public void GetEnumSelectList_ReturnsExpectedItems(Type type, IEnumerable<SelectListItem> expected)
{
// Arrange
var metadataProvider = TestModelMetadataProvider.CreateDefaultProvider();
var metadata = metadataProvider.GetMetadataForType(type);
var htmlHelper = new TestHtmlHelper(metadataProvider);
// Act
var result = htmlHelper.GetEnumSelectList(type);
// Assert
// OrderBy is used because the order of the results may very depending on the platform / client.
VerifySelectList(
expected.OrderBy(item => item.Text, StringComparer.Ordinal),
result.OrderBy(item => item.Text, StringComparer.Ordinal));
}
public void GetEnumSelectListType_WrapsGetEnumSelectListModelMetadata()
{
// Arrange
var metadataProvider = TestModelMetadataProvider.CreateDefaultProvider();
var metadata = metadataProvider.GetMetadataForType(typeof(EnumWithFields));
var htmlHelper = new TestHtmlHelper(metadataProvider);
// Act
var result = htmlHelper.GetEnumSelectList(typeof(EnumWithFields));
// Assert
Assert.Equal(metadata.ModelType, htmlHelper.Metadata.ModelType);
Assert.Same(htmlHelper.SelectListItems, result); // No replacement of the underlying List
VerifySelectList(htmlHelper.CopiedSelectListItems, result); // No change to the (mutable) items
}
public void GetEnumSelectListTEnum_ThrowsWithFlagsEnum()
{
// Arrange
var metadataProvider = TestModelMetadataProvider.CreateDefaultProvider();
var htmlHelper = new TestHtmlHelper(metadataProvider);
// Act & Assert
ExceptionAssert.ThrowsArgument(
() => htmlHelper.GetEnumSelectList<EnumWithFlags>(),
"TEnum",
$"The type '{ typeof(EnumWithFlags).FullName }' is not supported.");
}
public void GetEnumSelectListType_ThrowsWithNonStruct()
{
// Arrange
var metadataProvider = TestModelMetadataProvider.CreateDefaultProvider();
var htmlHelper = new TestHtmlHelper(metadataProvider);
// Act & Assert
ExceptionAssert.ThrowsArgument(
() => htmlHelper.GetEnumSelectList(typeof(ClassWithFields)),
"enumType",
$"The type '{ typeof(ClassWithFields).FullName }' is not supported.");
}
public void GetEnumSelectList_ReturnsExpectedItems(Type type, IEnumerable<SelectListItem> expected)
{
// Arrange
var metadataProvider = TestModelMetadataProvider.CreateDefaultProvider();
var metadata = metadataProvider.GetMetadataForType(type);
var htmlHelper = new TestHtmlHelper(metadataProvider);
// Act
var result = htmlHelper.GetEnumSelectList(type);
// Assert
VerifySelectList(expected, result);
}