public void CreateMetadataForProperty()
{
// Arrange
var provider = new EmptyModelMetadataProvider();
var detailsProvider = new EmptyCompositeMetadataDetailsProvider();
var key = ModelMetadataIdentity.ForProperty(typeof(string), "Message", typeof(Exception));
var cache = new DefaultMetadataDetails(key, new ModelAttributes(new object[0], new object[0]));
// Act
var metadata = new DefaultModelMetadata(provider, detailsProvider, cache);
// Assert
Assert.Equal(typeof(string), metadata.ModelType);
Assert.Equal("Message", metadata.PropertyName);
Assert.Equal(typeof(Exception), metadata.ContainerType);
}
public void IsReadOnly_ReturnsFalse_ForPublicSetProperty()
{
// Arrange
var detailsProvider = new EmptyCompositeMetadataDetailsProvider();
var provider = new DefaultModelMetadataProvider(detailsProvider);
var key = ModelMetadataIdentity.ForType(typeof(TypeWithProperties));
var cache = new DefaultMetadataDetails(key, new ModelAttributes(new object[0]));
var metadata = new DefaultModelMetadata(provider, detailsProvider, cache);
// Act
var isReadOnly = metadata.Properties["PublicGetPublicSetProperty"].IsReadOnly;
// Assert
Assert.False(isReadOnly);
}
public void ValidateChildren_ComplexAndEnumerableTypes(Type modelType)
{
// Arrange
var detailsProvider = new EmptyCompositeMetadataDetailsProvider();
var provider = new DefaultModelMetadataProvider(detailsProvider);
var key = ModelMetadataIdentity.ForType(typeof(TypeWithProperties));
var cache = new DefaultMetadataDetails(key, new ModelAttributes(new object[0]));
var metadata = new DefaultModelMetadata(provider, detailsProvider, cache);
// Act
var validateChildren = metadata.ValidateChildren;
// Assert
Assert.True(validateChildren);
}
public void IsRequired_ReturnsTrue_ForNonNullableTypes(Type modelType)
{
// Arrange
var provider = new EmptyModelMetadataProvider();
var detailsProvider = new EmptyCompositeMetadataDetailsProvider();
var key = ModelMetadataIdentity.ForType(modelType);
var cache = new DefaultMetadataDetails(key, new ModelAttributes(new object[0]));
var metadata = new DefaultModelMetadata(provider, detailsProvider, cache);
// Act
var isRequired = metadata.IsRequired;
// Assert
Assert.True(isRequired);
}
public void ElementMetadata_ReturnsNull_ForNonCollections(Type modelType)
{
// Arrange
var provider = new EmptyModelMetadataProvider();
var detailsProvider = new EmptyCompositeMetadataDetailsProvider();
var key = ModelMetadataIdentity.ForType(modelType);
var cache = new DefaultMetadataDetails(key, new ModelAttributes(new object[0]));
var metadata = new DefaultModelMetadata(provider, detailsProvider, cache);
// Act
var elementMetadata = metadata.ElementMetadata;
// Assert
Assert.Null(elementMetadata);
}
public void ValidateChildren_SimpleTypes(Type modelType)
{
// Arrange
var detailsProvider = new EmptyCompositeMetadataDetailsProvider();
var provider = new DefaultModelMetadataProvider(detailsProvider);
var key = ModelMetadataIdentity.ForType(modelType);
var cache = new DefaultMetadataDetails(key, new ModelAttributes(new object[0], null, null));
var metadata = new DefaultModelMetadata(provider, detailsProvider, cache);
// Act
var validateChildren = metadata.ValidateChildren;
// Assert
Assert.False(validateChildren);
}
public void ElementMetadata_ReturnsExpectedMetadata(Type modelType, Type elementType)
{
// Arrange
var provider = new EmptyModelMetadataProvider();
var detailsProvider = new EmptyCompositeMetadataDetailsProvider();
var key = ModelMetadataIdentity.ForType(modelType);
var cache = new DefaultMetadataDetails(key, new ModelAttributes(new object[0], null, null));
var metadata = new DefaultModelMetadata(provider, detailsProvider, cache);
// Act
var elementMetadata = metadata.ElementMetadata;
// Assert
Assert.NotNull(elementMetadata);
Assert.Equal(elementType, elementMetadata.ModelType);
}
public void PropertiesEnumerationEvaluatedOnce()
{
// Arrange
var provider = new EmptyModelMetadataProvider();
var detailsProvider = new EmptyCompositeMetadataDetailsProvider();
var key = ModelMetadataIdentity.ForType(typeof(string));
var cache = new DefaultMetadataDetails(key, new ModelAttributes(new object[0]));
var metadata = new DefaultModelMetadata(provider, detailsProvider, cache);
// Act
var firstPropertiesEvaluation = metadata.Properties.ToList();
var secondPropertiesEvaluation = metadata.Properties.ToList();
// Assert
// Identical ModelMetadata objects every time we run through the Properties collection.
