[Repo Assist] Emit diagnostic warning when Sample path not found, falling back to inline content

RELEASE_NOTES.md

@@ -1,5 +1,9 @@
 # Release Notes
 
+## 7.0.2
+
+- When a Sample path is not found and the value is treated as inline content, emit a diagnostic warning message (fixes #953)
+
 ## 7.0.1
 
 - Revert "fix potential XXE vulnerability in XML parsing by @Thorium in #1596"

src/FSharp.Data.DesignTime/CommonProviderImplementation/Helpers.fs

@@ -337,6 +337,11 @@ module internal ProviderHelpers =
 
                     if not uri.IsAbsoluteUri then
                         // even if it's a valid uri, it could be sample text
+                        eprintfn
+                            "FSharp.Data: the path '%s' was not found; treating the value as inline %s content."
+                            valueToBeParsedOrItsUri
+                            formatName
+
                         try
                             { Spec = parseFunc "" valueToBeParsedOrItsUri
                               IsUri = false