Exemplo n.º 1
0
        public void FastQFormatter()
        {
            string filepathOriginal = @"TestUtils\FASTQ\SRR002012_5.fastq";

            Assert.IsTrue(File.Exists(filepathOriginal));

            FastQParser    parser    = new FastQParser();
            FastQFormatter formatter = new FastQFormatter();

            // Read the original file
            IList <IQualitativeSequence> seqsOriginal = null;

            parser       = new FastQParser();
            seqsOriginal = parser.Parse(filepathOriginal);
            Assert.IsNotNull(seqsOriginal);

            // Use the formatter to write the original sequences to a temp file
            string filepathTmp = Path.GetTempFileName();

            using (TextWriter writer = new StreamWriter(filepathTmp))
            {
                foreach (IQualitativeSequence s in seqsOriginal)
                {
                    formatter.Format(s, writer);
                }
            }

            // Read the new file, then compare the sequences
            IList <IQualitativeSequence> seqsNew = null;

            parser  = new FastQParser();
            seqsNew = parser.Parse(filepathTmp);
            Assert.IsNotNull(seqsNew);

            // Now compare the sequences.
            int countOriginal = seqsOriginal.Count();
            int countNew      = seqsNew.Count();

            Assert.AreEqual(countOriginal, countNew);

            int i;

            for (i = 0; i < countOriginal; i++)
            {
                Assert.AreEqual(seqsOriginal[i].ID, seqsNew[i].ID);
                string orgSeq    = seqsOriginal[i].ToString();
                string newSeq    = seqsNew[i].ToString();
                string orgscores = ASCIIEncoding.ASCII.GetString(seqsOriginal[i].Scores);
                string newscores = ASCIIEncoding.ASCII.GetString(seqsNew[i].Scores);
                Assert.AreEqual(orgSeq, newSeq);
                Assert.AreEqual(orgscores, newscores);
            }

            // Passed all the tests, delete the tmp file. If we failed an Assert,
            // the tmp file will still be there in case we need it for debugging.
            File.Delete(filepathTmp);
            ((FastQParser)parser).Dispose();
        }
Exemplo n.º 2
0
        private void InValidateFastQFormatter(FastQFormatParameters param)
        {
            // Gets the expected sequence from the Xml
            string filepath = utilityObj.xmlUtil.GetTextValue(
                Constants.MultiSeqSangerRnaProNode, Constants.FilePathNode);

            // Parse a FastQ file.
            var fastQParser = new FastQParser();

            using (fastQParser.Open(filepath))
            {
                FastQFormatter fastQFormatter = null;

                switch (param)
                {
                case FastQFormatParameters.Sequence:
                    try
                    {
                        fastQFormatter = new FastQFormatter();
                        fastQFormatter.Format(null as ISequence, filepath);
                        Assert.Fail();
                    }
                    catch (ArgumentNullException)
                    {
                        fastQFormatter.Close();
                        ApplicationLog.WriteLine(
                            "FastQ Parser P2 : Successfully validated the exception");
                    }
                    break;

                default:
                    try
                    {
                        IEnumerable <IQualitativeSequence> sequence = fastQParser.Parse();
                        fastQFormatter = new FastQFormatter();
                        fastQFormatter.Format(sequence, null);
                        Assert.Fail();
                    }
                    catch (ArgumentNullException)
                    {
                        ApplicationLog.WriteLine("FastQ Parser P2 : Successfully validated the exception");
                    }
                    break;
                }
            }
        }
Exemplo n.º 3
0
        /// <summary>
        ///     General method to validate FastQ Formatter.
        ///     <param name="nodeName">xml node name.</param>
        ///     <param name="fileExtension">Different temporary file extensions</param>
        /// </summary>
        private void ValidateFastQFormatter(string nodeName, FastQFileParameters fileExtension)
        {
            // Gets the expected sequence from the Xml
            string filePath = utilityObj.xmlUtil.GetTextValue(nodeName, Constants.FilePathNode);
            string expectedQualitativeSequence = utilityObj.xmlUtil.GetTextValue(nodeName, Constants.ExpectedSequenceNode);
            string expectedSequenceId          = utilityObj.xmlUtil.GetTextValue(nodeName, Constants.SequenceIdNode);
            string tempFileName = Path.GetTempFileName();

