public void StaticSelectConstructor_MultipleConstructors_ReturnNull()
{
//ARRANGE
Type type = typeof(MultipleConstructorsClass);
var resolver = new ConstructorResolverCache(new BestMatchConstructorResolver());
//ACT
var staticSelectedConstructor = resolver.StaticSelectConstructor(type);
//ASSERT
Assert.Null(staticSelectedConstructor);
}
public void SelectConstructor_MultipleConstructors_Throws()
{
Type type = typeof(MultipleConstructorsClass);
var resolver = new ConstructorResolverCache(new DefaultConstructorResolver());
Assert.Throws <CannotAutoResolveConstructorException>(() =>
{
resolver.StaticSelectConstructor(type);
});
Assert.Throws <CannotAutoResolveConstructorException>(() =>
{
resolver.StaticSelectConstructor(type);
});
}
public void SelectConstructor_SingleConstructor_NoConstructors_Throws()
{
Type type = typeof(NoPublicConstructorClass);
var resolver = new ConstructorResolverCache(new DefaultConstructorResolver());
Assert.Throws <NoConstructorException>(() =>
{
resolver.StaticSelectConstructor(type);
});
Assert.Throws <NoConstructorException>(() =>
{
resolver.StaticSelectConstructor(type);
});
}
public void DynamicSelectConstructor_MultipleConstructors_NotRegisteredArgument_PicksConstructorWithMostArgumentsThatCanBeResolved()
{
//ARRANGE
Type type = typeof(MultipleConstructorsClass);
var resolver = new ConstructorResolverCache(new BestMatchConstructorResolver());
var container = new Container(b =>
{
});
//ACT
var dynamicSelectedConstructor = resolver.DynamicSelectConstructor(type, container.DependencyGraph);
//ASSERT
Assert.NotNull(dynamicSelectedConstructor);
Assert.Empty(dynamicSelectedConstructor.GetParameters());
}
public void StaticSelectConstructor_SingleConstructor_NoConstructors_Throws()
{
//ARRANGE
Type type = typeof(NoPublicConstructorClass);
var resolver = new ConstructorResolverCache(new BestMatchConstructorResolver());
//ACT
//ASSERT
Assert.Throws <NoConstructorException>(() =>
{
resolver.StaticSelectConstructor(type);
});
Assert.Throws <NoConstructorException>(() =>
{
resolver.StaticSelectConstructor(type);
});
}
public void DynamicSelectConstructor_MultipleConstructors_RegisteredArgument_PicksConstructorWithMostArgumentsThatCanBeResolved()
{
//ARRANGE
Type type = typeof(MultipleConstructorsClass);
var resolver = new ConstructorResolverCache(new BestMatchConstructorResolver());
var container = new Container(b =>
{
b.Register <ITestService10, TestService10>();
});
//ACT
var dynamicSelectedConstructor = resolver.DynamicSelectConstructor(type, container.DependencyGraph);
//ASSERT
Assert.NotNull(dynamicSelectedConstructor);
var parameter = Assert.Single(dynamicSelectedConstructor.GetParameters());
Assert.Equal(typeof(ITestService10), parameter.ParameterType);
}