Move filtered_sys_argv() to new cli_utils.py

mycli/main.py

@@ -90,7 +90,7 @@
 from mycli.main_modes.list_dsn import main_list_dsn
 from mycli.main_modes.list_ssh_config import main_list_ssh_config
 from mycli.packages import special
-from mycli.packages.cli_utils import is_valid_connection_scheme
+from mycli.packages.cli_utils import filtered_sys_argv, is_valid_connection_scheme
 from mycli.packages.filepaths import dir_path_exists, guess_socket_location
 from mycli.packages.hybrid_redirection import get_redirect_components, is_redirect_command
 from mycli.packages.prompt_utils import confirm, confirm_destructive_query
@@ -2706,13 +2706,6 @@ def edit_and_execute(event: KeyPressEvent) -> None:
     buff.open_in_editor(validate_and_handle=False)
 
 
-def filtered_sys_argv() -> list[str]:
-    args = sys.argv[1:]
-    if args == ['-h']:
-        args = ['--help']
-    return args
-
-
 def main() -> int | None:
     try:
         result = click_entrypoint.main(

mycli/packages/cli_utils.py

@@ -1,5 +1,14 @@
 from __future__ import annotations
 
+import sys
+
+
+def filtered_sys_argv() -> list[str]:
+    args = sys.argv[1:]
+    if args == ['-h']:
+        args = ['--help']
+    return args
+
 
 def is_valid_connection_scheme(text: str) -> tuple[bool, str | None]:
     # exit early if the text does not resemble a DSN URI

test/pytests/test_cli_utils.py

@@ -2,11 +2,26 @@
 
 import pytest
 
+from mycli.packages import cli_utils
 from mycli.packages.cli_utils import (
+    filtered_sys_argv,
     is_valid_connection_scheme,
 )
 
 
+@pytest.mark.parametrize(
+    ('argv', 'expected'),
+    [
+        (['mycli', '-h'], ['--help']),
+        (['mycli', '-h', 'example.com'], ['-h', 'example.com']),
+    ],
+)
+def test_filtered_sys_argv(monkeypatch, argv, expected):
+    monkeypatch.setattr(cli_utils.sys, 'argv', argv)
+
+    assert filtered_sys_argv() == expected
+
+
 @pytest.mark.parametrize(
     ('text', 'is_valid', 'invalid_scheme'),
     [