public void NameValueSectionRoundTrip1EntryTest()
{
var ms = new MemoryStream();
var fio = new FileIO(ms);
var fw = new FormattedWriter(fio);
var wc = new WriteContext(fw);
ISectionFormatter f = new NameValueSectionFormatter();
wc.Description = new TeaFileDescription();
wc.Description.NameValues = new NameValueCollection();
wc.Description.NameValues.Add(new NameValue("someName", 1.23));
f.Write(wc);
ms.Position = 0;
var fr = new FormattedReader(fio);
var rc = new ReadContext(fr);
f.Read(rc);
rc.Description.Should().Not.Be.Null();
rc.Description.NameValues.Should().Not.Be.Null();
rc.Description.NameValues.Should().Have.Count.EqualTo(1);
rc.Description.NameValues.First().Name.Should().Be("someName");
rc.Description.NameValues.First().GetValue<double>().Should().Be(1.23);
}
public void ItemSectionRoundTrip()
{
var ms = new MemoryStream();
var fio = new FileIO(ms);
var fw = new FormattedWriter(fio);
var wc = new WriteContext(fw);
wc.Description = new TeaFileDescription();
var writeID =
wc.Description.ItemDescription = ItemDescription.FromAnalysis<Event<OHLCV>>();
ISectionFormatter f = new ItemSectionFormatter();
f.Write(wc);
ms.Position = 0;
var fr = new FormattedReader(fio);
var rc = new ReadContext(fr);
rc.Description.Should().Not.Be.Null();
f.Read(rc);
rc.Description.Should().Not.Be.Null();
var id = rc.Description.ItemDescription;
id.ItemTypeName.Should().Be(typeof (Event<OHLCV>).GetLanguageName());
id.ItemSize.Should().Be(wc.Description.ItemDescription.ItemSize);
id.Fields.Select(ff => ff.Name).Should().Have.SameValuesAs("Time", "Open", "High", "Low", "Close", "Volume");
id.Fields.Select(ff => ff.Index).Should().Have.SameValuesAs(0, 1, 2, 3, 4, 5);
id.Fields.Select(ff => ff.FieldType).Should().Have.SameValuesAs(FieldType.Int64, FieldType.Double, FieldType.Double, FieldType.Double, FieldType.Double);
id.Fields.Select(ff => ff.Offset).Should().Have.SameValuesAs(writeID.Fields.Select(ff => ff.Offset));
ms.Position.Should().Be(ms.Length); // very important, all bytes must have been read
}
public void FormattedReaderExoticCoverageTest()
{
var fio = new Mock<IFileIO>();
var r = new FormattedReader(fio.Object);
fio.Setup(io => io.ReadBytes(0)); // will cause name to be the empty string
fio.Setup(io => io.ReadInt32()).Returns((int)NameValue.ValueKind.Invalid);
Executing.This(() => r.ReadNameValue()).Should().Throw<ArgumentOutOfRangeException>();
}
public void FormattedReaderExoticCoverageTest()
{
var fio = new Mock <IFileIO>();
var r = new FormattedReader(fio.Object);
fio.Setup(io => io.ReadBytes(0)); // will cause name to be the empty string
fio.Setup(io => io.ReadInt32()).Returns((int)NameValue.ValueKind.Invalid);
Executing.This(() => r.ReadNameValue()).Should().Throw <ArgumentOutOfRangeException>();
}
public void ReadInt64Test()
{
var fio = new Mock<IFileIO>(MockBehavior.Strict);
fio.Setup(io => io.ReadInt64()).Returns(0x7fcc111122223333);
var r = new FormattedReader(fio.Object);
r.ReadInt64().Should().Be(0x7fcc111122223333);
fio.Verify(f => f.ReadInt64(), Times.Once());
}
public void ReadDoubleTest()
{
var fio = new Mock<IFileIO>(MockBehavior.Strict);
fio.Setup(io => io.ReadDouble()).Returns(1.2345);
var r = new FormattedReader(fio.Object);
r.ReadDouble().Should().Be(1.2345);
fio.Verify(f => f.ReadDouble(), Times.Once());
}
public void ReadInt64Test()
{
var fio = new Mock <IFileIO>(MockBehavior.Strict);
fio.Setup(io => io.ReadInt64()).Returns(0x7fcc111122223333);
