1194 lines
43 KiB
C#
1194 lines
43 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;
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using System.Collections.Generic;
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using System.Diagnostics;
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using System.IO;
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using System.Threading.Tasks;
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using Microsoft.AspNet.Html;
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using Microsoft.AspNet.Http.Internal;
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using Microsoft.AspNet.Mvc.Abstractions;
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using Microsoft.AspNet.Mvc.ModelBinding;
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using Microsoft.AspNet.Mvc.Rendering;
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using Microsoft.AspNet.Mvc.Routing;
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using Microsoft.AspNet.Mvc.TestCommon;
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using Microsoft.AspNet.Mvc.ViewEngines;
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using Microsoft.AspNet.Mvc.ViewFeatures;
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using Microsoft.AspNet.Mvc.ViewFeatures.Buffer;
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using Microsoft.AspNet.Razor.Runtime.TagHelpers;
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using Microsoft.AspNet.Razor.TagHelpers;
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using Microsoft.AspNet.Routing;
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using Microsoft.AspNet.Testing;
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using Microsoft.Extensions.DependencyInjection;
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using Microsoft.Extensions.WebEncoders.Testing;
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using Moq;
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using Xunit;
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namespace Microsoft.AspNet.Mvc.Razor
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{
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public class RazorPageTest
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{
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private readonly RenderAsyncDelegate _nullRenderAsyncDelegate = writer => Task.FromResult(0);
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private readonly Func<TextWriter, Task> NullAsyncWrite = writer => writer.WriteAsync(string.Empty);
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[Fact]
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public async Task WritingScopesRedirectContentWrittenToViewContextWriter()
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{
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// Arrange
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var viewContext = CreateViewContext();
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var page = CreatePage(v =>
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{
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v.HtmlEncoder = new HtmlTestEncoder();
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v.Write("Hello Prefix");
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v.StartTagHelperWritingScope();
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v.Write("Hello from Output");
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v.ViewContext.Writer.Write("Hello from view context writer");
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var scopeValue = v.EndTagHelperWritingScope();
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v.Write("From Scope: ");
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v.Write(scopeValue);
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});
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// Act
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await page.ExecuteAsync();
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var pageOutput = page.Output.ToString();
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// Assert
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Assert.Equal("HtmlEncode[[Hello Prefix]]HtmlEncode[[From Scope: ]]HtmlEncode[[Hello from Output]]" +
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"Hello from view context writer", pageOutput);
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}
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[Fact]
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public async Task WritingScopesRedirectsContentWrittenToOutput()
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{
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// Arrange
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var viewContext = CreateViewContext();
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var page = CreatePage(v =>
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{
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v.HtmlEncoder = new HtmlTestEncoder();
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v.Write("Hello Prefix");
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v.StartTagHelperWritingScope();
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v.Write("Hello In Scope");
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var scopeValue = v.EndTagHelperWritingScope();
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v.Write("From Scope: ");
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v.Write(scopeValue);
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});
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// Act
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await page.ExecuteAsync();
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var pageOutput = page.Output.ToString();
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// Assert
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Assert.Equal("HtmlEncode[[Hello Prefix]]HtmlEncode[[From Scope: ]]HtmlEncode[[Hello In Scope]]", pageOutput);
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}
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[Fact]
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public async Task WritingScopesCanNest()
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{
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// Arrange
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var viewContext = CreateViewContext();
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var page = CreatePage(v =>
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{
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v.HtmlEncoder = new HtmlTestEncoder();
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v.Write("Hello Prefix");
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v.StartTagHelperWritingScope();
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v.Write("Hello In Scope Pre Nest");
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v.StartTagHelperWritingScope();
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v.Write("Hello In Nested Scope");
