aspnetcore/test/Microsoft.AspNet.Mvc.Core.Test/DefaultActionSelectorTests.cs

379 lines
15 KiB
C#

// Copyright (c) Microsoft Open Technologies, Inc. All rights reserved.
// Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
using Microsoft.AspNet.Http;
using Microsoft.AspNet.Mvc.Routing;
using Microsoft.AspNet.Routing;
using Microsoft.AspNet.Mvc.Logging;
using Microsoft.Framework.Logging;
using Moq;
using Xunit;
namespace Microsoft.AspNet.Mvc
{
public class DefaultActionSelectorTests
{
[Fact]
public async void SelectAsync_NoMatchedActions_LogIsCorrect()
{
// Arrange
var sink = new TestSink();
var loggerFactory = new TestLoggerFactory(sink);
var routeContext = CreateRouteContext("POST");
var actions = new ActionDescriptor[0];
var selector = CreateSelector(actions, loggerFactory);
// Act
var action = await selector.SelectAsync(routeContext);
// Assert
Assert.Equal(1, sink.Scopes.Count);
var scope = sink.Scopes[0];
Assert.Equal(typeof(DefaultActionSelector).FullName, scope.LoggerName);
Assert.Equal("DefaultActionSelector.SelectAsync", scope.Scope);
// There is a record for IsEnabled and one for WriteCore.
Assert.Equal(2, sink.Writes.Count);
var enabled = sink.Writes[0];
Assert.Equal(typeof(DefaultActionSelector).FullName, enabled.LoggerName);
Assert.Equal("DefaultActionSelector.SelectAsync", enabled.Scope);
Assert.Null(enabled.State);
var write = sink.Writes[1];
Assert.Equal(typeof(DefaultActionSelector).FullName, write.LoggerName);
Assert.Equal("DefaultActionSelector.SelectAsync", write.Scope);
var values = Assert.IsType<DefaultActionSelectorSelectAsyncValues>(write.State);
Assert.Equal("DefaultActionSelector.SelectAsync", values.Name);
Assert.Empty(values.ActionsMatchingRouteConstraints);
Assert.Empty(values.ActionsMatchingRouteAndMethodConstraints);
Assert.Empty(values.ActionsMatchingRouteAndMethodAndDynamicConstraints);
Assert.Empty(values.ActionsMatchingWithConstraints);
Assert.Null(values.SelectedAction);
}
[Fact]
public async void SelectAsync_MatchedActions_LogIsCorrect()
{
// Arrange
var sink = new TestSink();
var loggerFactory = new TestLoggerFactory(sink);
var matched = new ActionDescriptor()
{
MethodConstraints = new List<HttpMethodConstraint>()
{
new HttpMethodConstraint(new string[] { "POST" }),
},
Parameters = new List<ParameterDescriptor>(),
};
var notMatched = new ActionDescriptor()
{
Parameters = new List<ParameterDescriptor>(),
};
var actions = new ActionDescriptor[] { matched, notMatched };
var selector = CreateSelector(actions, loggerFactory);
var routeContext = CreateRouteContext("POST");
// Act
var action = await selector.SelectAsync(routeContext);
// Assert
Assert.Equal(1, sink.Scopes.Count);
var scope = sink.Scopes[0];
Assert.Equal(typeof(DefaultActionSelector).FullName, scope.LoggerName);
Assert.Equal("DefaultActionSelector.SelectAsync", scope.Scope);
// There is a record for IsEnabled and one for WriteCore.
