Hide timings after /system clear

changelog.md

@@ -4,6 +4,7 @@ Upcoming (TBD)
 Features
 --------
 * Add `/ping` special command.
+* Hide timings after `/system clear`.
 
 
 Documentation

mycli/packages/special/iocommands.py

@@ -787,8 +787,9 @@ def execute_system_command(arg: str, **_) -> list[SQLResult]:
             completed_process = subprocess.run(command, check=False)
             if completed_process.returncode:
                 return [SQLResult(status=f'Command exited with return code {completed_process.returncode}')]
-            else:
-                return [SQLResult()]
+            if command[0].lower() == 'clear':
+                return []
+            return [SQLResult()]
         else:
             process = subprocess.Popen(command, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
             try:

test/pytests/test_special_iocommands.py

@@ -1491,6 +1491,7 @@ def raise_value_error(*_args, **_kwargs):
     [
         ('-r echo ok', 0, None),
         ('vim file.sql', 1, 'Command exited with return code 1'),
+        ('clear', 1, 'Command exited with return code 1'),
     ],
 )
 def test_execute_system_command_raw_modes(
@@ -1512,6 +1513,20 @@ def fake_run(cmd: list[str], check: bool = False) -> SimpleNamespace:
     assert result.status == expected_status
 
 
+@pytest.mark.parametrize('command', ['clear', 'CLEAR', '-r clear'])
+def test_execute_system_clear_returns_no_result(monkeypatch, command: str) -> None:
+    calls: list[list[str]] = []
+
+    def fake_run(cmd: list[str], check: bool = False) -> SimpleNamespace:
+        calls.append(cmd)
+        return SimpleNamespace(returncode=0)
+
+    monkeypatch.setattr(iocommands.subprocess, 'run', fake_run)
+
+    assert iocommands.execute_system_command(command) == []
+    assert calls == [[part for part in command.split() if part != '-r']]
+
+
 def test_execute_system_command_nonraw_paths(monkeypatch) -> None:
     monkeypatch.setattr(iocommands.locale, 'getpreferredencoding', lambda do_setlocale: 'utf-8')