def test_disconnect_item_with_callback(self):
b1 = Box()
b2 = Box()
l = Line()
c = Canvas()
c.add(b1)
c.add(b2)
c.add(l)
events = []
def callback():
events.append('called')
c.connect_item(l, l.handles()[0], b1, b1.ports()[0], callback=callback)
assert count(c.get_connections(handle=l.handles()[0])) == 1
c.disconnect_item(l, l.handles()[0])
assert count(c.get_connections(handle=l.handles()[0])) == 0
assert events == ['called']
def test_disconnect_item_with_constraint():
b1 = Box()
b2 = Box()
line = Line()
c = Canvas()
c.add(b1)
c.add(b2)
c.add(line)
cons = b1.ports()[0].constraint(c, line, line.handles()[0], b1)
c.connect_item(line, line.handles()[0], b1, b1.ports()[0], constraint=cons)
assert count(c.get_connections(handle=line.handles()[0])) == 1
assert len(c.solver.constraints) == 13
c.disconnect_item(line, line.handles()[0])
assert count(c.get_connections(handle=line.handles()[0])) == 0
assert len(c.solver.constraints) == 12
def test_disconnect_item_with_callback():
b1 = Box()
b2 = Box()
line = Line()
c = Canvas()
c.add(b1)
c.add(b2)
c.add(line)
events = []
def callback():
events.append("called")
c.connect_item(line, line.handles()[0], b1, b1.ports()[0], callback=callback)
assert count(c.get_connections(handle=line.handles()[0])) == 1
c.disconnect_item(line, line.handles()[0])
assert count(c.get_connections(handle=line.handles()[0])) == 0
assert events == ["called"]
def test_disconnect_item_with_callback(self):
b1 = Box()
b2 = Box()
l = Line()
c = Canvas()
c.add(b1)
c.add(b2)
c.add(l)
events = []
def callback():
events.append('called')
c.connect_item(l, l.handles()[0], b1, b1.ports()[0], callback=callback)
assert count(c.get_connections(handle=l.handles()[0])) == 1
c.disconnect_item(l, l.handles()[0])
assert count(c.get_connections(handle=l.handles()[0])) == 0
assert events == ['called']
def test_disconnect_item_with_callback():
b1 = Box()
b2 = Box()
line = Line()
c = Canvas()
c.add(b1)
c.add(b2)
c.add(line)
events = []
def callback():
events.append("called")
c.connect_item(line, line.handles()[0], b1, b1.ports()[0], callback=callback)
assert count(c.get_connections(handle=line.handles()[0])) == 1
c.disconnect_item(line, line.handles()[0])
assert count(c.get_connections(handle=line.handles()[0])) == 0
assert events == ["called"]
def test_disconnect_item_with_constraint(self):
b1 = Box()
b2 = Box()
l = Line()
c = Canvas()
c.add(b1)
c.add(b2)
c.add(l)
cons = b1.ports()[0].constraint(c, l, l.handles()[0], b1)
c.connect_item(l, l.handles()[0], b1, b1.ports()[0], constraint=cons)
assert count(c.get_connections(handle=l.handles()[0])) == 1
ncons = len(c.solver.constraints)
assert ncons == 5
c.disconnect_item(l, l.handles()[0])
assert count(c.get_connections(handle=l.handles()[0])) == 0
assert len(c.solver.constraints) == 4
def test_disconnect_item_with_constraint(self):
b1 = Box()
b2 = Box()
l = Line()
c = Canvas()
c.add(b1)
c.add(b2)
c.add(l)
cons = b1.ports()[0].constraint(c, l, l.handles()[0], b1)
c.connect_item(l, l.handles()[0], b1, b1.ports()[0], constraint=cons)
assert count(c.get_connections(handle=l.handles()[0])) == 1
ncons = len(c.solver.constraints)
assert ncons == 5
c.disconnect_item(l, l.handles()[0])
assert count(c.get_connections(handle=l.handles()[0])) == 0
assert len(c.solver.constraints) == 4