Assert.Equal(2, sink.Writes.Count);
var enabled = sink.Writes[0];
Assert.Equal(typeof(DefaultActionSelector).FullName, enabled.LoggerName);
Assert.Equal("DefaultActionSelector.SelectAsync", enabled.Scope);
Assert.Null(enabled.State);
var write = sink.Writes[1];
Assert.Equal(typeof(DefaultActionSelector).FullName, write.LoggerName);
Assert.Equal("DefaultActionSelector.SelectAsync", write.Scope);
var values = Assert.IsType<DefaultActionSelectorSelectAsyncValues>(write.State);
Assert.Equal("DefaultActionSelector.SelectAsync", values.Name);
Assert.NotEmpty(values.ActionsMatchingRouteConstraints);
Assert.NotEmpty(values.ActionsMatchingRouteAndMethodConstraints);
Assert.NotEmpty(values.ActionsMatchingWithConstraints);
Assert.Equal(matched, values.SelectedAction);
}
[Fact]
public void HasValidAction_Match()
{
// Arrange
var actions = GetActions();
var selector = CreateSelector(actions);
var context = CreateContext(new { });
context.ProvidedValues = new RouteValueDictionary(new { controller = "Home", action = "Index" });
// Act
var isValid = selector.HasValidAction(context);
// Assert
Assert.True(isValid);
}
[Fact]
public void HasValidAction_NoMatch()
{
// Arrange
var actions = GetActions();
var selector = CreateSelector(actions);
var context = CreateContext(new { });
context.ProvidedValues = new RouteValueDictionary(new { controller = "Home", action = "FakeAction" });
// Act
var isValid = selector.HasValidAction(context);
// Assert
Assert.False(isValid);
}
[Fact]
public async Task SelectAsync_PrefersActionWithConstraints()
{
// Arrange
var actionWithConstraints = new ActionDescriptor()
{
MethodConstraints = new List<HttpMethodConstraint>()
{
new HttpMethodConstraint(new string[] { "POST" }),
},
Parameters = new List<ParameterDescriptor>(),
};
var actionWithoutConstraints = new ActionDescriptor()
{
Parameters = new List<ParameterDescriptor>(),
};
var actions = new ActionDescriptor[] { actionWithConstraints, actionWithoutConstraints };
var selector = CreateSelector(actions);
var context = CreateRouteContext("POST");
// Act
var action = await selector.SelectAsync(context);
// Assert
Assert.Same(action, actionWithConstraints);
}
[Fact]
public async Task SelectAsync_WithCatchAll_PrefersNonCatchAll()
{
// Arrange
var actions = new ActionDescriptor[]
{
CreateAction(area: null, controller: "Store", action: "Buy"),
CreateAction(area: null, controller: "Store", action: "Buy"),
CreateAction(area: null, controller: "Store", action: "Buy"),
};
actions[0].RouteConstraints.Add(new RouteDataActionConstraint("country", "CA"));
actions[1].RouteConstraints.Add(new RouteDataActionConstraint("country", "US"));
actions[2].RouteConstraints.Add(new RouteDataActionConstraint("country", RouteKeyHandling.CatchAll));
var selector = CreateSelector(actions);
var context = CreateRouteContext("GET");
context.RouteData.Values.Add("controller", "Store");
context.RouteData.Values.Add("action", "Buy");
context.RouteData.Values.Add("country", "CA");
// Act
var action = await selector.SelectAsync(context);
// Assert
Assert.Same(action, actions[0]);
}
[Fact]
public async Task SelectAsync_WithCatchAll_CatchAllIsOnlyMatch()
{
// Arrange
var actions = new ActionDescriptor[]
{
CreateAction(area: null, controller: "Store", action: "Buy"),
CreateAction(area: null, controller: "Store", action: "Buy"),
CreateAction(area: null, controller: "Store", action: "Buy"),
};
actions[0].RouteConstraints.Add(new RouteDataActionConstraint("country", "CA"));
actions[1].RouteConstraints.Add(new RouteDataActionConstraint("country", "US"));
actions[2].RouteConstraints.Add(new RouteDataActionConstraint("country", RouteKeyHandling.CatchAll));
var selector = CreateSelector(actions);
var context = CreateRouteContext("GET");
context.RouteData.Values.Add("controller", "Store");
context.RouteData.Values.Add("action", "Buy");
context.RouteData.Values.Add("country", "DE");
// Act
var action = await selector.SelectAsync(context);
// Assert
Assert.Same(action, actions[2]);
}
[Fact]
public async Task SelectAsync_WithCatchAll_NoMatch()
{
// Arrange
var actions = new ActionDescriptor[]
{
CreateAction(area: null, controller: "Store", action: "Buy"),
CreateAction(area: null, controller: "Store", action: "Buy"),
CreateAction(area: null, controller: "Store", action: "Buy"),
};
