public void GetFromTypes_WithNullInput_ShouldThrowNullArgumentException()
{
// Arrange
// Act
var exception = Record.Exception(() => UpconverterCompiler.GetFrom(null));
// Assert
exception.Should().NotBeNull();
exception.Should().BeOfType <ArgumentNullException>();
}
public void GetFromTypes_WithwithOneMultiEventUpconverter_ShouldReturnDictionaryWithOneUpconvert()
{
var types = new[] { typeof(UpconverterAToBAndC) };
Dictionary <Type, UpconvertFunc> upconverters = null;
// Act
upconverters = UpconverterCompiler.GetFrom(types);
// Assert
upconverters.Count.Should().Be(1);
upconverters.Single().Key.Should().Be <EventA>();
}
public void GetFromTypes_WithwithTwoUpconverterInChain_ShouldReturnDictionaryWithTwoEntries()
{
// Arrange
var types = new[] { typeof(UpconverterAToB), typeof(UpconverterBToE) };
Dictionary <Type, UpconvertFunc> upconverters = null;
// Act
upconverters = UpconverterCompiler.GetFrom(types);
// Assert
upconverters.Count.Should().Be(2);
}
public void GetFromTypes_WithNoUpconverters_ShouldReturnEmptyDictionary()
{
// Arrange
Dictionary <Type, UpconvertFunc> upconverters = null;
// Act
var exception = Record.Exception((Action)(() => upconverters = UpconverterCompiler.GetFrom(new List <Type>())));
// Assert
exception.Should().BeNull();
upconverters.Should().BeEmpty();
}
public void GetFromTypes_WithwithSingleEventUpconverter_ShouldReturnDictionaryWithOneEntry()
{
// Arrange
var types = new[] { typeof(UpconverterAToB) };
Dictionary <Type, UpconvertFunc> upconverters = null;
// Act
upconverters = UpconverterCompiler.GetFrom(types);
// Assert
upconverters.Count.Should().Be(1);
upconverters.FirstOrDefault().Key.Should().Be <EventA>();
}
public void GetFromTypes_WithUpconverterWithNoPublicDefaultCtor_ShouldThrowCannotInstantiateUpconverterException()
{
// Arrange
// Act
var exception = Record.Exception(() => UpconverterCompiler.GetFrom(new [] { typeof(
UpconverterWithNonPublicCtor) }));
// Assert
exception.Should().NotBeNull();
exception.Should().BeOfType <CannotInstantiateUpconverterException>();
exception.As <CannotInstantiateUpconverterException>().upconverterType.Should().Be <UpconverterWithNonPublicCtor>();
}
public void GetFromTypes_WithTypesButNoUpconverter_ShouldReturnEmptyDictionary()
{
// Arrange
var types = new[] { this.GetType() };
Dictionary <Type, UpconvertFunc> upconverters = null;
// Act
var exception =
Record.Exception((Action)(() => upconverters = UpconverterCompiler.GetFrom(types)));
// Assert
exception.Should().BeNull();
upconverters.Should().BeEmpty();
}
public void GetFromTypes_WithwithTwoUpconverterInChainFromEventAToEventBToEventE_ShouldReturnDictionaryWithUpconvertFromEventBToEventE()
{
// Arrange
var types = new[] { typeof(UpconverterAToB), typeof(UpconverterBToE) };
UpconvertFunc upconverter = null;
var originalEvent = new EventB("Mr. Silly Name", 5);
var wrappedOriginal = new ItemWithType(originalEvent);
var expectedEvent = new EventE("Mr. Silly Name-5");
// Act
upconverter = UpconverterCompiler.GetFrom(types)[typeof(EventB)];
// Assert
upconverter.Should().NotBeNull();
upconverter(wrappedOriginal).isSingleItem.Should().BeTrue();
upconverter(wrappedOriginal).single.type.Should().Be <EventE>();
upconverter(wrappedOriginal).single.instance.As <EventE>().Formatted.Should().Be(expectedEvent.Formatted);
}
GetFromTypes_WithwithOneUpconverterInChainFromEventAToEventB_ShouldReturnDictionaryWithOneUpconvertFromEventAToEventB()
{
// Arrange
var types = new[] { typeof(UpconverterAToB) };
UpconvertFunc upconverter = null;
var originalEvent = new EventA("Mr. Silly Name", 5);
var expectedEvent = new EventB(originalEvent.Name, originalEvent.Count);
// Act
upconverter = UpconverterCompiler.GetFrom(types)[typeof(EventA)];
// Assert
upconverter.Should().NotBeNull();
upconverter(new ItemWithType(originalEvent)).isSingleItem.Should().BeTrue();
upconverter(new ItemWithType(originalEvent)).single.type.Should().Be <EventB>();
upconverter(new ItemWithType(originalEvent)).single.instance.As <EventB>().MyName.Should().Be(expectedEvent.MyName);
upconverter(new ItemWithType(originalEvent)).single.instance.As <EventB>().Count.Should().Be(expectedEvent.Count);
}
public void GetFromTypes_WithUpconvertersWithSameSourceEvent_ShouldThrowPreflightUpconverterConflictException()
{
// Arrange
// Act
var exception = Record.Exception(() => UpconverterCompiler.GetFrom(new []
{
typeof(UpconverterAToB),
typeof(UpconverterAToBAndC),
}));
// Assert
exception.Should().NotBeNull();
exception.Should().BeOfType <AggregateException>();
exception.As <AggregateException>().Flatten().InnerExceptions.Count.Should().Be(1);
var innerException = exception.As <AggregateException>().Flatten().InnerExceptions.ToArray()[0];
innerException.Should().BeOfType <PreflightUpconverterConflictException>();
innerException.As <PreflightUpconverterConflictException>().SourceEventType.Should().Be <EventA>();
}
public void GetFromTypes_WithwithOneMultiEventUpconverterFromAToBAndC_ShouldReturnDictionaryWithUpconvertFromAToEnumerableWithBAndC()
{
var types = new[] { typeof(UpconverterAToBAndC) };
UpconvertFunc upconverter = null;
var originalEvent = new EventA("Mr. Silly Name", 5);
var expectedB = new EventB(originalEvent.Name, originalEvent.Count);
var expectedC = new EventC(originalEvent.Count);
// Act
upconverter = UpconverterCompiler.GetFrom(types)[typeof(EventA)];
var result = upconverter(new ItemWithType(originalEvent));
// Assert
upconverter.Should().NotBeNull();
result.isSingleItem.Should().BeFalse();
result.multiple.ToArray()[0].type.Should().Be <EventB>();
result.multiple.ToArray()[0].instance.As <EventB>().Count.Should().Be(expectedB.Count);
result.multiple.ToArray()[0].instance.As <EventB>().MyName.Should().Be(expectedB.MyName);
result.multiple.ToArray()[1].type.Should().Be <EventC>();
result.multiple.ToArray()[1].instance.As <EventC>().Count.Should().Be(expectedC.Count);
}