            // Parse a FastQ file using parseOne method.
            var fastQParserObj = new FastQParser();

            using (fastQParserObj.Open(filePath))
            {
                IQualitativeSequence oneSequence = fastQParserObj.ParseOne();

                // Format Parsed Sequence to temp file with different extension.
                var fastQFormatter = new FastQFormatter();
                using (fastQFormatter.Open(tempFileName))
                {
                    fastQFormatter.Format(oneSequence);
                }

                string parsedValue;
                string parsedId;

                var fastQParserObjTemp = new FastQParser();
                using (fastQParserObjTemp.Open(tempFileName))
                {
                    oneSequence = fastQParserObjTemp.Parse().First();
                    parsedValue = oneSequence.ConvertToString();
                    parsedId    = oneSequence.ID;
                }

                // Validate qualitative parsing temporary file.
                Assert.AreEqual(expectedQualitativeSequence, parsedValue);
                Assert.AreEqual(expectedSequenceId, parsedId);
                ApplicationLog.WriteLine(string.Format("FastQ Formatter BVT: The FASTQ sequence '{0}' validation after Write() and Parse() is found to be as expected.",
                                                       parsedValue));
                ApplicationLog.WriteLine(string.Format("FastQ Formatter BVT: The FASTQ sequence '{0}' validation after Write() and Parse() is found to be as expected.",
                                                       parsedId));

                File.Delete(tempFileName);
            }
        }
Exemplo n.º 4
0
        private void InValidateFastQFormatter(FastQFormatParameters param)
        {
            // Gets the expected sequence from the Xml
            string filepath = utilityObj.xmlUtil.GetTextValue(
                Constants.MultiSeqSangerRnaProNode, Constants.FilePathNode);

            // Parse a FastQ file.
            var fastQParser = new FastQParser();
            using (fastQParser.Open(filepath))
            {
                FastQFormatter fastQFormatter = null;

                switch (param)
                {
                    case FastQFormatParameters.Sequence:
                        try
                        {
                            fastQFormatter = new FastQFormatter();
                            fastQFormatter.Format(null as ISequence, filepath);
                            Assert.Fail();
                        }
                        catch (ArgumentNullException)
                        {
                            fastQFormatter.Close();
                            ApplicationLog.WriteLine(
                                "FastQ Parser P2 : Successfully validated the exception");
                        }
                        break;
                    default:
                        try
                        {
                            IEnumerable<IQualitativeSequence> sequence = fastQParser.Parse();
                            fastQFormatter = new FastQFormatter();
                            fastQFormatter.Format(sequence, null);
                            Assert.Fail();
                        }
                        catch (ArgumentNullException)
                        {
                            ApplicationLog.WriteLine("FastQ Parser P2 : Successfully validated the exception");
                        }
                        break;
                }
            }
        }
Exemplo n.º 5
0
        /// <summary>
        /// General method to Invalidate FastQ Parser.
        /// <param name="nodeName">xml node name.</param>
        /// <param name="param">FastQ Formatter different parameters</param>
        /// </summary>
        void InValidateFastQFormatter(FastQFormatParameters param)
        {
            // Gets the expected sequence from the Xml
            string filepath = _utilityObj._xmlUtil.GetTextValue(
                Constants.MultiSeqSangerRnaProNode, Constants.FilePathNode);
            FastQFormatType expectedFormatType = Utility.GetFastQFormatType(
                _utilityObj._xmlUtil.GetTextValue(Constants.MultiSeqSangerRnaProNode,
                                                  Constants.FastQFormatType));

            // Parse a FastQ file.
            using (FastQParser fastQParser = new FastQParser())
            {
                fastQParser.AutoDetectFastQFormat = true;
                fastQParser.FastqType             = expectedFormatType;

