From c63503be9786e71a6334c91f04abf7f9762a581c Mon Sep 17 00:00:00 2001
From: Bastien Nocera <hadess@hadess.net>
Date: Mon, 31 Jan 2022 10:41:25 +0100
Subject: [PATCH] tests: Add test to detect CPUs without Turbo support

Reproduces the hardware mentioned in
https://gitlab.freedesktop.org/hadess/power-profiles-daemon/-/issues/75
---
 tests/integration-test.py | 25 +++++++++++++++++++++++++
 1 file changed, 25 insertions(+)

diff --git a/tests/integration-test.py b/tests/integration-test.py
index 247ae8d..8406b6c 100755
--- a/tests/integration-test.py
+++ b/tests/integration-test.py
@@ -794,6 +794,31 @@ class Tests(dbusmock.DBusTestCase):
 
       self.stop_daemon()
 
+    def test_intel_pstate_noturbo(self):
+      '''Intel P-State driver (balance)'''
+
+      # Create CPU with preference
+      dir1 = os.path.join(self.testbed.get_root_dir(), "sys/devices/system/cpu/cpufreq/policy0/")
+      os.makedirs(dir1)
+      with open(os.path.join(dir1, "energy_performance_preference"),'w') as prefs:
+        prefs.write("performance\n")
+
+      # Create no_turbo pref with turbo_pct
+      pstate_dir = os.path.join(self.testbed.get_root_dir(), "sys/devices/system/cpu/intel_pstate")
+      os.makedirs(pstate_dir)
+      with open(os.path.join(pstate_dir, "no_turbo"),'w') as no_turbo:
+        no_turbo.write("1\n")
+      with open(os.path.join(pstate_dir, "turbo_pct"),'w') as no_turbo:
+        no_turbo.write("0\n")
+
+      self.start_daemon()
+
+      profiles = self.get_dbus_property('Profiles')
+      self.assertEqual(len(profiles), 3)
+      self.assertEqual(self.get_dbus_property('PerformanceDegraded'), 'high-operating-temperature')
+
+      self.stop_daemon()
+
     def test_powerprofilesctl_error(self):
       '''Check that powerprofilesctl returns 1 rather than an exception on error'''