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82 lines
1.5 KiB
82 lines
1.5 KiB
import pytest
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from toolz import merge
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from dask.compatibility import Mapping
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from dask.sharedict import ShareDict
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a = {'x': 1, 'y': 2}
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b = {'z': 3}
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c = {'w': 2}
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def test_core():
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s = ShareDict()
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assert isinstance(s, Mapping)
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s.update(a)
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s.update(b)
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assert s['x'] == 1
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with pytest.raises(KeyError):
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s['abc']
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with pytest.raises((NotImplementedError, TypeError)):
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s['abc'] = 123
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def test_structure():
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s = ShareDict()
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s.update(a)
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s.update(b)
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s.update(c)
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assert all(any(d is x for d in s.dicts.values())
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for x in [a, b, c])
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@pytest.mark.skip
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def test_structure_2():
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s = ShareDict()
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s.update_with_key(a, key='a')
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s.update_with_key(b, key='b')
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s.update_with_key(c, key='c')
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assert s.order == ['a', 'b', 'c']
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s.update_with_key(b, key='b')
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assert s.order == ['a', 'c', 'b']
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def test_keys_items():
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s = ShareDict()
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s.update_with_key(a, key='a')
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s.update_with_key(b, key='b')
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s.update_with_key(c, key='c')
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d = merge(a, b, c)
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for fn in [dict, set, len]:
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assert fn(s) == fn(d)
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for fn in [lambda x: x.values(), lambda x: x.keys(), lambda x: x.items()]:
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assert set(fn(s)) == set(fn(d))
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def test_update_with_sharedict():
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s = ShareDict()
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s.update_with_key(a, key='a')
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s.update_with_key(b, key='b')
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s.update_with_key(c, key='c')
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d = {'z': 5}
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s2 = ShareDict()
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s2.update_with_key(a, key='a')
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s2.update_with_key(d, key='d')
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s.update(s2)
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assert s.dicts['a'] is s.dicts['a']
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