test(commit): add negative test cases for --write-message-to-file option

Author: crai0

tests/commands/test_commit_command.py

@@ -12,6 +12,7 @@
     NoAnswersError,
     NoCommitBackupError,
     NotAGitProjectError,
+    NotAllowed,
     NothingToCommitError,
 )
 
@@ -135,6 +136,27 @@ def test_commit_command_with_write_message_to_file_option(
     assert tmp_file.read_text() == "feat: user created"
 
 
+@pytest.mark.usefixtures("staging_is_clean")
+@pytest.mark.parametrize("message_file", [True, False, 0, 1])
+def test_commit_command_with_invalid_write_message_to_file_option(
+    config, message_file, mocker: MockFixture
+):
+    prompt_mock = mocker.patch("questionary.prompt")
+    prompt_mock.return_value = {
+        "prefix": "feat",
+        "subject": "user created",
+        "scope": "",
+        "is_breaking_change": False,
+        "body": "",
+        "footer": "",
+    }
+
+    with pytest.raises(NotAllowed):
+        print(isinstance(message_file, str))
+        commit_cmd = commands.Commit(config, {"write_message_to_file": message_file})
+        commit_cmd()
+
+
 @pytest.mark.usefixtures("staging_is_clean")
 def test_commit_command_with_signoff_option(config, mocker: MockFixture):
     prompt_mock = mocker.patch("questionary.prompt")