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// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
using System;
using System.IO;
using System.Xml;
using Microsoft.Web.XmlTransform;
using Xunit;
namespace Microsoft.AspNetCore.AzureAppServices.SiteExtension;
public class TransformTest
{
private static readonly string XdtExtensionPath = AppDomain.CurrentDomain.BaseDirectory;
[Theory]
[InlineData("config_empty.xml")]
[InlineData("config_existingline.xml")]
[InlineData("config_existingEmptyValue.xml")]
public void Transform_EmptyConfig_Added(string configFile)
{
var doc = LoadDocAndRunTransform(configFile);
Assert.Equal(2, doc.ChildNodes.Count);
var envNode = doc["configuration"]?["system.webServer"]?["runtime"]?["environmentVariables"];
Assert.NotNull(envNode);
Assert.Equal(3, envNode.ChildNodes.Count);
var depsElement = envNode.FirstChild;
Assert.Equal("add", depsElement.Name);
Assert.Equal("DOTNET_ADDITIONAL_DEPS", depsElement.Attributes["name"].Value);
Assert.Equal($@"{XdtExtensionPath}\additionalDeps\;{XdtExtensionPath}\additionalDeps\Microsoft.AspNetCore.AzureAppServices.HostingStartup\;" +
@"%ProgramFiles%\dotnet\additionalDeps\Microsoft.AspNetCore.AzureAppServices.HostingStartup\",
depsElement.Attributes["value"].Value);
var sharedStoreElement = depsElement.NextSibling;
Assert.Equal("add", sharedStoreElement.Name);
Assert.Equal("DOTNET_SHARED_STORE", sharedStoreElement.Attributes["name"].Value);
Assert.Equal($@"{XdtExtensionPath}\store", sharedStoreElement.Attributes["value"].Value);
var startupAssembliesElement = sharedStoreElement.NextSibling;
Assert.Equal("add", startupAssembliesElement.Name);
Assert.Equal("ASPNETCORE_HOSTINGSTARTUPASSEMBLIES", startupAssembliesElement.Attributes["name"].Value);
Assert.Equal("Microsoft.AspNetCore.AzureAppServices.HostingStartup", startupAssembliesElement.Attributes["value"].Value);
}
[Fact]
public void Transform_ExistingValue_AppendsValue()
{
var doc = LoadDocAndRunTransform("config_existingvalue.xml");
Assert.Equal(2, doc.ChildNodes.Count);
var envNode = doc["configuration"]?["system.webServer"]?["runtime"]?["environmentVariables"];
Assert.NotNull(envNode);
Assert.Equal(3, envNode.ChildNodes.Count);
var depsElement = envNode.FirstChild;
Assert.Equal("add", depsElement.Name);
Assert.Equal("DOTNET_ADDITIONAL_DEPS", depsElement.Attributes["name"].Value);
Assert.Equal(@"ExistingValue1;" +
$@"{XdtExtensionPath}\additionalDeps\;{XdtExtensionPath}\additionalDeps\Microsoft.AspNetCore.AzureAppServices.HostingStartup\;" +
@"%ProgramFiles%\dotnet\additionalDeps\Microsoft.AspNetCore.AzureAppServices.HostingStartup\",
depsElement.Attributes["value"].Value);
var sharedStoreElement = depsElement.NextSibling;
Assert.Equal("add", sharedStoreElement.Name);
Assert.Equal("DOTNET_SHARED_STORE", sharedStoreElement.Attributes["name"].Value);
Assert.Equal($@"ExistingValue3;{XdtExtensionPath}\store", sharedStoreElement.Attributes["value"].Value);
var startupAssembliesElement = sharedStoreElement.NextSibling;
Assert.Equal("add", startupAssembliesElement.Name);
Assert.Equal("ASPNETCORE_HOSTINGSTARTUPASSEMBLIES", startupAssembliesElement.Attributes["name"].Value);
Assert.Equal("ExistingValue2;Microsoft.AspNetCore.AzureAppServices.HostingStartup", startupAssembliesElement.Attributes["value"].Value);
}
private static XmlDocument LoadDocAndRunTransform(string docName)
{
// Microsoft.Web.Hosting.Transformers.ApplicationHost.SiteExtensionDefinition.Transform
// (See Microsoft.Web.Hosting, Version=7.1.0.0) replaces variables for you in Azure.
var transformFile = File.ReadAllText("applicationHost.xdt");
transformFile = transformFile.Replace("%XDT_EXTENSIONPATH%", XdtExtensionPath);
var transform = new XmlTransformation(transformFile, isTransformAFile: false, logger: null);
var doc = new XmlDocument();
doc.Load(docName);
Assert.True(transform.Apply(doc));
return doc;
}
}
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