def test_constraint_5(self):
""" Skip a block """
# first, skip a normal block
base = abs_path('./specs/')
ps = Parser(base + 'script3-5.py', base)
ps.main(verbose=False)
self.assertEqual(ps.wrangler.counter, 8)
# then, skip a decision block
ps = Parser(base + 'script3-5.py', base)
ps.spec['constraints'] = [{
"block": "B",
"skippable": True,
"condition": "a == if"
}]
ps._parse_constraints()
ps.main(verbose=False)
self.assertEqual(ps.wrangler.counter, 6)
def test_constraint_4(self):
""" Variable depends on variable """
base = abs_path('./specs/')
ps = Parser(base + 'script3-4.py', base)
ps.main(verbose=False)
self.assertEqual(ps.wrangler.counter, 4)
# then, test index
ps = Parser(base + 'script3-4.py', base)
ps.spec['constraints'] = [{
"variable": "b",
"index": 1,
"condition": "a.index == 0"
}, {
"variable": "b",
"index": 0,
"condition": "a == else"
}]
ps._parse_constraints()
ps.main(verbose=False)
self.assertEqual(ps.wrangler.counter, 4)
def test_eval(self):
""" Evaluation of various conditions """
# expr and expr
base = abs_path('./specs/')
ps = Parser(base + 'script3-6.py', base)
ps.main(verbose=False)
self.assertEqual(ps.wrangler.counter, 2)
# expr or expr
ps.spec['constraints'] = [{
"block": "D",
"condition": "a == if or B == b1"
}]
ps._parse_constraints()
ps.main(verbose=False)
self.assertEqual(ps.wrangler.counter, 6)
# expr and (expr or expr)
ps.spec['constraints'] = [{
"block":
"D",
"condition":
"a == if and (B == b1 or B == b2)"
}]
ps._parse_constraints()
ps.main(verbose=False)
self.assertEqual(ps.wrangler.counter, 4)
# testing !=
ps.spec['constraints'] = [{"block": "D", "condition": "a != if"}]
ps._parse_constraints()
ps.main(verbose=False)
self.assertEqual(ps.wrangler.counter, 4)
# testing >=
ps.spec['constraints'] = [{"block": "D", "condition": "a.index >= 1"}]
ps._parse_constraints()
ps.main(verbose=False)
self.assertEqual(ps.wrangler.counter, 4)
# testing index
ps.spec['constraints'] = [{"block": "D", "condition": "b.index == 1"}]
ps._parse_constraints()
ps.main(verbose=False)
self.assertEqual(ps.wrangler.counter, 4)
# testing option with integer type
ps.spec['constraints'] = [{"block": "D", "condition": "b == 0"}]
ps._parse_constraints()
ps.main(verbose=False)
self.assertEqual(ps.wrangler.counter, 4)
# testing option with float type
ps.spec['constraints'] = [{"block": "D", "condition": "b == 1.5"}]
ps._parse_constraints()
ps.main(verbose=False)
self.assertEqual(ps.wrangler.counter, 4)
# testing unmade decision
ps.spec['constraints'] = [{"block": "A", "condition": "b.index == 0"}]
ps._parse_constraints()
ps.main(verbose=False)
self.assertEqual(ps.wrangler.counter, 0)
# testing if the decision is made when the block depends on a variable
# inside the block
ps.spec['constraints'] = [{"block": "B", "condition": "b.index == 0"}]
ps._parse_constraints()
ps.main(verbose=False)
self.assertEqual(ps.wrangler.counter, 0)