Fix workflow @input directory handling

Author: Adr1an04

src/specify_cli/__init__.py

@@ -5067,8 +5067,12 @@ def _parse_workflow_inputs(
             value = raw_value.strip()
             if value.startswith("@"):
                 file_ref = value[1:].strip()
-                if file_ref and _resolve_workflow_cli_path(file_ref).exists():
-                    _, value = _read_workflow_cli_file(file_ref, f"input {key!r}")
+                if file_ref:
+                    candidate_path = _resolve_workflow_cli_path(file_ref)
+                    if candidate_path.exists() and candidate_path.is_file():
+                        _, value = _read_workflow_cli_file(
+                            file_ref, f"input {key!r}"
+                        )
             inputs[key] = value
 
     return inputs

tests/test_workflows.py

@@ -130,6 +130,18 @@ def test_missing_at_file_stays_literal(self, literal, project_dir, monkeypatch):
 
         assert inputs == {"assignee": literal}
 
+    def test_existing_at_directory_stays_literal(self, project_dir, monkeypatch):
+        from specify_cli import _parse_workflow_inputs
+
+        (project_dir / "some_existing_directory").mkdir()
+        monkeypatch.chdir(project_dir)
+
+        assert _parse_workflow_inputs(["x=@."], None) == {"x": "@."}
+        assert _parse_workflow_inputs(
+            ["x=@some_existing_directory"],
+            None,
+        ) == {"x": "@some_existing_directory"}
+
     def test_missing_input_file_fails_cleanly(self, project_dir, monkeypatch):
         from specify_cli import _parse_workflow_inputs
 
@@ -138,6 +150,15 @@ def test_missing_input_file_fails_cleanly(self, project_dir, monkeypatch):
         with pytest.raises(ValueError, match="not found"):
             _parse_workflow_inputs(None, "missing.json")
 
+    def test_input_file_directory_fails_cleanly(self, project_dir, monkeypatch):
+        from specify_cli import _parse_workflow_inputs
+
+        (project_dir / "payload.json").mkdir()
+        monkeypatch.chdir(project_dir)
+
+        with pytest.raises(ValueError, match="not a file"):
+            _parse_workflow_inputs(None, "payload.json")
+
     def test_input_file_loads_json_object(self, project_dir, monkeypatch):
         from specify_cli import _parse_workflow_inputs