public void DisplayFormatAttributetSetsNullDisplayText()
{
// Arrange
var provider = new CachedDataAnnotationsModelMetadataProvider();
// Act & Assert
Assert.Null(provider.GetMetadataForProperty(null, typeof(DisplayFormatModel), "NoAttribute").NullDisplayText);
Assert.Equal("(null value)", provider.GetMetadataForProperty(null, typeof(DisplayFormatModel), "NullDisplayText").NullDisplayText);
}
public void ScaffoldColumnAttributeSetsShowForEdit()
{
// Arrange
var provider = new CachedDataAnnotationsModelMetadataProvider();
// Act & Assert
Assert.True(provider.GetMetadataForProperty(null, typeof(ScaffoldColumnModel), "NoAttribute").ShowForEdit);
Assert.True(provider.GetMetadataForProperty(null, typeof(ScaffoldColumnModel), "ScaffoldColumnTrue").ShowForEdit);
Assert.False(provider.GetMetadataForProperty(null, typeof(ScaffoldColumnModel), "ScaffoldColumnFalse").ShowForEdit);
}
public void OrderTests()
{
// Arrange
var provider = new CachedDataAnnotationsModelMetadataProvider();
// Act & Assert
Assert.Equal(10000, provider.GetMetadataForProperty(null, typeof(DisplayModel), "NoAttribute").Order);
Assert.Equal(10000, provider.GetMetadataForProperty(null, typeof(DisplayModel), "OrderNotSet").Order);
Assert.Equal(2112, provider.GetMetadataForProperty(null, typeof(DisplayModel), "OrderSet").Order);
}
public void IsRequiredTests()
{
// Arrange
var provider = new CachedDataAnnotationsModelMetadataProvider();
// Act & Assert
Assert.True(provider.GetMetadataForProperty(null, typeof(IsRequiredModel), "NonNullableWithout").IsRequired);
Assert.False(provider.GetMetadataForProperty(null, typeof(IsRequiredModel), "NullableWithout").IsRequired);
Assert.True(provider.GetMetadataForProperty(null, typeof(IsRequiredModel), "NullableWith").IsRequired);
}
public void ShortDisplayNameTests()
{
// Arrange
var provider = new CachedDataAnnotationsModelMetadataProvider();
// Act & Assert
Assert.Null(provider.GetMetadataForProperty(null, typeof(DisplayModel), "NoAttribute").ShortDisplayName);
Assert.Null(provider.GetMetadataForProperty(null, typeof(DisplayModel), "ShortNameNotSet").ShortDisplayName);
Assert.Equal("Short name", provider.GetMetadataForProperty(null, typeof(DisplayModel), "ShortNameSet").ShortDisplayName);
}
public void SimpleDisplayNameWithUnknownDisplayColumnThrows()
{
// Arrange
var provider = new CachedDataAnnotationsModelMetadataProvider();
// Act & Assert
Assert.Throws <InvalidOperationException>(
() => provider.GetMetadataForType(() => new UnknownDisplayColumnModel(), typeof(UnknownDisplayColumnModel)).SimpleDisplayText,
typeof(UnknownDisplayColumnModel).FullName + " has a DisplayColumn attribute for NoPropertyWithThisName, but property NoPropertyWithThisName does not exist.");
}
public void DescriptionTests()
{
// Arrange
var provider = new CachedDataAnnotationsModelMetadataProvider();
// Act & Assert
Assert.Null(provider.GetMetadataForProperty(null, typeof(DisplayModel), "NoAttribute").Description);
Assert.Null(provider.GetMetadataForProperty(null, typeof(DisplayModel), "DescriptionNotSet").Description);
Assert.Equal("Description text", provider.GetMetadataForProperty(null, typeof(DisplayModel), "DescriptionSet").Description);
}
public void DisplayFormatAttributeSetsConvertEmptyStringToNull()
{
// Arrange
var provider = new CachedDataAnnotationsModelMetadataProvider();
// Act & Assert
Assert.True(provider.GetMetadataForProperty(null, typeof(DisplayFormatModel), "NoAttribute").ConvertEmptyStringToNull);
Assert.True(provider.GetMetadataForProperty(null, typeof(DisplayFormatModel), "ConvertEmptyStringToNullTrue").ConvertEmptyStringToNull);
Assert.False(provider.GetMetadataForProperty(null, typeof(DisplayFormatModel), "ConvertEmptyStringToNullFalse").ConvertEmptyStringToNull);
}
public void DisplayFormatAttributeSetEditFormatString()
{
// Arrange
var provider = new CachedDataAnnotationsModelMetadataProvider();
// Act & Assert
Assert.Null(provider.GetMetadataForProperty(null, typeof(DisplayFormatModel), "NoAttribute").EditFormatString);
