship.Builder()
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.name("failure")
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.description("A FlowFile is routed to this relationship if it cannot be parsed as Avro or cannot be converted to JSON for any reason")
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.build();
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private List<PropertyDescriptor> properties;
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@Override
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protected void init(ProcessorInitializationContext context) {
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super.init(context);
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final List<PropertyDescriptor> properties = new ArrayList<>();
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properties.add(CONTAINER_OPTIONS);
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this.properties = Collections.unmodifiableList(properties);
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}
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@Override
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protected List<PropertyDescriptor> getSupportedPropertyDescriptors() {
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return properties;
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}
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@Override
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public Set<Relationship> getRelationships() {
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final Set<Relationship> rels = new HashSet<>();
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rels.add(REL_SUCCESS);
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rels.add(REL_FAILURE);
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return rels;
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}
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@Override
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public void onTrigger(ProcessContext context, ProcessSession session) throws ProcessException {
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FlowFile flowFile = session.get();
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if (flowFile == null) {
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return;
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}
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final String containerOption = context.getProperty(CONTAINER_OPTIONS).getValue();
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try {
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flowFile = session.write(flowFile, new StreamCallback() {
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@Override
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public void process(final InputStream rawIn, final OutputStream rawOut) throws IOException {
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try (final InputStream in = new BufferedInputStream(rawIn);
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final OutputStream out = new BufferedOutputStream(rawOut);
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final DataFileStream<GenericRecord> reader = new DataFileStream<>(in, new GenericDatumReader<GenericRecord>())) {
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final GenericData genericData = GenericData.get();
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if (reader.hasNext() == false ) {
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out.write(EMPTY_JSON_OBJECT);
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return;
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}
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int recordCount = 1;
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GenericRecord reuse = reader.next();
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// Only open container if more than one record
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if(reader.hasNext() && containerOption.equals(CONTAINER_ARRAY)){
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out.write('[');
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}
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out.write(genericData.toString(reuse).getBytes(StandardCharsets.UTF_8));
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while (reader.hasNext()) {
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if (containerOption.equals(CONTAINER_ARRAY)) {
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out.write(',');
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} else {
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out.write('\n');
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}
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reuse = reader.next(reuse);
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out.write(genericData.toString(reuse).getBytes(StandardCharsets.UTF_8));
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recordCount++;
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}
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// Only close container if more than one record
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if (recordCount > 1 && containerOption.equals(CONTAINER_ARRAY)) {
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out.write(']');
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}
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}
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}
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});
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} catch (final ProcessException pe) {
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getLogger().error("Failed to convert {} from Avro to JSON due to {}; transferring to failure", new Object[] {flowFile, pe});
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session.transfer(flowFile, REL_FAILURE);
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return;
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}
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flowFile = session.putAttribute(flowFile, CoreAttributes.MIME_TYPE.key(), "application/json");
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session.transfer(flowFile, REL_SUCCESS);
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}
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}
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/*
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* Licensed to the Apache Software Foundation (ASF) under one or more
|
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* contributor license agreements. See the NOTICE file distributed with
|
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* this work for additional information regarding copyright ownership.