                IQualitativeSequence sequence = null;
                sequence = fastQParser.ParseOne(filepath);
                FastQFormatter fastQFormatter = new FastQFormatter();
                TextWriter     txtWriter      = null;

                switch (param)
                {
                case FastQFormatParameters.TextWriter:
                    try
                    {
                        fastQFormatter.Format(sequence, null as TextWriter);
                        Assert.Fail();
                    }

                    catch (Exception)
                    {
                        ApplicationLog.WriteLine(
                            "FastQ Parser P2 : Successfully validated the exception");
                        Console.WriteLine(
                            "FastQ Parser P2 : Successfully validated the exception");
                    }
                    break;

                case FastQFormatParameters.Sequence:
                    try
                    {
                        fastQFormatter.Format(null as ISequence, txtWriter);
                        Assert.Fail();
                    }

                    catch (Exception)
                    {
                        ApplicationLog.WriteLine(
                            "FastQ Parser P2 : Successfully validated the exception");
                        Console.WriteLine(
                            "FastQ Parser P2 : Successfully validated the exception");
                    }
                    break;

                case FastQFormatParameters.QualitativeSequence:
                    try
                    {
                        fastQFormatter.Format(null as IQualitativeSequence, txtWriter);
                        Assert.Fail();
                    }

                    catch (Exception)
                    {
                        ApplicationLog.WriteLine(
                            "FastQ Parser P2 : Successfully validated the exception");
                        Console.WriteLine(
                            "FastQ Parser P2 : Successfully validated the exception");
                    }
                    break;

                default:
                    try
                    {
                        fastQFormatter.Format(sequence as QualitativeSequence, null as TextWriter);
                        Assert.Fail();
                    }
                    catch (Exception)
                    {
                        ApplicationLog.WriteLine(
                            "FastQ Parser P2 : Successfully validated the exception");
                        Console.WriteLine(
                            "FastQ Parser P2 : Successfully validated the exception");
                    }
                    break;
                }
            }
        }
Exemplo n.º 6
0
        /// <summary>
        ///     General method to validate BasicSequence Parser.
        ///     <param name="nodeName">xml node name.</param>
        /// </summary>
        private void ValidateBasicSequenceParser(string nodeName)
        {
            // Gets the expected sequence from the Xml
            string filepathOriginal = utilityObj.xmlUtil.GetTextValue(nodeName, Constants.FilePathNode);
            string expectedQualitativeSequence = utilityObj.xmlUtil.GetTextValue(nodeName, Constants.ExpectedSequenceNode);
            string expectedSequenceId = utilityObj.xmlUtil.GetTextValue(nodeName, Constants.SequenceIdNode);
            IAlphabet alphabet = Utility.GetAlphabet(utilityObj.xmlUtil.GetTextValue(nodeName, Constants.AlphabetNameNode));
            Assert.IsTrue(File.Exists(filepathOriginal));

            string tempPath = Path.GetTempFileName();

            try
            {
                ISequenceParser fastQParserObj = SequenceParsers.FindParserByFileName("temp.fq");
                
                // Read the original file
                IEnumerable<ISequence> seqsOriginal = fastQParserObj.Parse(filepathOriginal);
                Assert.IsNotNull(seqsOriginal);

                // Use the formatter to write the original sequences to a temp file               
                var formatter = new FastQFormatter();
                formatter.Format(seqsOriginal.ElementAt(0), tempPath);


                // Read the new file, then compare the sequences
                var fastQParserObjNew = new FastQParser();
                IEnumerable<IQualitativeSequence> seqsNew = fastQParserObjNew.Parse(tempPath);
                Assert.IsNotNull(seqsNew);

                // Validate qualitative Sequence upon parsing FastQ file.
                Assert.AreEqual(expectedQualitativeSequence,
                    new string(seqsOriginal.ElementAt(0).Select(a => (char) a).ToArray()));
                Assert.AreEqual(
                    seqsOriginal.ElementAt(0).ID.ToString(null),
                    expectedSequenceId);
                Assert.AreEqual(
                    seqsOriginal.ElementAt(0).Alphabet.Name,
                    alphabet.Name);

                ApplicationLog.WriteLine(string.Format("FastQ Parser P1: The FASTQ sequence '{0}' validation after Parse() is found to be as expected.",
                                                       seqsOriginal.ElementAt(0)));
            }
            finally
            {
                File.Delete(tempPath);
            }
        }
Exemplo n.º 7
0
        private void ValidateFastQFormatter(string nodeName, bool writeMultipleSequences)
        {
            // Gets the expected sequence from the Xml
            string filePath = utilityObj.xmlUtil.GetTextValue(nodeName, Constants.FilePathNode);
            string expectedQualitativeSequence = utilityObj.xmlUtil.GetTextValue(nodeName, Constants.ExpectedSequenceNode);
            string expectedSequenceId = utilityObj.xmlUtil.GetTextValue(nodeName, Constants.SequenceIdNode);
            string tempFileName = Path.GetTempFileName();