Assert.Null(provider.GetMetadataForProperty(null, typeof(DisplayFormatModel), "DisplayFormatString").EditFormatString);
Assert.Equal("Data {0} format", provider.GetMetadataForProperty(null, typeof(DisplayFormatModel), "DisplayAndEditFormatString").EditFormatString);
}
public void WatermarkTests()
{
// Arrange
var provider = new CachedDataAnnotationsModelMetadataProvider();
// Act & Assert
Assert.Null(provider.GetMetadataForProperty(null, typeof(DisplayModel), "NoAttribute").Watermark);
Assert.Null(provider.GetMetadataForProperty(null, typeof(DisplayModel), "PromptNotSet").Watermark);
Assert.Equal("Enter stuff here", provider.GetMetadataForProperty(null, typeof(DisplayModel), "PromptSet").Watermark);
}
public void DataTypeAttributeSetsDataTypeName()
{
// Arrange
var provider = new CachedDataAnnotationsModelMetadataProvider();
// Act & Assert
Assert.Null(provider.GetMetadataForProperty(null, typeof(DataTypeModel), "NoAttribute").DataTypeName);
Assert.Equal("EmailAddress", provider.GetMetadataForProperty(null, typeof(DataTypeModel), "EmailAddressProperty").DataTypeName);
Assert.Equal("CustomDataType", provider.GetMetadataForProperty(null, typeof(DataTypeModel), "CustomDataTypeProperty").DataTypeName);
}
public void DataTypeInfluencedByDisplayFormatAttributeHtmlEncode()
{
// Arrange
var provider = new CachedDataAnnotationsModelMetadataProvider();
// Act & Assert
Assert.Null(provider.GetMetadataForProperty(null, typeof(DisplayFormatModel), "NoAttribute").DataTypeName);
Assert.Null(provider.GetMetadataForProperty(null, typeof(DisplayFormatModel), "HtmlEncodeTrue").DataTypeName);
Assert.Equal("Html", provider.GetMetadataForProperty(null, typeof(DisplayFormatModel), "HtmlEncodeFalse").DataTypeName);
Assert.Equal("Currency", provider.GetMetadataForProperty(null, typeof(DisplayFormatModel), "HtmlEncodeFalseWithDataType").DataTypeName);
}
public void DataTypeWithDisplayFormatOverrideUsesDisplayFormatOverride()
{
// Arrange
var provider = new CachedDataAnnotationsModelMetadataProvider();
// Act
string result = provider.GetMetadataForProperty(null, typeof(DisplayFormatModel), "DataTypeWithDisplayFormatOverride").DisplayFormatString;
// Assert
Assert.Equal("format override", result);
}
public void ReadOnlyTests()
{
// Arrange
var provider = new CachedDataAnnotationsModelMetadataProvider();
// Act & Assert
Assert.False(provider.GetMetadataForProperty(null, typeof(ReadOnlyModel), "NoAttributes").IsReadOnly);
Assert.True(provider.GetMetadataForProperty(null, typeof(ReadOnlyModel), "ReadOnlyAttribute").IsReadOnly);
Assert.True(provider.GetMetadataForProperty(null, typeof(ReadOnlyModel), "EditableAttribute").IsReadOnly);
Assert.False(provider.GetMetadataForProperty(null, typeof(ReadOnlyModel), "BothAttributes").IsReadOnly);
}
public void GetMetadataForPropertySetsTypeAndPropertyName()
{
// Arrange
var provider = new CachedDataAnnotationsModelMetadataProvider();
// Act
ModelMetadata result = provider.GetMetadataForProperty(null, typeof(string), "Length");
// Assert
Assert.Equal(typeof(int), result.ModelType);
Assert.Equal("Length", result.PropertyName);
}
public void SimpleDisplayTextForNullClassRevertsToDefaultBehavior()
{
// Arrange
var provider = new CachedDataAnnotationsModelMetadataProvider();
var metadata = provider.GetMetadataForProperty(null, typeof(SimpleDisplayTextAttributeModelContainer), "Inner");
// Act
string result = metadata.SimpleDisplayText;
// Assert
Assert.Equal("This is the null display text", result);
}
public void GetMetadataForTypeSetsTypeWithNullPropertyName()
{
// Arrange
var provider = new CachedDataAnnotationsModelMetadataProvider();
// Act
ModelMetadata result = provider.GetMetadataForType(null, typeof(string));
// Assert
Assert.Equal(typeof(string), result.ModelType);
Assert.Null(result.PropertyName);
}
public void UIHintAttributeSetsTemplateHint()
{
// Arrange
var provider = new CachedDataAnnotationsModelMetadataProvider();
// Act & Assert
