| 1 | #!/usr/bin/env python2
|
| 2 | """gen_python_test.py."""
|
| 3 | from __future__ import print_function
|
| 4 |
|
| 5 | import unittest
|
| 6 |
|
| 7 | from asdl import pybase
|
| 8 |
|
| 9 | from _devbuild.gen import typed_demo_asdl
|
| 10 | from _devbuild.gen.typed_arith_asdl import arith_expr, arith_expr_e
|
| 11 | from _devbuild.gen.typed_demo_asdl import (source_location, flag_type,
|
| 12 | flag_type_str, op_id_e, op_id_str,
|
| 13 | cflow, cflow_t, Strings, Dicts,
|
| 14 | Maybes, op_array)
|
| 15 |
|
| 16 |
|
| 17 | class ArithAstTest(unittest.TestCase):
|
| 18 |
|
| 19 | def testPrettyPrint(self):
|
| 20 | s = op_id_str(op_id_e.Plus)
|
| 21 | self.assertEqual('op_id.Plus', s)
|
| 22 | print(s)
|
| 23 |
|
| 24 | obj = flag_type.Bool
|
| 25 | s = flag_type_str(obj.tag())
|
| 26 |
|
| 27 | self.assertEqual('flag_type.Bool', s)
|
| 28 | print(s)
|
| 29 |
|
| 30 | s = flag_type_str(obj.tag(), dot=False)
|
| 31 | self.assertEqual('Bool', s)
|
| 32 | print(s)
|
| 33 |
|
| 34 | def testStringDefaults(self):
|
| 35 | st = Strings('', '')
|
| 36 | self.assertEqual('', st.required)
|
| 37 | self.assertEqual('', st.optional)
|
| 38 |
|
| 39 | # ZERO ARG "constructor" (static method)
|
| 40 | st = Strings.CreateNull(alloc_lists=True)
|
| 41 | self.assertEqual('', st.required)
|
| 42 | self.assertEqual(None, st.optional)
|
| 43 |
|
| 44 | # N arg constructor with None
|
| 45 | st = Strings('', None)
|
| 46 | self.assertEqual('', st.required)
|
| 47 | self.assertEqual(None, st.optional)
|
| 48 |
|
| 49 | def testArrayDefault(self):
|
| 50 | obj = op_array.CreateNull()
|
| 51 | self.assertEqual(None, obj.ops)
|
| 52 |
|
| 53 | obj = op_array.CreateNull(alloc_lists=True)
|
| 54 | self.assertEqual([], obj.ops)
|
| 55 |
|
| 56 | def testMapDefault(self):
|
| 57 | # TODO: alloc_dicts=True
|
| 58 | obj = Dicts.CreateNull(alloc_lists=True)
|
| 59 | self.assertEqual(None, obj.ss)
|
| 60 |
|
| 61 | def testOptionalDefault(self):
|
| 62 | obj = Maybes.CreateNull(alloc_lists=True)
|
| 63 |
|
| 64 | # These are None
|
| 65 | self.assertEqual(None, obj.op)
|
| 66 | self.assertEqual(None, obj.arg)
|
| 67 |
|
| 68 | def testFieldDefaults(self):
|
| 69 | s = arith_expr.Slice.CreateNull(alloc_lists=True)
|
| 70 | s.a = arith_expr.Var('foo')
|
| 71 | self.assertEqual(None, s.begin)
|
| 72 | self.assertEqual(None, s.end)
|
| 73 | self.assertEqual(None, s.stride)
|
| 74 | print(s)
|
| 75 |
|
| 76 | func = arith_expr.FuncCall.CreateNull(alloc_lists=True)
|
| 77 | func.name = 'f'
|
| 78 | self.assertEqual([], func.args)
|
| 79 | print(func)
|
| 80 |
|
| 81 | def testExtraFields(self):
|
| 82 | v = arith_expr.Var('z')
|
| 83 |
|
| 84 | # TODO: Attach this to EVERY non-simple constructor? Those are subclasses
|
| 85 | # of Sum types.
|
| 86 | # What about product types?
