// Only render attributes if unobtrusive client-side validation is enabled, and then only if we've
// never rendered validation for a field with this name in this form. Also, if there's no form context,
// then we can't render the attributes (we'd have no <form> to attach them to).
public static IDictionary <string, object> GetUnobtrusiveValidationAttributes(HtmlHelper htmlHelper, string name, ModelMetadata metadata)
{
Dictionary <string, object> results = new Dictionary <string, object>();
// The ordering of these 3 checks (and the early exits) is for performance reasons.
if (!htmlHelper.ViewContext.UnobtrusiveJavaScriptEnabled)
{
return(results);
}
FormContext formContext = GetFormContextForClientValidation(htmlHelper);
if (formContext == null)
{
return(results);
}
string fullName = htmlHelper.ViewData.TemplateInfo.GetFullHtmlFieldName(name);
if (formContext.RenderedField(fullName))
{
return(results);
}
formContext.RenderedField(fullName, true);
//IEnumerable<ModelClientValidationRule> clientRules = htmlHelper.ClientValidationRuleFactory(name, metadata);
//copy of the ClientValidationRuleFactory method
IEnumerable <ModelClientValidationRule> clientRules = ModelValidatorProviders.Providers.GetValidators(metadata ?? ModelMetadata.FromStringExpression(name, htmlHelper.ViewData), htmlHelper.ViewContext).SelectMany(v => v.GetClientValidationRules());
UnobtrusiveValidationAttributesGenerator.GetValidationAttributes(clientRules, results);
return(results);
}
public void CanSetRenderedFieldToBeTrue()
{
// Arrange
var context = new FormContext();
var name = Guid.NewGuid().ToString();
context.RenderedField(name, true);
// Act
bool result = context.RenderedField(name);
// Assert
Assert.True(result);
}
public void RenderedFieldIsFalseByDefault()
{
// Arrange
var context = new FormContext();
// Act
bool result = context.RenderedField(Guid.NewGuid().ToString());
// Assert
Assert.False(result);
}
public void GetUnobtrusiveValidationAttributesMarksRenderedFieldsWithFullName()
{
// Arrange
var formContext = new FormContext();
var viewContext = new Mock <ViewContext>();
var viewData = new ViewDataDictionary();
viewContext.SetupGet(vc => vc.FormContext).Returns(formContext);
viewContext.SetupGet(vc => vc.ClientValidationEnabled).Returns(true);
viewContext.SetupGet(vc => vc.UnobtrusiveJavaScriptEnabled).Returns(true);
viewData.TemplateInfo.HtmlFieldPrefix = "Prefix";
var viewDataContainer = MvcHelper.GetViewDataContainer(viewData);
var htmlHelper = new HtmlHelper(viewContext.Object, viewDataContainer);
// Act
htmlHelper.GetUnobtrusiveValidationAttributes("foobar");
// Assert
Assert.IsFalse(formContext.RenderedField("foobar"));
Assert.IsTrue(formContext.RenderedField("Prefix.foobar"));
}
public void GetUnobtrusiveValidationAttributesReturnsEmptySetWhenClientValidationIsNotEnabled()
{
// Arrange
var formContext = new FormContext();
formContext.RenderedField("foobar", true);
var viewContext = new Mock <ViewContext>();
viewContext.SetupGet(vc => vc.FormContext).Returns(formContext);
var viewDataContainer = MvcHelper.GetViewDataContainer(new ViewDataDictionary());
var htmlHelper = new HtmlHelper(viewContext.Object, viewDataContainer);
// Act
IDictionary <string, object> result = htmlHelper.GetUnobtrusiveValidationAttributes("foobar");
// Assert
Assert.AreEqual(0, result.Count);
}
public void GetUnobtrusiveValidationAttributesReturnsEmptySetAndSetsFieldAsRenderedForFieldWithNoClientRules()
{
// Arrange
var formContext = new FormContext();
var viewContext = new Mock <ViewContext>();
viewContext.SetupGet(vc => vc.FormContext).Returns(formContext);
viewContext.SetupGet(vc => vc.ClientValidationEnabled).Returns(true);
viewContext.SetupGet(vc => vc.UnobtrusiveJavaScriptEnabled).Returns(true);
var viewDataContainer = MvcHelper.GetViewDataContainer(new ViewDataDictionary());
