Miscs personal GUI improvement

tests/test_gui_core.py

@@ -38,6 +38,7 @@ from copienator_gui.app import (
     build_runner_environment,
     copy_pdf_paths,
     detected_annotation_directories,
+    get_personal_interro_files,
     has_manual_conflicts,
     plotting_shortcut_lines,
     process_status,
@@ -1660,6 +1661,53 @@ class WorkflowTests(unittest.TestCase):
         self.assertNotIn("update_ods", standard_ids)
         self.assertIn("update_ods", personal_ids)
 
+    def test_get_personal_interro_files_copies_the_three_expected_sources(self) -> None:
+        with tempfile.TemporaryDirectory() as directory:
+            root = Path(directory)
+            source = root / "source"
+            evaluation = root / "Interro07"
+            source.mkdir()
+            evaluation.mkdir()
+            contents = {
+                "Interro07.pdf": b"pdf",
+                "Interro07.tex": b"statement",
+                "Interro07c.tex": b"correction",
+            }
+            for name, content in contents.items():
+                (source / name).write_bytes(content)
+
+            copied = get_personal_interro_files(evaluation, source)
+
+            self.assertEqual(
+                copied,
+                (
+                    evaluation / "enonce.pdf",
+                    evaluation / "enonce.tex",
+                    evaluation / "correction.tex",
+                ),
+            )
+            self.assertEqual((evaluation / "enonce.pdf").read_bytes(), b"pdf")
+            self.assertEqual((evaluation / "enonce.tex").read_bytes(), b"statement")
+            self.assertEqual((evaluation / "correction.tex").read_bytes(), b"correction")
+
+    def test_get_personal_interro_files_validates_name_and_all_sources_first(self) -> None:
+        with tempfile.TemporaryDirectory() as directory:
+            root = Path(directory)
+            source = root / "source"
+            source.mkdir()
+            invalid = root / "DS07"
+            invalid.mkdir()
+            with self.assertRaisesRegex(ValueError, "Interro"):
+                get_personal_interro_files(invalid, source)
+
+            evaluation = root / "Interro07"
+            evaluation.mkdir()
+            (evaluation / "enonce.pdf").write_bytes(b"existing")
+            (source / "Interro07.pdf").write_bytes(b"new")
+            with self.assertRaisesRegex(FileNotFoundError, "Interro07.tex"):
+                get_personal_interro_files(evaluation, source)
+            self.assertEqual((evaluation / "enonce.pdf").read_bytes(), b"existing")
+
     def test_first_visit_automation_is_declared_on_expected_steps(self) -> None:
         auto_start = {
             step.id for step in self.steps.values() if step.auto_start_first_visit