154 lines
5.3 KiB
C#
154 lines
5.3 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 Microsoft.Extensions.FileProviders;
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using System.IO;
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using System.Linq;
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using Xunit;
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using System;
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using AngleSharp.Parser.Html;
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using Microsoft.AspNetCore.Blazor.Build.Core.FileSystem;
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namespace Microsoft.AspNetCore.Blazor.Server.Test
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{
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public class IndexHtmlFileProviderTest
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{
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[Fact]
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public void SuppliesNoIndexHtmlFileGivenNoTemplate()
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{
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// Arrange
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var instance = new IndexHtmlFileProvider(
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null, "fakeassembly", Enumerable.Empty<IFileInfo>());
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// Act
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var file = instance.GetFileInfo("/index.html");
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// Assert
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Assert.False(file.Exists);
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}
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[Fact]
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public void SuppliesIndexHtmlFileGivenTemplate()
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{
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// Arrange
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var htmlTemplate = "test";
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var htmlOutput = $"<html><head></head><body>{htmlTemplate}</body></html>";
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var instance = new IndexHtmlFileProvider(
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htmlTemplate, "fakeassembly", Enumerable.Empty<IFileInfo>());
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// Act
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var file = instance.GetFileInfo("/index.html");
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// Assert
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Assert.True(file.Exists);
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Assert.False(file.IsDirectory);
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Assert.Equal("/index.html", file.PhysicalPath);
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Assert.Equal("index.html", file.Name);
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Assert.Equal(htmlOutput, ReadString(file));
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Assert.Equal(htmlOutput.Length, file.Length);
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}
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[Fact]
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public void RootDirectoryContainsOnlyIndexHtml()
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{
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// Arrange
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var htmlTemplate = "test";
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var instance = new IndexHtmlFileProvider(
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htmlTemplate, "fakeassembly", Enumerable.Empty<IFileInfo>());
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// Act
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var directory = instance.GetDirectoryContents(string.Empty);
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// Assert
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Assert.True(directory.Exists);
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Assert.Collection(directory,
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item => Assert.Equal("/index.html", item.PhysicalPath));
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}
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[Fact]
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public void InjectsScriptTagReferencingAssemblyAndDependencies()
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{
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// Arrange
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var htmlTemplate = "<html><body><h1>Hello</h1>Some text</body><script type='blazor-boot'></script></html>";
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var dependencies = new IFileInfo[]
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{
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new TestFileInfo("System.Abc.dll"),
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new TestFileInfo("MyApp.ClassLib.dll"),
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};
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var instance = new IndexHtmlFileProvider(
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htmlTemplate, "MyApp.Entrypoint", dependencies);
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// Act
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var file = instance.GetFileInfo("/index.html");
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var parsedHtml = new HtmlParser().Parse(ReadString(file));
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var firstElem = parsedHtml.Body.FirstElementChild;
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var scriptElem = parsedHtml.Body.QuerySelector("script");
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// Assert
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Assert.Equal("h1", firstElem.TagName.ToLowerInvariant());
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Assert.Equal("script", scriptElem.TagName.ToLowerInvariant());
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Assert.False(scriptElem.HasChildNodes);
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Assert.Equal("/_framework/blazor.js", scriptElem.GetAttribute("src"));
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Assert.Equal("MyApp.Entrypoint.dll", scriptElem.GetAttribute("main"));
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Assert.Equal("System.Abc.dll,MyApp.ClassLib.dll", scriptElem.GetAttribute("references"));
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Assert.False(scriptElem.HasAttribute("type"));
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}
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[Fact]
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public void MissingBootScriptTagReferencingAssemblyAndDependencies()
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{
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// Arrange
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var htmlTemplate = "<html><body><h1>Hello</h1>Some text</body></html>";
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var dependencies = new IFileInfo[]
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{
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new TestFileInfo("System.Abc.dll"),
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new TestFileInfo("MyApp.ClassLib.dll"),
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};
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var instance = new IndexHtmlFileProvider(
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htmlTemplate, "MyApp.Entrypoint", dependencies);
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// Act
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var file = instance.GetFileInfo("/index.html");
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var parsedHtml = new HtmlParser().Parse(ReadString(file));
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var firstElem = parsedHtml.Body.FirstElementChild;
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var scriptElem = parsedHtml.Body.QuerySelector("script");
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// Assert
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Assert.Equal("h1", firstElem.TagName.ToLowerInvariant());
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Assert.Null(scriptElem);
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}
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private static string ReadString(IFileInfo file)
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{
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using (var stream = file.CreateReadStream())
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using (var sr = new StreamReader(stream))
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{
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return sr.ReadToEnd();
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}
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}
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class TestFileInfo : IFileInfo
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{
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public TestFileInfo(string physicalPath)
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{
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PhysicalPath = physicalPath;
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}
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public bool Exists => true;
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public long Length => throw new NotImplementedException();
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public string PhysicalPath { get; }
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public string Name => Path.GetFileName(PhysicalPath);
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public DateTimeOffset LastModified => throw new NotImplementedException();
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public bool IsDirectory => false;
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public Stream CreateReadStream() => throw new NotImplementedException();
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}
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}
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}
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