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var scopeValue1 = v.EndTagHelperWritingScope();
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v.Write("Hello In Scope Post Nest");
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var scopeValue2 = v.EndTagHelperWritingScope();
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v.Write("From Scopes: ");
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v.Write(scopeValue2);
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v.Write(scopeValue1);
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});
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// Act
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await page.ExecuteAsync();
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var pageOutput = page.Output.ToString();
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// Assert
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Assert.Equal("HtmlEncode[[Hello Prefix]]HtmlEncode[[From Scopes: ]]HtmlEncode[[Hello In Scope Pre Nest]]" +
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"HtmlEncode[[Hello In Scope Post Nest]]HtmlEncode[[Hello In Nested Scope]]", pageOutput);
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}
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[Fact]
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public async Task StartNewWritingScope_CannotFlushInWritingScope()
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{
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// Arrange
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var viewContext = CreateViewContext();
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var page = CreatePage(async v =>
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{
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v.Path = "/Views/TestPath/Test.cshtml";
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v.StartTagHelperWritingScope();
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await v.FlushAsync();
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});
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// Act
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var ex = await Assert.ThrowsAsync<InvalidOperationException>(
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() => page.ExecuteAsync());
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// Assert
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Assert.Equal("The FlushAsync operation cannot be performed while " +
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"inside a writing scope in '/Views/TestPath/Test.cshtml'.", ex.Message);
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}
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[Fact]
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public async Task StartNewWritingScope_CannotEndWritingScopeWhenNoWritingScope()
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{
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// Arrange
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var viewContext = CreateViewContext();
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var page = CreatePage(v =>
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{
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v.EndTagHelperWritingScope();
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});
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// Act
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var ex = await Assert.ThrowsAsync<InvalidOperationException>(
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() => page.ExecuteAsync());
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// Assert
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Assert.Equal("There is no active writing scope to end.", ex.Message);
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}
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[Fact]
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public async Task EndTagHelperWritingScope_ReturnsAppropriateContent()
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{
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// Arrange
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var viewContext = CreateViewContext();
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// Act
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var page = CreatePage(v =>
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{
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v.HtmlEncoder = new HtmlTestEncoder();
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v.StartTagHelperWritingScope();
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v.Write("Hello World!");
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var returnValue = v.EndTagHelperWritingScope();
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// Assert
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var content = Assert.IsType<DefaultTagHelperContent>(returnValue);
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Assert.Equal("HtmlEncode[[Hello World!]]", content.GetContent());
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});
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await page.ExecuteAsync();
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}
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[Fact]
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public async Task DefineSection_ThrowsIfSectionIsAlreadyDefined()
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{
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// Arrange
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var viewContext = CreateViewContext();
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var page = CreatePage(v =>
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{
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v.DefineSection("qux", _nullRenderAsyncDelegate);
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v.DefineSection("qux", _nullRenderAsyncDelegate);
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});
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// Act
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var ex = await Assert.ThrowsAsync<InvalidOperationException>(
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() => page.ExecuteAsync());
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// Assert
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Assert.Equal("Section 'qux' is already defined.", ex.Message);
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}
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[Fact]
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public async Task RenderSection_RendersSectionFromPreviousPage()
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{
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// Arrange
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var expected = "Hello world";
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var viewContext = CreateViewContext();
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var page = CreatePage(v =>
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{
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v.Write(v.RenderSection("bar"));
