public void DefaultCommentPrefixIsPound()
{
StringReader documentReader = new StringReader("");
CsvReader reader = new CsvReader(documentReader);
Assert.AreEqual('#', reader.CommentPrefix);
}
public void DefaultFieldDelimiterIsComma()
{
StringReader document = new StringReader("");
CsvReader reader = new CsvReader(document);
Assert.AreEqual(',', reader.FieldDelimiter);
}
public void ReadRecords(string document, char fieldDelimiter, char commentPrefix, object[] expectedRecords)
{
StringReader documentReader = new StringReader(document);
CsvReader reader = new CsvReader(documentReader);
reader.FieldDelimiter = fieldDelimiter;
Assert.AreEqual(fieldDelimiter, reader.FieldDelimiter);
reader.CommentPrefix = commentPrefix;
Assert.AreEqual(commentPrefix, reader.CommentPrefix);
List<string[]> actualRecords = new List<string[]>();
string[] record;
while ((record = reader.ReadRecord()) != null)
actualRecords.Add(record);
Assert.Over.Pairs(expectedRecords, actualRecords, (expectedRecord, actualRecord) => Assert.AreEqual((string[])expectedRecord, actualRecord));
}
/// <inheritdoc />
protected override IEnumerable<IDataItem> GetItemsImpl(ICollection<DataBinding> bindings, bool includeDynamicItems)
{
if (!isDynamic || includeDynamicItems)
{
using (var reader = new CsvReader(documentReaderProvider()))
{
reader.FieldDelimiter = fieldDelimiter;
reader.CommentPrefix = commentPrefix;
string[] header = null;
Dictionary<string, int> metadataColumns = null;
if (hasHeader)
{
header = reader.ReadRecord();
if (header == null)
yield break;
metadataColumns = new Dictionary<string, int>();
for (int i = 0; i < header.Length; i++)
{
string columnName = header[i];
if (columnName.StartsWith("[") && columnName.EndsWith("]"))
metadataColumns[columnName.Substring(1, columnName.Length - 2)] = i;
}
}
for (; ; )
{
string[] record = reader.ReadRecord();
if (record == null)
yield break;
CodeLocation dataLocation = dataLocationName != null
? new CodeLocation(dataLocationName, reader.PreviousRecordLineNumber, 0)
: CodeLocation.Unknown;
yield return new Item(record, header,
GetMetadata(dataLocation, record, metadataColumns), isDynamic);
}
}
}
}
public void UpdatesTheLineNumber()
{
StringReader documentReader = new StringReader("abc\n#123\ndef");
CsvReader reader = new CsvReader(documentReader);
Assert.AreEqual(0, reader.PreviousRecordLineNumber);
Assert.AreEqual(new string[] { "abc" }, reader.ReadRecord());
Assert.AreEqual(1, reader.PreviousRecordLineNumber);
Assert.AreEqual(new string[] { "def" }, reader.ReadRecord());
Assert.AreEqual(3, reader.PreviousRecordLineNumber);
Assert.IsNull(reader.ReadRecord());
Assert.AreEqual(3, reader.PreviousRecordLineNumber);
}
public void DisposeClosesTheTextReader()
{
TextReader mockTextReader = Mocks.StrictMock<TextReader>();
mockTextReader.Close();
Mocks.ReplayAll();
IDisposable reader = new CsvReader(mockTextReader);
reader.Dispose();
}