Assert.Equal(firstPropertiesEvaluation, secondPropertiesEvaluation);
}
public void PropertiesSetOnce()
{
// Arrange
var provider = new EmptyModelMetadataProvider();
var detailsProvider = new EmptyCompositeMetadataDetailsProvider();
var key = ModelMetadataIdentity.ForType(typeof(string));
var cache = new DefaultMetadataDetails(key, new ModelAttributes(new object[0]));
var metadata = new DefaultModelMetadata(provider, detailsProvider, cache);
// Act
var firstPropertiesEvaluation = metadata.Properties;
var secondPropertiesEvaluation = metadata.Properties;
// Assert
// Same IEnumerable<ModelMetadata> object.
Assert.Same(firstPropertiesEvaluation, secondPropertiesEvaluation);
}
public void PropertiesProperty_OrdersPropertyNamesUsingOrder_ThenAsProvided(
IEnumerable <KeyValuePair <string, int> > originalNamesAndOrders,
IEnumerable <string> expectedNames)
{
// Arrange
var provider = new Mock <IModelMetadataProvider>(MockBehavior.Strict);
var detailsProvider = new EmptyCompositeMetadataDetailsProvider();
var expectedProperties = new List <DefaultModelMetadata>();
foreach (var kvp in originalNamesAndOrders)
{
var propertyCache = new DefaultMetadataDetails(
ModelMetadataIdentity.ForProperty(typeof(int), kvp.Key, typeof(string)),
attributes: new ModelAttributes(new object[0], new object[0], null))
{
DisplayMetadata = new DisplayMetadata(),
};
propertyCache.DisplayMetadata.Order = kvp.Value;
expectedProperties.Add(new DefaultModelMetadata(
provider.Object,
detailsProvider,
propertyCache));
}
provider
.Setup(p => p.GetMetadataForProperties(typeof(string)))
.Returns(expectedProperties);
var key = ModelMetadataIdentity.ForType(typeof(string));
var cache = new DefaultMetadataDetails(key, new ModelAttributes(new object[0], null, null));
var metadata = new DefaultModelMetadata(provider.Object, detailsProvider, cache);
// Act
var properties = metadata.Properties;
// Assert
Assert.Equal(expectedNames.Count(), properties.Count);
Assert.Equal(expectedNames.ToArray(), properties.Select(p => p.PropertyName).ToArray());
}
public void PropertiesProperty_CallsProvider()
{
// Arrange
var provider = new Mock <IModelMetadataProvider>(MockBehavior.Strict);
var detailsProvider = new EmptyCompositeMetadataDetailsProvider();
var expectedProperties = new DefaultModelMetadata[]
{
new DefaultModelMetadata(
provider.Object,
detailsProvider,
new DefaultMetadataDetails(
ModelMetadataIdentity.ForProperty(typeof(int), "Prop1", typeof(string)),
attributes: new ModelAttributes(new object[0], new object[0]))),
new DefaultModelMetadata(
provider.Object,
detailsProvider,
new DefaultMetadataDetails(
ModelMetadataIdentity.ForProperty(typeof(int), "Prop2", typeof(string)),
attributes: new ModelAttributes(new object[0], new object[0]))),
};
provider
.Setup(p => p.GetMetadataForProperties(typeof(string)))
.Returns(expectedProperties);
var key = ModelMetadataIdentity.ForType(typeof(string));
var cache = new DefaultMetadataDetails(key, new ModelAttributes(new object[0]));
var metadata = new DefaultModelMetadata(provider.Object, detailsProvider, cache);
// Act
var properties = metadata.Properties;
// Assert
Assert.Equal(expectedProperties.Length, properties.Count);
for (var i = 0; i < expectedProperties.Length; i++)
{
Assert.Same(expectedProperties[i], properties[i]);
}
}
public void ValidateChildren_OverrideFalse()
{
// Arrange
var detailsProvider = new EmptyCompositeMetadataDetailsProvider();
var provider = new DefaultModelMetadataProvider(detailsProvider);