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});
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page.PreviousSectionWriters = new Dictionary<string, RenderAsyncDelegate>
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{
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{ "bar", writer => writer.WriteAsync(expected) }
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};
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// Act
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await page.ExecuteAsync();
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// Assert
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Assert.Equal(expected, page.RenderedContent);
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}
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[Fact]
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public async Task RenderSection_ThrowsIfPreviousSectionWritersIsNotSet()
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{
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// Arrange
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Exception ex = null;
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var page = CreatePage(v =>
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{
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v.Path = "/Views/TestPath/Test.cshtml";
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ex = Assert.Throws<InvalidOperationException>(() => v.RenderSection("bar"));
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});
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// Act
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await page.ExecuteAsync();
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// Assert
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Assert.Equal("RenderSection invocation in '/Views/TestPath/Test.cshtml' is invalid. " +
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"RenderSection can only be called from a layout page.",
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ex.Message);
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}
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[Fact]
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public async Task RenderSection_ThrowsIfRequiredSectionIsNotFound()
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{
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// Arrange
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var page = CreatePage(v =>
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{
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v.Path = "/Views/TestPath/Test.cshtml";
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v.RenderSection("bar");
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});
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page.PreviousSectionWriters = new Dictionary<string, RenderAsyncDelegate>
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{
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{ "baz", _nullRenderAsyncDelegate }
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};
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// Act
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var ex = await Assert.ThrowsAsync<InvalidOperationException>(() => page.ExecuteAsync());
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// Assert
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Assert.Equal("Section 'bar' is not defined in path '/Views/TestPath/Test.cshtml'.", ex.Message);
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}
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[Fact]
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public void IsSectionDefined_ThrowsIfPreviousSectionWritersIsNotRegistered()
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{
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// Arrange
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var page = CreatePage(v =>
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{
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v.Path = "/Views/TestPath/Test.cshtml";
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});
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// Act and Assert
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page.ExecuteAsync();
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ExceptionAssert.Throws<InvalidOperationException>(() => page.IsSectionDefined("foo"),
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"IsSectionDefined invocation in '/Views/TestPath/Test.cshtml' is invalid." +
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" IsSectionDefined can only be called from a layout page.");
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}
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[Fact]
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public async Task IsSectionDefined_ReturnsFalseIfSectionNotDefined()
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{
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// Arrange
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bool? actual = null;
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var page = CreatePage(v =>
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{
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actual = v.IsSectionDefined("foo");
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v.RenderSection("baz");
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v.RenderBodyPublic();
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});
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page.PreviousSectionWriters = new Dictionary<string, RenderAsyncDelegate>
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{
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{ "baz", _nullRenderAsyncDelegate }
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};
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page.BodyContent = new HtmlString("body-content");
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// Act
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await page.ExecuteAsync();
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// Assert
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Assert.Equal(false, actual);
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}
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[Fact]
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public async Task IsSectionDefined_ReturnsTrueIfSectionDefined()
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{
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// Arrange
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bool? actual = null;
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var page = CreatePage(v =>
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{
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actual = v.IsSectionDefined("baz");
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v.RenderSection("baz");
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v.RenderBodyPublic();
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});
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page.PreviousSectionWriters = new Dictionary<string, RenderAsyncDelegate>
