Set SOURCE_PATH in notebook process (#304)

Author: MichaelHatherly

CHANGELOG.md

@@ -7,6 +7,10 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## Unreleased
 
+### Fixed
+
+- Ensure `Base.source_path()` reflects the currently running notebook path [#304]
+
 ## [v0.17.1] - 2025-05-14
 
 ### Fixed
@@ -444,3 +448,4 @@ caching is enabled. Delete this folder to clear the cache. [#259]
 [#298]: https://github.com/PumasAI/QuartoNotebookRunner.jl/issues/298
 [#299]: https://github.com/PumasAI/QuartoNotebookRunner.jl/issues/299
 [#303]: https://github.com/PumasAI/QuartoNotebookRunner.jl/issues/303
+[#304]: https://github.com/PumasAI/QuartoNotebookRunner.jl/issues/304

src/QuartoNotebookWorker/src/refresh.jl

@@ -3,6 +3,7 @@ function refresh!(path, original_options, options = original_options)
     # notebook file, which is not necessarily right initially if the parent
     # process was started from a different directory to the notebook.
     cd(dirname(path))
+    task_local_storage()[:SOURCE_PATH] = path
 
     # Reset back to the original project environment if it happens to
     # have changed during cell evaluation.

test/examples/source_path.qmd

@@ -0,0 +1,8 @@
+---
+title: "Source Path"
+engine: julia
+---
+
+```{julia}
+Base.source_path()
+```

test/testsets/source_path.jl

@@ -0,0 +1,7 @@
+include("../utilities/prelude.jl")
+
+test_example(joinpath(@__DIR__, "../examples/source_path.qmd")) do json
+    cell = json["cells"][2]
+    data = cell["outputs"][1]["data"]
+    @test contains(data["text/plain"], "source_path.qmd")
+end