public void TestNotEnoughtItems()
{
using (var reader = new CsvStreamReader <TestModel>(StreamHelper.GenerateStream("name,type,cost,id,date\nClaws,Attachment,10,\"34.5")))
{
reader.AsEnumerable().ToList();
}
}
/// <summary>
/// Method is meant to parse a csv string.
/// </summary>
/// <param name="csv">The csv string that needs to be parsed.</param>
/// <param name="options">The options that should be sent off to the stream.</param>
/// <typeparam name="TModel">The model the parser needs to turn into.</typeparam>
/// <returns>The list of objects that the parser comes back at.</returns>
public static List <TModel> Parse <TModel>(string csv, CsvStreamOptions options)
where TModel : class, new()
{
using (var reader = new CsvStreamReader <TModel>(GenerateStream(csv), options))
{
return(reader.AsEnumerable().ToList());
}
}
/// <summary>
/// Method is meant to deal with reading csv files from the system.
/// </summary>
/// <param name="path">The file path to the csv file that needs to be parsed.</param>
/// <param name="options">The options that should be sent off to the stream.</param>
/// <typeparam name="TModel">The model the parser needs to turn into.</typeparam>
/// <returns>The list of objects that the parser comes back at.</returns>
public static List <TModel> ParseFile <TModel>(string path, CsvStreamOptions options)
where TModel : class, new()
{
using (var reader = new CsvStreamReader <TModel>(path, options))
{
return(reader.AsEnumerable().ToList());
}
}
public void TestNoDefaults()
{
using (var reader = new CsvStreamReader <SecondTestModel>(StreamHelper.GenerateStream("Claws,,10,\"34.5\",03/27/1987"), new CsvStreamOptions()
{
AllowDefaults = false, ParseHeaders = false, DataRow = 0
}))
{
reader.AsEnumerable().ToList();
}
}
public void ProcessLargeFile()
{
using (var reader = new CsvStreamReader <LargeModel>("large.csv", new CsvStreamOptions()
{
ParseHeaders = false, RowDelimiter = "\n"
}))
{
var count = 0;
Parallel.ForEach(reader.AsEnumerable(), (x, state, index) => {
count++;
});
}
}
public void TestStringParser()
{
using (var reader = new CsvStreamReader <TestModel>(StreamHelper.GenerateStream("name,type,cost,id,date\r\nClaws,Attachment,10,\"34.5\",03/27/1987")))
{
var result = reader.AsEnumerable().FirstOrDefault();
Assert.AreEqual(result.Name, "Claws");
Assert.AreEqual(result.Type, TestType.Attachment);
Assert.AreEqual(result.Cost, 10);
Assert.AreEqual(result.Id, 34.5);
Assert.AreEqual(result.Date, DateTime.Parse("03/27/1987"));
}
}
public void TestNoDefaults()
{
using (var reader = new CsvStreamReader <TestModel>(StreamHelper.GenerateStream("name,type,cost,id,date\nClaws,Attachment,10,\"34.5\",03/27/1987"), new CsvStreamOptions()
{
AllowDefaults = false, RowDelimiter = "\n", HeaderRowDelimiter = "\n"
}))
{
var result = reader.AsEnumerable().FirstOrDefault();
Assert.AreEqual(result.Name, "Claws");
Assert.AreEqual(result.Type, TestType.Attachment);
Assert.AreEqual(result.Cost, 10);
Assert.AreEqual(result.Id, 34.5);
Assert.AreEqual(result.Date, DateTime.Parse("03/27/1987"));
}
}
public void TestNoHeaders()
{
using (var reader = new CsvStreamReader <SecondTestModel>(StreamHelper.GenerateStream("Claws,Effect,10,60.05,9-5-1029"), new CsvStreamOptions()
{
ParseHeaders = false, DataRow = 0
}))
{
var result = reader.AsEnumerable().FirstOrDefault();
Assert.AreEqual(result.Name, "Claws");
Assert.AreEqual(result.Type, TestType.Effect);
Assert.AreEqual(result.Cost, 10);
Assert.AreEqual(result.Id, 60.05);
Assert.AreEqual(result.Date, DateTime.Parse("9-5-1029"));
}
}
public void TestSkipHeaderAndData()
{
var stream = StreamHelper.GenerateStream("This is an example message\r\n \r\nname,type,cost,id,date\r\n \r\nThe Data follows this:\r\nClaws,Attachment,10,\"34.5\",03/27/1987");
using (var reader = new CsvStreamReader <TestModel>(stream, new CsvStreamOptions()
{
DataRow = 5, HeaderRow = 2
}))
{
var result = reader.AsEnumerable().FirstOrDefault();
Assert.AreEqual(result.Name, "Claws");