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{
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{ "baz", _nullRenderAsyncDelegate }
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};
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page.BodyContent = new HtmlString("body-content");
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// Act
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await page.ExecuteAsync();
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// Assert
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Assert.Equal(true, actual);
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}
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[Fact]
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public async Task RenderSection_ThrowsIfSectionIsRenderedMoreThanOnce()
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{
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// Arrange
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var expected = new HelperResult(NullAsyncWrite);
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var page = CreatePage(v =>
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{
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v.Path = "/Views/TestPath/Test.cshtml";
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v.RenderSection("header");
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v.RenderSection("header");
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});
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page.PreviousSectionWriters = new Dictionary<string, RenderAsyncDelegate>
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{
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{ "header", _nullRenderAsyncDelegate }
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};
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// Act
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var ex = await Assert.ThrowsAsync<InvalidOperationException>(page.ExecuteAsync);
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// Assert
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Assert.Equal("RenderSectionAsync invocation in '/Views/TestPath/Test.cshtml' is invalid." +
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" The section 'header' has already been rendered.", ex.Message);
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}
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[Fact]
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public async Task RenderSectionAsync_ThrowsIfSectionIsRenderedMoreThanOnce()
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{
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// Arrange
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var expected = new HelperResult(NullAsyncWrite);
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var page = CreatePage(async v =>
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{
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v.Path = "/Views/TestPath/Test.cshtml";
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await v.RenderSectionAsync("header");
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await v.RenderSectionAsync("header");
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});
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page.PreviousSectionWriters = new Dictionary<string, RenderAsyncDelegate>
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{
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{ "header", _nullRenderAsyncDelegate }
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};
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// Act
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var ex = await Assert.ThrowsAsync<InvalidOperationException>(page.ExecuteAsync);
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// Assert
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Assert.Equal("RenderSectionAsync invocation in '/Views/TestPath/Test.cshtml' is invalid." +
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" The section 'header' has already been rendered.", ex.Message);
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}
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[Fact]
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public async Task RenderSectionAsync_ThrowsIfSectionIsRenderedMoreThanOnce_WithSyncMethod()
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{
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// Arrange
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var expected = new HelperResult(NullAsyncWrite);
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var page = CreatePage(async v =>
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{
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v.Path = "/Views/TestPath/Test.cshtml";
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v.RenderSection("header");
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await v.RenderSectionAsync("header");
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});
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page.PreviousSectionWriters = new Dictionary<string, RenderAsyncDelegate>
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{
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{ "header", _nullRenderAsyncDelegate }
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};
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// Act
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var ex = await Assert.ThrowsAsync<InvalidOperationException>(page.ExecuteAsync);
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// Assert
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Assert.Equal("RenderSectionAsync invocation in '/Views/TestPath/Test.cshtml' is invalid." +
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" The section 'header' has already been rendered.", ex.Message);
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}
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[Fact]
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public async Task RenderSectionAsync_ThrowsIfNotInvokedFromLayoutPage()
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{
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// Arrange
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var expected = new HelperResult(NullAsyncWrite);
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var page = CreatePage(async v =>
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{
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v.Path = "/Views/TestPath/Test.cshtml";
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await v.RenderSectionAsync("header");
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});
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// Act
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var ex = await Assert.ThrowsAsync<InvalidOperationException>(page.ExecuteAsync);
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// Assert
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Assert.Equal("RenderSectionAsync invocation in '/Views/TestPath/Test.cshtml' is invalid. " +
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"RenderSectionAsync can only be called from a layout page.", ex.Message);
