public void OpensFile()
{
using (var file = new FixedWidthFile(filename))
{
file.Open();
}
Assert.IsTrue(true);
}
public void ReadAndParseFirstLine()
{
ItemEntity entity = new ItemEntity();
using (var file = new FixedWidthFile(filename))
{
file.Open();
var line = file.ReadLine();
entity.Name = line.GetField(0, 19).ToString().Trim();
entity.Price = line.GetField(20, 29).TryToDecimal() ?? 0;
entity.UPC = line.GetField(29, 42).ToString();
entity.Size = line.GetField(42, 52).ToString().Trim();
entity.Brand = line.GetField(52, 72).ToString().Trim();
entity.EffectiveDate = line.GetField(73, 82).TryToDateTime();
}
Assert.AreEqual("Pepsi Max", entity.Name);
Assert.AreEqual(1.69M, entity.Price);
Assert.AreEqual("0120000011880", entity.UPC);
Assert.AreEqual("20oz", entity.Size);
Assert.AreEqual("Pepsi", entity.Brand);
Assert.AreEqual(new DateTime(2011, 6, 18), entity.EffectiveDate);
}
public void AlternateFieldAccessMethod()
{
ItemEntity entity = new ItemEntity();
using (var file = new FixedWidthFile(filename))
{
file.Open();
var line = file.ReadLine();
entity.Name = line[0, 19].ToString().Trim();
entity.Price = line[20, 29].TryToDecimal() ?? 0;
entity.UPC = line[29, 42].ToString();
entity.Size = line[42, 52].ToString().Trim();
entity.Brand = line[52, 72].ToString().Trim();
entity.EffectiveDate = line[73, 82].TryToDateTime();
}
Assert.AreEqual("Pepsi Max", entity.Name);
Assert.AreEqual(1.69M, entity.Price);
Assert.AreEqual("0120000011880", entity.UPC);
Assert.AreEqual("20oz", entity.Size);
Assert.AreEqual("Pepsi", entity.Brand);
Assert.AreEqual(new DateTime(2011, 6, 18), entity.EffectiveDate);
}
public void ReadEmptyLineReturnsNull()
{
File.Delete(filename);
var testfile = new StreamWriter(File.OpenWrite(filename));
testfile.WriteLine("");
testfile.Close();
using (var file = new FixedWidthFile(filename))
{
file.Open();
var line = file.ReadLine();
Assert.AreEqual(string.Empty, line.ToString());
}
}
public void ThrowsFileNotFoundWhenDoesNotExist()
{
using (var file = new FixedWidthFile("doesnotexist.txt"))
{
try
{
file.Open();
}
catch (FileNotFoundException e)
{
Assert.IsTrue(true);
return;
}
Assert.IsTrue(false);
}
}
public void ReadUntilEOL()
{
using (var file = new FixedWidthFile(filename))
{
file.Open();
FixedWidthLine line;
do
{
line = file.ReadLine();
} while (!line.IsEOF);
Assert.IsTrue(true);
}
}
public void ReadSingleLine()
{
using (var file = new FixedWidthFile(filename))
{
file.Open();
var line = file.ReadLine();
Assert.AreEqual(firstLine, line.ToString());
}
}
