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from evemu.testing import testcase
from multiprocessing import Process, Queue, Event
import evemu
import os
import re
import tempfile
import unittest
def record(recording_started, device_node, q):
"""
Runs the recorder in a separate process because the evemu API is a
blocking API.
"""
device = evemu.Device(device_node)
with tempfile.TemporaryFile() as event_file:
recording_started.set()
device.record(event_file, 1000)
event_file.flush()
event_file.seek(0)
outdata = event_file.readlines()
q.put(outdata)
class DeviceActionTestCase(testcase.BaseTestCase):
"""
Verifies the high-level Device functions (create, describe, play, record).
"""
def test_construct_from_dev_node_name(self):
"""
Verifies a Device can be constructed from an existing input device node
name.
"""
d = evemu.Device("/dev/input/event10")
def test_construct_from_dev_node_file(self):
"""
Verifies a Device can be constructed from an existing input device node
file object.
"""
d = evemu.Device(open("/dev/input/event10"))
def test_construct_from_prop_file_name(self):
"""
Verifies a device can be constructed from an evemu prop file name.
"""
d = evemu.Device(self.get_device_file())
def test_construct_from_prop_file_file(self):
"""
Verifies a device can be constructed from an evemu prop file file
object.
"""
d = evemu.Device(open(self.get_device_file()))
def test_describe(self):
"""
Verifies that a device description can be correctly extracted from a
Device.
"""
# Get original description
with open(self.get_device_file()) as f:
data = f.readlines()
# Create a pseudo device with that description
d = evemu.Device(self.get_device_file())
# get the description to a temporary file
with tempfile.TemporaryFile() as t:
d.describe(t)
# read in the temporary file and compare to the original
t.flush()
t.seek(0)
newdata = t.readlines()
self.assertEquals(data, newdata)
def test_play_and_record(self):
"""
Verifies that a Device and play back prerecorded events.
"""
device = evemu.Device(self.get_device_file())
devnode = device.devnode
events_file = self.get_events_file()
with open(events_file) as e:
indata = e.readlines()
recording_started = Event()
q = Queue()
record_process = Process(target=record,
args=(recording_started, devnode, q))
record_process.start()
recording_started.wait(100)
device.play(open(events_file))
outdata = q.get()
record_process.join()
self.assertEquals(len(indata), len(outdata))
fuzz = re.compile("E: \d+\.\d+ (.*)")
for i in range(len(indata)):
lhs = fuzz.match(indata[i])
self.assertTrue(lhs)
rhs = fuzz.match(outdata[i])
self.assertTrue(rhs)
self.assertEquals(lhs.group(1), rhs.group(1))
class DevicePropertiesTestCase(testcase.BaseTestCase):
"""
Verifies the workings of the various device property accessors.
"""
def setUp(self):
super(DevicePropertiesTestCase, self).setUp()
self._device = evemu.Device(self.get_device_file())
def tearDown(self):
del self._device
super(DevicePropertiesTestCase, self).tearDown()
def test_version(self):
self.assertEqual(self._device.version, 0)
def test_name(self):
self.assertEqual(self._device.name, "N-Trig-MultiTouch-Virtual-Device")
def test_id_bustype(self):
self.assertEqual(self._device.id_bustype, 3)
def test_id_vendor(self):
self.assertEqual(hex(self._device.id_vendor), "0x1b96")
def test_id_product(self):
self.assertEqual(self._device.id_product, 1)
def test_id_version(self):
self.assertEqual(self._device.id_version, 272)
def test_get_abs_minimum(self):
expected = [
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
]
results = [self._device.get_abs_minimum(x)
for x in evemu.const.absolute_axes.values()]
self.assertEqual(results, expected)
def test_get_abs_maximum(self):
expected = [
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 9600, 7200, 0, 0, 0, 0,
7200, 1, 7200, 0, 9600, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 9600,
0, 0,
]
# Skipping the entry for ABS_CNT; some times it's 0, sometimes a very
# large negative number.
results = [self._device.get_abs_maximum(x)
for x in evemu.const.absolute_axes.values()]
self.assertEqual(results[:-1], expected[:-1])
def test_get_abs_fuzz(self):
expected = [
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 75, 78, 0, 0, 0, 0, 150,
0, 78, 0, 75, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 200, 0, 0,
]
results = [self._device.get_abs_fuzz(x)
for x in evemu.const.absolute_axes.values()]
self.assertEqual(results, expected)
def test_get_abs_flat(self):
expected = [
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
]
results = [self._device.get_abs_flat(x)
for x in evemu.const.absolute_axes.values()]
self.assertEqual(results, expected)
def test_get_abs_resolution(self):
expected = [
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
]
results = [self._device.get_abs_resolution(x)
for x in evemu.const.absolute_axes.values()]
self.assertEqual(results, expected)
def test_has_prop(self):
expected = [
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
]
results = [self._device.has_prop(x)
for x in evemu.const.absolute_axes.values()]
self.assertEqual(results, expected)
def test_has_event_ev_abs(self):
expected = [
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 1, 1,
1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0,
]
results = [self._device.has_event(evemu.const.event_types["EV_ABS"], x)
for x in evemu.const.absolute_axes.values()]
self.assertEqual(results, expected)
def test_has_event_ev_key(self):
expected = [
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
]
results = [self._device.has_event(evemu.const.event_types["EV_KEY"], x)
for x in evemu.const.buttons.values()]
self.assertEqual(results, expected)
if __name__ == "__main__":
unittest.main()
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