draft: fix location key encoding

Signed-off-by: Vincent Biret <vibiret@microsoft.com>

Author: baywet

test/Microsoft.OpenApi.Tests/Services/OpenApiVisitorBaseTests.cs

@@ -0,0 +1,80 @@
+using System.Collections.Generic;
+using Xunit;
+
+namespace Microsoft.OpenApi.Tests.Services;
+
+public class OpenApiVisitorBaseTests
+{
+    [Fact]
+    public void EncodesReservedCharacters()
+    {
+        // Given
+        var openApiDocument = new OpenApiDocument
+        {
+            Info = new()
+            {
+                Title = "foo",
+                Version = "1.2.2"
+            },
+            Paths = new()
+            {
+            },
+            Components = new()
+            {
+                Schemas = new Dictionary<string, IOpenApiSchema>()
+                {
+                    ["Pet~"] = new OpenApiSchema()
+                    {
+                        Type = JsonSchemaType.Object
+                    },
+                    ["Pet/"] = new OpenApiSchema()
+                    {
+                        Type = JsonSchemaType.Object
+                    },
+                }
+            }
+        };
+        var visitor = new LocatorVisitor();
+
+        // When
+        visitor.Visit(openApiDocument);
+
+        // Then
+        Assert.Equivalent(
+            new List<string>
+            {
+                "#/components/schemas/Pet~0",
+                "#/components/schemas/Pet~1"
+            }, visitor.Locations);
+    }
+
+    private class LocatorVisitor : OpenApiVisitorBase
+    {
+        public List<string> Locations { get; } = new List<string>();
+
+        public override void Visit(IOpenApiSchema openApiSchema)
+        {
+            Locations.Add(this.PathString);
+        }
+        public override void Visit(OpenApiComponents components)
+        {
+            Enter("schemas");
+            if (components.Schemas != null)
+            {
+                foreach (var schemaKvp in components.Schemas)
+                {
+                    Enter(schemaKvp.Key);
+                    this.Visit(schemaKvp.Value);
+                    Exit();
+                }
+            }
+            Exit();
+        }
+        public override void Visit(OpenApiDocument doc)
+        {
+            Enter("components");
+            Visit(doc.Components);
+            Exit();
+        }
+    }
+}