public T[] ReadFile <T>(string fileName) where T : class, new()
{
string filePath = GetFilePath(fileName);
if (!File.Exists(filePath))
{
File.Create(filePath).Dispose();
}
IFlatFileEngine engine = GetFlatFileEngine <T>();
MethodInfo decorateMethod = engine.GetType().GetMethod("Read");
MethodInfo generic = decorateMethod.MakeGenericMethod(typeof(T));
try
{
using (var stream = new FileStream(filePath, FileMode.Open))
{
var results = generic.Invoke(engine, new object[] { stream }) as IEnumerable <T>;
return(results.ToArray());
}
}
catch (FormatException ex)
{
Console.WriteLine($"Error while loading file {filePath}, deleting file to ensure it doesn't happen again.");
Console.WriteLine(ex);
File.Delete(filePath);
return(new T[0]);
}
}
public FixedLengthIntegrationTests()
{
_layout = new FixedLayout <TestObject>()
.WithMember(o => o.Id, set => set.WithLength(5).WithLeftPadding('0'))
.WithMember(o => o.Description, set => set.WithLength(25).WithRightPadding(' '))
.WithMember(o => o.NullableInt, set => set.WithLength(5).AllowNull("=Null").WithLeftPadding('0'));
_engine = new FixedLengthFileEngine(Layout, new FixedLengthLineBuilderFactory(),
new FixedLengthLineParserFactory());
}
public void Setup()
{
_csvConfig = new Configuration();
_csvConfig.RegisterClassMap <CsvHelperMappingForCustomObject>();
_fluentEngine = new DelimitedFileEngineFactory()
.GetEngine(new FlatFileMappingForCustomObject());
var fixture = new Fixture();
_records = fixture.CreateMany <CustomObject>(N).ToArray();
}
public static string WriteToString <T>(this IFlatFileEngine engine, IEnumerable <T> source)
where T : class, new()
{
using (var stream = new MemoryStream())
using (var reader = new StreamReader(stream))
{
engine.Write(stream, source);
stream.Position = 0;
string fileContent = reader.ReadToEnd();
return(fileContent);
}
}
public void SaveFile <T>(string fileName, T[] objects) where T : class, new()
{
string filePath = GetFilePath(fileName);
using (var stream = new FileStream(filePath, FileMode.Create, FileAccess.Write, FileShare.Write))
{
IFlatFileEngine engine = GetFlatFileEngine <T>();
MethodInfo decorateMethod = engine.GetType().GetMethod("Write");
MethodInfo generic = decorateMethod.MakeGenericMethod(typeof(T));
generic.Invoke(engine, new object[] { stream, objects });
}
}
public void Setup()
{
_helperEngine = new FileHelperEngine <FixedSampleRecord>();
var factory = new FixedLengthFileEngineFactory();
_fluentEngine = factory.GetEngine(new FixedSampleRecordLayout());
Configuration.Converters.UseOptimizedConverters();
var fixture = new Fixture();
_records = fixture.CreateMany <FixedSampleRecord>(N).ToArray();
}
public DelimitedIntegrationTests()
{
_layout = new DelimitedLayout <TestObject>()
.WithDelimiter(";")
.WithQuote("\"")
.WithMember(o => o.Id)
.WithMember(o => o.Description)
.WithMember(o => o.NullableInt, set => set.AllowNull("=Null"));
_engine = new DelimitedFileEngine(
Layout,
new DelimitedLineBuilderFactory(),
new DelimitedLineParserFactory());
}
public void Setup()
{
_csvConfig = new Configuration();
_csvConfig.RegisterClassMap <CsvHelperMappingForCustomObject>();
_fluentEngine = new DelimitedFileEngineFactory()
.GetEngine(new FlatFileMappingForCustomObject());
var records = new StringBuilder(N * 80);
records.AppendLine("String Column,Int Column,Guid Column,Custom Type Column");
for (int i = 0; i < N; i++)
{
records.AppendLine($"\"{i + 1}\",{i + 1},{Guid.NewGuid():D},{i + 1}|{i + 2}|{i + 3}");
}
_records = records.ToString();
}
public void Setup()
{
_helperEngine = new FileHelperEngine <FixedSampleRecord>();
_fluentEngine = new FixedLengthFileEngineFactory()
.GetEngine(new FixedSampleRecordLayout());
Configuration.Converters.UseOptimizedConverters();
var records = new StringBuilder(N * 185);
var random = new Random();
var fixture = new Fixture().Customize(new RandomFixedStringCustomization(80));
for (int i = 0; i < N; i++)
{
records.Append(20000000000L + i)
.Append(fixture.Create <string>())
.Append(fixture.Create <string>())
.Append(random.Next(0, 999999).ToString().PadRight(6))
.AppendLine();
}
_records = records.ToString();
}
