AbstractAvroSchemaRegistryCientTest.java

/**
 * Copyright 2016 Hortonworks.
 *
 * 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 com.hortonworks.registries.schemaregistry.avro;

import com.hortonworks.registries.serdes.Device;
import com.hortonworks.registries.schemaregistry.client.SchemaRegistryClient;
import com.hortonworks.registries.webservice.RegistryApplication;
import com.hortonworks.registries.webservice.RegistryConfiguration;
import io.dropwizard.testing.ResourceHelpers;
import io.dropwizard.testing.junit.DropwizardAppRule;
import org.apache.avro.Schema;
import org.apache.avro.generic.GenericData;
import org.apache.avro.generic.GenericRecord;
import org.junit.Before;
import org.junit.ClassRule;
import org.junit.Rule;
import org.junit.rules.TestName;

import java.io.IOException;
import java.io.InputStream;
import java.util.Collections;
import java.util.Date;
import java.util.Map;
import java.util.Random;

/**
 *
 */
public abstract class AbstractAvroSchemaRegistryCientTest {

    @ClassRule
    public static final DropwizardAppRule<RegistryConfiguration> DROPWIZARD_APP_RULE
            = new DropwizardAppRule<>(RegistryApplication.class, ResourceHelpers.resourceFilePath("schema-registry-test.yaml"));

    protected final String rootUrl = String.format("http://localhost:%d/api/v1", DROPWIZARD_APP_RULE.getLocalPort());
    protected final Map<String, String> SCHEMA_REGISTRY_CLIENT_CONF = Collections.singletonMap(SchemaRegistryClient.Configuration.SCHEMA_REGISTRY_URL.name(), rootUrl);

    @Rule
    public TestName TEST_NAME_RULE = new TestName();

    protected SchemaRegistryClient schemaRegistryClient;

    @Before
    public void setup() throws IOException {
        schemaRegistryClient = new SchemaRegistryClient(SCHEMA_REGISTRY_CLIENT_CONF);
    }

    protected Object[] generatePrimitivePayloads() {
        Random random = new Random();
        byte[] bytes = new byte[4];
        random.nextBytes(bytes);
        return new Object[]{random.nextBoolean(), random.nextDouble(), random.nextLong(), random.nextInt(), "String payload:" + new Date(), null};
    }

    protected Object createGenericRecordForCompatDevice() throws IOException {
        Schema schema = new Schema.Parser().parse(getSchema("/device-compat.avsc"));

        GenericRecord avroRecord = new GenericData.Record(schema);
        long now = System.currentTimeMillis();
        avroRecord.put("xid", now);
        avroRecord.put("name", "foo-" + now);
        avroRecord.put("version", new Random().nextInt());
        avroRecord.put("timestamp", now);
        avroRecord.put("make", "make-" + now);

        return avroRecord;
    }

    protected Object createGenericRecordForIncompatDevice() throws IOException {
        Schema schema = new Schema.Parser().parse(getSchema("/device-incompat.avsc"));

        GenericRecord avroRecord = new GenericData.Record(schema);
        long now = System.currentTimeMillis();
        avroRecord.put("xid", now);
        avroRecord.put("name", "foo-" + now);
        avroRecord.put("version", new Random().nextInt());
        avroRecord.put("mfr", "mfr-" + now);

        return avroRecord;
    }

    protected Object createGenericRecordForDevice() throws IOException {
        Schema schema = new Schema.Parser().parse(getSchema("/device.avsc"));

        GenericRecord avroRecord = new GenericData.Record(schema);
        long now = System.currentTimeMillis();
        avroRecord.put("xid", now);
        avroRecord.put("name", "foo-" + now);
        avroRecord.put("version", new Random().nextInt());
        avroRecord.put("timestamp", now);

        return avroRecord;
    }

    protected String getSchema(String schemaFileName) throws IOException {
        InputStream avroSchemaStream = AvroSchemaRegistryClientTest.class.getResourceAsStream(schemaFileName);
        org.apache.avro.Schema.Parser parser = new org.apache.avro.Schema.Parser();
        return parser.parse(avroSchemaStream).toString();
    }

    protected Device createSpecificRecord() {
        return Device.newBuilder().setName("device-" + System.currentTimeMillis())
                .setTimestamp(System.currentTimeMillis())
                .setVersion(new Random().nextInt())
                .setXid(new Random().nextLong()).build();
    }
}