public void ReadMultipleDataRowsAndBlankLastRow()
{
RowData rowData = new RowData();
IFileReader reader = FileReaderTest.GetReader("1,1,1,1\r\n2,2,2,2\r\n3,3,3,3\r\n4,4,4,4\r\n");
DelimitedFileParser parser = new DelimitedFileParser(",", "\r\n");
parser.SkipInitialRows(reader);
parser.ParseNextRow(reader, rowData);
RowDataTest.VerifyParsedRow(rowData, new string[] { "1", "1", "1", "1" });
parser.ParseNextRow(reader, rowData);
RowDataTest.VerifyParsedRow(rowData, new string[] { "2", "2", "2", "2" });
parser.ParseNextRow(reader, rowData);
RowDataTest.VerifyParsedRow(rowData, new string[] { "3", "3", "3", "3" });
parser.ParseNextRow(reader, rowData);
RowDataTest.VerifyParsedRow(rowData, new string[] { "4", "4", "4", "4" });
parser.ParseNextRow(reader, rowData);
RowDataTest.VerifyParsedRow(rowData, new string[0]);
}
public void ReadSingleColumnRows3()
{
RowData rowData = new RowData();
IFileReader reader = FileReaderTest.GetReader("\"ABC\"\r\n\"DE\"F\r\n\"G\"HI");
DelimitedFileParser parser = new DelimitedFileParser(string.Empty, "\r\n");
parser.TextQualifier = "\"";
parser.ParseNextRow(reader, rowData);
RowDataTest.VerifyParsedRow(rowData, new string[] { "ABC" });
parser.ParseNextRow(reader, rowData);
RowDataTest.VerifyParsedRow(rowData, new string[] { "DEF" });
parser.ParseNextRow(reader, rowData);
RowDataTest.VerifyParsedRow(rowData, new string[] { "GHI" });
}
public void ReadMultipleDataRowsAfterHeader()
{
RowData rowData = new RowData();
IFileReader reader = FileReaderTest.GetReader("\r\n\r\nHeader text\r\n1,1,1,1\r\n2,2,2,2\r\n3,3,3,3\r\n4,4,4,4");
DelimitedFileParser parser = new DelimitedFileParser(",", "\r\n");
parser.HeaderRowDelimiter = "\r\n";
parser.HeaderRowsToSkip = 3;
parser.SkipHeaderRows(reader);
parser.ParseNextRow(reader, rowData);
RowDataTest.VerifyParsedRow(rowData, new string[] { "1", "1", "1", "1" });
parser.ParseNextRow(reader, rowData);
RowDataTest.VerifyParsedRow(rowData, new string[] { "2", "2", "2", "2" });
parser.ParseNextRow(reader, rowData);
RowDataTest.VerifyParsedRow(rowData, new string[] { "3", "3", "3", "3" });
parser.ParseNextRow(reader, rowData);
RowDataTest.VerifyParsedRow(rowData, new string[] { "4", "4", "4", "4" });
}
public void ReadSingleColumnRows()
{
RowData rowData = new RowData();
IFileReader reader = FileReaderTest.GetReader("1,2,3");
DelimitedFileParser parser = new DelimitedFileParser(string.Empty, ",");
parser.ParseNextRow(reader, rowData);
RowDataTest.VerifyParsedRow(rowData, new string[] { "1" });
parser.ParseNextRow(reader, rowData);
RowDataTest.VerifyParsedRow(rowData, new string[] { "2" });
parser.ParseNextRow(reader, rowData);
RowDataTest.VerifyParsedRow(rowData, new string[] { "3" });
}
public void ReadSingleColumnRows2()
{
RowData rowData = new RowData();
IFileReader reader = FileReaderTest.GetReader("ABC\r\nDEF\r\nGHI");
DelimitedFileParser parser = new DelimitedFileParser(string.Empty, "\r\n");
parser.ParseNextRow(reader, rowData);
RowDataTest.VerifyParsedRow(rowData, new string[] { "ABC" });
parser.ParseNextRow(reader, rowData);
RowDataTest.VerifyParsedRow(rowData, new string[] { "DEF" });
parser.ParseNextRow(reader, rowData);
RowDataTest.VerifyParsedRow(rowData, new string[] { "GHI" });
}
public void ReadMultipleDataRowsAfterHeaderWithMessyParsing()
{
RowData rowData = new RowData();
IFileReader reader = FileReaderTest.GetReader("\r\n\r\nHeader text\r\n A)::-)brr\"-:-)\r\n-\r\nasdfghj\"-\"\"-\":-)\"-\":-)\"-\"\"-\"\"-\":--\r");
DelimitedFileParser parser = new DelimitedFileParser(":-)", "-\r\n");
parser.HeaderRowDelimiter = "\r\n";
parser.HeaderRowsToSkip = 3;
parser.TextQualifier = "\"-\"";
