public void GetBytes_Should_Return_Value_Wehn_IsDbNull_Returns_False()
{
byte[] fakeResult = new byte[1];
var mockDataReader = new Mock <IDataReader>();
mockDataReader.Setup(x => x.GetOrdinal("bytes")).Returns(15);
mockDataReader.Setup(x => x.IsDBNull(15)).Returns(false);
mockDataReader.Setup(x => x.GetValue(15)).Returns(fakeResult);
var sut = new OptimizedDataReader(mockDataReader.Object);
var result = sut.GetBytes("bytes");
Assert.Equal(fakeResult, result);
mockDataReader.Verify(x => x.GetOrdinal("bytes"), Times.Once);
mockDataReader.Verify(x => x.GetValue(15), Times.Once);
//Query the same row shouldn't call GetOrdinal
mockDataReader.Invocations.Clear();
var result2 = sut.GetBytes("bytes");
Assert.Equal(fakeResult, result2);
mockDataReader.Verify(x => x.GetOrdinal("bytes"), Times.Never);
mockDataReader.Verify(x => x.GetValue(15), Times.Once);
}
public void GetBytes_Should_Return_Null_Wehn_IsDbNull_Returns_True()
{
var mockDataReader = new Mock <IDataReader>();
mockDataReader.Setup(x => x.GetOrdinal("bytes")).Returns(15);
mockDataReader.Setup(x => x.IsDBNull(15)).Returns(true);
mockDataReader.Setup(x => x.GetValue(15));
var sut = new OptimizedDataReader(mockDataReader.Object);
var result = sut.GetBytes("bytes");
Assert.Null(result);
mockDataReader.Verify(x => x.GetOrdinal("bytes"), Times.Once);
mockDataReader.Verify(x => x.IsDBNull(15), Times.Once);
mockDataReader.Verify(x => x.GetString(15), Times.Never);
}