|
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* The ASF licenses this file to You under the Apache License, Version 2.0
|
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* (the "License"); you may not use this file except in compliance with
|
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* the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.apache.nifi.processors.avro;
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import java.io.BufferedInputStream;
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import java.io.BufferedOutputStream;
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import java.io.IOException;
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import java.io.InputStream;
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import java.io.OutputStream;
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import java.nio.charset.StandardCharsets;
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import java.util.ArrayList;
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import java.util.Collections;
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import java.util.HashSet;
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import java.util.List;
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import java.util.Set;
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import org.apache.avro.file.DataFileStream;
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import org.apache.avro.generic.GenericData;
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import org.apache.avro.generic.GenericDatumReader;
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import org.apache.avro.generic.GenericRecord;
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import org.apache.nifi.annotation.behavior.InputRequirement;
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import org.apache.nifi.annotation.behavior.InputRequirement.Requirement;
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import org.apache.nifi.annotation.behavior.SideEffectFree;
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import org.apache.nifi.annotation.behavior.SupportsBatching;
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import org.apache.nifi.annotation.behavior.WritesAttribute;
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import org.apache.nifi.annotation.documentation.CapabilityDescription;
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import org.apache.nifi.components.PropertyDescriptor;
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import org.apache.nifi.flowfile.FlowFile;
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import org.apache.nifi.flowfile.attributes.CoreAttributes;
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import org.apache.nifi.processor.AbstractProcessor;
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import org.apache.nifi.processor.ProcessContext;
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import org.apache.nifi.processor.ProcessSession;
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import org.apache.nifi.processor.ProcessorInitializationContext;
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import org.apache.nifi.processor.Relationship;
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import org.apache.nifi.processor.exception.ProcessException;
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import org.apache.nifi.processor.io.StreamCallback;
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@SideEffectFree
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@SupportsBatching
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@InputRequirement(Requirement.INPUT_REQUIRED)
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@CapabilityDescription("Converts a Binary Avro record into a JSON object. This processor provides a direct mapping of an Avro field to a JSON field, such "
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+ "that the resulting JSON will have the same hierarchical structure as the Avro document. Note that the Avro schema information will be lost, as this "
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+ "is not a translation from binary Avro to JSON formatted Avro. The output JSON is encoded the UTF-8 encoding. If an incoming FlowFile contains a stream of "
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+ "multiple Avro records, the resultant FlowFile will contain a JSON Array containing all of the Avro records or a sequence of JSON Objects")
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@WritesAttribute(attribute = "mime.type", description = "Sets the mime type to application/json")
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public class ConvertAvroToJSON extends AbstractProcessor {
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protected static final String CONTAINER_ARRAY = "array";
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protected static final String CONTAINER_NONE = "none";
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private static final byte [] EMPTY_JSON_OBJECT = "{}".getBytes(StandardCharsets.UTF_8);
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static final PropertyDescriptor CONTAINER_OPTIONS = new PropertyDescriptor.Builder()
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.name("JSON container options")
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.description("Determines how stream of records is exposed: either as a sequence of single Objects (" + CONTAINER_NONE
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+ ") (i.e. writing every Object to a new line), or as an array of Objects (" + CONTAINER_ARRAY + ").")
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.allowableValues(CONTAINER_NONE, CONTAINER_ARRAY)
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.required(true)
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.defaultValue(CONTAINER_ARRAY)
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.build();
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static final Relationship REL_SUCCESS = new Relationship.Builder()
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.name("success")
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.description("A FlowFile is routed to this relationship after it has been converted to JSON")
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.build();
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static final Relationship REL_FAILURE = new Relationship.Builder()
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.name("failure")
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.description("A FlowFile is routed to this relationship if it cannot be parsed as Avro or cannot be converted to JSON for any reason")
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.build();
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private List<PropertyDescriptor> properties;
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@Override
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protected void init(ProcessorInitializationContext context) {
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super.init(context);
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final List<PropertyDescriptor> properties = new ArrayList<>();
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properties.add(CONTAINER_OPTIONS);
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this.properties = Collections.unmodifiableList(properties);
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}
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@Override
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protected List<PropertyDescriptor> getSupportedPropertyDescriptors() {
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return properties;
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}
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@Override
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public Set<Relationship> getRelationships() {
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final Set<Relationship> rels = new HashSet<>();
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rels.add(REL_SUCCESS);
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rels.add(REL_FAILURE);
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return rels;
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}
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@Override
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public void onTrigger(ProcessContext context, ProcessSession session) throws ProcessException {
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FlowFile flowFile = session.get();
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if (flowFile == null) {
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return;
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}
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final String containerOption = context.getProperty(CONTAINER_OPTIONS).getValue();
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try {
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flowFile = session.write(flowFile, new StreamCallback() {
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@Override
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public void process(final InputStream rawIn, final OutputStream rawOut) throws IOException {
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try (final InputStream in = new BufferedInputStream(rawIn);
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final OutputStream out = new BufferedOutputStream(rawOut);
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final DataFileStream<GenericRecord> reader = new DataFileStream<>(in, new GenericDatumReader<GenericRecord>())) {
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final GenericData genericData = GenericData.get();
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if (reader.hasNext() == false ) {
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out.write(EMPTY_JSON_OBJECT);
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return;
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}
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int recordCount = 1;
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GenericRecord reuse = reader.next();
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// Only open container if more than one record
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if(reader.hasNext() && containerOption.equals(CONTAINER_ARRAY)){
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out.write('[');
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}
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out.write(genericData.toString(reuse).getBytes(StandardCharsets.UTF_8));
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while (reader.hasNext()) {
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if (containerOption.equals(CONTAINER_ARRAY)) {
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out.write(',');
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} else {
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out.write('\n');
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}
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reuse = reader.next(reuse);
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out.write(genericData.toString(reuse).getBytes(StandardCharsets.UTF_8));
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recordCount++;
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}
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// Only close container if more than one record
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if (recordCount > 1 && containerOption.equals(CONTAINER_ARRAY)) {
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out.write(']');
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}
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}
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}
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});
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} catch (final ProcessException pe) {
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getLogger().error("Failed to convert {} from Avro to JSON due to {}; transferring to failure", new Object[] {flowFile, pe});
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session.transfer(flowFile, REL_FAILURE);
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return;
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}
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flowFile = session.putAttribute(flowFile, CoreAttributes.MIME_TYPE.key(), "application/json");
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session.transfer(flowFile, REL_SUCCESS);
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}
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}
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|
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@ -1,158 +1,158 @@
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/*
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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.
