public void EntityReaderWriter_Roundtrip_V3_Templatized_MissingTemplate()
{
var registry = new QueryEngineRegistry(new MockQueryEngineRegistry());
var templatizer = new QueryEngineRegistryTemplatizer(registry);
var templatized = templatizer.Templatize(Expression.Default(typeof(object)));
var io = new ObservableDefinitionEntity(new Uri("io:/1"), templatized, null);
var stream = new MemoryStream();
Write();
stream.Position = 0;
Read();
void Write()
{
using var writer = new EntityWriter(stream, new SerializationPolicy(DefaultExpressionPolicy.Instance, Versioning.v3));
writer.WriteHeader();
writer.Save(io);
}
void Read()
{
var emptyRegistry = new QueryEngineRegistry(new MockQueryEngineRegistry());
using var reader = new EntityReader(stream, emptyRegistry, new SerializationPolicy(DefaultExpressionPolicy.Instance, Versioning.v3));
reader.ReadHeader();
Assert.ThrowsException <InvalidOperationException>(() => reader.Load(ReactiveEntityKind.Observable));
}
}
public void EntityReaderWriter_Roundtrip_V3_Templatized_WithConstants()
{
var registry = new QueryEngineRegistry(new MockQueryEngineRegistry());
var templatizer = new QueryEngineRegistryTemplatizer(registry);
var templatized = templatizer.Templatize(Expression.Constant(42));
var io = new ObservableDefinitionEntity(new Uri("io:/1"), templatized, null);
var stream = new MemoryStream();
Write();
stream.Position = 0;
Read();
void Write()
{
using var writer = new EntityWriter(stream, new SerializationPolicy(DefaultExpressionPolicy.Instance, Versioning.v3));
writer.WriteHeader();
writer.Save(io);
}
void Read()
{
using var reader = new EntityReader(stream, registry, new SerializationPolicy(DefaultExpressionPolicy.Instance, Versioning.v3));
reader.ReadHeader();
_ = reader.Load(ReactiveEntityKind.Observable);
reader.ReadFooter();
}
}
public void EntityReaderWriter_Roundtrip_None_ThrowsArgumentException()
{
var registry = new QueryEngineRegistry(new MockQueryEngineRegistry());
var def = new OtherDefinitionEntity(new Uri("io:/1"), Expression.Default(typeof(object)), null);
var stream = new MemoryStream();
Write();
stream.Position = 0;
Read();
void Write()
{
using var writer = new EntityWriter(stream, new SerializationPolicy(DefaultExpressionPolicy.Instance, Versioning.v1));
writer.WriteHeader();
writer.Save(def);
}
void Read()
{
using var reader = new EntityReader(stream, registry, new SerializationPolicy(DefaultExpressionPolicy.Instance, Versioning.v1));
reader.ReadHeader();
AssertEx.ThrowsException <ArgumentException>(() => reader.Load(ReactiveEntityKind.None), ex => Assert.AreEqual("kind", ex.ParamName));
}
}
public void EntityReaderWriter_Roundtrip_Stream()
{
var registry = new QueryEngineRegistry(new MockQueryEngineRegistry());
var sub = new SubjectEntity(new Uri("io:/1"), Expression.Default(typeof(object)), null);
var stream = new MemoryStream();
Write();
stream.Position = 0;
var rt = Read();
Assert.AreEqual(ReactiveEntityKind.Stream, rt.Kind);
Assert.AreEqual(sub.Uri, rt.Uri);
AssertEqual(sub.Expression, rt.Expression);
Assert.AreEqual(sub.State, rt.State);
void Write()
{
using var writer = new EntityWriter(stream, new SerializationPolicy(DefaultExpressionPolicy.Instance, Versioning.v1));
writer.WriteHeader();
writer.Save(sub);
}
ReactiveEntity Read()
{
using var reader = new EntityReader(stream, registry, new SerializationPolicy(DefaultExpressionPolicy.Instance, Versioning.v1));
reader.ReadHeader();
var rt = reader.Load(ReactiveEntityKind.Stream);
reader.ReadFooter();
return(rt);
}
}
public void EntityReaderWriter_Roundtrip_Definitions()
{
var registry = new QueryEngineRegistry(new MockQueryEngineRegistry());
var def = new OtherDefinitionEntity(new Uri("io:/1"), Expression.Default(typeof(object)), null);
var stream = new MemoryStream();
using (var writer = new EntityWriter(stream, new SerializationPolicy(DefaultExpressionPolicy.Instance, Versioning.v1)))
{
writer.WriteHeader();
writer.Save(def);
writer.Dispose();
}
foreach (var kind in new[]
{
ReactiveEntityKind.Observable,
ReactiveEntityKind.Observer,
ReactiveEntityKind.StreamFactory,
ReactiveEntityKind.Other,
})
{
stream.Position = 0;
var rt = default(ReactiveEntity);
using (var reader = new EntityReader(stream, registry, new SerializationPolicy(DefaultExpressionPolicy.Instance, Versioning.v1)))
{
reader.ReadHeader();
rt = reader.Load(kind);
reader.ReadFooter();
}
Assert.AreEqual(kind, rt.Kind);
Assert.AreEqual(def.Uri, rt.Uri);
AssertEqual(def.Expression, rt.Expression);
Assert.AreEqual(def.State, rt.State);
}
}
private static QueryEngineRegistryTemplatizer CreateTemplatizer(QueryEngineRegistry registry)
{
return(new QueryEngineRegistryTemplatizer(registry));
}
