def test_compatible(self):
bridge = Bridge()
assert bridge.compatible(Component.from_string('0/1'))
assert not bridge.compatible(Component.from_string('1/1'))
bridge = bridge.add(Component.from_string('0/1'))
assert bridge.compatible(Component.from_string('2/1'))
assert bridge.compatible(Component.from_string('1/2'))
def test_str(self):
component = Component.from_string('0/1')
assert str(component) == '0/1'
def test_two_parallel(self):
assert set(map(str, Bridge._all_bridges_from_components([
Component.from_string('0/1'), Component.from_string('0/2')]))) == \
{'0/1', '0/2'}
def test_single_incompatible(self):
assert set(map(str, Bridge._all_bridges_from_components([
Component.from_string('1/1')]))) == set()
def test_single(self):
assert set(map(str, Bridge._all_bridges_from_components([
Component.from_string('0/1')]))) == {'0/1'}
def test_from_string(self):
component = Component.from_string('0/1')
assert component.ports == [0, 1]
assert component._available_ports == [0, 1]
def test_str(self):
bridge = Bridge()
bridge = bridge.add(Component.from_string('0/1'))
bridge = bridge.add(Component.from_string('10/1'))
assert str(bridge) == '0/1--10/1'