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}
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[Fact]
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public async Task EnsureRenderedBodyOrSections_ThrowsIfRenderBodyIsNotCalledFromPage_AndNoSectionsAreDefined()
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{
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// Arrange
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var path = "page-path";
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var page = CreatePage(v =>
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{
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});
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page.Path = path;
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page.BodyContent = new HtmlString("some content");
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// Act
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await page.ExecuteAsync();
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var ex = Assert.Throws<InvalidOperationException>(() => page.EnsureRenderedBodyOrSections());
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// Assert
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Assert.Equal($"RenderBody has not been called for the page at '{path}'.", ex.Message);
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}
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[Fact]
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public async Task EnsureRenderedBodyOrSections_ThrowsIfDefinedSectionsAreNotRendered()
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{
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// Arrange
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var path = "page-path";
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var sectionName = "sectionA";
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var page = CreatePage(v =>
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{
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});
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page.Path = path;
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page.BodyContent = new HtmlString("some content");
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page.PreviousSectionWriters = new Dictionary<string, RenderAsyncDelegate>
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{
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{ sectionName, _nullRenderAsyncDelegate }
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};
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// Act
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await page.ExecuteAsync();
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var ex = Assert.Throws<InvalidOperationException>(() => page.EnsureRenderedBodyOrSections());
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// Assert
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Assert.Equal("The following sections have been defined but have not been rendered by the page at " +
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$"'{path}': '{sectionName}'.", ex.Message);
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}
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[Fact]
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public async Task EnsureRenderedBodyOrSections_SucceedsIfRenderBodyIsNotCalled_ButAllDefinedSectionsAreRendered()
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{
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// Arrange
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var sectionA = "sectionA";
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var sectionB = "sectionB";
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var page = CreatePage(v =>
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{
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v.RenderSection(sectionA);
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v.RenderSection(sectionB);
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});
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page.BodyContent = new HtmlString("some content");
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page.PreviousSectionWriters = new Dictionary<string, RenderAsyncDelegate>
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{
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{ sectionA, _nullRenderAsyncDelegate },
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{ sectionB, _nullRenderAsyncDelegate },
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};
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// Act and Assert
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await page.ExecuteAsync();
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page.EnsureRenderedBodyOrSections();
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}
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[Fact]
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public async Task ExecuteAsync_RendersSectionsAndBody()
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{
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// Arrange
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var expected = string.Join(Environment.NewLine,
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"Layout start",
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"Header section",
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"Async Header section",
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"body content",
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"Async Footer section",
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"Footer section",
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"Layout end");
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var page = CreatePage(async v =>
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{
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v.WriteLiteral("Layout start" + Environment.NewLine);
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v.Write(v.RenderSection("header"));
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v.Write(await v.RenderSectionAsync("async-header"));
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v.Write(v.RenderBodyPublic());
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v.Write(await v.RenderSectionAsync("async-footer"));
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v.Write(v.RenderSection("footer"));
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v.WriteLiteral("Layout end");
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});
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page.BodyContent = new HtmlString("body content" + Environment.NewLine);
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page.PreviousSectionWriters = new Dictionary<string, RenderAsyncDelegate>
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{
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{
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"footer", writer => writer.WriteLineAsync("Footer section")
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},
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{
