public void TestNotifyEveryRowAll(DataReaderSource source)
{
var r3 = TestDataHelpers.GetSampleDataReader(source, 100);
var i = 0;
var drr = r3.NotifyOn(p => i++, 1);
drr.ReadToEnd();
Assert.AreEqual(100, i); //two notifications
}
public void TestNotifyLastRow(DataReaderSource source)
{
var r3 = TestDataHelpers.GetSampleDataReader(DataReaderSource.DataTable, 100);
//var r3 = GetADataReader(source, 3);
var i = 0;
var c = 0;
var drr = r3.NotifyOn(p =>
{
i = p;
c++;
}, 1024);
drr.ReadToEnd();
Assert.AreEqual(100, i);
Assert.AreEqual(1, c);
}
public void TestModulus(DataReaderSource source)
{
var r3 =
Enumerable.Range(1, 100).Select(i => new
{
Col1 = i,
Col2 = 20,
Col3 = "abc",
})
.ToDataReader();
var i = 0;
var drr = r3.NotifyOn(p => i = p, 10);
drr.Read(3);
Assert.AreEqual(0, i); //two notifications
}
public static IDataReader GetSampleDataReader(DataReaderSource source, int count)
{
var r =
Enumerable.Range(1, count).Select(i => new
{
Col1 = i,
Col2 = i * 10,
Col3 = $"{i}-abc",
})
.ToArray();
var rr = source switch
{
DataReaderSource.Csv => (IDataReader)Csv.ReadString(r.ToCsvString()),
DataReaderSource.DataTable => (IDataReader)r.ToDataTable().ToDataReader(),
DataReaderSource.ObjectReader => (IDataReader)r.ToDataReader()
};
return(rr);
}
}
public void TestNotifyEveryRowNoParam(DataReaderSource source)
{
var r3 =
Enumerable.Range(1, 100).Select(i => new
{
Col1 = i,
Col2 = 20,
Col3 = "abc",
})
.ToDataReader();
var i = 0;
var drr = r3.NotifyOn(p =>
{
i++;
});
drr.Read();
drr.Read();
Assert.AreEqual(2, i); //two notifications
}
