chore: uses file stream information in priority as its the most accurate one

Signed-off-by: Vincent Biret <[email protected]>

Author: baywet

src/Microsoft.OpenApi/Reader/OpenApiModelFactory.cs

@@ -242,8 +242,8 @@ private static async Task<ReadResult> InternalLoadAsync(Stream input, string for
             settings ??= DefaultReaderSettings.Value;
             var reader = settings.GetReader(format);
             var location =
-                        settings.BaseUrl ??
                         (input is FileStream fileStream ? new Uri(fileStream.Name) : null) ??
+                        settings.BaseUrl ??
                         new Uri(OpenApiConstants.BaseRegistryUri);
 
             var readResult = await reader.ReadAsync(input, location, settings, cancellationToken).ConfigureAwait(false);

test/Microsoft.OpenApi.Readers.Tests/V31Tests/OpenApiDocumentTests.cs

@@ -514,7 +514,8 @@ public async Task ParseDocumentWithReferenceByIdGetsResolved()
         public async Task ExternalDocumentDereferenceToOpenApiDocumentUsingJsonPointerWorks()
         {
             // Arrange
-            var path = Path.Combine(Directory.GetCurrentDirectory(), SampleFolderPath);
+            var documentName = "externalRefByJsonPointer.yaml";
+            var path = Path.Combine(Directory.GetCurrentDirectory(), SampleFolderPath, documentName);
 
             var settings = new OpenApiReaderSettings
             {
@@ -524,7 +525,7 @@ public async Task ExternalDocumentDereferenceToOpenApiDocumentUsingJsonPointerWo
             settings.AddYamlReader();
 
             // Act
-            var result = await OpenApiDocument.LoadAsync(Path.Combine(SampleFolderPath, "externalRefByJsonPointer.yaml"), settings);
+            var result = await OpenApiDocument.LoadAsync(Path.Combine(SampleFolderPath, documentName), settings);
             var responseSchema = result.Document.Paths["/resource"].Operations[HttpMethod.Get].Responses["200"].Content["application/json"].Schema;
 
             // Assert