89 lines
4.1 KiB
C#
89 lines
4.1 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 AngleSharp.Parser.Html;
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using System.Linq;
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using Xunit;
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namespace Microsoft.AspNetCore.Blazor.Build.Test
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{
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public class IndexHtmlWriterTest
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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 htmlTemplatePrefix = @"
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<html>
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<body>
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<h1>Hello</h1>
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Some text
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<script>alert(1)</script>";
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var htmlTemplateSuffix = @"
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</body>
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</html>";
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var htmlTemplate =
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$@"{htmlTemplatePrefix}
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<script type='blazor-boot' custom1 custom2=""value"">some text that should be removed</script>
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{htmlTemplateSuffix}";
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var assemblyReferences = new string[] { "System.Abc.dll", "MyApp.ClassLib.dll", };
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var jsReferences = new string[] { "some/file.js", "another.js" };
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var cssReferences = new string[] { "my/styles.css" };
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var instance = IndexHtmlWriter.GetIndexHtmlContents(
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htmlTemplate,
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"MyApp.Entrypoint",
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"MyNamespace.MyType::MyMethod",
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assemblyReferences,
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jsReferences,
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cssReferences,
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linkerEnabled: true);
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// Act & Assert: Start and end is not modified (including formatting)
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Assert.StartsWith(htmlTemplatePrefix, instance);
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Assert.EndsWith(htmlTemplateSuffix, instance);
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// Assert: Boot tag is correct
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var scriptTagText = instance.Substring(htmlTemplatePrefix.Length, instance.Length - htmlTemplatePrefix.Length - htmlTemplateSuffix.Length);
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var parsedHtml = new HtmlParser().Parse("<html><body>" + scriptTagText + "</body></html>");
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var scriptElems = parsedHtml.Body.QuerySelectorAll("script");
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var linkElems = parsedHtml.Body.QuerySelectorAll("link");
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var scriptElem = scriptElems[0];
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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("MyNamespace.MyType::MyMethod", scriptElem.GetAttribute("entrypoint"));
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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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Assert.Equal(string.Empty, scriptElem.Attributes["custom1"].Value);
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Assert.Equal("value", scriptElem.Attributes["custom2"].Value);
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Assert.Equal("true", scriptElem.Attributes["linker-enabled"].Value);
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// Assert: Also contains script tags referencing JS files
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Assert.Equal(
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scriptElems.Skip(1).Select(tag => tag.GetAttribute("src")),
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jsReferences);
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// Assert: Also contains link tags referencing CSS files
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Assert.Equal(
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linkElems.Select(tag => tag.GetAttribute("href")),
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cssReferences);
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}
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[Fact]
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public void SuppliesHtmlTemplateUnchangedIfNoBootScriptPresent()
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{
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// Arrange
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var htmlTemplate = "<!DOCTYPE html><html><body><h1 style='color:red'>Hello</h1>Some text<script type='irrelevant'>blah</script></body></html>";
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var assemblyReferences = new string[] { "System.Abc.dll", "MyApp.ClassLib.dll" };
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var jsReferences = new string[] { "some/file.js", "another.js" };
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var cssReferences = new string[] { "my/styles.css" };
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var content = IndexHtmlWriter.GetIndexHtmlContents(
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htmlTemplate, "MyApp.Entrypoint", "MyNamespace.MyType::MyMethod", assemblyReferences, jsReferences, cssReferences, linkerEnabled: true);
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// Assert
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Assert.Equal(htmlTemplate, content);
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}
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}
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}
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