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tests: Add test for available sampling frequencies

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Add 2 tests for parsing the *sampling_frequency_available sysfs attribute
and then picking the closest supported value higher then the desired 10 Hz:

1: Check whether the sampling frequency gets corrected to >= 10Hz,
   integer numbers sorted low to high

2: Check whether the sampling frequency gets corrected to >= 10Hz,
   double numbers sorted high to low
This commit is contained in:
Bastien Nocera
2023-04-18 18:13:31 +02:00
parent b888499f50
commit 48cb957c41
1 changed files with 40 additions and 0 deletions
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40
tests/integration-test.py
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@@ -643,6 +643,46 @@ class Tests(dbusmock.DBusTestCase):
self.stop_daemon() self.stop_daemon()
def test_sampling_freq_available_integer(self):
'Check whether the sampling frequency gets corrected to >= 10Hz, integer numbers sorted low to high'
accel = self.testbed.add_device('iio', 'iio-accel', None,
['in_accel_x_raw', '0',
'in_accel_y_raw', '-256000000',
'in_accel_z_raw', '0',
'in_accel_scale', '0.000001',
'sampling_frequency', '5.2',
# Real world example taken from LSM303DA accelerometer
'sampling_frequency_available', '3 6 12 25 50 100 200 400 800 1600',
'name', 'IIO Test Accelerometer'],
['NAME', '"IIO Accelerometer"',
'IIO_SENSOR_PROXY_TYPE', 'iio-poll-accel']
)
self.start_daemon()
self.assertEqual(self.get_dbus_property('HasAccelerometer'), True)
self.assertEqual(self.read_sysfs_attr(accel, 'sampling_frequency'), b'12')
self.stop_daemon()
def test_sampling_freq_available_double(self):
'Check whether the sampling frequency gets corrected to >= 10Hz, double numbers sorted high to low'
accel = self.testbed.add_device('iio', 'iio-accel', None,
['in_accel_x_raw', '0',
'in_accel_y_raw', '-256000000',
'in_accel_z_raw', '0',
'in_accel_scale', '0.000001',
'sampling_frequency', '5.2',
# Real world example taken from drivers/iio/accel/mma8452.c
'sampling_frequency_available', '800.000000 400.000000 200.000000 100.000000 50.000000 12.500000 6.250000 1.560000',
'name', 'IIO Test Accelerometer'],
['NAME', '"IIO Accelerometer"',
'IIO_SENSOR_PROXY_TYPE', 'iio-poll-accel']
)
self.start_daemon()
self.assertEqual(self.get_dbus_property('HasAccelerometer'), True)
self.assertEqual(self.read_sysfs_attr(accel, 'sampling_frequency'), b'12.5')
self.stop_daemon()
def test_iio_scale_decimal_separator2(self): def test_iio_scale_decimal_separator2(self):
'''scale decimal separator polling''' '''scale decimal separator polling'''
accel = self.testbed.add_device('iio', 'iio-accel', None, accel = self.testbed.add_device('iio', 'iio-accel', None,