Feature/conllu better error msg

CHANGELOG.md

@@ -5,6 +5,10 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+### Added
+
+- import `conllu` parsing errors: Add file name to error message
+
 ## [0.50.1] - 2026-03-31
 
 ### Fixed

src/importer/conllu/mod.rs

@@ -126,7 +126,8 @@ impl ImportCoNLLU {
         let mut decoder = DecodeReaderBytes::new(f);
         let mut file_content = String::new();
         decoder.read_to_string(&mut file_content)?; // TODO this needs to be buffered. UD Files can be very large
-        let conllu: Pairs<Rule> = CoNLLUParser::parse(Rule::conllu, &file_content)?;
+        let conllu: Pairs<Rule> = CoNLLUParser::parse(Rule::conllu, &file_content)
+            .map_err(|e| anyhow!("Could not parse {document_path:?}:\n{e}"))?;
         self.map_document(step_id, update, document_node_name, conllu, tx)?;
         Ok(())
     }

src/importer/conllu/snapshots/annatto__importer__conllu__tests__conll_fail_invalid-2.snap

@@ -0,0 +1,11 @@
+---
+source: src/importer/conllu/tests.rs
+expression: run.err().unwrap()
+---
+Could not parse "tests/data/import/conll/invalid/test_file.conllu":
+ --> 1:1
+  |
+1 | a	_
+  | ^---
+  |
+  = expected sentence

src/importer/conllu/snapshots/annatto__importer__conllu__tests__conll_fail_invalid.snap

@@ -1,7 +1,8 @@
 ---
 source: src/importer/conllu/tests.rs
-expression: job.err().unwrap()
+expression: job.err().unwrap().to_string()
 ---
+Could not parse "tests/data/import/conll/invalid/test_file.conllu":
  --> 1:1
   |
 1 | a	_

src/importer/conllu/snapshots/annatto__importer__conllu__tests__fail_missing_column.snap

@@ -2,6 +2,7 @@
 source: src/importer/conllu/tests.rs
 expression: job.err().unwrap().to_string()
 ---
+Could not parse "tests/data/import/conll/missing-column/website_example.conllu":
   --> 10:17
    |
 10 | 6	.	.	PUNCT	.	_	punct	2:punct	_

src/importer/conllu/tests.rs

@@ -59,17 +59,15 @@ fn test_conll_fail_invalid() {
     let mut u = GraphUpdate::default();
     let import = ImportCoNLLU::default();
     let step_id = StepID::from_importer_step(&import_step);
-    assert!(
-        import
-            .import_document(
-                &step_id,
-                &mut u,
-                import_path.join("test_file.conllu").as_path(),
-                import_path.join("test_file").to_str().unwrap().to_string(),
-                &None
-            )
-            .is_err()
+    let run = import.import_document(
+        &step_id,
+        &mut u,
+        import_path.join("test_file.conllu").as_path(),
+        import_path.join("test_file").to_str().unwrap().to_string(),
+        &None,
     );
+    assert!(run.is_err());
+    assert_snapshot!(run.err().unwrap());
 }
 
 #[test]