class TestAdvancedBag(unittest.TestCase):
def setUp(self):
self.bag = Bag()
self.bag.setBackRef()
self.bag["a.b.c.d"] = 4
self.bag["a.b.e"] = 5
def testparent(self):
self.assertEqual(self.bag["a.b.c"].parent, self.bag["a.b"])
c = self.bag["a.b.c"]
self.assertEqual(c["../e"], 5)
self.bag["a.b"].delParentRef()
self.assertFalse(self.bag["a.b"].backref)
def testformula(self):
self.bag["product"] = self.bag.formula("$x*$y", x="a.b.c.d", y="a.b.e")
self.assertEqual(self.bag["product"], self.bag["a.b.c.d"] * self.bag["a.b.e"])
self.bag.defineFormula(calculate_perimeter="2*($base + $height)")
self.bag.defineSymbol(base="a.b.c.d", height="a.b.e")
self.bag["perimeter"] = self.bag.formula("calculate_perimeter")
self.assertEqual(self.bag["perimeter"], 18)
def testcallbackitem(self):
def hello():
return "Hello!"
self.bag.setCallBackItem("say_hello", hello)
self.assertEqual(self.bag["say_hello"], hello())
def testnodetrigger(self):
self.lastupdates = []
def mycallback(node, info=None, evt=None):
self.lastupdates.append((node.getLabel(), info, node.getValue()))
self.bag.getNode("a.b.c.d").subscribe("lastupdates", mycallback)
self.bag["a.b.c.d"] = 20
self.assertEqual(self.lastupdates[-1], ("d", 4, 20))
def testbagtriggers(self):
self.log = []
def log_upd(node, pathlist, oldvalue, evt):
self.log.append((".".join(pathlist), node.getValue(), oldvalue, evt))
def log_ins(node, pathlist, ind, evt):
self.log.append((".".join(pathlist), node.getValue(), ind, evt))
def log_del(node, pathlist, ind, evt):
self.log.append((".".join(pathlist), node.getValue(), ind, evt))
self.bag.subscribe("log", update=log_upd, insert=log_ins, delete=log_del)
self.bag["a.b.t"] = 45
self.assertEqual(self.log[-1], ("a.b", 45, 2, "ins"))
self.bag["a.b.t"] = 56
self.assertEqual(self.log[-1], ("a.b.t", 56, 45, "upd_value"))
self.bag.delItem("a.b.t")
self.assertEqual(self.log[-1], ("a.b", 56, 2, "del"))
class TestAdvancedBag(unittest.TestCase):
def setUp(self):
self.bag = Bag()
self.bag.setBackRef()
self.bag['a.b.c.d'] = 4
self.bag['a.b.e'] = 5
def testparent(self):
self.assertEqual(self.bag['a.b.c'].parent, self.bag['a.b'])
c = self.bag['a.b.c']
self.assertEqual(c['../e'], 5)
self.bag['a.b'].delParentRef()
self.assertFalse(self.bag['a.b'].backref)
def testformula(self):
self.bag['product'] = self.bag.formula('$x*$y', x='a.b.c.d', y='a.b.e')
self.assertEqual(self.bag['product'],
self.bag['a.b.c.d'] * self.bag['a.b.e'])
self.bag.defineFormula(calculate_perimeter='2*($base + $height)')
self.bag.defineSymbol(base='a.b.c.d', height='a.b.e')
self.bag['perimeter'] = self.bag.formula('calculate_perimeter')
self.assertEqual(self.bag['perimeter'], 18)
def testcallbackitem(self):
def hello():
return 'Hello!'
self.bag.setCallBackItem('say_hello', hello)
self.assertEqual(self.bag['say_hello'], hello())
def testnodetrigger(self):
self.lastupdates = []
def mycallback(node, info=None, evt=None):
self.lastupdates.append((node.getLabel(), info, node.getValue()))
self.bag.getNode('a.b.c.d').subscribe('lastupdates', mycallback)
self.bag['a.b.c.d'] = 20
self.assertEqual(self.lastupdates[-1], ('d', 4, 20))
def testbagtriggers(self):
self.log = []
def log_upd(node, pathlist, oldvalue, evt):
self.log.append(
('.'.join(pathlist), node.getValue(), oldvalue, evt))
def log_ins(node, pathlist, ind, evt):
self.log.append(('.'.join(pathlist), node.getValue(), ind, evt))
def log_del(node, pathlist, ind, evt):
self.log.append(('.'.join(pathlist), node.getValue(), ind, evt))
self.bag.subscribe('log',
update=log_upd,
insert=log_ins,
delete=log_del)
self.bag['a.b.t'] = 45
self.assertEqual(self.log[-1], ('a.b', 45, 2, 'ins'))
self.bag['a.b.t'] = 56
self.assertEqual(self.log[-1], ('a.b.t', 56, 45, 'upd_value'))
self.bag.delItem('a.b.t')
self.assertEqual(self.log[-1], ('a.b', 56, 2, 'del'))