31 lines
1.4 KiB
Python
31 lines
1.4 KiB
Python
import unittest
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from preserves import *
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from preserves.path import parse
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class BasicPathTests(unittest.TestCase):
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def test_identity(self):
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self.assertEqual(parse('').exec(1), (1,))
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self.assertEqual(parse('').exec([]), ([],))
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self.assertEqual(parse('').exec(Record(Symbol('hi'), [])), (Record(Symbol('hi'), []),))
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def test_children(self):
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self.assertEqual(parse('/').exec([1, 2, 3]), (1, 2, 3))
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self.assertEqual(parse('/').exec([1, [2], 3]), (1, [2], 3))
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self.assertEqual(parse('/').exec(Record(Symbol('hi'), [1, [2], 3])), (1, [2], 3))
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def test_label(self):
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self.assertEqual(parse('.^').exec([1, 2, 3]), ())
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self.assertEqual(parse('.^').exec([1, [2], 3]), ())
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self.assertEqual(parse('.^').exec(Record(Symbol('hi'), [1, [2], 3])), (Symbol('hi'),))
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def test_count(self):
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self.assertEqual(parse('<count / ^ hi>').exec([ Record(Symbol('hi'), [1]),
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Record(Symbol('no'), [2]),
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Record(Symbol('hi'), [3]) ]),
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(2,))
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self.assertEqual(parse('/ <count ^ hi>').exec([ Record(Symbol('hi'), [1]),
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Record(Symbol('no'), [2]),
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Record(Symbol('hi'), [3]) ]),
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(1, 0, 1))
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