var r = new FormattedReader(fio.Object);
r.ReadInt64().Should().Be(0x7fcc111122223333);
fio.Verify(f => f.ReadInt64(), Times.Once());
}
public void ReadDoubleTest()
{
var fio = new Mock <IFileIO>(MockBehavior.Strict);
fio.Setup(io => io.ReadDouble()).Returns(1.2345);
var r = new FormattedReader(fio.Object);
r.ReadDouble().Should().Be(1.2345);
fio.Verify(f => f.ReadDouble(), Times.Once());
}
public void ReadTextTest()
{
const string text = "Ce plat est originaire de la Grèce antique, de l'époque de la fondation de Marseille (Massalia) au VIIe siècle av. €";
var encoding = new UTF8Encoding(false, true);
var bytes = encoding.GetBytes(text);
var fio = new Mock <IFileIO>(MockBehavior.Strict);
fio.Setup(io => io.ReadInt32()).Returns(bytes.Length);
fio.Setup(io => io.ReadBytes(bytes.Length)).Returns(bytes);
var r = new FormattedReader(fio.Object);
r.ReadText().Should().Be(text);
}
public void NameValueRoundTripTest()
{
var stream = new MemoryStream();
var fio = new FileIO(stream);
var w = new FormattedWriter(fio);
Guid g = new Guid("1116C195-8975-4E73-B777-23E1C548BC71");
const string testText = "some text with special characters €,@, ʤǤDŽƪҗ∰";
{
var nv1 = new NameValue("name1", 1.23);
var nv2 = new NameValue("name2", 722);
var nv3 = new NameValue("name3", g);
var nv4 = new NameValue("name4", testText);
w.WriteNameValue(nv1);
w.WriteNameValue(nv2);
w.WriteNameValue(nv3);
w.WriteNameValue(nv4);
}
stream.Position = 0;
var r = new FormattedReader(fio);
{
var nv1 = r.ReadNameValue();
nv1.Name.Should().Be("name1");
nv1.GetValue <double>().Should().Be(1.23);
nv1.Kind.Should().Be(NameValue.ValueKind.Double);
var nv2 = r.ReadNameValue();
nv2.Name.Should().Be("name2");
nv2.GetValue <int>().Should().Be(722);
nv2.Kind.Should().Be(NameValue.ValueKind.Int32);
var nv3 = r.ReadNameValue();
nv3.Name.Should().Be("name3");
nv3.GetValue <Guid>().Should().Be(g);
nv3.Kind.Should().Be(NameValue.ValueKind.Guid);
var nv4 = r.ReadNameValue();
nv4.Name.Should().Be("name4");
nv4.GetValue <string>().Should().Be(testText);
nv4.Kind.Should().Be(NameValue.ValueKind.Text);
}
}
public void ContentSectionFormatterRoundTrip()
{
const string testValue = "Météo pour Paris, France. @€";
var ms = new MemoryStream();
var fio = new FileIO(ms);
var fw = new FormattedWriter(fio);
var wc = new WriteContext(fw);
wc.Description = new TeaFileDescription();
wc.Description.ContentDescription = testValue;
ISectionFormatter f = new ContentSectionFormatter();
f.Write(wc);
ms.Position = 0;
var fr = new FormattedReader(fio);
var rc = new ReadContext(fr);
f.Read(rc);
rc.Description.Should().Not.Be.Null();
rc.Description.ContentDescription.Should().Be(testValue);
}
public void ReadHeader()
{
FileIO fio = new FileIO(this.stream);
FormattedReader r = new FormattedReader(fio);
var rc = HeaderManager.Instance.ReadHeader(r);
this.description = rc.Description;
this.itemAreaStart = rc.ItemAreaStart;
this.itemAreaEnd = rc.ItemAreaEnd;
if (this.stream.Position != this.itemAreaStart)
{
throw new InternalErrorException("file position is not set to begin of item area after reading header.");
}
if (this.Description != null && this.Description.Timescale.HasValue)
{
var fileTimeScale = this.Description.Timescale.Value;
if (!fileTimeScale.Equals(Time.Scale))
{
switch (Time.ScaleCollisionBehavior)
{
case ScaleCollisionBehavior.ThrowException:
throw new TimescaleException();
case ScaleCollisionBehavior.Ignore:
break;
