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// Copyright (c) Microsoft Corporation. All rights reserved. See License.txt in the project root for license information.
using System.Collections;
using System.Collections.Generic;
using System.IO;
using Moq;
using Xunit;
using Assert = Microsoft.TestCommon.AssertEx;
namespace System.Web.Mvc.Test
{
public class ViewContextTest
{
[Fact]
public void GuardClauses()
{
// Arrange
var controllerContext = new Mock<ControllerContext>().Object;
var view = new Mock<IView>().Object;
var viewData = new ViewDataDictionary();
var tempData = new TempDataDictionary();
var writer = new StringWriter();
// Act & Assert
Assert.ThrowsArgumentNull(
() => new ViewContext(null, view, viewData, tempData, writer),
"controllerContext"
);
Assert.ThrowsArgumentNull(
() => new ViewContext(controllerContext, null, viewData, tempData, writer),
"view"
);
Assert.ThrowsArgumentNull(
() => new ViewContext(controllerContext, view, null, tempData, writer),
"viewData"
);
Assert.ThrowsArgumentNull(
() => new ViewContext(controllerContext, view, viewData, null, writer),
"tempData"
);
Assert.ThrowsArgumentNull(
() => new ViewContext(controllerContext, view, viewData, tempData, null),
"writer"
);
}
[Fact]
public void FormIdGeneratorProperty()
{
// Arrange
var mockHttpContext = new Mock<HttpContextBase>();
mockHttpContext.Setup(o => o.Items).Returns(new Hashtable());
var viewContext = new ViewContext
{
HttpContext = mockHttpContext.Object
};
// Act
string form0Name = viewContext.FormIdGenerator();
string form1Name = viewContext.FormIdGenerator();
string form2Name = viewContext.FormIdGenerator();
// Assert
Assert.Equal("form0", form0Name);
Assert.Equal("form1", form1Name);
Assert.Equal("form2", form2Name);
}
[Fact]
public void PropertiesAreSet()
{
// Arrange
var mockControllerContext = new Mock<ControllerContext>();
mockControllerContext.Setup(o => o.HttpContext.Items).Returns(new Hashtable());
var view = new Mock<IView>().Object;
var viewData = new ViewDataDictionary();
var tempData = new TempDataDictionary();
var writer = new StringWriter();
// Act
ViewContext viewContext = new ViewContext(mockControllerContext.Object, view, viewData, tempData, writer);
// Setting FormContext to null will return the default one later
viewContext.FormContext = null;
// Assert
Assert.Equal(view, viewContext.View);
Assert.Equal(viewData, viewContext.ViewData);
Assert.Equal(tempData, viewContext.TempData);
Assert.Equal(writer, viewContext.Writer);
Assert.False(viewContext.UnobtrusiveJavaScriptEnabled); // Unobtrusive JavaScript should be off by default
Assert.NotNull(viewContext.FormContext); // We get the default FormContext
}
[Fact]
public void ViewContextUsesScopeThunkForInstanceClientValidationFlag()
{
// Arrange
var scope = new Dictionary<object, object>();
var httpContext = new Mock<HttpContextBase>();
var viewContext = new ViewContext { ScopeThunk = () => scope, HttpContext = httpContext.Object };
httpContext.Setup(c => c.Items).Returns(new Hashtable());
// Act & Assert
Assert.False(viewContext.ClientValidationEnabled);
viewContext.ClientValidationEnabled = true;
Assert.True(viewContext.ClientValidationEnabled);
Assert.Equal(true, scope[ViewContext.ClientValidationKeyName]);
viewContext.ClientValidationEnabled = false;
Assert.False(viewContext.ClientValidationEnabled);
Assert.Equal(false, scope[ViewContext.ClientValidationKeyName]);
}
[Fact]
public void ViewContextUsesScopeThunkForInstanceUnobstrusiveJavaScriptFlag()
{
// Arrange
var scope = new Dictionary<object, object>();
var httpContext = new Mock<HttpContextBase>();
var viewContext = new ViewContext { ScopeThunk = () => scope, HttpContext = httpContext.Object };
httpContext.Setup(c => c.Items).Returns(new Hashtable());
// Act & Assert
Assert.False(viewContext.UnobtrusiveJavaScriptEnabled);
viewContext.UnobtrusiveJavaScriptEnabled = true;
Assert.True(viewContext.UnobtrusiveJavaScriptEnabled);
Assert.Equal(true, scope[ViewContext.UnobtrusiveJavaScriptKeyName]);
viewContext.UnobtrusiveJavaScriptEnabled = false;
Assert.False(viewContext.UnobtrusiveJavaScriptEnabled);
Assert.Equal(false, scope[ViewContext.UnobtrusiveJavaScriptKeyName]);
}
[Fact]
public void ViewBagProperty_ReflectsViewData()
{
// Arrange
var mockControllerContext = new Mock<ControllerContext>();
var view = new Mock<IView>().Object;
var viewData = new ViewDataDictionary() { { "A", 1 } };
// Act
ViewContext viewContext = new ViewContext(mockControllerContext.Object, view, viewData, new TempDataDictionary(), new StringWriter());
// Assert
Assert.Equal(1, viewContext.ViewBag.A);
}
[Fact]
public void ViewBagProperty_ReflectsNewViewDataInstance()
{
// Arrange
var mockControllerContext = new Mock<ControllerContext>();
var view = new Mock<IView>().Object;
var viewData = new ViewDataDictionary() { { "A", 1 } };
ViewContext viewContext = new ViewContext(mockControllerContext.Object, view, viewData, new TempDataDictionary(), new StringWriter());
// Act
viewContext.ViewData = new ViewDataDictionary() { { "A", "bar" } };
// Assert
Assert.Equal("bar", viewContext.ViewBag.A);
}
[Fact]
public void ViewBag_PropagatesChangesToViewData()
{
// Arrange
var mockControllerContext = new Mock<ControllerContext>();
var view = new Mock<IView>().Object;
var viewData = new ViewDataDictionary() { { "A", 1 } };
ViewContext viewContext = new ViewContext(mockControllerContext.Object, view, viewData, new TempDataDictionary(), new StringWriter());
// Act
viewContext.ViewBag.A = "foo";
viewContext.ViewBag.B = 2;
// Assert
Assert.Equal("foo", viewContext.ViewData["A"]);
Assert.Equal(2, viewContext.ViewData["B"]);
}
}
}
|
