8000 TST: Add coverage for a selection with an inverted elemwise. by ehebert · Pull Request #1648 · blaze/blaze · GitHub
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TST: Add coverage for a selection with an inverted elemwise. #1648

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TST: Add coverage for a selection with an inverted elemwise. #1648

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26 changes: 17 additions & 9 deletions blaze/compute/tests/test_postgresql_compute.py
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Original file line number Diff line number Diff line change
Expand Up @@ -849,21 +849,29 @@ def test_all(sql):
def test_isin_selectable(sql):
s = symbol('s', discover(sql))

# wrap the resource in a select
assert compute(s.B.isin({1, 3}),
sa.select(sql._resources()[sql].columns),
return_type=list) == [True, False]
assert (
compute(s.B.isin({1, 3}), {s: sql}, return_type=list) ==
[True, False]
)


def test_selection_selectable(sql):
s = symbol('s', discover(sql))

tm.assert_frame_equal(
compute(s[s.B.isin({1, 3})], {s: sql}, return_type=pd.DataFrame),
pd.DataFrame([['a', 1]], columns=s.dshape.measure.names)
)


def test_selection_inverted_selectable(sql):
s = symbol('s', discover(sql))

# wrap the resource in a select
assert (compute(s[s.B.isin({1, 3})],
sa.select(sql._resources()[sql].columns),
return_type=pd.DataFrame) ==
pd.DataFrame([['a', 1]],
columns=s.dshape.measure.names)).all().all()
tm.assert_frame_equal(
compute(s[~s.B.isin({1, 3})], {s: sql}, return_type=pd.DataFrame),
pd.DataFrame([['b', 2]], columns=s.dshape.measure.names)
)


@pytest.mark.parametrize(
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