def testThrow(self):
"""Can we throw an exception within the tree?
"""
tree = owyl.sequence(owyl.succeed(),
owyl.succeed(),
owyl.throw(throws=ValueError,
throws_message="AUGH!!"),
)
v = owyl.visit(tree)
self.assertEqual(v.next(), True)
self.assertEqual(v.next(), True)
self.assertRaises(ValueError, v.next)
v = owyl.visit(tree)
self.assertEqual(v.next(), True)
self.assertEqual(v.next(), True)
self.assertRaises(ValueError, v.next)
def testCatchIgnoresOthers(self):
"""Does catch ignore other exceptions thrown within the tree?
"""
tree = owyl.sequence(
owyl.succeed(), owyl.succeed(),
owyl.catch(owyl.throw(throws=ValueError, throws_message="AUGH!!"),
caught=IndexError,
branch=owyl.succeed()))
v = owyl.visit(tree)
self.assertEqual(v.next(), True)
self.assertEqual(v.next(), True)
self.assertRaises(ValueError, v.next)
v = owyl.visit(tree)
self.assertEqual(v.next(), True)
self.assertEqual(v.next(), True)
self.assertRaises(ValueError, v.next)
def testCatch(self):
"""Can we catch an exception thrown within the tree?
"""
tree = owyl.sequence(
owyl.succeed(), owyl.succeed(),
owyl.catch(owyl.throw(throws=ValueError, throws_message="AUGH!!"),
caught=ValueError,
branch=owyl.succeed()))
v = owyl.visit(tree)
self.assertEqual(v.next(), True)
self.assertEqual(v.next(), True)
self.assertEqual(v.next(), True)
v = owyl.visit(tree)
self.assertEqual(v.next(), True)
self.assertEqual(v.next(), True)
self.assertEqual(v.next(), True)
def testThrow(self):
"""Can we throw an exception within the tree?
"""
tree = owyl.sequence(
owyl.succeed(),
owyl.succeed(),
owyl.throw(throws=ValueError, throws_message="AUGH!!"),
)
v = owyl.visit(tree)
self.assertEqual(v.next(), True)
self.assertEqual(v.next(), True)
self.assertRaises(ValueError, v.next)
v = owyl.visit(tree)
self.assertEqual(v.next(), True)
self.assertEqual(v.next(), True)
self.assertRaises(ValueError, v.next)
def testCatchIgnoresOthers(self):
"""Does catch ignore other exceptions thrown within the tree?
"""
tree = owyl.sequence(owyl.succeed(),
owyl.succeed(),
owyl.catch(owyl.throw(throws=ValueError,
throws_message="AUGH!!"),
caught=IndexError,
branch=owyl.succeed())
)
v = owyl.visit(tree)
self.assertEqual(v.next(), True)
self.assertEqual(v.next(), True)
self.assertRaises(ValueError, v.next)
v = owyl.visit(tree)
self.assertEqual(v.next(), True)
self.assertEqual(v.next(), True)
self.assertRaises(ValueError, v.next)
def testCatch(self):
"""Can we catch an exception thrown within the tree?
"""
tree = owyl.sequence(owyl.succeed(),
owyl.succeed(),
owyl.catch(owyl.throw(throws=ValueError,
throws_message="AUGH!!"),
caught=ValueError,
branch=owyl.succeed())
)
v = owyl.visit(tree)
self.assertEqual(v.next(), True)
self.assertEqual(v.next(), True)
self.assertEqual(v.next(), True)
v = owyl.visit(tree)
self.assertEqual(v.next(), True)
self.assertEqual(v.next(), True)
self.assertEqual(v.next(), True)
