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TST: fix usage of assert_produces_warning #10701

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Merged
merged 1 commit into from
Jul 31, 2015
Merged

TST: fix usage of assert_produces_warning #10701

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21 changes: 7 additions & 14 deletions pandas/io/tests/test_stata.py
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Original file line number Diff line number Diff line change
Expand Up @@ -464,7 +464,7 @@ def test_timestamp_and_label(self):
data_label = 'This is a data file.'
with tm.ensure_clean() as path:
original.to_stata(path, time_stamp=time_stamp, data_label=data_label)

with StataReader(path) as reader:
parsed_time_stamp = dt.datetime.strptime(reader.time_stamp, ('%d %b %Y %H:%M'))
assert parsed_time_stamp == time_stamp
Expand All @@ -475,10 +475,8 @@ def test_numeric_column_names(self):
original.index.name = 'index'
with tm.ensure_clean() as path:
# should get a warning for that format.
with warnings.catch_warnings(record=True) as w:
tm.assert_produces_warning(original.to_stata(path), InvalidColumnName)
# should produce a single warning
tm.assert_equal(len(w), 1)
with tm.assert_produces_warning(InvalidColumnName):
original.to_stata(path)

written_and_read_again = self.read_dta(path)
written_and_read_again = written_and_read_again.set_index('index')
Expand Down Expand Up @@ -530,11 +528,8 @@ def test_large_value_conversion(self):
original = DataFrame({'s0': s0, 's1': s1, 's2': s2, 's3': s3})
original.index.name = 'index'
with tm.ensure_clean() as path:
with warnings.catch_warnings(record=True) as w:
tm.assert_produces_warning(original.to_stata(path),
PossiblePrecisionLoss)
# should produce a single warning
tm.assert_equal(len(w), 1)
with tm.assert_produces_warning(PossiblePrecisionLoss):
original.to_stata(path)

written_and_read_again = self.read_dta(path)
modified = original.copy()
Expand All @@ -548,10 +543,8 @@ def test_dates_invalid_column(self):
original = DataFrame([datetime(2006, 11, 19, 23, 13, 20)])
original.index.name = 'index'
with tm.ensure_clean() as path:
with warnings.catch_warnings(record=True) as w:
tm.assert_produces_warning(original.to_stata(path, {0: 'tc'}),
InvalidColumnName)
tm.assert_equal(len(w), 1)
with tm.assert_produces_warning(InvalidColumnName):
original.to_stata(path, {0: 'tc'})

written_and_read_again = self.read_dta(path)
modified = original.copy()
Expand Down
9 changes: 6 additions & 3 deletions pandas/tests/test_indexing.py
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Original file line number Diff line number Diff line change
Expand Up @@ -4103,9 +4103,12 @@ def test_slice_indexer(self):

def check_iloc_compat(s):
# invalid type for iloc (but works with a warning)
self.assert_produces_warning(FutureWarning, lambda : s.iloc[6.0:8])
self.assert_produces_warning(FutureWarning, lambda : s.iloc[6.0:8.0])
self.assert_produces_warning(FutureWarning, lambda : s.iloc[6:8.0])
with self.assert_produces_warning(FutureWarning):
s.iloc[6.0:8]
with self.assert_produces_warning(FutureWarning):
s.iloc[6.0:8.0]
with self.assert_produces_warning(FutureWarning):
s.iloc[6:8.0]

def check_slicing_positional(index):

Expand Down