            // Parse a FastQ file.
            var fastQParserObj = new FastQParser();
            using (fastQParserObj.Open(filePath))
            {
                IEnumerable<IQualitativeSequence> qualSequenceList = fastQParserObj.Parse();

                var fastQFormatter = new FastQFormatter();
                using (fastQFormatter.Open(tempFileName))
                {
                    if (writeMultipleSequences)
                    {
                        foreach (IQualitativeSequence newQualSeq in qualSequenceList)
                        {
                            fastQFormatter.Format(newQualSeq);
                        }
                    }                    
                    else
                    {
                        fastQFormatter.Format(qualSequenceList.First());
                    }
                } // temp file is closed.

                // Read the new file and validate the first Sequence.
                FastQParser fastQParserObjNew = new FastQParser();
                IQualitativeSequence firstSequence = fastQParserObjNew.ParseOne(tempFileName);

                // Validate qualitative Sequence upon parsing FastQ file.
                Assert.AreEqual(expectedQualitativeSequence, firstSequence.ConvertToString());
                Assert.AreEqual(expectedSequenceId, firstSequence.ID);

                ApplicationLog.WriteLine(string.Format("FastQ Parser P1: The FASTQ sequence '{0}' validation after Parse() is found to be as expected.", firstSequence));

                File.Delete(tempFileName);
            }
        }
Exemplo n.º 8
0
        /// <summary>
        ///     General method to validate FastQ formatting
        ///     Qualitative Sequence by passing TextWriter as a parameter
        ///     <param name="nodeName">xml node name.</param>
        /// </summary>
        private void ValidateFastQFormatByFormattingQualSeqeunce(string nodeName)
        {
            // Gets the actual sequence and the alphabet from the Xml
            IAlphabet alphabet = Utility.GetAlphabet(utilityObj.xmlUtil.GetTextValue(nodeName, Constants.AlphabetNameNodeV2));
            FastQFormatType expectedFormatType = Utility.GetFastQFormatType(utilityObj.xmlUtil.GetTextValue(nodeName, Constants.FastQFormatType));
            string qualSequence = utilityObj.xmlUtil.GetTextValue(nodeName, Constants.ExpectedSequenceNode);
            string expectedQualitativeSequence = utilityObj.xmlUtil.GetTextValue(nodeName, Constants.ExpectedSequenceNode);
            string qualityScores = "";
            int i;

            for (i = 0; i < qualSequence.Length; i++)
                qualityScores = qualityScores + "}";

            byte[] seq = Encoding.UTF8.GetBytes(qualSequence);
            byte[] qScore = Encoding.UTF8.GetBytes(qualityScores);
            string tempFileName = Path.GetTempFileName();

            // Create a Qualitative Sequence.
            var qualSeq = new QualitativeSequence(alphabet, expectedFormatType, seq, qScore);

            var formatter = new FastQFormatter();
            using (formatter.Open(tempFileName))
            {
                formatter.Format(qualSeq);
                formatter.Close();

                var fastQParserObj = new FastQParser();
                using (fastQParserObj.Open(tempFileName))
                {
                    // Read the new file and validate Sequences.
                    var seqsNew = fastQParserObj.Parse();
                    var firstSequence = seqsNew.First();

                    // Validate qualitative Sequence upon parsing FastQ file.
                    Assert.AreEqual(expectedQualitativeSequence, firstSequence.ConvertToString());
                    Assert.IsTrue(string.IsNullOrEmpty(firstSequence.ID));

                    ApplicationLog.WriteLine(string.Format("FastQ Parser P1: The FASTQ sequence '{0}' validation after Parse() is found to be as expected.", firstSequence));
                }