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"header", writer => writer.WriteLineAsync("Header section")
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},
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{
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"async-header", writer => writer.WriteLineAsync("Async Header section")
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},
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{
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"async-footer", writer => writer.WriteLineAsync("Async Footer section")
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},
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};
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// Act
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await page.ExecuteAsync();
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// Assert
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var actual = page.RenderedContent;
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Assert.Equal(expected, actual);
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}
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[Fact]
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public async Task Href_ReadsUrlHelperFromServiceCollection()
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{
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// Arrange
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var expected = "urlhelper-url";
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var helper = new Mock<IUrlHelper>();
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helper
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.Setup(h => h.Content("url"))
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.Returns(expected)
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.Verifiable();
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var factory = new Mock<IUrlHelperFactory>();
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factory
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.Setup(f => f.GetUrlHelper(It.IsAny<ActionContext>()))
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.Returns(helper.Object);
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var page = CreatePage(v =>
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{
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v.HtmlEncoder = new HtmlTestEncoder();
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v.Write(v.Href("url"));
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});
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var services = new Mock<IServiceProvider>();
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services.Setup(s => s.GetService(typeof(IUrlHelperFactory)))
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.Returns(factory.Object);
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page.Context.RequestServices = services.Object;
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// Act
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await page.ExecuteAsync();
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// Assert
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var actual = page.RenderedContent;
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Assert.Equal($"HtmlEncode[[{expected}]]", actual);
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helper.Verify();
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}
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[Fact]
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|
public async Task FlushAsync_InvokesFlushOnWriter()
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{
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// Arrange
|
|
var writer = new Mock<TextWriter>();
|
|
var context = CreateViewContext(writer.Object);
|
|
var page = CreatePage(async p =>
|
|
{
|
|
await p.FlushAsync();
|
|
}, context);
|
|
|
|
// Act
|
|
await page.ExecuteAsync();
|
|
|
|
// Assert
|
|
writer.Verify(v => v.FlushAsync(), Times.Once());
|
|
}
|
|
|
|
[Fact]
|
|
public async Task FlushAsync_ThrowsIfTheLayoutHasBeenSet()
|
|
{
|
|
// Arrange
|
|
var expected = "Layout page '/Views/TestPath/Test.cshtml' cannot be rendered" +
|
|
" after 'FlushAsync' has been invoked.";
|
|
var writer = new Mock<TextWriter>();
|
|
var context = CreateViewContext(writer.Object);
|
|
var page = CreatePage(async p =>
|
|
{
|
|
p.Path = "/Views/TestPath/Test.cshtml";
|
|
p.Layout = "foo";
|
|
await p.FlushAsync();
|
|
}, context);
|
|
|
|
// Act and Assert
|
|
var ex = await Assert.ThrowsAsync<InvalidOperationException>(() => page.ExecuteAsync());
|
|
Assert.Equal(expected, ex.Message);
|
|
}
|
|
|
|
[Fact]
|
|
public async Task FlushAsync_DoesNotThrowWhenIsRenderingLayoutIsSet()
|
|
{
|
|
// Arrange
|
|
var writer = new Mock<TextWriter>();
|
|
var context = CreateViewContext(writer.Object);
|
|
var page = CreatePage(p =>
|
|
{
|
|
p.Layout = "bar";
|
|
p.DefineSection("test-section", async _ =>
|
|
{
|
|
await p.FlushAsync();
|
|
});
|
|
}, context);
|
|
|
|
// Act
|
|
await page.ExecuteAsync();
|
|
page.IsLayoutBeingRendered = true;
|
|
|
|
// Assert (does not throw)
|
|
var renderAsyncDelegate = page.SectionWriters["test-section"];
|
|
await renderAsyncDelegate(TextWriter.Null);
|
|
}
|
|
|
|
[Fact]
|
|
public async Task FlushAsync_ReturnsEmptyHtmlString()
|
|
{
|
|
// Arrange
|
|
HtmlString actual = null;
|
|
var writer = new Mock<TextWriter>();
|
|
var context = CreateViewContext(writer.Object);
|
|
var page = CreatePage(async p =>
|
|
{
|
|
actual = await p.FlushAsync();
|
|
}, context);
|
|
|
|
// Act
|
|
await page.ExecuteAsync();
|
|
|
|
// Assert
|
|
Assert.Same(HtmlString.Empty, actual);
|
|
}
|
|
|
|
[Fact]
|
|
public async Task WriteAttribute_WritesBeginAndEndEvents_ToDiagnosticSource()
|
|
{
|
|
// Arrange
|
|
var path = "path-to-page";
|
|
var page = CreatePage(p =>
|
|
{
|
|
p.HtmlEncoder = new HtmlTestEncoder();
|
|
p.BeginWriteAttribute("href", "prefix", 0, "suffix", 34, 2);
|
|
p.WriteAttributeValue("prefix", 0, "attr1-value", 8, 14, true);
|
|
p.WriteAttributeValue("prefix2", 22, "attr2", 29, 5, false);
|
|
p.EndWriteAttribute();
|
|
});
|
|
page.Path = path;
|
|
var adapter = new TestDiagnosticListener();
|
|
var diagnosticListener = new DiagnosticListener("Microsoft.AspNet.Mvc.Razor");
|
|
diagnosticListener.SubscribeWithAdapter(adapter);
|
|
page.DiagnosticSource = diagnosticListener;
|
|
|
|
// Act
|
|
await page.ExecuteAsync();
|
|
|
|
// Assert
|
|
Func<object, TestDiagnosticListener.BeginPageInstrumentationData> assertStartEvent = data =>
|
|
{
|
|
var beginEvent = Assert.IsType<TestDiagnosticListener.BeginPageInstrumentationData>(data);
|
|
Assert.NotNull(beginEvent.HttpContext);
|
|
Assert.Equal(path, beginEvent.Path);
|
|
|
|
return beginEvent;
|
|
};
|
|
|
|
Action<object> assertEndEvent = data =>
|
|
{
|
|
var endEvent = Assert.IsType<TestDiagnosticListener.EndPageInstrumentationData>(data);
|
|
Assert.NotNull(endEvent.HttpContext);
|
|
Assert.Equal(path, endEvent.Path);
|
|
};
|
|
|
|
Assert.Collection(adapter.PageInstrumentationData,
|
|
data =>
|
|
{
|
|
var beginEvent = assertStartEvent(data);
|
|
Assert.Equal(0, beginEvent.Position);
