test: Add a 'make qcheck' target for quicker testing

[oweals/u-boot.git] / test / py / tests / test_sleep.py

diff --git a/test/py/tests/test_sleep.py b/test/py/tests/test_sleep.py
index 64f1ddf9a09f4e59952b333ed83f863326348647..b69edf26ef0761ff434792e147e46aaba7aa6677 100644 (file)
--- a/test/py/tests/test_sleep.py
+++ b/test/py/tests/test_sleep.py
@@ -1,24 +1,35 @@
-# Copyright (c) 2016, NVIDIA CORPORATION. All rights reserved.
-#
 # SPDX-License-Identifier: GPL-2.0
+# Copyright (c) 2016, NVIDIA CORPORATION. All rights reserved.
 
 import pytest
 import time
 
+"""
+Note: This test doesn't rely on boardenv_* configuration values but they can
+change test behavior.
+
+# Setup env__sleep_accurate to False if time is not accurate on your platform
+env__sleep_accurate = False
+
+"""
+
 def test_sleep(u_boot_console):
-    '''Test the sleep command, and validate that it sleeps for approximately
-    the correct amount of time.'''
+    """Test the sleep command, and validate that it sleeps for approximately
+    the correct amount of time."""
 
-    # Do this before we time anything, to make sure U-Boot is already running.
-    # Otherwise, the system boot time is included in the time measurement.
-    u_boot_console.ensure_spawned()
+    sleep_skip = u_boot_console.config.env.get('env__sleep_accurate', True)
+    if not sleep_skip:
+        pytest.skip('sleep is not accurate')
 
+    if u_boot_console.config.buildconfig.get('config_cmd_misc', 'n') != 'y':
+        pytest.skip('sleep command not supported')
     # 3s isn't too long, but is enough to cross a few second boundaries.
     sleep_time = 3
     tstart = time.time()
     u_boot_console.run_command('sleep %d' % sleep_time)
     tend = time.time()
     elapsed = tend - tstart
-    delta_to_expected = abs(elapsed - sleep_time)
-    # 0.25s margin is hopefully enough to account for any system overhead.
-    assert delta_to_expected < 0.25
+    assert elapsed >= (sleep_time - 0.01)
+    if not u_boot_console.config.gdbserver:
+        # 0.25s margin is hopefully enough to account for any system overhead.
+        assert elapsed < (sleep_time + 0.25)