public void GetMetadataForPropertiesCreatesMetadataForAllPropertiesOnModelWithPropertyValues() {
// Arrange
PropertyModel model = new PropertyModel { LocalAttributes = 42, MetadataAttributes = "hello", MixedAttributes = 21.12 };
TestableAssociatedMetadataProvider provider = new TestableAssociatedMetadataProvider();
// Act
provider.GetMetadataForProperties(model, typeof(PropertyModel)).ToList(); // Call ToList() to force the lazy evaluation to evaluate
// Assert
CreateMetadataParams local =
provider.CreateMetadataLog.Single(m => m.ContainerType == typeof(PropertyModel) &&
m.PropertyName == "LocalAttributes");
Assert.AreEqual(typeof(int), local.ModelType);
Assert.AreEqual(42, local.Model);
Assert.IsTrue(local.Attributes.Any(a => a is RequiredAttribute));
CreateMetadataParams metadata =
provider.CreateMetadataLog.Single(m => m.ContainerType == typeof(PropertyModel) &&
m.PropertyName == "MetadataAttributes");
Assert.AreEqual(typeof(string), metadata.ModelType);
Assert.AreEqual("hello", metadata.Model);
Assert.IsTrue(metadata.Attributes.Any(a => a is RangeAttribute));
CreateMetadataParams mixed =
provider.CreateMetadataLog.Single(m => m.ContainerType == typeof(PropertyModel) &&
m.PropertyName == "MixedAttributes");
Assert.AreEqual(typeof(double), mixed.ModelType);
Assert.AreEqual(21.12, mixed.Model);
Assert.IsTrue(mixed.Attributes.Any(a => a is RequiredAttribute));
Assert.IsTrue(mixed.Attributes.Any(a => a is RangeAttribute));
}
public void GetMetadataForPropertiesNullContainerTypeThrows() {
// Arrange
TestableAssociatedMetadataProvider provider = new TestableAssociatedMetadataProvider();
// Act & Assert
ExceptionHelper.ExpectArgumentNullException(
() => provider.GetMetadataForProperties(new Object(), null),
"containerType");
}
public void GetMetadataForPropertiesNullContainerTypeThrows()
{
// Arrange
TestableAssociatedMetadataProvider provider = new TestableAssociatedMetadataProvider();
// Act & Assert
Assert.ThrowsArgumentNull(
() => provider.GetMetadataForProperties(new Object(), containerType: null),
"containerType");
}
public void GetMetadataForPropertyWithNullContainerReturnsMetadataWithNullValuesForProperties() {
// Arrange
TestableAssociatedMetadataProvider provider = new TestableAssociatedMetadataProvider();
// Act
provider.GetMetadataForProperties(null, typeof(PropertyModel)).ToList(); // Call ToList() to force the lazy evaluation to evaluate
// Assert
Assert.IsTrue(provider.CreateMetadataLog.Any());
foreach (var parms in provider.CreateMetadataLog) {
Assert.IsNull(parms.Model);
}
}
public void GetMetadataForPropertyWithNullContainerReturnsMetadataWithNullValuesForProperties()
{
// Arrange
TestableAssociatedMetadataProvider provider = new TestableAssociatedMetadataProvider();
// Act
provider.GetMetadataForProperties(null, typeof(PropertyModel)).ToList(); // Call ToList() to force the lazy evaluation to evaluate
// Assert
Assert.True(provider.CreateMetadataFromPrototypeLog.Any());
foreach (var parms in provider.CreateMetadataFromPrototypeLog)
{
Assert.Null(parms.Model);
}
}
public void GetMetadataForPropertiesCreatesMetadataForAllPropertiesOnModelWithPropertyValues()
{
// Arrange
PropertyModel model = new PropertyModel
{
LocalAttributes = 42,
MetadataAttributes = "hello",
MixedAttributes = 21.12
};
TestableAssociatedMetadataProvider provider = new TestableAssociatedMetadataProvider();
// Act
provider.GetMetadataForProperties(model, typeof(PropertyModel)).ToList(); // Call ToList() to force the lazy evaluation to evaluate
// Assert
CreateMetadataParams local = provider.CreateMetadataLog.Single(
m => m.ContainerType == typeof(PropertyModel) && m.PropertyName == "LocalAttributes"
);
Assert.Equal(typeof(int), local.ModelType);
Assert.Equal(42, local.Model);
Assert.Contains(local.Attributes, a => a is RequiredAttribute);
CreateMetadataParams metadata = provider.CreateMetadataLog.Single(
m =>
m.ContainerType == typeof(PropertyModel) &&
m.PropertyName == "MetadataAttributes"
);
Assert.Equal(typeof(string), metadata.ModelType);
Assert.Equal("hello", metadata.Model);
Assert.Contains(metadata.Attributes, a => a is RangeAttribute);
CreateMetadataParams mixed = provider.CreateMetadataLog.Single(
m => m.ContainerType == typeof(PropertyModel) && m.PropertyName == "MixedAttributes"
);
Assert.Equal(typeof(double), mixed.ModelType);
Assert.Equal(21.12, mixed.Model);
Assert.Contains(mixed.Attributes, a => a is RequiredAttribute);
Assert.Contains(mixed.Attributes, a => a is RangeAttribute);
}