|
|
Assert.Equal(6, beginEvent.Length);
|
|
Assert.True(beginEvent.IsLiteral);
|
|
},
|
|
assertEndEvent,
|
|
data =>
|
|
{
|
|
var beginEvent = assertStartEvent(data);
|
|
Assert.Equal(0, beginEvent.Position);
|
|
Assert.Equal(6, beginEvent.Length);
|
|
Assert.True(beginEvent.IsLiteral);
|
|
},
|
|
assertEndEvent,
|
|
data =>
|
|
{
|
|
var beginEvent = assertStartEvent(data);
|
|
Assert.Equal(8, beginEvent.Position);
|
|
Assert.Equal(14, beginEvent.Length);
|
|
Assert.True(beginEvent.IsLiteral);
|
|
},
|
|
assertEndEvent,
|
|
data =>
|
|
{
|
|
var beginEvent = assertStartEvent(data);
|
|
Assert.Equal(22, beginEvent.Position);
|
|
Assert.Equal(7, beginEvent.Length);
|
|
Assert.True(beginEvent.IsLiteral);
|
|
},
|
|
assertEndEvent,
|
|
data =>
|
|
{
|
|
var beginEvent = assertStartEvent(data);
|
|
Assert.Equal(29, beginEvent.Position);
|
|
Assert.Equal(5, beginEvent.Length);
|
|
Assert.False(beginEvent.IsLiteral);
|
|
},
|
|
assertEndEvent,
|
|
data =>
|
|
{
|
|
var beginEvent = assertStartEvent(data);
|
|
Assert.Equal(34, beginEvent.Position);
|
|
Assert.Equal(6, beginEvent.Length);
|
|
Assert.True(beginEvent.IsLiteral);
|
|
},
|
|
assertEndEvent);
|
|
}
|
|
|
|
[Fact]
|
|
public async Task WriteAttribute_WithBoolValue_WritesBeginAndEndEvents_ToDiagnosticSource()
|
|
{
|
|
// Arrange
|
|
var path = "some-path";
|
|
var page = CreatePage(p =>
|
|
{
|
|
p.HtmlEncoder = new HtmlTestEncoder();
|
|
p.BeginWriteAttribute("href", "prefix", 0, "suffix", 10, 1);
|
|
p.WriteAttributeValue("", 6, "true", 6, 4, false);
|
|
p.EndWriteAttribute();
|
|
});
|
|
page.Path = path;
|
|
var adapter = new TestDiagnosticListener();
|
|
var diagnosticListener = new DiagnosticListener("Microsoft.AspNet.Mvc.Razor");
|
|
diagnosticListener.SubscribeWithAdapter(adapter);
|
|
page.DiagnosticSource = diagnosticListener;
|
|
|
|
// Act
|
|
await page.ExecuteAsync();
|
|
|
|
// Assert
|
|
Func<object, TestDiagnosticListener.BeginPageInstrumentationData> assertStartEvent = data =>
|
|
{
|
|
var beginEvent = Assert.IsType<TestDiagnosticListener.BeginPageInstrumentationData>(data);
|
|
Assert.NotNull(beginEvent.HttpContext);
|
|
Assert.Equal(path, beginEvent.Path);
|
|
|
|
return beginEvent;
|
|
};
|
|
|
|
Action<object> assertEndEvent = data =>
|
|
{
|
|
var endEvent = Assert.IsType<TestDiagnosticListener.EndPageInstrumentationData>(data);
|
|
Assert.NotNull(endEvent.HttpContext);
|
|
Assert.Equal(path, endEvent.Path);
|
|
};
|
|
|
|
Assert.Collection(adapter.PageInstrumentationData,
|
|
data =>
|
|
{
|
|
var beginEvent = assertStartEvent(data);
|
|
Assert.Equal(0, beginEvent.Position);
|
|
Assert.Equal(6, beginEvent.Length);
|
|
Assert.True(beginEvent.IsLiteral);
|
|
},
|
|
assertEndEvent,
|
|
data =>
|
|
{
|
|
var beginEvent = assertStartEvent(data);
|
|
Assert.Equal(6, beginEvent.Position);
|
|
Assert.Equal(4, beginEvent.Length);
|
|
Assert.False(beginEvent.IsLiteral);
|
|
},
|
|
assertEndEvent,
|
|
data =>
|
|
{
|
|
var beginEvent = assertStartEvent(data);
|
|
Assert.Equal(10, beginEvent.Position);
|
|
Assert.Equal(6, beginEvent.Length);
|
|
Assert.True(beginEvent.IsLiteral);
|
|
},
|
|
assertEndEvent);
|
|
}
|
|
|
|
[Fact]
|
|
public async Task WriteAttribute_WritesBeginAndEndEvents_ToDiagnosticSource_OnPrefixAndSuffixValues()
|
|
{
|
|
// Arrange
|
|
var path = "some-path";
|
|
var page = CreatePage(p =>
|
|
{
|
|
p.BeginWriteAttribute("href", "prefix", 0, "tail", 7, 0);
|
|
p.EndWriteAttribute();
|
|
});
|
|
page.Path = path;
|
|
var adapter = new TestDiagnosticListener();
|
|
var diagnosticListener = new DiagnosticListener("Microsoft.AspNet.Mvc.Razor");
|
|
diagnosticListener.SubscribeWithAdapter(adapter);
|
|
page.DiagnosticSource = diagnosticListener;
|
|
|
|
// Act
|
|
await page.ExecuteAsync();
|
|
|
|
// Assert
|
|
Func<object, TestDiagnosticListener.BeginPageInstrumentationData> assertStartEvent = data =>
|
|
{
|
|
var beginEvent = Assert.IsType<TestDiagnosticListener.BeginPageInstrumentationData>(data);
|
|
Assert.NotNull(beginEvent.HttpContext);
|
|
Assert.Equal(path, beginEvent.Path);
|
|
|
|
return beginEvent;
|
|
};
|
|
|
|
Action<object> assertEndEvent = data =>
|
|
{
|
|
var endEvent = Assert.IsType<TestDiagnosticListener.EndPageInstrumentationData>(data);
|
|
Assert.NotNull(endEvent.HttpContext);
|
|
Assert.Equal(path, endEvent.Path);
|
|
};
|
|
|
|
Assert.Collection(adapter.PageInstrumentationData,
|
|
data =>
|
|
{
|
|
var beginEvent = assertStartEvent(data);
|
|
Assert.Equal(0, beginEvent.Position);
|
|
Assert.Equal(6, beginEvent.Length);
|
|
Assert.True(beginEvent.IsLiteral);
|
|
},
|
|
assertEndEvent,
|
|
data =>
|
|
{
|
|
var beginEvent = assertStartEvent(data);
|
|
Assert.Equal(7, beginEvent.Position);
|
|
Assert.Equal(4, beginEvent.Length);
|
|
Assert.True(beginEvent.IsLiteral);
|
|
},
|
|
assertEndEvent);
|
|
}
|
|
|
|
public static TheoryData AddHtmlAttributeValues_ValueData
|
|
{
|
|
get
|
|
{
|
|
// attributeValues, expectedValue
|
|
return new TheoryData<Tuple<string, int, object, int, bool>[], string>
|
|
{
|
|
{
|
|
new []
|
|
{
|
|
Tuple.Create(string.Empty, 9, (object)"Hello", 9, true),
|
|
},
|
|
"Hello"
|
|
},
|
|
{
|
|
new []
|
|
{
|
|
Tuple.Create(" ", 9, (object)"Hello", 10, true)
|
|
},
|
|
" Hello"
|
|
},
|
|
{
|
|
|
|
new []
|
|
{
|
|
Tuple.Create(" ", 9, (object)null, 10, false)
|
|
},
|
|
string.Empty
|
|
},
|
|
{
|
|
new []
|
|
{
|
|
Tuple.Create(" ", 9, (object)false, 10, false)
|
|
},
|
|
" HtmlEncode[[False]]"
|
|
},
|
|
{
|
|
new []
|
|
{
|
|
Tuple.Create(" ", 9, (object)true, 11, false),
|
|
Tuple.Create(" ", 9, (object)"abcd", 17, true)
|
|
},
|
|
" HtmlEncode[[True]] abcd"
|
|
},
|
|
{
|
|
new []
|
|
{
|
|
Tuple.Create(string.Empty, 9, (object)"prefix", 9, true),
|
|
Tuple.Create(" ", 15, (object)null, 17, false),
|
|
Tuple.Create(" ", 21, (object)"suffix", 22, false),
|
|
},
|
|
"prefix HtmlEncode[[suffix]]"
|
|
},
|
|
};
|
|
}
|
|
}
|
|
|
|
[Theory]
|
|
[MemberData(nameof(AddHtmlAttributeValues_ValueData))]
|
|
public void AddHtmlAttributeValues_AddsToHtmlAttributesAsExpected(
|
|
Tuple<string, int, object, int, bool>[] attributeValues,
|
|
string expectedValue)
|
|
{
|
|
// Arrange
|
|
var page = CreatePage(p => { });
|
|
page.HtmlEncoder = new HtmlTestEncoder();
|
|
var executionContext = new TagHelperExecutionContext(
|
|
"p",
|
|
tagMode: TagMode.StartTagAndEndTag,
|
|
items: new Dictionary<object, object>(),
|
|
uniqueId: string.Empty,
|
|
executeChildContentAsync: () => Task.FromResult(result: true),
|
|
startTagHelperWritingScope: () => { },
|
|
endTagHelperWritingScope: () => new DefaultTagHelperContent());
|
|
|
|
// Act
|
|
page.BeginAddHtmlAttributeValues(executionContext, "someattr", attributeValues.Length);
|
|
foreach (var value in attributeValues)
|
|
{
|
|
page.AddHtmlAttributeValue(value.Item1, value.Item2, value.Item3, value.Item4, 0, value.Item5);
|
|
}
|
|
page.EndAddHtmlAttributeValues(executionContext);
|
|
|
|
// Assert
|
|
var htmlAttribute = Assert.Single(executionContext.HTMLAttributes);
|
|
Assert.Equal("someattr", htmlAttribute.Name, StringComparer.Ordinal);
|
|
var htmlContent = Assert.IsAssignableFrom<IHtmlContent>(htmlAttribute.Value);
|
|
Assert.Equal(expectedValue, HtmlContentUtilities.HtmlContentToString(htmlContent), StringComparer.Ordinal);
|
|