|
||||
*/
|
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package org.apache.nifi.processors.avro;
|
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import java.io.File;
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import java.io.IOException;
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import org.apache.avro.Schema;
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import org.apache.avro.file.DataFileWriter;
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import org.apache.avro.generic.GenericData;
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import org.apache.avro.generic.GenericDatumWriter;
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import org.apache.avro.generic.GenericRecord;
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import org.apache.avro.io.DatumWriter;
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import org.apache.nifi.stream.io.ByteArrayOutputStream;
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import org.apache.nifi.util.MockFlowFile;
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import org.apache.nifi.util.TestRunner;
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import org.apache.nifi.util.TestRunners;
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import org.junit.Test;
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public class TestConvertAvroToJSON {
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@Test
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public void testSingleAvroMessage() throws IOException {
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final TestRunner runner = TestRunners.newTestRunner(new ConvertAvroToJSON());
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final Schema schema = new Schema.Parser().parse(new File("src/test/resources/user.avsc"));
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final GenericRecord user1 = new GenericData.Record(schema);
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user1.put("name", "Alyssa");
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user1.put("favorite_number", 256);
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final DatumWriter<GenericRecord> datumWriter = new GenericDatumWriter<>(schema);
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final ByteArrayOutputStream out1 = AvroTestUtil.serializeAvroRecord(schema, datumWriter, user1);
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runner.enqueue(out1.toByteArray());
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runner.run();
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runner.assertAllFlowFilesTransferred(ConvertAvroToJSON.REL_SUCCESS, 1);
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final MockFlowFile out = runner.getFlowFilesForRelationship(ConvertAvroToJSON.REL_SUCCESS).get(0);
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out.assertContentEquals("{\"name\": \"Alyssa\", \"favorite_number\": 256, \"favorite_color\": null}");
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}
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@Test
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public void testMultipleAvroMessages() throws IOException {
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final TestRunner runner = TestRunners.newTestRunner(new ConvertAvroToJSON());
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final Schema schema = new Schema.Parser().parse(new File("src/test/resources/user.avsc"));
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runner.setProperty(ConvertAvroToJSON.CONTAINER_OPTIONS, ConvertAvroToJSON.CONTAINER_ARRAY);
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final GenericRecord user1 = new GenericData.Record(schema);
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user1.put("name", "Alyssa");
