def test_plugin_for_address(test_plugin):
# Get by protocol
assert isinstance(plugin_for_address('tst://tst:this'),
test_plugin)
assert plugin_for_address('tst:this') is None
# Default protocol
config.DEFAULT_PROTOCOL = 'tst'
assert isinstance(plugin_for_address('tst:this'),
test_plugin)
def test_plugin_for_address(test_plugin):
# Get by protocol
assert isinstance(plugin_for_address('tst://tst:this'),
test_plugin)
assert plugin_for_address('tst:this') is None
# Default protocol
config.DEFAULT_PROTOCOL = 'tst'
assert isinstance(plugin_for_address('tst:this'),
test_plugin)
def test_pydm_connection(test_plugin):
# Plugin, Channel and Registry
chan = PyDMChannel('tst://Tst:this')
plugin = plugin_for_address(chan.address)
plugin_no = len(plugin.connections)
# Make a connection
chan.connect()
assert len(plugin.connections) == plugin_no + 1
# Remove connections
chan.disconnect()
assert len(plugin.connections) == plugin_no
def __init__(self, parent=None, init_channel=None, replace=None):
QListWidget.__init__(self, parent)
PyDMWidget.__init__(self, init_channel=init_channel)
self._buffer_size = 1000
self._prepend_date_time = True
self._display_format_type = DisplayFormat.String
self._string_encoding = "utf_8"
self._date_time_fmt = '%Y/%m/%d-%H:%M:%S'
self._replace = list() if replace is None else replace
channel = '' if init_channel is None else init_channel
self._plugin_conns = plugin_for_address(channel).connections
def disconnect(self, destroying=False):
"""
Disconnect a PyDMChannel
"""
if is_qt_designer() and not config.DESIGNER_ONLINE:
return
try:
plugin = plugin_for_address(self.address)
if not plugin:
return
plugin.remove_connection(self, destroying=destroying)
except Exception as exc:
logger.exception("Unable to remove connection " "for %r", self)
def connect(self):
"""
Connect a PyDMChannel to the proper PyDMPlugin
"""
if is_qt_designer() and not config.DESIGNER_ONLINE:
return
logger.debug("Connecting %r", self.address)
# Connect to proper PyDMPlugin
try:
plugin = plugin_for_address(self.address)
plugin.add_connection(self)
except Exception:
logger.exception("Unable to make proper connection "
"for %r", self)
def reset_signal_plugin():
"""
Completely restart the sig:// plugin.
After the restart, there will be no open SignalConnection objects
and nothing in the signal registry.
Some tests are easier to express by repeating signal names, which
will cause the signal plugin to ignore the new devices in favor of
the previously saved devices, which are no longer available to be
manipulated or tested.
"""
signal_registry.clear()
plugin = plugin_for_address('sig://test')
for channel in list(plugin.channels):
channel.disconnect()
def test_pydm_connection(test_plugin):
# Plugin, Channel and Registry
chan = PyDMChannel('tst://Tst:this3')
plugin = plugin_for_address(chan.address)
plugin_no = len(plugin.connections)
print('Connections Before:')
for k, v in plugin.connections.items():
print('\t', k, ' - ', v)
# Make a connection
chan.connect()
print('Connections After:')
for k, v in plugin.connections.items():
print('\t', k, ' - ', v)
assert len(plugin.connections) == plugin_no + 1
# Remove connections
chan.disconnect()
assert len(plugin.connections) == plugin_no