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32 lines
979 B
Python
32 lines
979 B
Python
import pytest
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from parso.grammar import load_grammar
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from parso import utils
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def test_load_inexisting_grammar():
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# This version shouldn't be out for a while, but if we ever do, wow!
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with pytest.raises(NotImplementedError):
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load_grammar(version='15.8')
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# The same is true for very old grammars (even though this is probably not
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# going to be an issue.
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with pytest.raises(NotImplementedError):
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load_grammar(version='1.5')
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@pytest.mark.parametrize(('string', 'result'), [
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('2', (2, 7)), ('3', (3, 6)), ('1.1', (1, 1)), ('1.1.1', (1, 1)), ('300.1.31', (300, 1))
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])
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def test_parse_version(string, result):
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assert utils._parse_version(string) == result
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@pytest.mark.parametrize('string', ['1.', 'a', '#', '1.3.4.5'])
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def test_invalid_grammar_version(string):
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with pytest.raises(ValueError):
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load_grammar(version=string)
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def test_grammar_int_version():
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with pytest.raises(TypeError):
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load_grammar(version=3.8)
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