public void can_handle_nullable_reference_key()
{
var provider = new DefaultRuleParameterProvider();
var parameters = provider.GetParameters(typeof(ContextObject));
var productNameParam = parameters.FirstOrDefault(p => p.Name == "Product.Name");
// has value
var context = new ContextObject
{
ProductId = 2
};
var productName = productNameParam.ValueResolver.ResolveValue(productNameParam, context);
Assert.Equal("Product 2", productName);
// no value
context = new ContextObject
{
ProductId = null
};
productName = productNameParam.ValueResolver.ResolveValue(productNameParam, context);
Assert.Null(productName);
}
public void can_handle_null_nested_object()
{
var provider = new DefaultRuleParameterProvider();
var parameters = provider.GetParameters(typeof(ContextObject));
var prop1 = parameters.FirstOrDefault(p => p.Name == "Nested.Prop1");
var prop2 = parameters.FirstOrDefault(p => p.Name == "Nested.Prop2");
var context = new ContextObject
{
Nested = null
};
object prop1Value = null;
Assert.DoesNotThrow(() =>
{
prop1Value = prop1.ValueResolver.ResolveValue(prop1, context);
});
Assert.Null(prop1Value);
object prop2Value = null;
Assert.DoesNotThrow(() =>
{
prop2Value = prop2.ValueResolver.ResolveValue(prop2, context);
});
Assert.Null(prop2Value);
}
public void can_resolve_nested_object_param_values()
{
var provider = new DefaultRuleParameterProvider();
var parameters = provider.GetParameters(typeof(ContextObject));
var prop1 = parameters.FirstOrDefault(p => p.Name == "Nested.Prop1");
var prop2 = parameters.FirstOrDefault(p => p.Name == "Nested.Prop2");
var context = new ContextObject
{
Nested = new NestedContextObject
{
Prop1 = 10,
Prop2 = "Hello World"
}
};
var prop1Value = prop1.ValueResolver.ResolveValue(prop1, context);
Assert.NotNull(prop1Value);
Assert.Equal(typeof(Int32), prop1Value.GetType());
Assert.Equal(10, prop1Value);
var prop2Value = prop2.ValueResolver.ResolveValue(prop2, context);
Assert.NotNull(prop2Value);
Assert.Equal(typeof(String), prop2Value.GetType());
Assert.Equal("Hello World", prop2Value);
}
public void can_resolve_nullable_enum_value()
{
var provider = new DefaultRuleParameterProvider();
var param = provider.GetParameters(typeof(ContextModel))
.FirstOrDefault(p => p.Name == "NullableEnumValue");
Assert.Equal(MyEnum.Value2, param.ResolveValue(new ContextModel
{
NullableEnumValue = MyEnum.Value2
}));
Assert.Null(param.ResolveValue(new ContextModel
{
NullableEnumValue = null
}));
}
public void can_handle_non_nullable_primitive_reference_key()
{
var provider = new DefaultRuleParameterProvider();
var parameters = provider.GetParameters(typeof(ContextObject));
var productNameParam = parameters.FirstOrDefault(p => p.Name == "RequiredProduct.Name");
var context = new ContextObject
{
RequiredProductId = 3
};
var productName = productNameParam.ValueResolver.ResolveValue(productNameParam, context);
Assert.Equal("Product 3", productName);
}
public void can_discover_nullable_enum()
{
var provider = new DefaultRuleParameterProvider();
var parameters = provider.GetParameters(typeof(ContextModel)).ToList();
var param = parameters.Find(p => p.Name == "NullableEnumValue");
Assert.NotNull(param);
Assert.NotNull(param.ValueSource);
var values = param.ValueSource.GetValues(param);
Assert.Equal(3, values.Count());
Assert.Equal("Value1", values["Value1"]);
Assert.Equal("Value2", values["Value2"]);
Assert.Equal("Value3", values["Value3"]);
}
public void should_return_null_for_invalid_reference_key()
{
var provider = new DefaultRuleParameterProvider();
var parameters = provider.GetParameters(typeof(ContextObject));
var idParam = parameters.FirstOrDefault(p => p.Name == "RequiredProduct.Id");
var nameParam = parameters.FirstOrDefault(p => p.Name == "RequiredProduct.Name");
Assert.NotNull(idParam);
Assert.NotNull(nameParam);
var context = new ContextObject
{
RequiredProductId = 5
};
var id = nameParam.ValueResolver.ResolveValue(idParam, context);
var name = nameParam.ValueResolver.ResolveValue(nameParam, context);
Assert.Null(id);
Assert.Null(name);
}
