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TST: insert 'match' to bare pytest raises in pandas/tests/indexing/te… #36809

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Merged
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Oct 2, 2020
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TST: insert 'match' to bare pytest raises in pandas/tests/indexing/te… #36809

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15 changes: 10 additions & 5 deletions pandas/tests/indexing/test_indexing.py
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Original file line number Diff line number Diff line change
Expand Up @@ -31,7 +31,11 @@ def test_setitem_ndarray_1d(self):
df["bar"] = np.zeros(10, dtype=complex)

# invalid
with pytest.raises(ValueError):
msg = (
"cannot set using a multi-index selection "
"indexer with a different length than the value"
)
with pytest.raises(ValueError, match=msg):
df.loc[df.index[2:5], "bar"] = np.array([2.33j, 1.23 + 0.1j, 2.2, 1.0])

# valid
Expand All @@ -48,7 +52,8 @@ def test_setitem_ndarray_1d(self):
df["foo"] = np.zeros(10, dtype=np.float64)
df["bar"] = np.zeros(10, dtype=complex)

with pytest.raises(ValueError):
msg = "Must have equal len keys and value when setting with an iterable"
with pytest.raises(ValueError, match=msg):
df[2:5] = np.arange(1, 4) * 1j

@pytest.mark.parametrize(
Expand Down Expand Up @@ -1055,13 +1060,13 @@ def test_1tuple_without_multiindex():
def test_duplicate_index_mistyped_key_raises_keyerror():
# GH#29189 float_index.get_loc(None) should raise KeyError, not TypeError
ser = pd.Series([2, 5, 6, 8], index=[2.0, 4.0, 4.0, 5.0])
with pytest.raises(KeyError):
with pytest.raises(KeyError, match="None"):
ser[None]

with pytest.raises(KeyError):
with pytest.raises(KeyError, match="None"):
ser.index.get_loc(None)

with pytest.raises(KeyError):
with pytest.raises(KeyError, match="None"):
ser.index._engine.get_loc(None)


Expand Down