ROB: Tests: Test for unencodable text annotation values

Author: PJBrs

tests/test_writer.py

@@ -1506,7 +1506,7 @@ def test_named_dest_page_number():
     assert len(writer.root_object["/Names"]["/Dests"]["/Names"]) == 6
 
 
-def test_update_form_fields(tmp_path):
+def test_update_form_fields(caplog, tmp_path):
     write_data_here = tmp_path / "out.pdf"
     writer = PdfWriter(clone_from=RESOURCE_ROOT / "FormTestFromOo.pdf")
     writer.update_page_form_field_values(
@@ -1572,10 +1572,11 @@ def test_update_form_fields(tmp_path):
     del writer.root_object["/AcroForm"]["/Fields"][1].get_object()["/DR"]["/Font"]
     writer.update_page_form_field_values(
         [writer.pages[0], writer.pages[1]],
-        {"Text1": "my Text1", "Text2": "ligne1\nligne2\nligne3"},
+        {"Text1": "!مرحبا بالعالم", "Text2": "ligne1\nligne2\nligne3"},
         auto_regenerate=False,
     )
     assert b"/Helv " in writer.pages[1]["/Annots"][1]["/AP"]["/N"].get_data()
+    assert "Text string '!مرحبا بالعالم' contains characters not supported by font encoding." in caplog.text
     writer.update_page_form_field_values(
         None,
         {"Text1": "my Text1", "Text2": "ligne1\nligne2\nligne3"},
@@ -1646,7 +1647,7 @@ def test_merge_content_stream_to_page():
 
 
 @pytest.mark.enable_socket
-def test_update_form_fields2():
+def test_update_form_fields2(caplog):
     my_files = {
         "test1": {
             "name": "Test1 Form",
@@ -1679,7 +1680,7 @@ def test_update_form_fields2():
                     "Initial": "JSS",
                     # "p2 I DO NOT Agree": "null",
                     "p2 Last Name": "Smith",
-                    "p3 First Name": "John",
+                    "p3 First Name": "عبدالله",
                     "p3 Middle Name": "R",
                     "p3 MM": "01",
                     "p3 DD": "25",
@@ -1718,12 +1719,13 @@ def test_update_form_fields2():
         "test2.Initial": "JSS",
         "test2.p2 I DO NOT Agree": None,
         "test2.p2 Last Name": "Smith",
-        "test2.p3 First Name": "John",
+        "test2.p3 First Name": "عبدالله",
         "test2.p3 Middle Name": "R",
         "test2.p3 MM": "01",
         "test2.p3 DD": "25",
         "test2.p3 YY": "21",
     }
+    assert "Text string 'عبدالله' contains characters not supported by font encoding." in caplog.text
 
 
 @pytest.mark.enable_socket