def _connect(self):
self.driver = BarsInstrumentDriver()
driver = self.driver
self.assertEqual(DriverState.UNCONFIGURED, driver.get_current_state())
# initialize
result = driver.initialize([BarsChannel.INSTRUMENT])
self.assertEqual(DriverState.UNCONFIGURED, driver.get_current_state())
print "driver state = %s" % str(driver.get_current_state())
# configure
configs = {BarsChannel.INSTRUMENT: self.config}
result = driver.configure(configs)
self.assertEqual(DriverState.DISCONNECTED, driver.get_current_state())
print "driver state = %s" % str(driver.get_current_state())
# connect
result = driver.connect([BarsChannel.INSTRUMENT])
print "connect result = %s" % str(result)
self._assert_auto_sample()
print "sleeping for a bit to see data streaming"
time.sleep(4)
class DriverTest(BarsTestCase):
def _connect(self):
self.driver = BarsInstrumentDriver()
driver = self.driver
self.assertEqual(DriverState.UNCONFIGURED, driver.get_current_state())
# initialize
result = driver.initialize([BarsChannel.INSTRUMENT])
self.assertEqual(DriverState.UNCONFIGURED, driver.get_current_state())
print "driver state = %s" % str(driver.get_current_state())
# configure
configs = {BarsChannel.INSTRUMENT: self.config}
result = driver.configure(configs)
self.assertEqual(DriverState.DISCONNECTED, driver.get_current_state())
print "driver state = %s" % str(driver.get_current_state())
# connect
result = driver.connect([BarsChannel.INSTRUMENT])
print "connect result = %s" % str(result)
self._assert_auto_sample()
print "sleeping for a bit to see data streaming"
time.sleep(4)
def _disconnect(self):
print "disconnecting"
driver = self.driver
result = driver.disconnect([BarsChannel.INSTRUMENT])
self.assertEqual(DriverState.DISCONNECTED, driver.get_current_state())
print "driver state = %s" % str(driver.get_current_state())
def test_connect_disconnect(self):
self._connect()
self._disconnect()
def _get(self, params):
driver = self.driver
result = driver.get(params)
print "get result = %s" % str(result)
assert isinstance(result, dict)
self._assert_auto_sample()
return result
def test_get(self):
self._connect()
cp = (BarsChannel.INSTRUMENT, BarsParameter.TIME_BETWEEN_BURSTS)
params = [cp]
result = self._get(params)
seconds = result.get(cp)
assert isinstance(seconds, int)
time.sleep(1)
self._disconnect()
def test_get_set(self):
self._connect()
cp = (BarsChannel.INSTRUMENT, BarsParameter.TIME_BETWEEN_BURSTS)
params = [cp]
result = self._get(params)
seconds = result.get(cp)
assert isinstance(seconds, int)
driver = self.driver
new_seconds = seconds + 5
if new_seconds > 30 or new_seconds < 15:
new_seconds = 15
# get a parameter
result = driver.set({cp: new_seconds})
print "set result = %s" % str(result)
code = result.get(cp)
InstErrorCode.is_ok(code)
self._assert_auto_sample()
result = self._get(params)
seconds = result.get(cp)
self.assertEqual(new_seconds, seconds)
time.sleep(1)
self._disconnect()
def _assert_auto_sample(self):
"""asserts AUTOSAMPLE state"""
curr_state = self.driver.get_current_state()
self.assertEqual(DriverState.AUTOSAMPLE, curr_state)
print "driver state = %s" % str(curr_state)