Merges dev into master

src/Microsoft.OpenApi.Readers/Microsoft.OpenApi.Readers.csproj

@@ -10,7 +10,7 @@
         <Company>Microsoft</Company>
         <Title>Microsoft.OpenApi.Readers</Title>
         <PackageId>Microsoft.OpenApi.Readers</PackageId>
-        <Version>1.6.4-preview2</Version>
+        <Version>1.6.4-preview3</Version>
         <Description>OpenAPI.NET Readers for JSON and YAML documents</Description>
         <Copyright>© Microsoft Corporation. All rights reserved.</Copyright>
         <PackageTags>OpenAPI .NET</PackageTags>

src/Microsoft.OpenApi.Readers/V2/OpenApiDocumentDeserializer.cs

@@ -139,6 +139,12 @@ private static void MakeServers(IList<OpenApiServer> servers, ParsingContext con
             var schemes = context.GetFromTempStorage<List<string>>("schemes");
             Uri defaultUrl = rootNode.Context.BaseUrl;
 
+            // so we don't default to the document path when a host is provided
+            if (string.IsNullOrEmpty(basePath) && !string.IsNullOrEmpty(host))
+            {
+                basePath = "/";
+            }
+
             // If nothing is provided, don't create a server
             if (host == null && basePath == null && schemes == null)
             {

src/Microsoft.OpenApi.Workbench/Microsoft.OpenApi.Workbench.csproj

@@ -1,4 +1,4 @@
-<Project Sdk="Microsoft.NET.Sdk">
+<Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
     <TargetFramework>net7.0-windows</TargetFramework>
     <OutputType>WinExe</OutputType>
@@ -10,7 +10,7 @@
     <PackageReference Include="Microsoft.DotNet.UpgradeAssistant.Extensions.Default.Analyzers" Version="0.4.410601">
       <PrivateAssets>all</PrivateAssets>
     </PackageReference>
-    <PackageReference Include="Microsoft.Windows.Compatibility" Version="7.0.0" />
+    <PackageReference Include="Microsoft.Windows.Compatibility" Version="7.0.1" />
   </ItemGroup>
   <ItemGroup>
     <Resource Include="Themes\Metro\HowToApplyTheme.txt" />

src/Microsoft.OpenApi/Helpers/DictionaryCloneHelper.cs

@@ -9,7 +9,7 @@ namespace Microsoft.OpenApi.Helpers
     /// <summary>
     /// Helper class for deep cloning dictionaries.
     /// </summary>
-    internal class DictionaryCloneHelper
+    internal static class DictionaryCloneHelper
     {
         /// <summary>
         /// Deep clone key value pairs in a dictionary.
@@ -21,14 +21,26 @@ internal class DictionaryCloneHelper
         internal static Dictionary<T, U> Clone<T, U>(IDictionary<T, U> dictionary)
         {            
             if (dictionary is null) return null;
+
             var clonedDictionary = new Dictionary<T, U>(dictionary.Keys.Count);
+            var clonedObjects = new Dictionary<object, object>();
 
-            foreach (var kvp in dictionary)
+            foreach (var keyValuePair in dictionary)
             {
-                // Create instance of the specified type using the constructor matching the specified parameter types.
-                clonedDictionary[kvp.Key] = (U)Activator.CreateInstance(kvp.Value.GetType(), kvp.Value);
-            }
-
+                // If the object has already been cloned, use the cloned object instead of cloning it again
+                if (clonedObjects.TryGetValue(keyValuePair.Value, out var clonedValue))
+                {
+                    clonedDictionary[keyValuePair.Key] = (U)clonedValue;
+                }
+                else
+                {
+                    // Create instance of the specified type using the constructor matching the specified parameter types.
+                    clonedDictionary[keyValuePair.Key] = (U)Activator.CreateInstance(keyValuePair.Value.GetType(), keyValuePair.Value);
+
+                    // Add the cloned object to the dictionary of cloned objects
+                    clonedObjects.Add(keyValuePair.Value, clonedDictionary[keyValuePair.Key]);
+                }                
+            }            
 
             return clonedDictionary;
         }

src/Microsoft.OpenApi/Microsoft.OpenApi.csproj

@@ -11,7 +11,7 @@
         <Company>Microsoft</Company>
         <Title>Microsoft.OpenApi</Title>
         <PackageId>Microsoft.OpenApi</PackageId>
-        <Version>1.6.4-preview2</Version>
+        <Version>1.6.4-preview3</Version>
         <Description>.NET models with JSON and YAML writers for OpenAPI specification</Description>
         <Copyright>© Microsoft Corporation. All rights reserved.</Copyright>
         <PackageTags>OpenAPI .NET</PackageTags>

test/Microsoft.OpenApi.Readers.Tests/V2Tests/OpenApiServerTests.cs

@@ -74,6 +74,31 @@ public void JustHostNoDefault()
             Assert.Equal("//www.foo.com", server.Url);
         }
 
+        [Fact]
+        public void NoBasePath()
+        {
+            var input = @"
+swagger: 2.0
+info: 
+  title: test
+  version: 1.0.0
+host: www.foo.com
+schemes:
+  - http
+paths: {}
+";
+            var reader = new OpenApiStringReader(new OpenApiReaderSettings()
+            {
+                BaseUrl = new Uri("https://www.foo.com/spec.yaml")
+            });
+
+            var doc = reader.Read(input, out var diagnostic);
+
+            var server = doc.Servers.First();
+            Assert.Equal(1, doc.Servers.Count);
+            Assert.Equal("http://www.foo.com", server.Url);
+        }
+
         [Fact]
         public void JustBasePathNoDefault()
         {
@@ -203,14 +228,14 @@ public void JustHostWithCustomHostWithApi()
 ";
             var reader = new OpenApiStringReader(new OpenApiReaderSettings()
             {
-                BaseUrl = new Uri("https://dev.bing.com/api")
+                BaseUrl = new Uri("https://dev.bing.com/api/description.yaml")
             });
 
             var doc = reader.Read(input, out var diagnostic);
 
             var server = doc.Servers.First();
             Assert.Equal(1, doc.Servers.Count);
-            Assert.Equal("https://prod.bing.com/api", server.Url);
+            Assert.Equal("https://prod.bing.com", server.Url);
         }
 
         [Fact]