var htmlHelper = new HtmlHelper(viewContext.Object, viewDataContainer);
htmlHelper.ClientValidationRuleFactory = delegate { return(Enumerable.Empty <ModelClientValidationRule>()); };
// Act
IDictionary <string, object> result = htmlHelper.GetUnobtrusiveValidationAttributes("foobar");
// Assert
Assert.AreEqual(0, result.Count);
Assert.IsTrue(formContext.RenderedField("foobar"));
}
public void GetUnobtrusiveValidationAttributesMarksRenderedFieldsWithFullName()
{
// Arrange
var formContext = new FormContext();
var viewContext = new Mock<ViewContext>();
var viewData = new ViewDataDictionary();
viewContext.SetupGet(vc => vc.FormContext).Returns(formContext);
viewContext.SetupGet(vc => vc.ClientValidationEnabled).Returns(true);
viewContext.SetupGet(vc => vc.UnobtrusiveJavaScriptEnabled).Returns(true);
viewData.TemplateInfo.HtmlFieldPrefix = "Prefix";
var viewDataContainer = MvcHelper.GetViewDataContainer(viewData);
var htmlHelper = new HtmlHelper(viewContext.Object, viewDataContainer);
// Act
htmlHelper.GetUnobtrusiveValidationAttributes("foobar");
// Assert
Assert.False(formContext.RenderedField("foobar"));
Assert.True(formContext.RenderedField("Prefix.foobar"));
}
public void GetUnobtrusiveValidationAttributesReturnsEmptySetAndSetsFieldAsRenderedForFieldWithNoClientRules()
{
// Arrange
var formContext = new FormContext();
var viewContext = new Mock<ViewContext>();
viewContext.SetupGet(vc => vc.FormContext).Returns(formContext);
viewContext.SetupGet(vc => vc.ClientValidationEnabled).Returns(true);
viewContext.SetupGet(vc => vc.UnobtrusiveJavaScriptEnabled).Returns(true);
var viewDataContainer = MvcHelper.GetViewDataContainer(new ViewDataDictionary());
var htmlHelper = new HtmlHelper(viewContext.Object, viewDataContainer);
htmlHelper.ClientValidationRuleFactory = delegate { return Enumerable.Empty<ModelClientValidationRule>(); };
// Act
IDictionary<string, object> result = htmlHelper.GetUnobtrusiveValidationAttributes("foobar");
// Assert
Assert.Empty(result);
Assert.True(formContext.RenderedField("foobar"));
}
public void GetUnobtrusiveValidationAttributesReturnsEmptySetWhenFieldHasAlreadyBeenRendered()
{
// Arrange
var formContext = new FormContext();
formContext.RenderedField("foobar", true);
var viewContext = new Mock<ViewContext>();
viewContext.SetupGet(vc => vc.FormContext).Returns(formContext);
viewContext.SetupGet(vc => vc.ClientValidationEnabled).Returns(true);
viewContext.SetupGet(vc => vc.UnobtrusiveJavaScriptEnabled).Returns(true);
var viewDataContainer = MvcHelper.GetViewDataContainer(new ViewDataDictionary());
var htmlHelper = new HtmlHelper(viewContext.Object, viewDataContainer);
// Act
IDictionary<string, object> result = htmlHelper.GetUnobtrusiveValidationAttributes("foobar");
// Assert
Assert.Empty(result);
}
public void CanSetRenderedFieldToBeTrue()
{
// Arrange
var context = new FormContext();
var name = Guid.NewGuid().ToString();
context.RenderedField(name, true);
// Act
bool result = context.RenderedField(name);
// Assert
Assert.True(result);
}
public void RenderedFieldIsFalseByDefault()
{
// Arrange
var context = new FormContext();
// Act
bool result = context.RenderedField(Guid.NewGuid().ToString());
// Assert
Assert.False(result);
}
public void GetUnobtrusiveValidationAttributesReturnsEmptySetWhenClientValidationIsNotEnabled() {
// Arrange
var formContext = new FormContext();
formContext.RenderedField("foobar", true);
var viewContext = new Mock<ViewContext>();
viewContext.SetupGet(vc => vc.FormContext).Returns(formContext);
var viewDataContainer = MvcHelper.GetViewDataContainer(new ViewDataDictionary());
var htmlHelper = new HtmlHelper(viewContext.Object, viewDataContainer);
// Act
IDictionary<string, object> result = htmlHelper.GetUnobtrusiveValidationAttributes("foobar");
// Assert
Assert.AreEqual(0, result.Count);
}