Config : annotation max height.

tests/test_annotation_height_config.py

@@ -0,0 +1,40 @@
+"""The personal configuration controls both annotation generators."""
+import os
+from pathlib import Path
+import subprocess
+import sys
+import tempfile
+import unittest
+
+
+class AnnotationHeightConfigTests(unittest.TestCase):
+    def load_generators(self, setting):
+        with tempfile.TemporaryDirectory() as directory:
+            config = Path(directory) / "config.py"
+            config.write_text("from default_config import *\n" + setting, encoding="utf-8")
+            return subprocess.run(
+                [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)"],
+                cwd=Path(__file__).resolve().parents[1],
+                env={**os.environ, "COPIENATOR_CONFIG": str(config)},
+                capture_output=True, text=True, check=False,
+            )
+
+    def test_custom_height_reaches_both_generators(self):
+        result = self.load_generators("ANNOTATION_MAX_HEIGHT_PX = 16000\n")
+        self.assertEqual(result.returncode, 0, result.stderr)
+        self.assertEqual(result.stdout.strip(), "16000 16000")
+
+    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")
+
+    def test_invalid_heights_are_rejected(self):
+        for value in ("0", "-1", "1.5", "True", "'32000'"):
+            with self.subTest(value=value):
+                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)