Put test MMLs into temporary files to avoid problems from passing the…

…m via CLI arguments

Because it breaks on Linux and thus on CI. I was
expecting as much...

.github/actions/run-godot-tests/action.yml

@@ -18,6 +18,5 @@ runs:
 
     - name: Run the project script
       shell: bash
-      continue-on-error: true # Temporarily ignore the exit code and just continue.
       run: |
         godot --headless --path ${{ inputs.project-path }} --script ${{ inputs.run-script }} --verbose

.gitignore

@@ -6,6 +6,7 @@ example/.references/
 example/bin/
 example/export/
 tests/bin/
+tests/run/mml-compilation/inputs/
 tests/run/voices-sound-consistency/graphs/
 src/**/*.gen.cpp
 

tests/run/mml-compilation.gd

@@ -13,6 +13,7 @@ signal loading_completed()
 
 const TUNES_URL := "https://raw.githubusercontent.com/YuriSizov/SiONMML/refs/heads/master/mmltalks_mml.json"
 const OUTPUTS_PATH := "./run/mml-compilation/outputs"
+const INPUTS_PATH := "./run/mml-compilation/inputs"
 
 var _tunes: Array[TuneItem] = []
 
@@ -31,12 +32,20 @@ func run(scene_tree: SceneTree) -> void:
 	if _assert_equal("request sent", error, OK):
 		await loading_completed
 
+		# Ensure that the folder exists.
+		var fs := DirAccess.open(".")
+		fs.make_dir_recursive(INPUTS_PATH)
+
 		for tune_item in _tunes:
 			var tune_hash := tune_item.mml_string.hash()
+			var input_path := INPUTS_PATH.path_join("%d.mml" % [ tune_hash ])
 			var output_path := OUTPUTS_PATH.path_join("%d.txt" % [ tune_hash ])
 
+			# Store the MML in a file to avoid any weirdness from passing it via CLI arguments.
+			_store_tune_mml(input_path, tune_item.mml_string)
+
 			# This is painfully slow, but allows us to read the errors and match them against the expected result.
-			var received := _run_subscript("./run/mml-compilation/compile-mml-song.gd", [ tune_item.mml_string ])
+			var received := _run_subscript("./run/mml-compilation/compile-mml-song.gd", [ tune_hash ])
 			received = _extract_godot_errors(received)
 			var expected := _load_tune_output(output_path)
 			expected = _extract_godot_errors(expected)
@@ -95,6 +104,13 @@ func _load_tunes_completed(result: int, response_code: int, _headers: PackedStri
 	loading_completed.emit()
 
 
+func _store_tune_mml(file_name: String, mml: String) -> void:
+	var file := FileAccess.open(file_name, FileAccess.WRITE)
+	file.resize(0)
+
+	file.store_string(mml)
+
+
 func _store_tune_output(file_name: String, output: String) -> void:
 	if output.is_empty():
 		return

tests/run/mml-compilation/compile-mml-song.gd

@@ -6,6 +6,8 @@
 
 extends SceneTree
 
+const INPUTS_PATH := "./run/mml-compilation/inputs"
+
 
 func _init():
 	# Delay everything by one frame so the initialization is complete before we run tests.
@@ -30,4 +32,10 @@ func _get_mml_string() -> String:
 	if args.is_empty():
 		return ""
 
-	return args[0]
+	var input_path := INPUTS_PATH.path_join("%s.mml" % [ args[0] ])
+	var file := FileAccess.open(input_path, FileAccess.READ)
+	if not file:
+		return ""
+
+	file.seek(0)
+	return file.get_as_text(true)