117 lines
5.5 KiB
C#
117 lines
5.5 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;
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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 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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Enumerable.Empty<EmbeddedResourceInfo>(),
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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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}
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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, Enumerable.Empty<EmbeddedResourceInfo>(), linkerEnabled: true);
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// Assert
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Assert.Equal(htmlTemplate, content);
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}
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[Fact]
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public void InjectsAdditionalTagsForEmbeddedContent()
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{
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// Arrange
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var htmlTemplate = "Start <script id='testboot' type='blazor-boot'></script> End";
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var embeddedContent = new[]
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{
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new EmbeddedResourceInfo(EmbeddedResourceKind.Static, "my/static/file"),
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new EmbeddedResourceInfo(EmbeddedResourceKind.Css, "css/first.css"),
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new EmbeddedResourceInfo(EmbeddedResourceKind.JavaScript, "javascript/first.js"),
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new EmbeddedResourceInfo(EmbeddedResourceKind.Css, "css/second.css"),
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new EmbeddedResourceInfo(EmbeddedResourceKind.JavaScript, "javascript/second.js"),
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};
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// Act
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var resultHtml = 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: new[] { "Something.dll" },
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embeddedContent: embeddedContent,
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linkerEnabled: true);
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// Assert
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var parsedHtml = new HtmlParser().Parse(resultHtml);
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var blazorBootScript = parsedHtml.GetElementById("testboot");
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Assert.NotNull(blazorBootScript);
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Assert.Equal(
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"Start "
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+ blazorBootScript.OuterHtml
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// First we insert the CSS file tags in order
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+ Environment.NewLine + "<link rel=\"stylesheet\" href=\"css/first.css\" />"
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+ Environment.NewLine + "<link rel=\"stylesheet\" href=\"css/second.css\" />"
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// Then the JS file tags in order, each with 'defer'
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+ Environment.NewLine + "<script src=\"javascript/first.js\" defer></script>"
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+ Environment.NewLine + "<script src=\"javascript/second.js\" defer></script>"
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+ " End",
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resultHtml);
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}
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}
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}
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