améliorations diverses

tests/test_marked_copies.py

@@ -36,6 +36,7 @@ class MarkedCopiesTests(unittest.TestCase):
         review.had_errors = False
         review.completed = False
         review.current_shift = 50
+        review.current_width_offset = 0
         review.default_max_per_file = 5
         review.current_max_per_file = 1
         review.root = Mock()
@@ -70,6 +71,7 @@ class MarkedCopiesTests(unittest.TestCase):
         self.assertIn("Copie01.pdf", copy_errors(self.workspace))
         self.assertEqual(review.index, 1)
         self.assertEqual(review.current_max_per_file, 5)
+        self.assertEqual(review.current_width_offset, 0)
         self.assertTrue(review.had_errors)
         review.load_current_image.assert_called_once_with()
 
@@ -96,6 +98,30 @@ class MarkedCopiesTests(unittest.TestCase):
         self.assertTrue(review.stop_prefetch.is_set())
         self.assertIn("Copie01.pdf", copy_errors(self.workspace))
 
+    def test_enlarge_reprocesses_with_a_wider_selection(self):
+        review = self.reviewer()
+        review.trigger_processing = Mock()
+
+        review.on_enlarge(cutleft.CROP_WIDTH_STEP)
+
+        self.assertEqual(review.current_width_offset, 50)
+        review.trigger_processing.assert_called_once_with(self.files[0], 50)
+
+    def test_process_single_pdf_enlarges_crop_and_caps_it_at_page_edge(self):
+        page = Image.new("RGB", (900, 300), "white")
+        with patch.object(cutleft, "get_pdf_pages", return_value=[page]):
+            regular = cutleft.process_single_pdf(self.files[0])
+            enlarged = cutleft.process_single_pdf(self.files[0], width_offset=200)
+            capped = cutleft.process_single_pdf(self.files[0], width_offset=1000)
+            fullpage = cutleft.process_single_pdf(
+                self.files[0], max_per_file=1, width_offset=200
+            )
+
+        self.assertEqual(regular[1][0].size, (300, 300))
+        self.assertEqual(enlarged[1][0].size, (500, 300))
+        self.assertEqual(capped[1][0].size, (800, 300))
+        self.assertEqual(fullpage[1][0].size, (900, 300))
+
     def test_processing_blocks_skip_and_failed_conversion_is_flagged(self):
         review = self.reviewer()
         review.is_processing = True