var key = ModelMetadataIdentity.ForType(typeof(XmlDocument));
var cache = new DefaultMetadataDetails(key, new ModelAttributes(new object[0]));
cache.ValidationMetadata = new ValidationMetadata()
{
ValidateChildren = false,
};
var metadata = new DefaultModelMetadata(provider, detailsProvider, cache);
// Act
var validateChildren = metadata.ValidateChildren;
// Assert
Assert.False(validateChildren);
}
public void PropertyValidationFilter_ReflectsFilter_FromValidationMetadata(IPropertyValidationFilter value)
{
// Arrange
var detailsProvider = new EmptyCompositeMetadataDetailsProvider();
var provider = new DefaultModelMetadataProvider(detailsProvider);
var key = ModelMetadataIdentity.ForType(typeof(int));
var cache = new DefaultMetadataDetails(key, new ModelAttributes(new object[0]));
cache.ValidationMetadata = new ValidationMetadata
{
PropertyValidationFilter = value,
};
var metadata = new DefaultModelMetadata(provider, detailsProvider, cache);
// Act
var validationFilter = metadata.PropertyValidationFilter;
// Assert
Assert.Same(value, validationFilter);
}
public void IsReadOnly_ReturnsFalse_ForType()
{
// Arrange
var detailsProvider = new EmptyCompositeMetadataDetailsProvider();
var provider = new DefaultModelMetadataProvider(detailsProvider);
var key = ModelMetadataIdentity.ForType(typeof(int[]));
var cache = new DefaultMetadataDetails(key, new ModelAttributes(new object[0]));
cache.BindingMetadata = new BindingMetadata()
{
IsReadOnly = true, // Will be ignored.
};
var metadata = new DefaultModelMetadata(provider, detailsProvider, cache);
// Act
var isReadOnly = metadata.IsReadOnly;
// Assert
Assert.False(isReadOnly);
}
public void IsBindingRequired_ReturnsFalse_ForTypes(Type modelType)
{
// Arrange
var provider = new EmptyModelMetadataProvider();
var detailsProvider = new EmptyCompositeMetadataDetailsProvider();
var key = ModelMetadataIdentity.ForType(modelType);
var cache = new DefaultMetadataDetails(key, new ModelAttributes(new object[0]));
cache.BindingMetadata = new BindingMetadata()
{
IsBindingRequired = true, // Will be ignored.
};
var metadata = new DefaultModelMetadata(provider, detailsProvider, cache);
// Act
var isBindingRequired = metadata.IsBindingRequired;
// Assert
Assert.False(isBindingRequired);
}
public void PropertiesProperty_WithDefaultOrder_OrdersPropertyNamesAsProvided(
IEnumerable <string> originalNames,
IEnumerable <string> expectedNames)
{
// Arrange
var provider = new Mock <IModelMetadataProvider>(MockBehavior.Strict);
var detailsProvider = new EmptyCompositeMetadataDetailsProvider();
var expectedProperties = new List <DefaultModelMetadata>();
foreach (var originalName in originalNames)
{
expectedProperties.Add(new DefaultModelMetadata(
provider.Object,
detailsProvider,
new DefaultMetadataDetails(
ModelMetadataIdentity.ForProperty(typeof(int), originalName, typeof(string)),
attributes: new ModelAttributes(new object[0], new object[0]))));
}
provider
.Setup(p => p.GetMetadataForProperties(typeof(string)))
.Returns(expectedProperties);
var key = ModelMetadataIdentity.ForType(typeof(string));
var cache = new DefaultMetadataDetails(key, new ModelAttributes(new object[0]));
var metadata = new DefaultModelMetadata(provider.Object, detailsProvider, cache);
// Act
var properties = metadata.Properties;
// Assert
Assert.Equal(expectedNames.Count(), properties.Count);
Assert.Equal(expectedNames.ToArray(), properties.Select(p => p.PropertyName).ToArray());
}