public void TryReadRecord_StreamProvidedWithMultipleRecords_AllRecordsAreRead()
{
var records = "Record 1\nRecord 2";
var recordsRead = 0;
bool couldReadRecord;
IEnumerable <FieldFailure> failures;
using (var stream = new MemoryStream(Encoding.UTF8.GetBytes(records)))
using (var dataReader = new TextStreamReader(stream))
{
dataReader.Open();
do
{
couldReadRecord = dataReader.TryReadRecord(out var record, out failures);
if (couldReadRecord)
{
Assert.AreEqual(records.Split('\n')[++recordsRead - 1], record);
}
}while (couldReadRecord || failures?.Count() > 0);
}
Assert.AreEqual(2, recordsRead);
}
public void TryReadRecord_StreamFactoryProvidedWithOneRecord_RecordIsRead()
{
var records = "Record 1";
var recordsRead = 0;
bool couldReadRecord;
IEnumerable <FieldFailure> failures;
using (var stream = new MemoryStream(Encoding.UTF8.GetBytes(records)))
{
var streamFactory = MockRepository.GenerateMock <IStreamFactory>();
streamFactory.Expect(x => x.Create()).Return(stream).Repeat.Once();
using (var dataReader = new TextStreamReader(streamFactory))
{
dataReader.Open();
do
{
couldReadRecord = dataReader.TryReadRecord(out var record, out failures);
if (couldReadRecord)
{
Assert.AreEqual(records.Split('\n')[++recordsRead - 1], record);
}
}while (couldReadRecord || failures?.Count() > 0);
}
}
Assert.AreEqual(1, recordsRead);
}
public void TryReadRecord_RecordFailsToMap_RecordIsNotReadAndFailureIsReturned()
{
var records = "Record 1";
var failures = new List <FieldFailure>()
{
new FieldFailure()
};
var recordMapper = MockRepository.GenerateMock <IRecordMapper>();
recordMapper.Stub(x => x.TryMap(
Arg <object> .Is.Equal(records.Split('\n')[0]),
out Arg <object> .Out(null).Dummy,
out Arg <IEnumerable <FieldFailure> > .Out(failures).Dummy))
.Return(false);
using (var stream = new MemoryStream(Encoding.UTF8.GetBytes(records)))
using (var dataReader = new TextStreamReader(stream, recordMapper))
{
dataReader.Open();
var couldReadRecord = dataReader.TryReadRecord(out var returnedRecord, out var returnedFailures);
Assert.IsFalse(couldReadRecord);
Assert.IsNull(returnedRecord);
Assert.AreEqual(failures, returnedFailures);
}
}
public void MultiThreadedTest()
{
using (var input = new MemoryStream(Encoding.UTF8.GetBytes(Resources.LargerFile)))
using (var output = new MemoryStream())
{
var loader = new TextStreamReader();
var writer = new RxTextStreamWriter();
var processors = new[]
{
new NullConverter(),
};
var app = new App(new NullLogger(), loader, writer, processors);
var config = new Configuration
{
Input = input,
Output = output,
Threads = 3,
};
app.Run(config);
output.Seek(0, SeekOrigin.Begin);
var result = Encoding.UTF8.GetString(output.ToArray());
var actualLines = result.Split(new[] { Environment.NewLine }, StringSplitOptions.None);
var expectedLines = Resources.LargerFile.Split(new[] { Environment.NewLine }, StringSplitOptions.None);
CollectionAssert.AreEqual(expectedLines, actualLines);
}
}
public void SmokeTest()
{
using (var input = new MemoryStream(Encoding.UTF8.GetBytes(Resources.SmallFile)))
using (var output = new MemoryStream())
{
var loader = new TextStreamReader();
var writer = new RxTextStreamWriter();
var processors = new[]
{
new HelperConverter(),
};
var app = new App(new NullLogger(), loader, writer, processors);
var config = new Configuration
{
Input = input,
Output = output,
Threads = 1,
};
app.Run(config);
output.Seek(0, SeekOrigin.Begin);
var result = Encoding.UTF8.GetString(output.ToArray());
Assert.AreEqual("2:4:6\r\n8:10:12\r\n", result);
}
}
public void TryReadRecord_StreamProvidedWithZeroRecords_NoRecordsAreRead()
{
var records = String.Empty;
using (var stream = new MemoryStream(Encoding.UTF8.GetBytes(records)))
using (var dataReader = new TextStreamReader(stream))
{
dataReader.Open();
var couldReadRecord = dataReader.TryReadRecord(out var record, out var failures);
Assert.IsFalse(couldReadRecord);
}
}
public void TryReadRecord_RecordMapperProvidedWithOneRecord_RecordsIsReadAndMapped()
{
var records = "Record 1";
var mappedRecords = "Mapped Record 1";
var recordsRead = 0;
var recordMapper = MockRepository.GenerateMock <IRecordMapper>();
recordMapper.Expect(x => x.TryMap(
Arg <object> .Is.Equal(records.Split('\n')[0]),
out Arg <object> .Out(mappedRecords.Split('\n')[0]).Dummy,
out Arg <IEnumerable <FieldFailure> > .Out(null).Dummy))
.Return(true)
.Repeat.Once();
bool couldReadRecord;
IEnumerable <FieldFailure> failures;
using (var stream = new MemoryStream(Encoding.UTF8.GetBytes(records)))
using (var dataReader = new TextStreamReader(stream, recordMapper))
{
dataReader.Open();
do
{
couldReadRecord = dataReader.TryReadRecord(out var record, out failures);
if (couldReadRecord)
{
Assert.AreEqual(mappedRecords.Split('\n')[++recordsRead - 1], record);
}
}while (couldReadRecord || failures?.Count() > 0);
}
recordMapper.VerifyAllExpectations();
Assert.AreEqual(1, recordsRead);
}
public void SetUp()
{
sut = new TextStreamReader();
}
