add tostring support for xmldocument (#480)

SimonCropp · web-flow · commit ef1d87e0d09d · 2022-02-21T23:02:42.000+11:00
diff --git a/docs/serializer-settings.md b/docs/serializer-settings.md
@@ -1293,9 +1293,28 @@ The default mapping is:
         var converted = (XElement) target;
         return new(converted.ToString(), "xml");
     }
+},
+{
+    typeof(XmlDocument), (target, settings) =>
+    {
+        var xmlDocument = (XmlDocument) target;
+        var stringBuilder = new StringBuilder();
+        var writerSettings = new XmlWriterSettings
+        {
+            Indent = true,
+            IndentChars = "  ",
+            NewLineChars = "\r\n",
+            NewLineHandling = NewLineHandling.Replace
+        };
+        using (var writer = XmlWriter.Create(stringBuilder, writerSettings))
+        {
+            xmlDocument.Save(writer);
+        }
+        return new(stringBuilder.ToString(), "xml");
+    }
 }
 ```
-<sup><a href='/src/Verify/Serialization/VerifierSettings.cs#L57-L128' title='Snippet source file'>snippet source</a> | <a href='#snippet-typetostringmapping' title='Start of snippet'>anchor</a></sup>
+<sup><a href='/src/Verify/Serialization/VerifierSettings.cs#L57-L147' title='Snippet source file'>snippet source</a> | <a href='#snippet-typetostringmapping' title='Start of snippet'>anchor</a></sup>
 <!-- endSnippet -->
 
 This bypasses the Guid and DateTime scrubbing mentioned above.
diff --git a/src/Directory.Build.props b/src/Directory.Build.props
@@ -2,7 +2,7 @@
 <Project>
   <PropertyGroup>
     <NoWarn>CS1591;CS0649;xUnit1026;xUnit1013;msb3277;CS0436</NoWarn>
-    <Version>16.1.2</Version>
+    <Version>16.2.0</Version>
     <ImplicitUsings>enable</ImplicitUsings>
     <LangVersion>10</LangVersion>
     <SuppressTfmSupportBuildWarnings>true</SuppressTfmSupportBuildWarnings>
diff --git a/src/Verify.Tests/SimpleTypeTests.Run_arg=System.Xml.XmlDocument.verified.txt b/src/Verify.Tests/SimpleTypeTests.Run_arg=System.Xml.XmlDocument.verified.txt
diff --git a/src/Verify.Tests/SimpleTypeTests.Run_arg=System.Xml.XmlDocument.verified.xml b/src/Verify.Tests/SimpleTypeTests.Run_arg=System.Xml.XmlDocument.verified.xml
@@ -0,0 +1,4 @@
+﻿<?xml version="1.0" encoding="utf-16"?>
+<body>
+  <node>text</node>
+</body>
diff --git a/src/Verify/Serialization/VerifierSettings.cs b/src/Verify/Serialization/VerifierSettings.cs
@@ -123,6 +123,25 @@ public static bool TryGetToString<T>(
                 var converted = (XElement) target;
                 return new(converted.ToString(), "xml");
             }
+        },
+        {
+            typeof(XmlDocument), (target, settings) =>
+            {
+                var xmlDocument = (XmlDocument) target;
+                var stringBuilder = new StringBuilder();
+                var writerSettings = new XmlWriterSettings
+                {
+                    Indent = true,
+                    IndentChars = "  ",
+                    NewLineChars = "\r\n",
+                    NewLineHandling = NewLineHandling.Replace
+                };
+                using (var writer = XmlWriter.Create(stringBuilder, writerSettings))
+                {
+                    xmlDocument.Save(writer);
+                }
+                return new(stringBuilder.ToString(), "xml");
+            }
         }
 
         #endregion

-Original file line number
+Diff line change
@@ @@ -0,0 +1,4 @@ @@
 +<?xml version="1.0" encoding="utf-16"?>
 +<body>
 +  <node>text</node>
 +</body>