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user1.put("favorite_number", 256);
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final GenericRecord user2 = new GenericData.Record(schema);
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user2.put("name", "George");
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user2.put("favorite_number", 1024);
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user2.put("favorite_color", "red");
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final DatumWriter<GenericRecord> datumWriter = new GenericDatumWriter<>(schema);
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final ByteArrayOutputStream out1 = AvroTestUtil.serializeAvroRecord(schema, datumWriter, user1, user2);
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runner.enqueue(out1.toByteArray());
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runner.run();
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runner.assertAllFlowFilesTransferred(ConvertAvroToJSON.REL_SUCCESS, 1);
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final MockFlowFile out = runner.getFlowFilesForRelationship(ConvertAvroToJSON.REL_SUCCESS).get(0);
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out.assertContentEquals("[{\"name\": \"Alyssa\", \"favorite_number\": 256, \"favorite_color\": null},{\"name\": \"George\", \"favorite_number\": 1024, \"favorite_color\": \"red\"}]");
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||||
}
|
||||
|
||||
@Test
|
||||
public void testNonJsonHandledProperly() throws IOException {
|
||||
final TestRunner runner = TestRunners.newTestRunner(new ConvertAvroToJSON());
|
||||
runner.enqueue("hello".getBytes());
|
||||
runner.run();
|
||||
runner.assertAllFlowFilesTransferred(ConvertAvroToJSON.REL_FAILURE, 1);
|
||||
}
|
||||
|
||||
private ByteArrayOutputStream serializeAvroRecord(final Schema schema, final DatumWriter<GenericRecord> datumWriter, final GenericRecord... users) throws IOException {
|
||||
ByteArrayOutputStream out = new ByteArrayOutputStream();
|
||||
DataFileWriter<GenericRecord> dataFileWriter = new DataFileWriter<GenericRecord>(datumWriter);
|
||||
dataFileWriter.create(schema, out);
|
||||
for (final GenericRecord user : users) {
|
||||
dataFileWriter.append(user);
|
||||
}
|
||||
|
||||
dataFileWriter.close();
|
||||
return out;
|
||||
}
|
||||
|
||||
@Test
|
||||
public void testMultipleAvroMessagesContainerNone() throws IOException {
|
||||
final TestRunner runner = TestRunners.newTestRunner(new ConvertAvroToJSON());
|
||||
final Schema schema = new Schema.Parser().parse(new File("src/test/resources/user.avsc"));
|
||||
|
||||
runner.setProperty(ConvertAvroToJSON.CONTAINER_OPTIONS, ConvertAvroToJSON.CONTAINER_NONE);
|
||||
|
||||
final GenericRecord user1 = new GenericData.Record(schema);
|
||||
user1.put("name", "Alyssa");
|
||||
user1.put("favorite_number", 256);
|
||||
|
||||
final GenericRecord user2 = new GenericData.Record(schema);
|
||||
user2.put("name", "George");
|
||||
user2.put("favorite_number", 1024);
|
||||
user2.put("favorite_color", "red");
|
||||
|
||||
final DatumWriter<GenericRecord> datumWriter = new GenericDatumWriter<>(schema);
|
||||
final ByteArrayOutputStream out1 = serializeAvroRecord(schema, datumWriter, user1, user2);
|
||||
runner.enqueue(out1.toByteArray());
|
||||
|
||||
runner.run();
|
||||
|
||||
runner.assertAllFlowFilesTransferred(ConvertAvroToJSON.REL_SUCCESS, 1);
|
||||
final MockFlowFile out = runner.getFlowFilesForRelationship(ConvertAvroToJSON.REL_SUCCESS).get(0);
|
||||
out.assertContentEquals("{\"name\": \"Alyssa\", \"favorite_number\": 256, \"favorite_color\": null}\n{\"name\": \"George\", \"favorite_number\": 1024, \"favorite_color\": \"red\"}");
|
||||
}
|
||||
|
||||
@Test
|
||||
public void testEmptyFlowFile() throws IOException {
