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import unittest
from ..pass_manager import (
inplace_wrapper,
PassManager,
these_before_those_pass_constraint,
this_before_that_pass_constraint,
)
class TestPassManager(unittest.TestCase):
def test_pass_manager_builder(self) -> None:
passes = [lambda x: 2 * x for _ in range(10)]
pm = PassManager(passes)
pm.validate()
def test_this_before_that_pass_constraint(self) -> None:
passes = [lambda x: 2 * x for _ in range(10)]
pm = PassManager(passes)
# add unfulfillable constraint
pm.add_constraint(this_before_that_pass_constraint(passes[-1], passes[0]))
self.assertRaises(RuntimeError, pm.validate)
def test_these_before_those_pass_constraint(self) -> None:
passes = [lambda x: 2 * x for _ in range(10)]
constraint = these_before_those_pass_constraint(passes[-1], passes[0])
pm = PassManager(
[inplace_wrapper(p) for p in passes]
)
# add unfulfillable constraint
pm.add_constraint(constraint)
self.assertRaises(RuntimeError, pm.validate)
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