Assert.False(htmlAttribute.Minimized);
|
|
|
|
var allAttribute = Assert.Single(executionContext.AllAttributes);
|
|
Assert.Equal("someattr", allAttribute.Name, StringComparer.Ordinal);
|
|
htmlContent = Assert.IsAssignableFrom<IHtmlContent>(allAttribute.Value);
|
|
Assert.Equal(expectedValue, HtmlContentUtilities.HtmlContentToString(htmlContent), StringComparer.Ordinal);
|
|
Assert.False(allAttribute.Minimized);
|
|
}
|
|
|
|
[Theory]
|
|
[InlineData(null, "")]
|
|
[InlineData(false, "False")]
|
|
public void AddHtmlAttributeValues_OnlyAddsToAllAttributesWhenAttributeRemoved(
|
|
object attributeValue,
|
|
string expectedValue)
|
|
{
|
|
// Arrange
|
|
var page = CreatePage(p => { });
|
|
page.HtmlEncoder = new HtmlTestEncoder();
|
|
var executionContext = new TagHelperExecutionContext(
|
|
"p",
|
|
tagMode: TagMode.StartTagAndEndTag,
|
|
items: new Dictionary<object, object>(),
|
|
uniqueId: string.Empty,
|
|
executeChildContentAsync: () => Task.FromResult(result: true),
|
|
startTagHelperWritingScope: () => { },
|
|
endTagHelperWritingScope: () => new DefaultTagHelperContent());
|
|
|
|
// Act
|
|
page.BeginAddHtmlAttributeValues(executionContext, "someattr", 1);
|
|
page.AddHtmlAttributeValue(string.Empty, 9, attributeValue, 9, valueLength: 0, isLiteral: false);
|
|
page.EndAddHtmlAttributeValues(executionContext);
|
|
|
|
// Assert
|
|
Assert.Empty(executionContext.HTMLAttributes);
|
|
var attribute = Assert.Single(executionContext.AllAttributes);
|
|
Assert.Equal("someattr", attribute.Name, StringComparer.Ordinal);
|
|
Assert.Equal(expectedValue, (string)attribute.Value, StringComparer.Ordinal);
|
|
Assert.False(attribute.Minimized);
|
|
}
|
|
|
|
[Fact]
|
|
public void AddHtmlAttributeValues_AddsAttributeNameAsValueWhenValueIsUnprefixedTrue()
|
|
{
|
|
// Arrange
|
|
var page = CreatePage(p => { });
|
|
page.HtmlEncoder = new HtmlTestEncoder();
|
|
var executionContext = new TagHelperExecutionContext(
|
|
"p",
|
|
tagMode: TagMode.StartTagAndEndTag,
|
|
items: new Dictionary<object, object>(),
|
|
uniqueId: string.Empty,
|
|
executeChildContentAsync: () => Task.FromResult(result: true),
|
|
startTagHelperWritingScope: () => { },
|
|
endTagHelperWritingScope: () => new DefaultTagHelperContent());
|
|
|
|
// Act
|
|
page.BeginAddHtmlAttributeValues(executionContext, "someattr", 1);
|
|
page.AddHtmlAttributeValue(string.Empty, 9, true, 9, valueLength: 0, isLiteral: false);
|
|
page.EndAddHtmlAttributeValues(executionContext);
|
|
|
|
// Assert
|
|
var htmlAttribute = Assert.Single(executionContext.HTMLAttributes);
|
|
Assert.Equal("someattr", htmlAttribute.Name, StringComparer.Ordinal);
|
|
Assert.Equal("someattr", (string)htmlAttribute.Value, StringComparer.Ordinal);
|
|
Assert.False(htmlAttribute.Minimized);
|
|
var allAttribute = Assert.Single(executionContext.AllAttributes);
|
|
Assert.Equal("someattr", allAttribute.Name, StringComparer.Ordinal);
|
|
Assert.Equal("someattr", (string)allAttribute.Value, StringComparer.Ordinal);
|
|
Assert.False(allAttribute.Minimized);
|
|
}
|
|
|
|
public static TheoryData WriteAttributeData
|
|
{
|
|
get
|
|
{
|
|
// AttributeValues, ExpectedOutput
|
|
return new TheoryData<Tuple<string, int, object, int, bool>[], string>
|
|
{
|
|
{
|
|
new[]
|
|
{
|
|
Tuple.Create(string.Empty, 9, (object)true, 9, false),
|
|
},
|
|
"someattr=HtmlEncode[[someattr]]"
|
|
},
|
|
{
|
|
new[]
|
|
{
|
|
Tuple.Create(string.Empty, 9, (object)false, 9, false),
|
|
},
|
|
string.Empty
|
|
},
|
|
{
|
|
new[]
|
|
{
|
|
Tuple.Create(string.Empty, 9, (object)null, 9, false),
|
|
},
|
|
string.Empty
|
|
},
|
|
{
|
|
new[]
|
|
{
|
|
Tuple.Create(" ", 9, (object)false, 11, false),
|
|
},
|
|
"someattr= HtmlEncode[[False]]"
|
|
},
|
|
{
|
|
new[]
|
|
{
|
|
Tuple.Create(" ", 9, (object)null, 11, false),
|
|
},
|
|
"someattr="
|
|
},
|
|
{
|
|
new[]
|
|
{
|
|
Tuple.Create(" ", 9, (object)true, 11, false),
|
|
Tuple.Create(" ", 15, (object)"abcd", 17, true),
|
|
},
|
|
"someattr= HtmlEncode[[True]] abcd"
|
|
},
|
|
};
|
|
}
|
|
}
|
|
|
|
[Theory]
|
|
[MemberData(nameof(WriteAttributeData))]
|
|
public void WriteAttributeTo_WritesAsExpected(
|
|
Tuple<string, int, object, int, bool>[] attributeValues,
|
|
string expectedOutput)
|
|
{
|
|
// Arrange
|
|
var page = CreatePage(p => { });
|
|
page.HtmlEncoder = new HtmlTestEncoder();
|
|
var writer = new StringWriter();
|
|
var prefix = "someattr=";
|
|
var suffix = string.Empty;
|
|
|
|
// Act
|
|
page.BeginWriteAttributeTo(writer, "someattr", prefix, 0, suffix, 0, attributeValues.Length);
|
|
foreach (var value in attributeValues)
|
|
{
|
|
page.WriteAttributeValueTo(
|
|
writer,
|
|
value.Item1,
|
|
value.Item2,
|
|
value.Item3,
|
|
value.Item4,
|
|
value.Item3?.ToString().Length ?? 0,
|
|
value.Item5);
|
|
}
|
|
page.EndWriteAttributeTo(writer);
|
|
|
|
// Assert
|
|
Assert.Equal(expectedOutput, writer.ToString());
|
|
}
|
|
|
|
[Fact]
|
|
public async Task Write_WithHtmlString_WritesValueWithoutEncoding()
|
|
{
|
|
// Arrange
|
|
var buffer = new ViewBuffer(new TestViewBufferScope(), string.Empty);
|
|
var writer = new RazorTextWriter(TextWriter.Null, buffer, new HtmlTestEncoder());
|
|
|
|
var page = CreatePage(p =>
|
|
{
|
|
p.Write(new HtmlString("Hello world"));
|
|
});
|
|
page.ViewContext.Writer = writer;
|
|
|
|
// Act
|
|
await page.ExecuteAsync();
|
|
|
|
// Assert
|
|
Assert.Equal("Hello world", HtmlContentUtilities.HtmlContentToString(writer.Buffer));
|
|
}
|
|
|
|
private static TestableRazorPage CreatePage(
|
|
Action<TestableRazorPage> executeAction,
|
|
ViewContext context = null)
|
|
{
|
|
return CreatePage(page =>
|
|
{
|
|
executeAction(page);
|
|
return Task.FromResult(0);
|
|
}, context);
|
|
}
|
|
|
|
|
|
private static TestableRazorPage CreatePage(
|
|
Func<TestableRazorPage, Task> executeAction,
|
|
ViewContext context = null)
|
|
{
|
|
context = context ?? CreateViewContext();
|
|
var view = new Mock<TestableRazorPage> { CallBase = true };
|
|
if (executeAction != null)
|
|
{
|
|
view.Setup(v => v.ExecuteAsync())
|
|
.Returns(() =>
|
|
{
|
|
return executeAction(view.Object);
|
|
});
|
|
}
|
|
|
|
view.Object.ViewContext = context;
|
|
return view.Object;
|
|
}
|
|
|
|
private static ViewContext CreateViewContext(TextWriter writer = null)
|
|
{
|
|
writer = writer ?? new StringWriter();
|
|
var httpContext = new DefaultHttpContext();
|
|
var serviceProvider = new ServiceCollection()
|
|
.AddSingleton<IViewBufferScope, TestViewBufferScope>()
|
|
.BuildServiceProvider();
|
|
httpContext.RequestServices = serviceProvider;
|
|
var actionContext = new ActionContext(
|
|
httpContext,
|
|
new RouteData(),
|
|
new ActionDescriptor());
|
|
return new ViewContext(
|
|
actionContext,
|
|
Mock.Of<IView>(),
|
|
new ViewDataDictionary(new EmptyModelMetadataProvider()),
|
|
Mock.Of<ITempDataDictionary>(),
|
|
writer,
|
|
new HtmlHelperOptions());
|
|
}
|
|
|
|
public abstract class TestableRazorPage : RazorPage
|
|
{
|
|
public TestableRazorPage()
|
|
{
|
|
HtmlEncoder = new HtmlTestEncoder();
|
|
}
|
|
|
|
public string RenderedContent
|
|
{
|
|
get
|
|
{
|
|
var writer = Assert.IsType<StringWriter>(Output);
|
|
return writer.ToString();
|
|
}
|
|
}
|
|
|
|
public IHtmlContent RenderBodyPublic()
|
|
{
|
|
return base.RenderBody();
|
|
}
|
|
}
|
|
}
|
|
} |