                File.Delete(tempFileName);
            }
        }
Exemplo n.º 9
0
        public static void Main(string[] args)
        {
            try {
                PlatformManager.Services.MaxSequenceSize    = int.MaxValue;
                PlatformManager.Services.DefaultBufferSize  = 4096;
                PlatformManager.Services.Is64BitProcessType = true;

                if (args.Length > 3)
                {
                    Console.WriteLine("Too many arguments");
                    DisplayHelp();
                }
                else if (args.Length < 2)
                {
                    Console.WriteLine("Not enough arguments");
                    DisplayHelp();
                }
                else if (args [0] == "h" || args [0] == "help" || args [0] == "?" || args [0] == "-h")
                {
                    DisplayHelp();
                }
                else
                {
                    string bam_name  = args [0];
                    string threshold = args [1];
                    string output    = args [2];
                    if (!File.Exists(bam_name))
                    {
                        Console.WriteLine("Can't find file: " + bam_name);
                        return;
                    }
                    double min_rq;
                    bool   converted = Double.TryParse(threshold, out min_rq);
                    if (!converted)
                    {
                        Console.WriteLine("Could not parse minimum threshold from : " + threshold + " expected decimal number in [0,1] interval.");
                        return;
                    }
                    if (min_rq < 0.0 || min_rq > 1.0)
                    {
                        Console.WriteLine("Minimum RQ value: " + min_rq + " was not in [0,1] interval.");
                        return;
                    }
                    if (File.Exists(output))
                    {
                        Console.WriteLine("The output file already exists, please specify a new name or delete the old one.");
                        return;
                    }

                    var fastq = new FastQFormatter();
                    fastq.FormatType = FastQFormatType.Sanger;
                    var os = new FileStream(output, FileMode.CreateNew);
                    // Filter and output
                    PacBioCCSBamReader bamreader = new PacBioCCSBamReader();
                    int numRead     = 0;
                    int numFiltered = 0;
                    foreach (var read in bamreader.Parse(bam_name))
                    {
                        numRead++;
                        var ccs = read as PacBioCCSRead;
                        if (ccs.ReadQuality > min_rq)
                        {
                            //read.ID = read.ID + "/RQ=" + read.ReadQuality;
                            fastq.Format(os, read);
                        }
                        else
                        {
                            numFiltered++;
                        }
                    }
                    os.Close();
                    Console.WriteLine("Parsed " + numRead + " reads and filtered out " + numFiltered + " for RQ < " + min_rq);
                }
            }
            catch (DllNotFoundException thrown) {
                Console.WriteLine("Error thrown when attempting to generate the CCS results.");
                Console.WriteLine("A shared library was not found.  To solve this, please add the folder" +
                                  " with the downloaded file libMonoPosixHelper" +
                                  "to your environmental variables (LD_LIBRARY_PATH and DYLD_LIBRARY_PATH on Mac OS X).");
                Console.WriteLine("Error: " + thrown.Message);
                Console.WriteLine(thrown.StackTrace);
            }
            catch (Exception thrown) {
                Console.WriteLine("Error thrown when attempting to generate the FASTQ File");
                Console.WriteLine("Error: " + thrown.Message);
                Console.WriteLine(thrown.StackTrace);
                while (thrown.InnerException != null)
                {
                    Console.WriteLine("Inner Exception: " + thrown.InnerException.Message);
                    thrown = thrown.InnerException;
                }
            }
        }
Exemplo n.º 10
0
        /// <summary>
        ///     General method to validate FastQ Formatter on a Stream.
        ///     <param name="nodeName">xml node name.</param>
        /// </summary>
        private void ValidateFastQFormatterOnAStream(string nodeName)
        {
            // Gets the expected sequence from the Xml
            string filePath = utilityObj.xmlUtil.GetTextValue(nodeName, Constants.FilePathNode);
            string expectedQualitativeSequence = utilityObj.xmlUtil.GetTextValue(nodeName, Constants.ExpectedSequenceNode);
            string expectedSequenceId = utilityObj.xmlUtil.GetTextValue(nodeName, Constants.SequenceIdNode);
            string tempFileName1 = Path.GetTempFileName();

            // Parse a FastQ file using parseOne method.
            var fastQParserObj = new FastQParser();
            using (fastQParserObj.Open(filePath))
            {
                var oneSequence = fastQParserObj.ParseOne();

