def test_set(node):
ch = node.get_channel(0)
ch.set(n0_0='pretzel')
assert 'pretzel' == ch.get('n0_0')
ch = node.get_channel((1, 'c'))
ch.set(n1c_0=12, n1c_2=False, n1c_1='jinkies')
assert {'n1c_0': 12, 'n1c_1': 'jinkies', 'n1c_2': False} == ch.get()
def test_get_by_attribute(node):
# Channel.get method returns all attribute values if none are specified,
# otherwise returns only the values requested
ch = node.get_channel(0)
assert 4 == ch.n0_0
ch = node.get_channel('b')
assert 0x3 == ch.b_0
assert 'b1val' == ch.b_1
def test_get(node):
# Channel.get method returns all attribute values if none are specified,
# otherwise returns only the values requested
ch = node.get_channel(0)
assert {'n0_0': 4} == ch.get()
assert 4 == ch.get('n0_0')
ch = node.get_channel('b')
assert {'b_0': 0x3, 'b_1': 'b1val'} == ch.get()
assert 'b1val' == ch.get('b_1')
assert {'b_0': 0x3, 'b_1': 'b1val'} == ch.get('b_1', 'b_0')
def test_set_by_attribute(node):
ch = node.get_channel(0)
ch.n0_0 = 'pretzel'
assert 'pretzel' == ch.get('n0_0')
ch = node.get_channel((1, 'c'))
ch.n1c_1 = False
assert {'n1c_0': False, 'n1c_1': False, 'n1c_2': '1c2val'} == ch.get()
# assignment of new python attributes is not broken
ch.dne = 'not in list'
assert 'not in list' == ch.dne
def test_get_channel(node):
"""Check getting a Channel instance from a node."""
# get a channel with simple name
ch = node.get_channel(0) # get an existing Channel
assert isinstance(ch, Channel)
# get a channel with tuple name
ch = node.get_channel((1, 'c'))
assert isinstance(ch, Channel)
with pytest.raises(KeyError): # raise a KeyError if channel does not exist
node.get_channel('dne')
def test_representations(node):
"""Check the string and repr results."""
ch = node.get_channel(0)
assert 'Channel<MockNode:0>' == str(ch)
assert 'Channel<MockNodeRepr:0>' == repr(ch)
ch = node.get_channel('b')
assert 'Channel<MockNode:b>' == str(ch)
assert 'Channel<MockNodeRepr:b>' == repr(ch)
ch = node.get_channel((1, 'c'))
assert "Channel<MockNode:(1, 'c')>" == str(ch)
assert "Channel<MockNodeRepr:(1, 'c')>" == repr(ch)