case ScaleCollisionBehavior.UseNewScale:
Time.Scale = fileTimeScale;
break;
}
}
}
}
public void TimeSectionValuesRoundTrip()
{
var ms = new MemoryStream();
var fio = new FileIO(ms);
var fw = new FormattedWriter(fio);
var wc = new WriteContext(fw);
wc.Description = new TeaFileDescription();
wc.Description.ItemDescription = ItemDescription.FromAnalysis<Event<C>>();
Time.Scale = Timescale.FromEpoch(33, 77);
wc.Description.Timescale = Time.Scale;
ISectionFormatter f = new TimeSectionFormatter();
f.Write(wc);
ms.Position = 0;
var fr = new FormattedReader(fio);
var rc = new ReadContext(fr);
rc.Description.Should().Not.Be.Null();
rc.Description.ItemDescription = wc.Description.ItemDescription;
f.Read(rc);
rc.Description.Timescale.Value.Epoch.Should().Be(33);
rc.Description.Timescale.Value.TicksPerDay.Should().Be(77);
Executing.This(() => f.Read(rc)).Should().Throw<EndOfStreamException>();
}
public void EventTimeAttributeRoundTrip()
{
Time.Scale = Timescale.Net;
var ms = new MemoryStream();
var fio = new FileIO(ms);
var fw = new FormattedWriter(fio);
var wc = new WriteContext(fw);
wc.Description = new TeaFileDescription();
wc.Description.ItemDescription = ItemDescription.FromAnalysis<Event<C>>();
wc.Description.Timescale = Time.Scale;
ISectionFormatter f = new TimeSectionFormatter();
f.Write(wc);
ms.Position = 0;
var fr = new FormattedReader(fio);
var rc = new ReadContext(fr);
rc.Description.Should().Not.Be.Null();
rc.Description.ItemDescription = wc.Description.ItemDescription;
rc.Description.ItemDescription.Fields.ForEach(ff => ff.IsEventTime = ff.IsTime = false); // reset flags
f.Read(rc);
rc.Description.ItemDescription.Fields.Count(ff => ff.IsTime).Should().Be(1);
rc.Description.ItemDescription.Fields.Count(ff => ff.IsEventTime).Should().Be(1);
rc.Description.Timescale.Value.Epoch.Should().Be(0);
rc.Description.Timescale.Value.TicksPerDay.Should().Be(TimeSpan.TicksPerDay);
}
public void FirstTimeFieldIsAutomaticallyEventTime()
{
var ms = new MemoryStream();
var fio = new FileIO(ms);
var fw = new FormattedWriter(fio);
var wc = new WriteContext(fw);
wc.Description = new TeaFileDescription();
wc.Description.ItemDescription = ItemDescription.FromAnalysis<C2>();
wc.Description.Timescale = Time.Scale;
ISectionFormatter f = new TimeSectionFormatter();
f.Write(wc);
ms.Position = 0;
var fr = new FormattedReader(fio);
var rc = new ReadContext(fr);
rc.Description.Should().Not.Be.Null();
rc.Description.ItemDescription = ItemDescription.FromAnalysis<C2>();
f.Read(rc);
var fields = rc.Description.ItemDescription.Fields;
fields[0].IsEventTime.Should().Be.True();
fields[1].IsEventTime.Should().Be.False();
}
public void TimeSectionRoundTripFieldIsNotInItemDescriptionError()
{
var ms = new MemoryStream();
var fio = new FileIO(ms);
var fw = new FormattedWriter(fio);
var wc = new WriteContext(fw);
wc.Description = new TeaFileDescription();
wc.Description.ItemDescription = ItemDescription.FromAnalysis<Event<C>>();
wc.Description.Timescale = Time.Scale;
ISectionFormatter f = new TimeSectionFormatter();
f.Write(wc);
ms.Position = 0;
var fr = new FormattedReader(fio);
var rc = new ReadContext(fr);
rc.Description.Should().Not.Be.Null();
rc.Description.ItemDescription = ItemDescription.FromAnalysis<C2>();
Executing.This(() => f.Read(rc)).Should().Throw<FileFormatException>();
}
public void TimeSectionRoundTrip()
{
var ms = new MemoryStream();
var fio = new FileIO(ms);
var fw = new FormattedWriter(fio);