|
||||
final TestRunner runner = TestRunners.newTestRunner(new ConvertAvroToJSON());
|
||||
|
||||
runner.enqueue(new byte[]{});
|
||||
|
||||
runner.run();
|
||||
|
||||
runner.assertAllFlowFilesTransferred(ConvertAvroToJSON.REL_FAILURE, 1);
|
||||
}
|
||||
|
||||
@Test
|
||||
public void testZeroRecords() throws IOException {
|
||||
final TestRunner runner = TestRunners.newTestRunner(new ConvertAvroToJSON());
|
||||
final Schema schema = new Schema.Parser().parse(new File("src/test/resources/user.avsc"));
|
||||
|
||||
|
||||
final DatumWriter<GenericRecord> datumWriter = new GenericDatumWriter<>(schema);
|
||||
final ByteArrayOutputStream out1 = serializeAvroRecord(schema, datumWriter);
|
||||
runner.enqueue(out1.toByteArray());
|
||||
|
||||
runner.run();
|
||||
|
||||
runner.assertAllFlowFilesTransferred(ConvertAvroToJSON.REL_SUCCESS, 1);
|
||||
final MockFlowFile out = runner.getFlowFilesForRelationship(ConvertAvroToJSON.REL_SUCCESS).get(0);
|
||||
out.assertContentEquals("{}");
|
||||
|
||||
}
|
||||
}
|
||||
/*
|
||||
* 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 org.apache.nifi.processors.avro;
|
||||
|
||||
import java.io.File;
|
||||
import java.io.IOException;
|
||||
|
||||
import org.apache.avro.Schema;
|
||||
import org.apache.avro.file.DataFileWriter;
|
||||
import org.apache.avro.generic.GenericData;
|
||||
import org.apache.avro.generic.GenericDatumWriter;
|
||||
import org.apache.avro.generic.GenericRecord;
|
||||
import org.apache.avro.io.DatumWriter;
|
||||
import org.apache.nifi.stream.io.ByteArrayOutputStream;
|
||||
import org.apache.nifi.util.MockFlowFile;
|
||||
import org.apache.nifi.util.TestRunner;
|
||||
import org.apache.nifi.util.TestRunners;
|
||||
import org.junit.Test;
|
||||
|
||||
public class TestConvertAvroToJSON {
|
||||
|
||||
@Test
|
||||
public void testSingleAvroMessage() throws IOException {
|
||||
final TestRunner runner = TestRunners.newTestRunner(new ConvertAvroToJSON());
|
||||
final Schema schema = new Schema.Parser().parse(new File("src/test/resources/user.avsc"));
|
||||
|
||||
final GenericRecord user1 = new GenericData.Record(schema);
|
||||
user1.put("name", "Alyssa");
|
||||
user1.put("favorite_number", 256);
|
||||
|
||||
final DatumWriter<GenericRecord> datumWriter = new GenericDatumWriter<>(schema);
|
||||
final ByteArrayOutputStream out1 = AvroTestUtil.serializeAvroRecord(schema, datumWriter, user1);
|
||||
runner.enqueue(out1.toByteArray());
|
||||
|
||||
runner.run();
|
||||
|
||||
runner.assertAllFlowFilesTransferred(ConvertAvroToJSON.REL_SUCCESS, 1);
|
||||
final MockFlowFile out = runner.getFlowFilesForRelationship(ConvertAvroToJSON.REL_SUCCESS).get(0);
|
||||
out.assertContentEquals("{\"name\": \"Alyssa\", \"favorite_number\": 256, \"favorite_color\": null}");
|
||||
}
|
||||
|
||||
@Test
|
||||
public void testMultipleAvroMessages() throws IOException {
|
||||
final TestRunner runner = TestRunners.newTestRunner(new ConvertAvroToJSON());
|
||||
final Schema schema = new Schema.Parser().parse(new File("src/test/resources/user.avsc"));
|
||||
|
||||
runner.setProperty(ConvertAvroToJSON.CONTAINER_OPTIONS, ConvertAvroToJSON.CONTAINER_ARRAY);
|
||||
|
||||
final GenericRecord user1 = new GenericData.Record(schema);
|
||||
user1.put("name", "Alyssa");
|
||||
user1.put("favorite_number", 256);
|
||||
|
||||
final GenericRecord user2 = new GenericData.Record(schema);
|
||||
user2.put("name", "George");
|
||||
user2.put("favorite_number", 1024);
|
||||
user2.put("favorite_color", "red");
|
||||
|
||||
final DatumWriter<GenericRecord> datumWriter = new GenericDatumWriter<>(schema);
|
||||
final ByteArrayOutputStream out1 = AvroTestUtil.serializeAvroRecord(schema, datumWriter, user1, user2);
|
||||
runner.enqueue(out1.toByteArray());
|
||||
|
||||
runner.run();
