public void Test_ReadMetadata_27728( )
{
var service = GetService( );
DataFileReaderSettings settings = new DataFileReaderSettings( );
using (Stream stream = SheetTestHelper.GetStream("Qualification.xlsx"))
using (IDataFile reader = service.OpenDataFile(stream, settings))
{
SheetMetadata metadata = reader.ReadMetadata( );
Assert.That(metadata.Fields, Has.Count.EqualTo(2));
Assert.That(metadata.Fields[0].Key, Is.EqualTo("A"));
Assert.That(metadata.Fields [1].Key, Is.EqualTo("B"));
Assert.That(metadata.Fields [0].Title, Is.EqualTo("Name"));
Assert.That(metadata.Fields [1].Title, Is.EqualTo("Qualifcation code"));
}
}
private SheetMetadata GetMetadata(string csv, DataFileReaderSettings settings)
{
var service = GetService();
SheetMetadata metadata;
using (MemoryStream stream = new MemoryStream())
using (StreamWriter writer = new StreamWriter(stream))
{
writer.Write(csv);
writer.Flush();
stream.Position = 0;
using (IDataFile dataFile = service.OpenDataFile(stream, settings ?? new DataFileReaderSettings( )))
{
metadata = dataFile.ReadMetadata( );
}
}
Assert.That(metadata, Is.Not.Null, "metadata");
return(metadata);
}
/// <summary>
/// Read sample data from a spreadsheet reader.
/// </summary>
/// <param name="stream">The spreadsheet.</param>
/// <param name="settings">Settings.</param>
/// <param name="service">The reader.</param>
/// <returns></returns>
public SampleTable CreateSample(Stream stream, DataFileReaderSettings settings, IDataFileReaderService service)
{
if (stream == null)
{
throw new ArgumentNullException(nameof(stream));
}
if (settings == null)
{
throw new ArgumentNullException(nameof(settings));
}
if (service == null)
{
throw new ArgumentNullException(nameof(service));
}
// Read field list
using (IDataFile dataFile = service.OpenDataFile(stream, settings))
{
SheetMetadata metadata = dataFile.ReadMetadata( );
SampleTable table = new SampleTable
{
Columns = metadata.Fields.Select(
field =>
new SampleColumn
{
ColumnName = field.Key,
Name = field.Title
}
).ToList( )
};
// Read records
var records = dataFile.GetObjects( ).Take(NumberOfSampleRows);
// Convert to sample rows
List <SampleRow> sampleRows = new List <SampleRow>( );
foreach (IObjectReader record in records)
{
// Read values
var values = metadata.Fields.Select(field =>
{
try
{
return(record.GetString(field.Key));
}
catch
{
return(string.Empty);
}
}).ToList( );
// Create sample row
SampleRow row = new SampleRow
{
Values = values
};
sampleRows.Add(row);
}
table.Rows = sampleRows;
return(table);
}
}
/// <summary>
/// Wrap ReadMetadata.
/// </summary>
public SheetMetadata ReadMetadata( )
{
return(_innerDataFile.ReadMetadata( ));
}
