HashRecordProcessorTest.java

/*
Copyright 2011, Lightbox Technologies, 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.lightboxtechnologies.nsrl;

import org.junit.BeforeClass;
import org.junit.Test;
import static org.junit.Assert.*;

import java.util.Arrays;

import org.apache.commons.codec.DecoderException;
import org.apache.commons.codec.binary.Hex;

/**
 * @author Joel Uckelman
 */
public class HashRecordProcessorTest {
  private static final Hex hex = new Hex();

  private static final String name = "c'est ne pas un name";
  private static final long size = 42;
  private static final int prod_code = 13;
  private static final String os_code = "89";
  private static final String special_code = "so fucking special";

  private static byte[] sha1;
  private static byte[] md5;
  private static byte[] crc32;

  @BeforeClass
  public static void init() throws DecoderException {
    sha1  = (byte[]) hex.decode("deadbeefdeadbeefdeadbeefdeadbeefdeadbeef");
    md5   = (byte[]) hex.decode("deadbeefdeadbeefdeadbeefdeadbeef");
    crc32 = (byte[]) hex.decode("deadbeef");
  }

  @Test(expected=BadDataException.class)
  public void processTooFewCols() throws BadDataException {
    final RecordProcessor<HashData> proc = new HashRecordProcessor();
    proc.process(new String[] { "foo" });
  }

  @Test(expected=BadDataException.class)
  public void processTooManyCols() throws BadDataException {
    final RecordProcessor<HashData> proc = new HashRecordProcessor();
    final String[] cols = new String[9];
    Arrays.fill(cols, "foo");
    proc.process(cols);
  }

  @Test(expected=BadDataException.class)
  public void processNegativeSize() throws BadDataException {
    final RecordProcessor<HashData> proc = new HashRecordProcessor();
    proc.process(new String[] {
      Hex.encodeHexString(sha1), Hex.encodeHexString(md5),
      Hex.encodeHexString(crc32), name, String.valueOf(-1),
      String.valueOf(prod_code), os_code, special_code
    });
  }

  @Test(expected=BadDataException.class)
  public void processNonnumericSize() throws BadDataException {
    final RecordProcessor<HashData> proc = new HashRecordProcessor();
    proc.process(new String[] {
      Hex.encodeHexString(sha1), Hex.encodeHexString(md5),
      Hex.encodeHexString(crc32), name, "foo",
      String.valueOf(prod_code), os_code, special_code
    });
  }

  @Test(expected=BadDataException.class)
  public void processNegativeProdCode() throws BadDataException {
    final RecordProcessor<HashData> proc = new HashRecordProcessor();
    proc.process(new String[] {
      Hex.encodeHexString(sha1), Hex.encodeHexString(md5),
      Hex.encodeHexString(crc32), name, String.valueOf(size),
      "-1", os_code, special_code
    });
  }

  @Test(expected=BadDataException.class)
  public void processNonnumericProdCode() throws BadDataException {
    final RecordProcessor<HashData> proc = new HashRecordProcessor();
    proc.process(new String[] {
      Hex.encodeHexString(sha1), Hex.encodeHexString(md5),
      Hex.encodeHexString(crc32), name, String.valueOf(size),
      "foo", os_code, special_code
    });
  }

  @Test
  public void processJustRightCols() throws BadDataException, DecoderException {
    final HashData hd = new HashData(
      sha1, md5, crc32, name, size, prod_code, os_code, special_code);

    final RecordProcessor<HashData> proc = new HashRecordProcessor();

    assertEquals(hd, proc.process(new String[] {
      Hex.encodeHexString(sha1), Hex.encodeHexString(md5),
      Hex.encodeHexString(crc32), name, String.valueOf(size),
      String.valueOf(prod_code), os_code, special_code
    }));
  }
}