def test_get_dataexp_type(self):
ast = sync.process('synch a (a | b){\
store ?v.a j;\
start {\
on:\
a.?v(y, w || t) & [t+w]{\
set j = \'w || z:[0];\
}\
}}')
symtab = ast.decls.symtab
j_ent = symtab.get('j')
self.assertFalse(j_ent is None)
# { 'y':$__var_5dvq8z, 'z':Int(0), 't':Int(0), 'w':Int(0) }
self.assertTrue(len(j_ent.type.labels) == 4)
self.assertTrue('y' in j_ent.type.labels)
self.assertTrue('z' in j_ent.type.labels)
self.assertTrue(j_ent.type.labels['z'].show() == "Int(0)")
self.assertTrue('t' in j_ent.type.labels)
self.assertTrue(j_ent.type.labels['t'].show() == "Int(0)")
self.assertTrue('w' in j_ent.type.labels)
self.assertTrue(j_ent.type.labels['w'].show() == "Int(0)")
self.assertTrue(len(j_ent.type.tails) == 0)
st = AstSymtab()
st.traverse(ast)
symtabs = st.l
this_ent = symtabs[0].get('this')
self.assertFalse(this_ent is None)
self.assertTrue(len(this_ent.type.labels) == 3)
self.assertTrue('y' in this_ent.type.labels)
self.assertTrue('t' in this_ent.type.labels)
self.assertTrue(this_ent.type.labels['t'].show() == "Int(0)")
self.assertTrue('w' in this_ent.type.labels)
self.assertTrue(this_ent.type.labels['w'].show() == "Int(0)")
self.assertTrue(len(this_ent.type.tails) == 0)
def test_check_data_exp_assign(self):
ast = sync.process('synch id (a | b) {\
store a j;\
start {\
on:\
a {\
set j = this || x:[1];\
}\
}}')
symtab = ast.decls.symtab
j_ent = symtab.get('j')
self.assertFalse(j_ent is None)
j_rec = j_ent.type
self.assertTrue(len(j_rec.labels) == 1)
self.assertTrue('x' in j_rec.labels)