com.streamsets.pipeline.lib.parser.udp.netflow.TestNetflowParser.java Source code

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Here is the source code for com.streamsets.pipeline.lib.parser.udp.netflow.TestNetflowParser.java

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/*
 * Copyright 2017 StreamSets Inc.
 *
 * 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.streamsets.pipeline.lib.parser.udp.netflow;

import com.google.common.io.Resources;
import com.streamsets.pipeline.api.OnRecordError;
import com.streamsets.pipeline.api.Record;
import com.streamsets.pipeline.api.Stage;
import com.streamsets.pipeline.api.base.OnRecordErrorException;
import com.streamsets.pipeline.lib.parser.net.netflow.NetflowDataParserFactory;
import com.streamsets.pipeline.lib.parser.net.netflow.NetflowTestUtil;
import com.streamsets.pipeline.sdk.ContextInfoCreator;
import io.netty.buffer.ByteBuf;
import io.netty.buffer.UnpooledByteBufAllocator;
import org.jetbrains.annotations.NotNull;
import org.junit.Test;

import java.util.Collections;
import java.util.List;

public class TestNetflowParser {

    private static final String TEN_PACKETS = "netflow-v5-file-1";

    private Stage.Context getContext() {
        return ContextInfoCreator.createSourceContext("i", false, OnRecordError.TO_ERROR,
                Collections.<String>emptyList());
    }

    @NotNull
    private NetflowParser makeNetflowParser() {
        return new NetflowParser(getContext(), NetflowDataParserFactory.DEFAULT_OUTPUT_VALUES_MODE,
                NetflowDataParserFactory.DEFAULT_MAX_TEMPLATE_CACHE_SIZE,
                NetflowDataParserFactory.DEFAULT_TEMPLATE_CACHE_TIMEOUT_MS);
    }

    @Test(expected = OnRecordErrorException.class)
    public void testInvalidVersion() throws Exception {
        UnpooledByteBufAllocator allocator = new UnpooledByteBufAllocator(false);
        NetflowParser netflowParser = makeNetflowParser();
        ByteBuf buf = allocator.buffer(4);
        buf.writeShort(0);
        buf.writeShort(0);
        netflowParser.parse(buf, null, null);
    }

    @Test(expected = OnRecordErrorException.class)
    public void testInvalidCountInvalidLength() throws Exception {
        UnpooledByteBufAllocator allocator = new UnpooledByteBufAllocator(false);
        NetflowParser netflowParser = makeNetflowParser();
        ByteBuf buf = allocator.buffer(4);
        buf.writeShort(5);
        buf.writeShort(1);
        netflowParser.parse(buf, null, null);
    }

    @Test(expected = OnRecordErrorException.class)
    public void testInvalidCountZero() throws Exception {
        UnpooledByteBufAllocator allocator = new UnpooledByteBufAllocator(false);
        NetflowParser netflowParser = makeNetflowParser();
        ByteBuf buf = allocator.buffer(4);
        buf.writeShort(5);
        buf.writeShort(0);
        netflowParser.parse(buf, null, null);
    }

    @Test(expected = OnRecordErrorException.class)
    public void testInvalidPacketTooShort1() throws Exception {
        UnpooledByteBufAllocator allocator = new UnpooledByteBufAllocator(false);
        NetflowParser netflowParser = makeNetflowParser();
        ByteBuf buf = allocator.buffer(0);
        netflowParser.parse(buf, null, null);
    }

    @Test(expected = OnRecordErrorException.class)
    public void testInvalidPacketTooShort2() throws Exception {
        UnpooledByteBufAllocator allocator = new UnpooledByteBufAllocator(false);
        NetflowParser netflowParser = makeNetflowParser();
        ByteBuf buf = allocator.buffer(2);
        buf.writeShort(5);
        netflowParser.parse(buf, null, null);
    }

    @Test
    public void testV5() throws Exception {
        UnpooledByteBufAllocator allocator = new UnpooledByteBufAllocator(false);
        NetflowParser netflowParser = makeNetflowParser();
        byte[] bytes = Resources.toByteArray(Resources.getResource(TEN_PACKETS));
        ByteBuf buf = allocator.buffer(bytes.length);
        buf.writeBytes(bytes);
        List<Record> records = netflowParser.parse(buf, null, null);
        NetflowTestUtil.assertRecordsForTenPackets(records);
    }

}