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Current File : //lib/python3/dist-packages/mypyc/test/test_namegen.py

import unittest

from mypyc.namegen import (
    NameGenerator, exported_name, candidate_suffixes, make_module_translation_map
)


class TestNameGen(unittest.TestCase):
    def test_candidate_suffixes(self) -> None:
        assert candidate_suffixes('foo') == ['', 'foo.']
        assert candidate_suffixes('foo.bar') == ['', 'bar.', 'foo.bar.']

    def test_exported_name(self) -> None:
        assert exported_name('foo') == 'foo'
        assert exported_name('foo.bar') == 'foo___bar'

    def test_make_module_translation_map(self) -> None:
        assert make_module_translation_map(
            ['foo', 'bar']) == {'foo': 'foo.', 'bar': 'bar.'}
        assert make_module_translation_map(
            ['foo.bar', 'foo.baz']) == {'foo.bar': 'bar.', 'foo.baz': 'baz.'}
        assert make_module_translation_map(
            ['zar', 'foo.bar', 'foo.baz']) == {'foo.bar': 'bar.',
                                               'foo.baz': 'baz.',
                                               'zar': 'zar.'}
        assert make_module_translation_map(
            ['foo.bar', 'fu.bar', 'foo.baz']) == {'foo.bar': 'foo.bar.',
                                                  'fu.bar': 'fu.bar.',
                                                  'foo.baz': 'baz.'}

    def test_name_generator(self) -> None:
        g = NameGenerator([['foo', 'foo.zar']])
        assert g.private_name('foo', 'f') == 'foo___f'
        assert g.private_name('foo', 'C.x.y') == 'foo___C___x___y'
        assert g.private_name('foo', 'C.x.y') == 'foo___C___x___y'
        assert g.private_name('foo.zar', 'C.x.y') == 'zar___C___x___y'
        assert g.private_name('foo', 'C.x_y') == 'foo___C___x_y'
        assert g.private_name('foo', 'C_x_y') == 'foo___C_x_y'
        assert g.private_name('foo', 'C_x_y') == 'foo___C_x_y'
        assert g.private_name('foo', '___') == 'foo______3_'

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