84 lines
3.8 KiB
C#
84 lines
3.8 KiB
C#
// Copyright (c) .NET Foundation. All rights reserved.
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// Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
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using System.IO;
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using Microsoft.AspNetCore.Http;
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using Microsoft.AspNetCore.Mvc.Abstractions;
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using Microsoft.AspNetCore.Mvc.ModelBinding;
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using Microsoft.AspNetCore.Mvc.ViewEngines;
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using Microsoft.AspNetCore.Mvc.ViewFeatures;
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using Microsoft.AspNetCore.Routing;
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using Moq;
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using Xunit;
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namespace Microsoft.AspNetCore.Mvc.Rendering
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{
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public class ViewContextTests
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{
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[Fact]
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public void SettingViewData_AlsoUpdatesViewBag()
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{
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// Arrange
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var httpContext = new DefaultHttpContext();
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var originalViewData = new ViewDataDictionary(metadataProvider: new EmptyModelMetadataProvider());
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var context = new ViewContext(
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new ActionContext(new DefaultHttpContext(), new RouteData(), new ActionDescriptor()),
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view: Mock.Of<IView>(),
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viewData: originalViewData,
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tempData: new TempDataDictionary(httpContext, Mock.Of<ITempDataProvider>()),
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writer: TextWriter.Null,
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htmlHelperOptions: new HtmlHelperOptions());
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var replacementViewData = new ViewDataDictionary(metadataProvider: new EmptyModelMetadataProvider());
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// Act
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context.ViewBag.Hello = "goodbye";
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context.ViewData = replacementViewData;
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context.ViewBag.Another = "property";
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// Assert
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Assert.NotSame(originalViewData, context.ViewData);
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Assert.Same(replacementViewData, context.ViewData);
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Assert.Null(context.ViewBag.Hello);
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Assert.Equal("property", context.ViewBag.Another);
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Assert.Equal("property", context.ViewData["Another"]);
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}
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[Fact]
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public void CopyConstructor_CopiesExpectedProperties()
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{
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// Arrange
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var httpContext = new DefaultHttpContext();
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var originalContext = new ViewContext(
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new ActionContext(httpContext, new RouteData(), new ActionDescriptor()),
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view: Mock.Of<IView>(),
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viewData: new ViewDataDictionary(metadataProvider: new EmptyModelMetadataProvider()),
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tempData: new TempDataDictionary(httpContext, Mock.Of<ITempDataProvider>()),
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writer: TextWriter.Null,
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htmlHelperOptions: new HtmlHelperOptions());
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var view = Mock.Of<IView>();
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var viewData = new ViewDataDictionary(originalContext.ViewData);
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var writer = new StringWriter();
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// Act
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var context = new ViewContext(originalContext, view, viewData, writer);
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// Assert
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Assert.Same(originalContext.ActionDescriptor, context.ActionDescriptor);
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Assert.Equal(originalContext.ClientValidationEnabled, context.ClientValidationEnabled);
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Assert.Same(originalContext.ExecutingFilePath, context.ExecutingFilePath);
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Assert.Same(originalContext.FormContext, context.FormContext);
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Assert.Equal(originalContext.Html5DateRenderingMode, context.Html5DateRenderingMode);
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Assert.Same(originalContext.HttpContext, context.HttpContext);
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Assert.Same(originalContext.ModelState, context.ModelState);
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Assert.Same(originalContext.RouteData, context.RouteData);
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Assert.Same(originalContext.TempData, context.TempData);
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Assert.Same(originalContext.ValidationMessageElement, context.ValidationMessageElement);
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Assert.Same(originalContext.ValidationSummaryMessageElement, context.ValidationSummaryMessageElement);
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Assert.Same(view, context.View);
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Assert.Same(viewData, context.ViewData);
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Assert.Same(writer, context.Writer);
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}
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}
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}
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