public void DefaultValues()
{
// Arrange
var provider = new EmptyModelMetadataProvider();
var detailsProvider = new DefaultCompositeMetadataDetailsProvider(
Enumerable.Empty <IMetadataDetailsProvider>());
var key = ModelMetadataIdentity.ForType(typeof(string));
var cache = new DefaultMetadataDetails(key, new ModelAttributes(new object[0]));
// Act
var metadata = new DefaultModelMetadata(provider, detailsProvider, cache);
// Assert
Assert.NotNull(metadata.AdditionalValues);
Assert.Empty(metadata.AdditionalValues);
Assert.Equal(typeof(string), metadata.ModelType);
Assert.True(metadata.ConvertEmptyStringToNull);
Assert.False(metadata.HasNonDefaultEditFormat);
Assert.False(metadata.HideSurroundingHtml);
Assert.True(metadata.HtmlEncode);
Assert.True(metadata.IsBindingAllowed);
Assert.False(metadata.IsBindingRequired);
Assert.False(metadata.IsCollectionType);
Assert.False(metadata.IsComplexType);
Assert.False(metadata.IsEnumerableType);
Assert.False(metadata.IsEnum);
Assert.False(metadata.IsFlagsEnum);
Assert.False(metadata.IsNullableValueType);
Assert.False(metadata.IsReadOnly);
Assert.False(metadata.IsRequired); // Defaults to false for reference types
Assert.True(metadata.ShowForDisplay);
Assert.True(metadata.ShowForEdit);
Assert.Null(metadata.DataTypeName);
Assert.Null(metadata.Description);
Assert.Null(metadata.DisplayFormatString);
Assert.Null(metadata.DisplayName);
Assert.Null(metadata.EditFormatString);
Assert.Null(metadata.ElementMetadata);
Assert.Null(metadata.EnumGroupedDisplayNamesAndValues);
Assert.Null(metadata.EnumNamesAndValues);
Assert.Null(metadata.NullDisplayText);
Assert.Null(metadata.TemplateHint);
Assert.Null(metadata.SimpleDisplayProperty);
Assert.Equal(10000, ModelMetadata.DefaultOrder);
Assert.Equal(ModelMetadata.DefaultOrder, metadata.Order);
Assert.Null(metadata.BinderModelName);
Assert.Null(metadata.BinderType);
Assert.Null(metadata.BindingSource);
Assert.Null(metadata.PropertyBindingPredicateProvider);
}
public void DefaultValues()
{
// Arrange
var provider = new EmptyModelMetadataProvider();
var detailsProvider = new DefaultCompositeMetadataDetailsProvider(
Enumerable.Empty<IMetadataDetailsProvider>());
var key = ModelMetadataIdentity.ForType(typeof(string));
var cache = new DefaultMetadataDetails(key, new ModelAttributes(new object[0]));
// Act
var metadata = new DefaultModelMetadata(provider, detailsProvider, cache);
// Assert
Assert.NotNull(metadata.AdditionalValues);
Assert.Empty(metadata.AdditionalValues);
Assert.Equal(typeof(string), metadata.ModelType);
Assert.True(metadata.ConvertEmptyStringToNull);
Assert.False(metadata.HasNonDefaultEditFormat);
Assert.False(metadata.HideSurroundingHtml);
Assert.True(metadata.HtmlEncode);
Assert.False(metadata.IsBindingRequired);
Assert.False(metadata.IsComplexType);
Assert.False(metadata.IsCollectionType);
Assert.False(metadata.IsEnum);
Assert.False(metadata.IsFlagsEnum);
Assert.False(metadata.IsNullableValueType);
Assert.False(metadata.IsReadOnly);
Assert.False(metadata.IsRequired);
Assert.True(metadata.ShowForDisplay);
Assert.True(metadata.ShowForEdit);
Assert.Null(metadata.DataTypeName);
Assert.Null(metadata.Description);
Assert.Null(metadata.DisplayFormatString);
Assert.Null(metadata.DisplayName);
Assert.Null(metadata.EditFormatString);
Assert.Null(metadata.EnumDisplayNamesAndValues);
Assert.Null(metadata.EnumNamesAndValues);
Assert.Null(metadata.NullDisplayText);
Assert.Null(metadata.TemplateHint);
Assert.Null(metadata.SimpleDisplayProperty);
Assert.Equal(10000, ModelMetadata.DefaultOrder);
Assert.Equal(ModelMetadata.DefaultOrder, metadata.Order);
Assert.Null(metadata.BinderModelName);
Assert.Null(metadata.BinderType);
Assert.Null(metadata.BindingSource);
Assert.Null(metadata.PropertyBindingPredicateProvider);
}
public void CreateMetadataForType()
{
// Arrange
var provider = new EmptyModelMetadataProvider();
var detailsProvider = new DefaultCompositeMetadataDetailsProvider(
Enumerable.Empty <IMetadataDetailsProvider>());
var key = ModelMetadataIdentity.ForType(typeof(Exception));
var cache = new DefaultMetadataDetails(key, new ModelAttributes(new object[0]));
// Act
var metadata = new DefaultModelMetadata(provider, detailsProvider, cache);
// Assert
Assert.Equal(typeof(Exception), metadata.ModelType);
Assert.Null(metadata.PropertyName);
Assert.Null(metadata.ContainerType);
}
public void CreateMetadataForType()
{
// Arrange
var provider = new EmptyModelMetadataProvider();
var detailsProvider = new DefaultCompositeMetadataDetailsProvider(
Enumerable.Empty<IMetadataDetailsProvider>());
var key = ModelMetadataIdentity.ForType(typeof(Exception));
var cache = new DefaultMetadataDetailsCache(key, new object[0]);
// Act
var metadata = new DefaultModelMetadata(provider, detailsProvider, cache);
// Assert
Assert.Equal(typeof(Exception), metadata.ModelType);
Assert.Null(metadata.PropertyName);
Assert.Null(metadata.ContainerType);
}
private IModelMetadataProvider CreateModelMetadataProvider()
{
var metadataDetailsProvider = new DefaultCompositeMetadataDetailsProvider(
new IMetadataDetailsProvider[]
{
new DefaultBindingMetadataProvider(new ModelBindingMessageProvider
{
MissingBindRequiredValueAccessor = name => $"A value for the '{ name }' property was not provided.",
MissingKeyOrValueAccessor = () => $"A value is required.",
ValueMustNotBeNullAccessor = value => $"The value '{ value }' is invalid.",
}),
new DataAnnotationsMetadataProvider()
}
);
return new DefaultModelMetadataProvider(metadataDetailsProvider);
}
private IModelMetadataProvider CreateModelMetadataProvider()
{
var metadataDetailsProvider = new DefaultCompositeMetadataDetailsProvider(
new IMetadataDetailsProvider[]
{
new DefaultBindingMetadataProvider(new ModelBindingMessageProvider()),
new DataAnnotationsMetadataProvider()
}
);
return new DefaultModelMetadataProvider(metadataDetailsProvider);
}
