public async Task TestReading()
{
string fileName = CommaDelimitedFileUnitTest.ComposeFileName();
try
{
IReadOnlyCollection<string> columnNames =
Enumerable.Range(0, CommaDelimitedFileUnitTest.CountColumns)
.Select(
(int item) =>
item.ToString(CultureInfo.InvariantCulture))
.ToArray();
ITabularFileAdapter fileStore = null;
try
{
fileStore = new CommaDelimitedFileAdapter(fileName, columnNames);
Assert.IsTrue(File.Exists(fileName));
Dictionary<string, string> columnsWritten =
columnNames
.ToDictionary(
(string item) =>
item,
(string item) =>
Guid.NewGuid().ToString());
IRow rowWritten = await fileStore.InsertRow(columnsWritten);
Assert.IsNotNull(rowWritten);
Assert.IsFalse(string.IsNullOrWhiteSpace(rowWritten.Key));
IRow rowRead = await fileStore.ReadRow(rowWritten.Key);
Assert.IsNotNull(rowRead.Columns);
Assert.AreEqual(CommaDelimitedFileUnitTest.CountColumns, rowRead.Columns.Count);
foreach (string columnName in columnsWritten.Keys)
{
Assert.IsTrue(
string.Equals(
columnsWritten[columnName],
rowRead.Columns[columnName],
StringComparison.OrdinalIgnoreCase));
}
}
finally
{
if (fileStore != null)
{
fileStore.Dispose();
fileStore = null;
}
}
}
finally
{
if (File.Exists(fileName))
{
File.Delete(fileName);
}
}
}