Assert.Null(provider.GetMetadataForProperty(null, typeof(UIHintModel), "NoAttribute").TemplateHint);
Assert.Equal("MyCustomTemplate", provider.GetMetadataForProperty(null, typeof(UIHintModel), "DefaultUIHint").TemplateHint);
Assert.Equal("MyMvcTemplate", provider.GetMetadataForProperty(null, typeof(UIHintModel), "MvcUIHint").TemplateHint);
Assert.Null(provider.GetMetadataForProperty(null, typeof(UIHintModel), "NoMvcUIHint").TemplateHint);
Assert.Equal("MyMvcTemplate", provider.GetMetadataForProperty(null, typeof(UIHintModel), "MultipleUIHint").TemplateHint);
}
public void DisplayNameTests()
{
// Arrange
var provider = new CachedDataAnnotationsModelMetadataProvider();
// Act & Assert
Assert.Null(provider.GetMetadataForProperty(null, typeof(DisplayModel), "NoAttribute").DisplayName);
Assert.Equal("Value from DisplayName", provider.GetMetadataForProperty(null, typeof(DisplayModel), "DisplayNameAttributeNoDisplayAttribute").DisplayName);
Assert.Null(provider.GetMetadataForProperty(null, typeof(DisplayModel), "DisplayAttributeNameNotSet").DisplayName);
Assert.Equal("Non empty name", provider.GetMetadataForProperty(null, typeof(DisplayModel), "DisplayAttributeNonEmptyName").DisplayName);
Assert.Equal("Value from DisplayName", provider.GetMetadataForProperty(null, typeof(DisplayModel), "BothAttributesNameNotSet").DisplayName);
Assert.Equal("Value from Display", provider.GetMetadataForProperty(null, typeof(DisplayModel), "BothAttributes").DisplayName);
}
public void GetMetadataForPropertiesSetTypesAndPropertyNames()
{
// Arrange
var provider = new CachedDataAnnotationsModelMetadataProvider();
// Act
IEnumerable <ModelMetadata> result = provider.GetMetadataForProperties("foo", typeof(string));
// Assert
Assert.True(result.Any(m => m.ModelType == typeof(int) &&
m.PropertyName == "Length" &&
(int)m.Model == 3));
}
public void SimpleDisplayTextForNonNullClassWithNullDisplayColumnValueRevertsToDefaultBehavior()
{
// Arrange
var provider = new CachedDataAnnotationsModelMetadataProvider();
var model = new SimpleDisplayTextAttributeModel();
var metadata = provider.GetMetadataForType(() => model, typeof(SimpleDisplayTextAttributeModel));
// Act
string result = metadata.SimpleDisplayText;
// Assert
Assert.Equal("42", result); // Falls back to the default logic of first property value
}
public void SimpleDisplayTextForTypeWithWriteOnlyDisplayColumnThrows()
{
// Arrange
var provider = new CachedDataAnnotationsModelMetadataProvider();
// Act & Assert
Assert.Throws <InvalidOperationException>(
() => provider.GetMetadataForType(() => new WriteOnlyDisplayColumnModel(), typeof(WriteOnlyDisplayColumnModel)).SimpleDisplayText,
typeof(WriteOnlyDisplayColumnModel).FullName + " has a DisplayColumn attribute for WriteOnlyProperty, but property WriteOnlyProperty does not have a public getter.");
Assert.Throws <InvalidOperationException>(
() => provider.GetMetadataForType(() => new PrivateReadPublicWriteDisplayColumnModel(), typeof(PrivateReadPublicWriteDisplayColumnModel)).SimpleDisplayText,
typeof(PrivateReadPublicWriteDisplayColumnModel).FullName + " has a DisplayColumn attribute for PrivateReadPublicWriteProperty, but property PrivateReadPublicWriteProperty does not have a public getter.");
}
public void SimpleDisplayTextForNonNullClassWithNonNullDisplayColumnValue()
{
// Arrange
string expected = "Custom property display value";
var provider = new CachedDataAnnotationsModelMetadataProvider();
var model = new SimpleDisplayTextAttributeModel {
DisplayColumnProperty = expected
};
var metadata = provider.GetMetadataForType(() => model, typeof(SimpleDisplayTextAttributeModel));
// Act
string result = metadata.SimpleDisplayText;
// Assert
Assert.Equal(expected, result);
}
public CachedDataAnnotationsModelMetadata(CachedDataAnnotationsModelMetadataProvider provider, Type containerType, Type modelType, string propertyName, IEnumerable <Attribute> attributes)
: base(provider, containerType, modelType, propertyName, new CachedDataAnnotationsMetadataAttributes(attributes.ToArray()))
{
}