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"""Test sphinx.extension module."""
from __future__ import annotations
from typing import TYPE_CHECKING
import pytest
from sphinx.errors import VersionRequirementError
from sphinx.extension import Extension, verify_needs_extensions
if TYPE_CHECKING:
from sphinx.testing.util import SphinxTestApp
@pytest.mark.sphinx('html', testroot='root')
def test_needs_extensions(app: SphinxTestApp) -> None:
# empty needs_extensions
assert app.config.needs_extensions == {}
verify_needs_extensions(app, app.config)
# needs_extensions fulfilled
app.config.needs_extensions = {'test.extension': '3.9'}
app.extensions['test.extension'] = Extension(
'test.extension', 'test.extension', version='3.10'
)
verify_needs_extensions(app, app.config)
# needs_extensions not fulfilled
app.config.needs_extensions = {'test.extension': '3.11'}
app.extensions['test.extension'] = Extension(
'test.extension', 'test.extension', version='3.10'
)
with pytest.raises(VersionRequirementError):
verify_needs_extensions(app, app.config)
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