parser.SkipHeaderRows(reader);
parser.ParseNextRow(reader, rowData);
RowDataTest.VerifyParsedRow(rowData, new string[] { " A):", "brr\"-", "\r\n" });
parser.ParseNextRow(reader, rowData);
RowDataTest.VerifyParsedRow(rowData, new string[] { "asdfghj\"-\"\"-\"", ":-)\"-\":-" });
}
public override void PrimeOutput(int outputs, int[] outputIDs, PipelineBuffer[] buffers)
{
PipelineBuffer mainBuffer = null;
PipelineBuffer errorBuffer = null;
IDTSOutput100 mainOutput = null;
int errorOutID = 0;
int errorOutIndex = 0;
// If there is an error output, figure out which output is the main
// and which is the error
if (outputs == 2)
{
GetErrorOutputInfo(ref errorOutID, ref errorOutIndex);
if (outputIDs[0] == errorOutID)
{
mainBuffer = buffers[1];
errorBuffer = buffers[0];
mainOutput = this.ComponentMetaData.OutputCollection[1];
}
else
{
mainBuffer = buffers[0];
errorBuffer = buffers[1];
mainOutput = this.ComponentMetaData.OutputCollection[0];
}
}
else
{
mainBuffer = buffers[0];
mainOutput = this.ComponentMetaData.OutputCollection[0];
}
bool firstRowColumnNames = (bool)this.GetComponentPropertyValue(PropertiesManager.ColumnNamesInFirstRowPropName);
bool treatNulls = (bool)this.GetComponentPropertyValue(PropertiesManager.TreatEmptyStringsAsNullPropName);
FileReader reader = new FileReader(this.fileName, this.GetEncoding());
DelimitedFileParser parser = this.CreateParser();
ComponentBufferService bufferService = new ComponentBufferService(mainBuffer, errorBuffer);
BufferSink bufferSink = new BufferSink(bufferService, mainOutput, treatNulls);
bufferSink.CurrentRowCount = parser.HeaderRowsToSkip + parser.DataRowsToSkip + (firstRowColumnNames ? 1 : 0);
try
{
parser.SkipInitialRows(reader);
RowData rowData = new RowData();
while (!reader.IsEOF)
{
parser.ParseNextRow(reader, rowData);
if (rowData.ColumnCount == 0)
{
// Last row with no data will be ignored.
break;
}
bufferSink.AddRow(rowData);
}
}
catch (ParsingBufferOverflowException ex)
{
this.PostErrorAndThrow(MessageStrings.ParsingBufferOverflow(bufferSink.CurrentRowCount + 1, ex.ColumnIndex + 1, FieldParser.ParsingBufferMaxSize));
}
catch (RowColumnNumberOverflow)
{
this.PostErrorAndThrow(MessageStrings.MaximumColumnNumberOverflow(bufferSink.CurrentRowCount + 1, RowParser.MaxColumnNumber));
}
finally
{
reader.Close();
}
foreach (PipelineBuffer buffer in buffers)
{
buffer.SetEndOfRowset();
}
}
public void SkipHeaderRowsArgumentTest()
{
DelimitedFileParser parser = new DelimitedFileParser(",", "\r\n");
parser.SkipHeaderRows(null);
}
public void ReadColumnNamesTest()
{
RowData rowData = new RowData();
IFileReader reader = FileReaderTest.GetReader("A,B,C\r\n1,2,3");
DelimitedFileParser parser = new DelimitedFileParser(",", "\r\n");
parser.ColumnNameInFirstRow = true;
parser.ParseNextRow(reader, rowData);
RowDataTest.VerifyParsedRow(rowData, new string[] { "A", "B", "C" });
}
public void ColumnNameInFirstRowTest()
{
DelimitedFileParser target = new DelimitedFileParser(",", "\r\n");
bool expected = false;
bool actual;
target.ColumnNameInFirstRow = expected;
actual = target.ColumnNameInFirstRow;
Assert.AreEqual(expected, actual);
}
public void ParseNExtRowArgumentTest()
{
DelimitedFileParser parser = new DelimitedFileParser(",", "\r\n");
parser.ParseNextRow(null, null);
}
public void HeaderRowDelimiterTest()
{
DelimitedFileParser target = new DelimitedFileParser(",", "\r\n");
string expected = "\r\n";
string actual;
target.HeaderRowDelimiter = expected;
actual = target.HeaderRowDelimiter;
Assert.AreEqual(expected, actual);
}
public void DataRowsToSkipTest()
{
DelimitedFileParser target = new DelimitedFileParser(",", "\r\n");