|
| 87 | #print(v.xspans)
|
| 88 |
|
| 89 | def testConstructor(self):
|
| 90 | n1 = arith_expr.Var('x')
|
| 91 | n2 = arith_expr.Var(name='y')
|
| 92 | print(n1)
|
| 93 | print(n2)
|
| 94 |
|
| 95 | # Not good because not assigned?
|
| 96 | n3 = arith_expr.Var.CreateNull(alloc_lists=True)
|
| 97 |
|
| 98 | # NOTE: You cannot instantiate a product type directly? It's just used for
|
| 99 | # type checking. What about OCaml?
|
| 100 | # That means you just need to create classes for the records (arith_expr.Constructor).
|
| 101 | # They all descend from Obj. They don't need
|
| 102 |
|
| 103 | n3 = arith_expr.Var.CreateNull(alloc_lists=True)
|
| 104 | try:
|
| 105 | n4 = arith_expr.Var('x', name='X')
|
| 106 | except TypeError as e:
|
| 107 | pass
|
| 108 | else:
|
| 109 | raise AssertionError("Should have failed")
|
| 110 |
|
| 111 | def testProductType(self):
|
| 112 | print()
|
| 113 | print('-- PRODUCT --')
|
| 114 | print()
|
| 115 |
|
| 116 | s = source_location.CreateNull(alloc_lists=True)
|
| 117 | s.path = 'hi'
|
| 118 | s.line = 1
|
| 119 | s.col = 2
|
| 120 | s.length = 3
|
| 121 | print(s)
|
| 122 |
|
| 123 | # Implementation detail for dynamic type checking
|
| 124 | assert isinstance(s, pybase.CompoundObj)
|
| 125 |
|
| 126 | def testSimpleSumType(self):
|
| 127 | # TODO: Should be op_id_i.Plus -- instance
|
| 128 | # Should be op_id_s.Plus
|
| 129 |
|
| 130 | print()
|
| 131 | print('-- SIMPLE SUM --')
|
| 132 | print()
|
| 133 |
|
| 134 | o = op_id_e.Plus
|
| 135 | assert isinstance(o, pybase.SimpleObj)
|
| 136 |
|
| 137 | def testCompoundSumType(self):
|
| 138 | print()
|
| 139 | print('-- COMPOUND SUM --')
|
| 140 | print()
|
| 141 |
|
| 142 | c = cflow.Break
|
| 143 | assert isinstance(c, typed_demo_asdl.cflow__Break)
|
| 144 | assert isinstance(c, cflow_t)
|
| 145 | assert isinstance(c, pybase.CompoundObj)
|
| 146 |
|
| 147 | def testOtherTypes(self):
|
| 148 | c = arith_expr.Const(66)
|
| 149 | print(c)
|
| 150 |
|
| 151 | sl = arith_expr.Slice(
|
| 152 | arith_expr.Const(1),
|
| 153 | arith_expr.Const(5),
|
| 154 | arith_expr.Const(2),
|
| 155 | arith_expr.Const(3),
|
| 156 | )
|
| 157 | print(sl)
|
| 158 |
|
| 159 | print((op_id_e.Plus))
|
| 160 |
|
| 161 | # Class for sum type
|
| 162 | print(arith_expr)
|
| 163 |
|
| 164 | # Invalid because only half were assigned
|
| 165 | #print(arith_expr.Binary(op_id_e.Plus, arith_expr.Const(5)))
|
| 166 |
|
| 167 | n = arith_expr.Binary.CreateNull(alloc_lists=True)
|
| 168 | #n.CheckUnassigned()
|
| 169 | n.op_id = op_id_e.Plus
|
| 170 | n.left = arith_expr.Const(5)
|
| 171 | #n.CheckUnassigned()
|
| 172 | n.right = arith_expr.Const(6)
|
| 173 | #n.CheckUnassigned()
|
| 174 |
|
| 175 | self.assertEqual(arith_expr_e.Const, c.tag())
|
| 176 | self.assertEqual(arith_expr_e.Binary, n.tag())
|
| 177 |
|
| 178 |
|
| 179 | if __name__ == '__main__':
|
| 180 | unittest.main()
|