Enforce configurable height and pixel limits for tablet documents

tests/test_annotation_height_config.py

@@ -8,7 +8,7 @@ import unittest
 
 
 class AnnotationHeightConfigTests(unittest.TestCase):
-    def load_generators(self, setting):
+    def load_generators(self, setting, attribute="MAX_HEIGHT_PX"):
         with tempfile.TemporaryDirectory() as directory:
             config = Path(directory) / "config.py"
             config.write_text("from default_config import *\n" + setting, encoding="utf-8")
@@ -16,7 +16,7 @@ class AnnotationHeightConfigTests(unittest.TestCase):
                 [sys.executable, "-c",
                  "from copienator.commands import annotating_by_label as grouped; "
                  "from copienator.commands import annotating_with_checks as checks; "
-                 "print(grouped.MAX_HEIGHT_PX, checks.MAX_HEIGHT_PX)"],
+                 f"print(grouped.{attribute}, checks.{attribute})"],
                 cwd=Path(__file__).resolve().parents[1],
                 env={**os.environ, "COPIENATOR_CONFIG": str(config)},
                 capture_output=True, text=True, check=False,
@@ -30,7 +30,7 @@ class AnnotationHeightConfigTests(unittest.TestCase):
     def test_older_configuration_keeps_current_default(self):
         result = self.load_generators("del ANNOTATION_MAX_HEIGHT_PX\n")
         self.assertEqual(result.returncode, 0, result.stderr)
-        self.assertEqual(result.stdout.strip(), "32000 32000")
+        self.assertEqual(result.stdout.strip(), "33000 33000")
 
     def test_invalid_heights_are_rejected(self):
         for value in ("0", "-1", "1.5", "True", "'32000'"):
@@ -38,3 +38,20 @@ class AnnotationHeightConfigTests(unittest.TestCase):
                 result = self.load_generators(f"ANNOTATION_MAX_HEIGHT_PX = {value}\n")
                 self.assertNotEqual(result.returncode, 0)
                 self.assertIn("ANNOTATION_MAX_HEIGHT_PX must be a positive integer", result.stderr)
+
+    def test_custom_pixel_limit_reaches_both_generators(self):
+        result = self.load_generators("ANNOTATION_MAX_PIXELS = 50000000\n", "MAX_PIXELS")
+        self.assertEqual(result.returncode, 0, result.stderr)
+        self.assertEqual(result.stdout.strip(), "50000000 50000000")
+
+    def test_older_configuration_keeps_default_pixel_limit(self):
+        result = self.load_generators("del ANNOTATION_MAX_PIXELS\n", "MAX_PIXELS")
+        self.assertEqual(result.returncode, 0, result.stderr)
+        self.assertEqual(result.stdout.strip(), "67108864 67108864")
+
+    def test_invalid_pixel_limits_are_rejected(self):
+        for value in ("0", "-1", "1.5", "True", "'67108864'"):
+            with self.subTest(value=value):
+                result = self.load_generators(f"ANNOTATION_MAX_PIXELS = {value}\n")
+                self.assertNotEqual(result.returncode, 0)
+                self.assertIn("ANNOTATION_MAX_PIXELS must be a positive integer", result.stderr)