def testCheckBB(self):
"""Can we check a value on a blackboard?
"""
value = "foo"
checker = lambda x: x == value
bb = blackboard.Blackboard('test', value=value)
tree = blackboard.checkBB(key='value',
check=checker)
# Note that we can pass in the blackboard at run-time.
v = owyl.visit(tree, blackboard=bb)
# Check should succeed.
self.assertEqual(v.next(), True)
v = owyl.visit(tree, blackboard=bb)
self.assertEqual(v.next(), True)
bb['value'] = 'bar'
# Check should now fail.
v = owyl.visit(tree, blackboard=bb)
self.assertEqual(v.next(), False)
v = owyl.visit(tree, blackboard=bb)
self.assertEqual(v.next(), False)
def testCheckBB(self):
"""Can we check a value on a blackboard?
"""
value = "foo"
checker = lambda x: x == value
bb = blackboard.Blackboard('test', value=value)
tree = blackboard.checkBB(key='value', check=checker)
# Note that we can pass in the blackboard at run-time.
v = owyl.visit(tree, blackboard=bb)
# Check should succeed.
self.assertEqual(v.next(), True)
v = owyl.visit(tree, blackboard=bb)
self.assertEqual(v.next(), True)
bb['value'] = 'bar'
# Check should now fail.
v = owyl.visit(tree, blackboard=bb)
self.assertEqual(v.next(), False)
v = owyl.visit(tree, blackboard=bb)
self.assertEqual(v.next(), False)
def testSetBB(self):
"""Can we set a value on a blackboard?
"""
value = 'foo'
checker = lambda x: x == value
bb = blackboard.Blackboard('test', value='bar')
tree = owyl.sequence(blackboard.setBB(key="value", value=value),
blackboard.checkBB(key='value', check=checker))
# Note that we can pass in the blackboard at run-time.
v = owyl.visit(tree, blackboard=bb)
# Sequence will succeed if the check succeeds.
result = [x for x in v][-1]
self.assertEqual(result, True)
v = owyl.visit(tree, blackboard=bb)
result = [x for x in v][-1]
self.assertEqual(result, True)
def testStructureBig(self):
tree = owyl.parallel(owyl.sequence(owyl.repeatAlways(blackboard.setBB()), owyl.log()),
owyl.selector(owyl.repeatUntilSucceed(blackboard.checkBB())),
owyl.repeatUntilFail(owyl.fail()))
viztree = OwylTree(tree)
structure = truncate(viztree.get_structure(), ['name', 'children'])
self.assertEquals(structure,
{'name': 'parallel',
'children': [{'name': 'sequence',
'children': [{'name': 'repeatAlways',
'children': [{'name': 'setBB',
'children': []}]},
{'name': 'log',
'children': []}]},
{'name': 'selector',
'children': [{'name': 'repeatUntilSucceed',
'children': [{'name': 'checkBB',
'children': []}]}]},
{'name': 'repeatUntilFail',
'children': [{'name': 'fail',
'children': []}]}]})
def testSetBB(self):
"""Can we set a value on a blackboard?
"""
value = 'foo'
checker = lambda x: x == value
bb = blackboard.Blackboard('test', value='bar')
tree = owyl.sequence(blackboard.setBB(key="value",
value=value),
blackboard.checkBB(key='value',
check=checker)
)
# Note that we can pass in the blackboard at run-time.
v = owyl.visit(tree, blackboard=bb)
# Sequence will succeed if the check succeeds.
result = [x for x in v][-1]
self.assertEqual(result, True)
v = owyl.visit(tree, blackboard=bb)
result = [x for x in v][-1]
self.assertEqual(result, True)
def testDescriptionCheckBB(self):
tree = blackboard.checkBB(key='somekey', check=lambda x: x == 3)
viztree = OwylTree(tree)
structure = truncate(viztree.get_structure(), ['desc'])
self.assertEquals(structure, {'desc': 'somekey'})