|
||||
|
||||
runner.assertAllFlowFilesTransferred(ConvertAvroToJSON.REL_SUCCESS, 1);
|
||||
final MockFlowFile out = runner.getFlowFilesForRelationship(ConvertAvroToJSON.REL_SUCCESS).get(0);
|
||||
out.assertContentEquals("[{\"name\": \"Alyssa\", \"favorite_number\": 256, \"favorite_color\": null},{\"name\": \"George\", \"favorite_number\": 1024, \"favorite_color\": \"red\"}]");
|
||||
}
|
||||
|
||||
@Test
|
||||
public void testNonJsonHandledProperly() throws IOException {
|
||||
final TestRunner runner = TestRunners.newTestRunner(new ConvertAvroToJSON());
|
||||
runner.enqueue("hello".getBytes());
|
||||
runner.run();
|
||||
runner.assertAllFlowFilesTransferred(ConvertAvroToJSON.REL_FAILURE, 1);
|
||||
}
|
||||
|
||||
private ByteArrayOutputStream serializeAvroRecord(final Schema schema, final DatumWriter<GenericRecord> datumWriter, final GenericRecord... users) throws IOException {
|
||||
ByteArrayOutputStream out = new ByteArrayOutputStream();
|
||||
DataFileWriter<GenericRecord> dataFileWriter = new DataFileWriter<GenericRecord>(datumWriter);
|
||||
dataFileWriter.create(schema, out);
|
||||
for (final GenericRecord user : users) {
|
||||
dataFileWriter.append(user);
|
||||
}
|
||||
|
||||
dataFileWriter.close();
|
||||
return out;
|
||||
}
|
||||
|
||||
@Test
|
||||
public void testMultipleAvroMessagesContainerNone() throws IOException {
|
||||
final TestRunner runner = TestRunners.newTestRunner(new ConvertAvroToJSON());
|
||||
final Schema schema = new Schema.Parser().parse(new File("src/test/resources/user.avsc"));
|
||||
|
||||
runner.setProperty(ConvertAvroToJSON.CONTAINER_OPTIONS, ConvertAvroToJSON.CONTAINER_NONE);
|
||||
|
||||
final GenericRecord user1 = new GenericData.Record(schema);
|
||||
user1.put("name", "Alyssa");
|
||||
user1.put("favorite_number", 256);
|
||||
|
||||
final GenericRecord user2 = new GenericData.Record(schema);
|
||||
user2.put("name", "George");
|
||||
user2.put("favorite_number", 1024);
|
||||
user2.put("favorite_color", "red");
|
||||
|
||||
final DatumWriter<GenericRecord> datumWriter = new GenericDatumWriter<>(schema);
|
||||
final ByteArrayOutputStream out1 = serializeAvroRecord(schema, datumWriter, user1, user2);
|
||||
runner.enqueue(out1.toByteArray());
|
||||
|
||||
runner.run();
|
||||
|
||||
runner.assertAllFlowFilesTransferred(ConvertAvroToJSON.REL_SUCCESS, 1);
|
||||
final MockFlowFile out = runner.getFlowFilesForRelationship(ConvertAvroToJSON.REL_SUCCESS).get(0);
|
||||
out.assertContentEquals("{\"name\": \"Alyssa\", \"favorite_number\": 256, \"favorite_color\": null}\n{\"name\": \"George\", \"favorite_number\": 1024, \"favorite_color\": \"red\"}");
|
||||
}
|
||||
|
||||
@Test
|
||||
public void testEmptyFlowFile() throws IOException {
|
||||
final TestRunner runner = TestRunners.newTestRunner(new ConvertAvroToJSON());
|
||||
|
||||
runner.enqueue(new byte[]{});
|
||||
|
||||
runner.run();
|
||||
|
||||
runner.assertAllFlowFilesTransferred(ConvertAvroToJSON.REL_FAILURE, 1);
|
||||
}
|
||||
|
||||
@Test
|
||||
public void testZeroRecords() throws IOException {
|
||||
final TestRunner runner = TestRunners.newTestRunner(new ConvertAvroToJSON());
|
||||
final Schema schema = new Schema.Parser().parse(new File("src/test/resources/user.avsc"));
|
||||
|
||||
|
||||
final DatumWriter<GenericRecord> datumWriter = new GenericDatumWriter<>(schema);
|
||||
final ByteArrayOutputStream out1 = serializeAvroRecord(schema, datumWriter);
|
||||
runner.enqueue(out1.toByteArray());
|
||||
|
||||
runner.run();
|
||||
|
||||
runner.assertAllFlowFilesTransferred(ConvertAvroToJSON.REL_SUCCESS, 1);
|
||||
final MockFlowFile out = runner.getFlowFilesForRelationship(ConvertAvroToJSON.REL_SUCCESS).get(0);
|
||||
out.assertContentEquals("{}");
|
||||
|
||||
}
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in New Issue