public void NullConstructorSelected_ShouldThrow()
{
// arrange
var sut = new ConstructorInstanceFactory <SomeStruct>(
constructorSelector: new DelegateConstructorSelector <SomeStruct>(t => null));
// act
Action create = () => sut.Create(Enumerable.Empty <INamedPropertyOverwriter>());
// assert
var exception = create.Should().Throw <InvalidOperationException>().And;
exception.Data[Errors.ErrorCodeExceptionDataKey].Should().Be(Errors.ConstructorNotFound.Code);
}
public void NoOverwriterMatchingConstructorParameter_ShouldCreateWithDefaultValueForConstructorParameter()
{
// arrange
var sut = new ConstructorInstanceFactory <SomeClass>(
constructorSelector: new DelegateConstructorSelector <SomeClass>(t => t.GetConstructor(new Type[] { typeof(int), typeof(string) })));
var expected = new SomeClass(
intProperty: default(int),
stringProperty: default(string));
// act
var result = sut.Create(Enumerable.Empty <INamedPropertyOverwriter>());
// assert
result.Should().BeEquivalentTo(expected);
}
public void ShouldCreateWithOverwrittenValueForConstructorParameter()
{
// arrange
var sut = new ConstructorInstanceFactory <SomeClass>(
constructorSelector: new DelegateConstructorSelector <SomeClass>(t => t.GetConstructor(new Type[] { typeof(int), typeof(string) })));
int expectedIntProperty = 1;
string expectedStringProperty = "test";
var expected = new SomeClass(
intProperty: expectedIntProperty,
stringProperty: expectedStringProperty);
// act
var result = sut.Create(new INamedPropertyOverwriter[]
{
new NamedPropertyOverwriter <int>("intProperty", expectedIntProperty),
new NamedPropertyOverwriter <string>("stringProperty", expectedStringProperty)
});
// assert
result.Should().BeEquivalentTo(expected);
}