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// Copyright (c) Microsoft Corporation. All rights reserved. See License.txt in the project root for license information.
using System.Collections.Generic;
using System.Linq;
using System.Web.Routing;
using Moq;
using Xunit;
using Assert = Microsoft.TestCommon.AssertEx;
namespace System.Web.Mvc.Test
{
public class RemoteAttributeTest
{
// Good route name, bad route name
// Controller + Action
[Fact]
public void GuardClauses()
{
// Act & Assert
Assert.ThrowsArgumentNullOrEmpty(
() => new RemoteAttribute(null, "controller"),
"action");
Assert.ThrowsArgumentNullOrEmpty(
() => new RemoteAttribute("action", null),
"controller");
Assert.ThrowsArgumentNullOrEmpty(
() => new RemoteAttribute(null),
"routeName");
Assert.ThrowsArgumentNullOrEmpty(
() => RemoteAttribute.FormatPropertyForClientValidation(String.Empty),
"property");
Assert.ThrowsArgumentNullOrEmpty(
() => new RemoteAttribute("foo").FormatAdditionalFieldsForClientValidation(String.Empty),
"property");
}
[Fact]
public void IsValidAlwaysReturnsTrue()
{
// Act & Assert
Assert.True(new RemoteAttribute("RouteName", "ParameterName").IsValid(null));
Assert.True(new RemoteAttribute("ActionName", "ControllerName", "ParameterName").IsValid(null));
}
[Fact]
public void BadRouteNameThrows()
{
// Arrange
ControllerContext context = new ControllerContext();
ModelMetadata metadata = ModelMetadataProviders.Current.GetMetadataForType(null, typeof(object));
TestableRemoteAttribute attribute = new TestableRemoteAttribute("RouteName");
// Act & Assert
Assert.Throws<ArgumentException>(
() => new List<ModelClientValidationRule>(attribute.GetClientValidationRules(metadata, context)),
"A route named 'RouteName' could not be found in the route collection.\r\nParameter name: name");
}
[Fact]
public void NoRouteWithActionControllerThrows()
{
// Arrange
ControllerContext context = new ControllerContext();
ModelMetadata metadata = ModelMetadataProviders.Current.GetMetadataForProperty(null, typeof(string), "Length");
TestableRemoteAttribute attribute = new TestableRemoteAttribute("Action", "Controller");
// Act & Assert
Assert.Throws<InvalidOperationException>(
() => new List<ModelClientValidationRule>(attribute.GetClientValidationRules(metadata, context)),
"No url for remote validation could be found.");
}
[Fact]
public void GoodRouteNameReturnsCorrectClientData()
{
// Arrange
string url = null;
ModelMetadata metadata = ModelMetadataProviders.Current.GetMetadataForProperty(null, typeof(string), "Length");
TestableRemoteAttribute attribute = new TestableRemoteAttribute("RouteName");
attribute.RouteTable.Add("RouteName", new Route("my/url", new MvcRouteHandler()));
// Act
ModelClientValidationRule rule = attribute.GetClientValidationRules(metadata, GetMockControllerContext(url)).Single();
// Assert
Assert.Equal("remote", rule.ValidationType);
Assert.Equal("'Length' is invalid.", rule.ErrorMessage);
Assert.Equal(2, rule.ValidationParameters.Count);
Assert.Equal("/my/url", rule.ValidationParameters["url"]);
}
[Fact]
public void ActionControllerReturnsCorrectClientDataWithoutNamedParameters()
{
// Arrange
string url = null;
ModelMetadata metadata = ModelMetadataProviders.Current.GetMetadataForProperty(null, typeof(string), "Length");
TestableRemoteAttribute attribute = new TestableRemoteAttribute("Action", "Controller");
attribute.RouteTable.Add(new Route("{controller}/{action}", new MvcRouteHandler()));
// Act
ModelClientValidationRule rule = attribute.GetClientValidationRules(metadata, GetMockControllerContext(url)).Single();
// Assert
Assert.Equal("remote", rule.ValidationType);
Assert.Equal("'Length' is invalid.", rule.ErrorMessage);
Assert.Equal(2, rule.ValidationParameters.Count);
Assert.Equal("/Controller/Action", rule.ValidationParameters["url"]);
Assert.Equal("*.Length", rule.ValidationParameters["additionalfields"]);
Assert.Throws<KeyNotFoundException>(
() => rule.ValidationParameters["type"],
"The given key was not present in the dictionary.");
}
[Fact]
public void ActionControllerReturnsCorrectClientDataWithNamedParameters()
{
// Arrange
string url = null;
ModelMetadata metadata = ModelMetadataProviders.Current.GetMetadataForProperty(null, typeof(string), "Length");
TestableRemoteAttribute attribute = new TestableRemoteAttribute("Action", "Controller");
attribute.HttpMethod = "POST";
attribute.AdditionalFields = "Password,ConfirmPassword";
attribute.RouteTable.Add(new Route("{controller}/{action}", new MvcRouteHandler()));
// Act
ModelClientValidationRule rule = attribute.GetClientValidationRules(metadata, GetMockControllerContext(url)).Single();
// Assert
Assert.Equal("remote", rule.ValidationType);
Assert.Equal("'Length' is invalid.", rule.ErrorMessage);
Assert.Equal(3, rule.ValidationParameters.Count);
Assert.Equal("/Controller/Action", rule.ValidationParameters["url"]);
Assert.Equal("*.Length,*.Password,*.ConfirmPassword", rule.ValidationParameters["additionalfields"]);
Assert.Equal("POST", rule.ValidationParameters["type"]);
}
private ControllerContext GetMockControllerContext(string url)
{
Mock<ControllerContext> context = new Mock<ControllerContext>();
context.Setup(c => c.HttpContext.Request.ApplicationPath)
.Returns("/");
context.Setup(c => c.HttpContext.Response.ApplyAppPathModifier(It.IsAny<string>()))
.Callback<string>(vpath => url = vpath)
.Returns(() => url);
return context.Object;
}
private class TestableRemoteAttribute : RemoteAttribute
{
public RouteCollection RouteTable = new RouteCollection();
public TestableRemoteAttribute(string action, string controller)
: base(action, controller)
{
}
public TestableRemoteAttribute(string routeName)
: base(routeName)
{
}
protected override RouteCollection Routes
{
get { return RouteTable; }
}
}
}
}
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