actions[0].RouteConstraints.Add(new RouteDataActionConstraint("country", "CA"));
actions[1].RouteConstraints.Add(new RouteDataActionConstraint("country", "US"));
actions[2].RouteConstraints.Add(new RouteDataActionConstraint("country", RouteKeyHandling.CatchAll));
var selector = CreateSelector(actions);
var context = CreateRouteContext("GET");
context.RouteData.Values.Add("controller", "Store");
context.RouteData.Values.Add("action", "Buy");
// Act
var action = await selector.SelectAsync(context);
// Assert
Assert.Null(action);
}
private static ActionDescriptor[] GetActions()
{
return new ActionDescriptor[]
{
// Like a typical RPC controller
CreateAction(area: null, controller: "Home", action: "Index"),
CreateAction(area: null, controller: "Home", action: "Edit"),
// Like a typical REST controller
CreateAction(area: null, controller: "Product", action: null),
CreateAction(area: null, controller: "Product", action: null),
// RPC controller in an area with the same name as home
CreateAction(area: "Admin", controller: "Home", action: "Index"),
CreateAction(area: "Admin", controller: "Home", action: "Diagnostics"),
};
}
private static IEnumerable<ActionDescriptor> GetActions(
IEnumerable<ActionDescriptor> actions,
string area,
string controller,
string action)
{
return
actions
.Where(a => a.RouteConstraints.Any(c => c.RouteKey == "area" && c.Comparer.Equals(c.RouteValue, area)))
.Where(a => a.RouteConstraints.Any(c => c.RouteKey == "controller" && c.Comparer.Equals(c.RouteValue, controller)))
.Where(a => a.RouteConstraints.Any(c => c.RouteKey == "action" && c.Comparer.Equals(c.RouteValue, action)));
}
private static DefaultActionSelector CreateSelector(IReadOnlyList<ActionDescriptor> actions, ILoggerFactory loggerFactory = null)
{
loggerFactory = loggerFactory ?? NullLoggerFactory.Instance;
var actionProvider = new Mock<IActionDescriptorsCollectionProvider>(MockBehavior.Strict);
actionProvider
.Setup(p => p.ActionDescriptors).Returns(new ActionDescriptorsCollection(actions, 0));
var decisionTreeProvider = new ActionSelectorDecisionTreeProvider(actionProvider.Object);
var bindingProvider = new Mock<IActionBindingContextProvider>(MockBehavior.Strict);
bindingProvider
.Setup(bp => bp.GetActionBindingContextAsync(It.IsAny<ActionContext>()))
.Returns(Task.FromResult<ActionBindingContext>(null));
return new DefaultActionSelector(actionProvider.Object, decisionTreeProvider, bindingProvider.Object, loggerFactory);
}
private static VirtualPathContext CreateContext(object routeValues)
{
return CreateContext(routeValues, ambientValues: null);
}
private static VirtualPathContext CreateContext(object routeValues, object ambientValues)
{
return new VirtualPathContext(
new Mock<HttpContext>(MockBehavior.Strict).Object,
new RouteValueDictionary(ambientValues),
new RouteValueDictionary(routeValues));
}
private static RouteContext CreateRouteContext(string httpMethod)
{
var routeData = new RouteData()
{
Values = new Dictionary<string, object>(StringComparer.OrdinalIgnoreCase),
};
routeData.Routers.Add(new Mock<IRouter>(MockBehavior.Strict).Object);
var httpContext = new Mock<HttpContext>(MockBehavior.Strict);
var request = new Mock<HttpRequest>(MockBehavior.Strict);
httpContext.SetupGet(c => c.Request).Returns(request.Object);
request.SetupGet(r => r.Method).Returns(httpMethod);
request.SetupGet(r => r.Path).Returns(new PathString());
return new RouteContext(httpContext.Object)
{
RouteData = routeData,
};
}
private static ActionDescriptor CreateAction(string area, string controller, string action)
{
var actionDescriptor = new ActionDescriptor()
{
Name = string.Format("Area: {0}, Controller: {1}, Action: {2}", area, controller, action),
RouteConstraints = new List<RouteDataActionConstraint>(),
Parameters = new List<ParameterDescriptor>(),
};
actionDescriptor.RouteConstraints.Add(
area == null ?
new RouteDataActionConstraint("area", RouteKeyHandling.DenyKey) :
new RouteDataActionConstraint("area", area));
actionDescriptor.RouteConstraints.Add(
controller == null ?
new RouteDataActionConstraint("controller", RouteKeyHandling.DenyKey) :
new RouteDataActionConstraint("controller", controller));
actionDescriptor.RouteConstraints.Add(
action == null ?
new RouteDataActionConstraint("action", RouteKeyHandling.DenyKey) :
new RouteDataActionConstraint("action", action));
return actionDescriptor;
}
}
}