                // New Sequence after formatting file.                
                var fastQFormatter = new FastQFormatter();
                using (fastQFormatter.Open(tempFileName1))
                    fastQFormatter.Format(oneSequence);

                var fastQParserObjTemp = new FastQParser();
                string parsedValue, parsedId;
                using (fastQParserObjTemp.Open(tempFileName1))
                {
                    oneSequence = fastQParserObjTemp.Parse().First();
                    parsedValue = oneSequence.ConvertToString();
                    parsedId = oneSequence.ID;
                }

                // Validate qualitative parsing temporary file.                
                Assert.AreEqual(expectedQualitativeSequence, parsedValue);
                Assert.AreEqual(expectedSequenceId, parsedId);
                ApplicationLog.WriteLine(string.Format("FastQ Formatter BVT: The FASTQ sequence '{0}' validation after Write() and Parse() is found to be as expected.", parsedValue));
                ApplicationLog.WriteLine(string.Format("FastQ Formatter BVT: The FASTQ sequence '{0}' validation after Write() and Parse() is found to be as expected.", parsedId));

                File.Delete(tempFileName1);
            }
        }
Exemplo n.º 11
0
        public static void Main(string[] args)
        {
            try {
                PlatformManager.Services.MaxSequenceSize = int.MaxValue;
                PlatformManager.Services.DefaultBufferSize = 4096;
                PlatformManager.Services.Is64BitProcessType = true;

                if (args.Length > 3) {
                    Console.WriteLine ("Too many arguments");
                    DisplayHelp ();
                } else if (args.Length < 2) {
                    Console.WriteLine("Not enough arguments");
                    DisplayHelp();
                } else if (args [0] == "h" || args [0] == "help" || args [0] == "?" || args [0] == "-h") {
                    DisplayHelp ();
                } else {
                    string bam_name = args [0];
                    string threshold = args [1];
                    string output = args [2];
                    if (!File.Exists(bam_name)) {
                        Console.WriteLine ("Can't find file: " + bam_name);
                        return;
                    }
                    double min_rq;
                    bool converted = Double.TryParse(threshold, out min_rq);
                    if (!converted) {
                        Console.WriteLine ("Could not parse minimum threshold from : " + threshold + " expected decimal number in [0,1] interval.");
                        return;
                    }
                    if (min_rq < 0.0 || min_rq > 1.0) {
                        Console.WriteLine ("Minimum RQ value: " + min_rq + " was not in [0,1] interval.");
                        return;
                    }
                    if (File.Exists (output)) {
                        Console.WriteLine ("The output file already exists, please specify a new name or delete the old one.");
                        return;
                    }

                    var fastq = new FastQFormatter();
                    fastq.FormatType = FastQFormatType.Sanger;
                    var os = new FileStream(output, FileMode.CreateNew);
                    // Filter and output
                    PacBioCCSBamReader bamreader = new PacBioCCSBamReader ();
                    int numRead = 0;
                    int numFiltered = 0;
                    foreach(var read in bamreader.Parse(bam_name)) {
                        numRead++;
                        var ccs = read as PacBioCCSRead;
                        if (ccs.ReadQuality > min_rq) {
                            //read.ID = read.ID + "/RQ=" + read.ReadQuality;
                            fastq.Format(os,read);
                        }
                        else {
                            numFiltered ++;
                        }
                    }
                    os.Close();
                    Console.WriteLine("Parsed " + numRead + " reads and filtered out " + numFiltered + " for RQ < " + min_rq);
                }
            }
            catch(DllNotFoundException thrown) {
                Console.WriteLine ("Error thrown when attempting to generate the CCS results.");
                Console.WriteLine("A shared library was not found.  To solve this, please add the folder" +
                    " with the downloaded file libMonoPosixHelper" +
                    "to your environmental variables (LD_LIBRARY_PATH and DYLD_LIBRARY_PATH on Mac OS X).");
                Console.WriteLine ("Error: " + thrown.Message);
                Console.WriteLine (thrown.StackTrace);

            }
            catch(Exception thrown) {
                Console.WriteLine ("Error thrown when attempting to generate the FASTQ File");
                Console.WriteLine ("Error: " + thrown.Message);
                Console.WriteLine (thrown.StackTrace);
                while (thrown.InnerException != null) {
                    Console.WriteLine ("Inner Exception: " + thrown.InnerException.Message);
                    thrown = thrown.InnerException;
                }
            }
        }