feat: toggle all-certs view with A key (load_all_certs, Action.TOGGLE_ALL)

tests/test_main_screen.py

@@ -282,3 +282,44 @@ def test_empty_cert_list_quit():
     keys = [ord("q")]
     result = _run(keys, certs=[])
     assert result.action == Action.EXIT
+
+
+# ---------------------------------------------------------------------------
+# A / a → TOGGLE_ALL
+# ---------------------------------------------------------------------------
+
+def test_a_lowercase_returns_toggle_all():
+    result = _run([ord("a")])
+    assert result.action == Action.TOGGLE_ALL
+
+
+def test_A_uppercase_returns_toggle_all():
+    result = _run([ord("A")])
+    assert result.action == Action.TOGGLE_ALL
+
+
+def test_toggle_all_with_no_certs():
+    """A works even when the cert list is empty."""
+    result = _run([ord("a")], certs=[])
+    assert result.action == Action.TOGGLE_ALL
+
+
+def test_show_all_flag_passed_through_to_header():
+    """show_all=True causes 'ALL certs' to appear in the header addstr call."""
+    stdscr = _make_stdscr()
+    stdscr.getch.side_effect = [ord("q")]
+    with patch("openvpncertupdate.init_colors"):
+        show_main_screen(stdscr, _CERTS, show_all=True)
+    # The header addstr call (row 0) should contain 'ALL certs'
+    calls = [str(c) for c in stdscr.addstr.call_args_list]
+    assert any("ALL certs" in c for c in calls)
+
+
+def test_show_all_false_header_shows_expiring():
+    """show_all=False (default) shows 'expiring/expired' in the header."""
+    stdscr = _make_stdscr()
+    stdscr.getch.side_effect = [ord("q")]
+    with patch("openvpncertupdate.init_colors"):
+        show_main_screen(stdscr, _CERTS)
+    calls = [str(c) for c in stdscr.addstr.call_args_list]
+    assert any("expiring/expired" in c for c in calls)