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Merged
merged 11 commits into from
Sep 22, 2020
Merged

add a test for loc method; check if a warning raise when replacing a … #36486

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bc745d5
add a test for loc method; check if a warning raise when replacing a …
samilAyoub Sep 19, 2020
e203af0
Clean the code
samilAyoub Sep 19, 2020
d41ac51
using assert_produces_warning instead and rename the method
samilAyoub Sep 19, 2020
176f926
capture rasing instead of warning
samilAyoub Sep 20, 2020
b9f2362
clean the code
samilAyoub Sep 20, 2020
4aa3bb8
remove non standard import and solving linting issues
samilAyoub Sep 20, 2020
c873309
using import
samilAyoub Sep 20, 2020
45a21ba
Sorting imports & matching error message
samilAyoub Sep 21, 2020
1708a9e
Update pandas/tests/indexing/test_loc.py
samilAyoub Sep 21, 2020
8f11f2a
move the test from test_loc to test_chaining_caching.py
samilAyoub Sep 22, 2020
1e09ee1
Merge branch 'add_test_subframe' of https://github.com/samilAyoub/pan…
samilAyoub Sep 22, 2020
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8 changes: 5 additions & 3 deletions pandas/tests/indexing/test_chaining_and_caching.py
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Original file line number Diff line number Diff line change
Expand Up @@ -335,12 +335,14 @@ def test_setting_with_copy_bug(self):
# this should not raise
df2["y"] = ["g", "h", "i"]

def test_detect_chained_assignment_warnings(self):
def test_detect_chained_assignment_warnings_errors(self):
df = DataFrame({"A": ["aaa", "bbb", "ccc"], "B": [1, 2, 3]})
with option_context("chained_assignment", "warn"):
df = DataFrame({"A": ["aaa", "bbb", "ccc"], "B": [1, 2, 3]})

with tm.assert_produces_warning(com.SettingWithCopyWarning):
df.loc[0]["A"] = 111
with option_context("chained_assignment", "raise"):
with pytest.raises(com.SettingWithCopyError):
df.loc[0]["A"] = 111

def test_detect_chained_assignment_warnings_filter_and_dupe_cols(self):
# xref gh-13017.
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