Assert.AreEqual(result.Type, TestType.Attachment);
Assert.AreEqual(result.Cost, 10);
Assert.AreEqual(result.Id, 34.5);
Assert.AreEqual(result.Date, DateTime.Parse("03/27/1987"));
}
}
public void TestWithNoWrapper()
{
var stream = StreamHelper.GenerateStream("name,type,cost,id,date\r\nClaws,Attachment,10,34.5,03/27/1987");
using (var reader = new CsvStreamReader <TestModel>(stream, new CsvStreamOptions()
{
Wrapper = null
}))
{
var result = reader.AsEnumerable().FirstOrDefault();
Assert.AreEqual(result.Name, "Claws");
Assert.AreEqual(result.Type, TestType.Attachment);
Assert.AreEqual(result.Cost, 10);
Assert.AreEqual(result.Id, 34.5);
Assert.AreEqual(result.Date, DateTime.Parse("03/27/1987"));
}
}
public void TestCustomDelimiterAndWrapper()
{
var stream = StreamHelper.GenerateStream("name;type;cost;id;date\n*Claws*;Spell;50;50.55;*6-19-2012*");
using (var reader = new CsvStreamReader <TestModel>(stream, new CsvStreamOptions()
{
Delimiter = ";", Wrapper = '*', RowDelimiter = "\n", HeaderRowDelimiter = "\n", HeaderDelimiter = ";"
}))
{
var result = reader.AsEnumerable().FirstOrDefault();
Assert.AreEqual(result.Name, "Claws");
Assert.AreEqual(result.Type, TestType.Spell);
Assert.AreEqual(result.Cost, 50);
Assert.AreEqual(result.Id, 50.55);
Assert.AreEqual(result.Date, DateTime.Parse("6-19-2012"));
}
}
public static List <TModel> ParseFile <TModel>(Stream stream, CsvStreamOptions csvStreamOptions)
where TModel : class, new()
{
using var reader = new CsvStreamReader <TModel>(stream, csvStreamOptions);
return(reader.AsEnumerable().ToList());
}
public void TestTypes()
{
using (var reader = new CsvStreamReader <TypeModel>("type.csv"))
{
var results = reader.AsEnumerable().ToList();
Assert.AreEqual(results[0].Boolean, true);
Assert.AreEqual(results[1].Boolean, false);
Assert.AreEqual(results[2].Boolean, default(bool));
Assert.AreEqual(results[0].Char, 't');
Assert.AreEqual(results[1].Char, 'h');
Assert.AreEqual(results[2].Char, default(char));
Assert.AreEqual(results[0].SByte, (sbyte)1);
Assert.AreEqual(results[1].SByte, (sbyte)1);
Assert.AreEqual(results[2].SByte, default(sbyte));
Assert.AreEqual(results[0].Byte, (byte)5);
Assert.AreEqual(results[1].Byte, (byte)2);
Assert.AreEqual(results[2].Byte, default(byte));
Assert.AreEqual(results[0].Int16, (short)1);
Assert.AreEqual(results[1].Int16, (short)16);
Assert.AreEqual(results[2].Int16, default(short));
Assert.AreEqual(results[0].UInt16, (ushort)5);
Assert.AreEqual(results[1].UInt16, (ushort)116);
Assert.AreEqual(results[2].UInt16, default(ushort));
Assert.AreEqual(results[0].Int32, (int)1);
Assert.AreEqual(results[1].Int32, (int)32);
Assert.AreEqual(results[2].Int32, default(int));
Assert.AreEqual(results[0].UInt32, (uint)5);
Assert.AreEqual(results[1].UInt32, (uint)332);
Assert.AreEqual(results[2].UInt32, default(uint));
Assert.AreEqual(results[0].Int64, (long)1);
Assert.AreEqual(results[1].Int64, (long)64);
Assert.AreEqual(results[2].Int64, default(int));
Assert.AreEqual(results[0].UInt64, (ulong)5);
Assert.AreEqual(results[1].UInt64, (ulong)664);
Assert.AreEqual(results[2].UInt64, default(ulong));
Assert.AreEqual(results[0].Single, (Single)1);
Assert.AreEqual(results[1].Single, (Single)111);
Assert.AreEqual(results[2].Single, default(Single));
Assert.AreEqual(results[0].Double, (double)5.55);
Assert.AreEqual(results[1].Double, (double)34.86);
Assert.AreEqual(results[2].Double, default(double));
Assert.AreEqual(results[0].Decimal, (decimal)1.88);
Assert.AreEqual(results[1].Decimal, (decimal)176.88);
Assert.AreEqual(results[2].Decimal, default(decimal));
Assert.AreEqual(results[0].DateTime, DateTime.Parse("01/03/1994"));
Assert.AreEqual(results[1].DateTime, DateTime.Parse("9-12-2005"));
Assert.AreEqual(results[2].DateTime, default(DateTime));
Assert.AreEqual(results[0].String, "This is a string for you");
Assert.AreEqual(results[1].String, "Special String, for \"you\"");
Assert.AreEqual(results[2].String, string.Empty);
}
}