int expected = 17;
int actual;
target.DataRowsToSkip = expected;
actual = target.DataRowsToSkip;
Assert.AreEqual(expected, actual);
}
public void TextQualifierTest()
{
DelimitedFileParser target = new DelimitedFileParser(",", "\r\n");
string expected = "\"";
string actual;
target.TextQualifier = expected;
actual = target.TextQualifier;
Assert.AreEqual(expected, actual);
}
public void TestSkippingRows()
{
RowData rowData = new RowData();
IFileReader reader = FileReaderTest.GetReader("\r\n\r\nHeader\r\nA,B,C,D\r\n1,1,1,1\r\n2,2,2,2\r\n3,3,3,3\r\n4,4,4,4\r\n");
DelimitedFileParser parser = new DelimitedFileParser(",", "\r\n");
parser.HeaderRowDelimiter = "\r\n";
parser.HeaderRowsToSkip = 3;
parser.DataRowsToSkip = 3;
parser.ColumnNameInFirstRow = true;
parser.SkipInitialRows(reader);
parser.ParseNextRow(reader, rowData);
RowDataTest.VerifyParsedRow(rowData, new string[] { "4", "4", "4", "4" });
parser.ParseNextRow(reader, rowData);
RowDataTest.VerifyParsedRow(rowData, new string[0]);
Assert.AreEqual<bool>(true, reader.IsEOF);
}
public void ReadQualifiedColumnNamesAfterHeaderTest()
{
RowData rowData = new RowData();
IFileReader reader = FileReaderTest.GetReader("\r\n\r\nHeader text\r\n\"A\",B,\"C\"\r\n1,2,3");
DelimitedFileParser parser = new DelimitedFileParser(",", "\r\n");
parser.ColumnNameInFirstRow = true;
parser.HeaderRowDelimiter = "\r\n";
parser.HeaderRowsToSkip = 3;
parser.TextQualifier = "\"";
parser.SkipHeaderRows(reader);
parser.ParseNextRow(reader, rowData);
RowDataTest.VerifyParsedRow(rowData, new string[] { "A", "B", "C" });
}
public void TestSkippingTooManyHeaderRows()
{
RowData rowData = new RowData();
IFileReader reader = FileReaderTest.GetReader("\r\n\r\nHeader\r\nA,B,C,D\r\n1,1,1,1\r\n2,2,2,2\r\n3,3,3,3\r\n4,4,4,4\r\n");
DelimitedFileParser parser = new DelimitedFileParser(",", "\r\n");
parser.HeaderRowDelimiter = "\r\n";
parser.HeaderRowsToSkip = 12;
parser.DataRowsToSkip = 15;
parser.ColumnNameInFirstRow = true;
parser.SkipInitialRows(reader);
Assert.AreEqual<bool>(true, reader.IsEOF);
}
public void ReadSingleDataRow()
{
RowData rowData = new RowData();
IFileReader reader = FileReaderTest.GetReader("1,2,3");
DelimitedFileParser parser = new DelimitedFileParser(",", "\r\n");
parser.ParseNextRow(reader, rowData);
RowDataTest.VerifyParsedRow(rowData, new string[] { "1", "2", "3" });
}
public void DelimitedFileParserConstructorTest3()
{
DelimitedFileParser target = new DelimitedFileParser(",", string.Empty);
}
private DelimitedFileParser CreateParser()
{
string columnDelimiter = (string)this.GetComponentPropertyValue(PropertiesManager.ColumnDelimiterPropName);
string rowDelimiter = (string)this.GetComponentPropertyValue(PropertiesManager.RowDelimiterPropName);
string textQualifier = (string)this.GetComponentPropertyValue(PropertiesManager.TextQualifierPropName);
string headerRowDelimiter = (string)this.GetComponentPropertyValue(PropertiesManager.HeaderRowDelimiterPropName);
int headerRowsToSkip = (int)this.GetComponentPropertyValue(PropertiesManager.HeaderRowsToSkipPropName);
int dataRowsToSkip = (int)this.GetComponentPropertyValue(PropertiesManager.DataRowsToSkipPropName);
bool columnNamesInFirstRow = (bool)this.GetComponentPropertyValue(PropertiesManager.ColumnNamesInFirstRowPropName);
DelimitedFileParser parser = new DelimitedFileParser(columnDelimiter, rowDelimiter);
parser.HeaderRowDelimiter = headerRowDelimiter;
parser.HeaderRowsToSkip = headerRowsToSkip;
parser.DataRowsToSkip = dataRowsToSkip;
parser.TextQualifier = textQualifier;
parser.ColumnNameInFirstRow = columnNamesInFirstRow;
return parser;
}