var wc = new WriteContext(fw);
wc.Description = new TeaFileDescription();
wc.Description.ItemDescription = ItemDescription.FromAnalysis<Event<C>>();
wc.Description.Timescale = Time.Scale;
ISectionFormatter f = new TimeSectionFormatter();
f.Write(wc);
ms.Position = 0;
ms.Length.Should().Be(24); // epoch(8) ticksperday(8) fieldcount(4) + timefieldoffset(4) = 24
var fr = new FormattedReader(fio);
var rc = new ReadContext(fr);
rc.Description.Should().Not.Be.Null();
rc.Description.ItemDescription = wc.Description.ItemDescription; // this makes the test a bit weaker, but we need some item description here
f.Read(rc);
rc.Description.Should().Not.Be.Null();
rc.Description.Timescale.HasValue.Should().Be.True();
}
public void NameValueRoundTripTest()
{
var stream = new MemoryStream();
var fio = new FileIO(stream);
var w = new FormattedWriter(fio);
Guid g = new Guid("1116C195-8975-4E73-B777-23E1C548BC71");
const string testText = "some text with special characters €,@, ʤǤDŽƪҗ∰";
{
var nv1 = new NameValue("name1", 1.23);
var nv2 = new NameValue("name2", 722);
var nv3 = new NameValue("name3", g);
var nv4 = new NameValue("name4", testText);
w.WriteNameValue(nv1);
w.WriteNameValue(nv2);
w.WriteNameValue(nv3);
w.WriteNameValue(nv4);
}
stream.Position = 0;
var r = new FormattedReader(fio);
{
var nv1 = r.ReadNameValue();
nv1.Name.Should().Be("name1");
nv1.GetValue<double>().Should().Be(1.23);
nv1.Kind.Should().Be(NameValue.ValueKind.Double);
var nv2 = r.ReadNameValue();
nv2.Name.Should().Be("name2");
nv2.GetValue<int>().Should().Be(722);
nv2.Kind.Should().Be(NameValue.ValueKind.Int32);
var nv3 = r.ReadNameValue();
nv3.Name.Should().Be("name3");
nv3.GetValue<Guid>().Should().Be(g);
nv3.Kind.Should().Be(NameValue.ValueKind.Guid);
var nv4 = r.ReadNameValue();
nv4.Name.Should().Be("name4");
nv4.GetValue<string>().Should().Be(testText);
nv4.Kind.Should().Be(NameValue.ValueKind.Text);
}
}
public void ReadTextTest()
{
const string text = "Ce plat est originaire de la Grèce antique, de l'époque de la fondation de Marseille (Massalia) au VIIe siècle av. €";
var encoding = new UTF8Encoding(false, true);
var bytes = encoding.GetBytes(text);
var fio = new Mock<IFileIO>(MockBehavior.Strict);
fio.Setup(io => io.ReadInt32()).Returns(bytes.Length);
fio.Setup(io => io.ReadBytes(bytes.Length)).Returns(bytes);
var r = new FormattedReader(fio.Object);
r.ReadText().Should().Be(text);
}
public void NameValueSectionRoundTrip3EntriesTest()
{
var ms = new MemoryStream();
var fio = new FileIO(ms);
var fw = new FormattedWriter(fio);
var wc = new WriteContext(fw);
ISectionFormatter f = new NameValueSectionFormatter();
wc.Description = new TeaFileDescription();
wc.Description.NameValues = new NameValueCollection();
wc.Description.NameValues.Add(new NameValue("someName", 1.23));
wc.Description.NameValues.Add(new NameValue("someName2", "second value"));
wc.Description.NameValues.Add(new NameValue("someName3", 333));
f.Write(wc);
ms.Position = 0;
var fr = new FormattedReader(fio);
var rc = new ReadContext(fr);
f.Read(rc);
rc.Description.Should().Not.Be.Null();
rc.Description.NameValues.Should().Not.Be.Null();
rc.Description.NameValues.Should().Have.Count.EqualTo(3);
rc.Description.NameValues.Select(nv => nv.Name).Should().Have.SameSequenceAs("someName", "someName2", "someName3");
rc.Description.NameValues.Select(nv => nv.GetValue<object>()).Should().Have.SameSequenceAs(1.23, "second value", 333);
}