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80 lines
2.2 KiB
Python
80 lines
2.2 KiB
Python
"""
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Test all things related to the ``jedi.cache`` module.
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"""
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import time
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import pytest
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import jedi
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from jedi import settings, cache
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from jedi.cache import ParserCacheItem, _ModulePickling
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ModulePickling = _ModulePickling()
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def test_modulepickling_change_cache_dir(monkeypatch, tmpdir):
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"""
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ModulePickling should not save old cache when cache_directory is changed.
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See: `#168 <https://github.com/davidhalter/jedi/pull/168>`_
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"""
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dir_1 = str(tmpdir.mkdir('first'))
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dir_2 = str(tmpdir.mkdir('second'))
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item_1 = ParserCacheItem('fake parser 1')
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item_2 = ParserCacheItem('fake parser 2')
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path_1 = 'fake path 1'
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path_2 = 'fake path 2'
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monkeypatch.setattr(settings, 'cache_directory', dir_1)
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ModulePickling.save_module(path_1, item_1)
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cached = load_stored_item(ModulePickling, path_1, item_1)
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assert cached == item_1.parser
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monkeypatch.setattr(settings, 'cache_directory', dir_2)
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ModulePickling.save_module(path_2, item_2)
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cached = load_stored_item(ModulePickling, path_1, item_1)
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assert cached is None
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def load_stored_item(cache, path, item):
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"""Load `item` stored at `path` in `cache`."""
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return cache.load_module(path, item.change_time - 1)
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@pytest.mark.usefixtures("isolated_jedi_cache")
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def test_modulepickling_delete_incompatible_cache():
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item = ParserCacheItem('fake parser')
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path = 'fake path'
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cache1 = _ModulePickling()
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cache1.version = 1
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cache1.save_module(path, item)
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cached1 = load_stored_item(cache1, path, item)
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assert cached1 == item.parser
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cache2 = _ModulePickling()
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cache2.version = 2
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cached2 = load_stored_item(cache2, path, item)
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assert cached2 is None
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def test_star_import_cache_duration():
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new = 0.01
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old, jedi.settings.star_import_cache_validity = \
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jedi.settings.star_import_cache_validity, new
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cache.star_import_cache = {} # first empty...
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# path needs to be not-None (otherwise caching effects are not visible)
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jedi.Script('', 1, 0, '').completions()
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time.sleep(2 * new)
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jedi.Script('', 1, 0, '').completions()
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# reset values
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jedi.settings.star_import_cache_validity = old
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length = len(cache.star_import_cache)
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cache.star_import_cache = {}
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assert length == 1
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