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This patch is adapted from the following upstream commit.
[PATCH] TST/BUG/CLN: make stata IO tests use temporary files for writing
c98e09951f74bf3445f8144363afaa769be69940
--- pandas/io/tests/test_stata.py.orig
+++ pandas/io/tests/test_stata.py
@@ -10,9 +10,8 @@ import numpy as np
from pandas.core.frame import DataFrame, Series
from pandas.io.parsers import read_csv
-from pandas.io.stata import read_stata, StataReader, StataWriter
+from pandas.io.stata import read_stata, StataReader
import pandas.util.testing as tm
-from pandas.util.testing import ensure_clean
from pandas.util.misc import is_little_endian
@@ -27,15 +26,12 @@ class StataTests(unittest.TestCase):
self.dta3 = os.path.join(self.dirpath, 'stata3.dta')
self.csv3 = os.path.join(self.dirpath, 'stata3.csv')
self.dta4 = os.path.join(self.dirpath, 'stata4.dta')
- self.dta5 = os.path.join(self.dirpath, 'stata5.dta')
- self.dta6 = os.path.join(self.dirpath, 'stata6.dta')
self.dta7 = os.path.join(self.dirpath, 'cancer.dta')
self.csv7 = os.path.join(self.dirpath, 'cancer.csv')
self.dta8 = os.path.join(self.dirpath, 'tbl19-3.dta')
self.csv8 = os.path.join(self.dirpath, 'tbl19-3.csv')
self.dta9 = os.path.join(self.dirpath, 'lbw.dta')
self.csv9 = os.path.join(self.dirpath, 'lbw.csv')
- self.dta10 = os.path.join(self.dirpath, 'stata10.dta')
def read_dta(self, file):
return read_stata(file, convert_dates=True)
@@ -46,9 +42,11 @@ class StataTests(unittest.TestCase):
def test_read_dta1(self):
reader = StataReader(self.dta1)
parsed = reader.data()
- # Pandas uses np.nan as missing value. Thus, all columns will be of type float, regardless of their name.
+ # Pandas uses np.nan as missing value.
+ # Thus, all columns will be of type float, regardless of their name.
expected = DataFrame([(np.nan, np.nan, np.nan, np.nan, np.nan)],
- columns=['float_miss', 'double_miss', 'byte_miss', 'int_miss', 'long_miss'])
+ columns=['float_miss', 'double_miss', 'byte_miss',
+ 'int_miss', 'long_miss'])
for i, col in enumerate(parsed.columns):
np.testing.assert_almost_equal(
@@ -90,7 +88,9 @@ class StataTests(unittest.TestCase):
np.datetime64('NaT')
)
],
- columns=['datetime_c', 'datetime_big_c', 'date', 'weekly_date', 'monthly_date', 'quarterly_date', 'half_yearly_date', 'yearly_date']
+ columns=['datetime_c', 'datetime_big_c', 'date', 'weekly_date',
+ 'monthly_date', 'quarterly_date', 'half_yearly_date',
+ 'yearly_date']
)
with warnings.catch_warnings(record=True) as w:
@@ -125,34 +125,40 @@ class StataTests(unittest.TestCase):
["nine", "two", 9, np.nan, "nine"],
["ten", "one", "ten", np.nan, "ten"]
],
- columns=['fully_labeled', 'fully_labeled2', 'incompletely_labeled', 'labeled_with_missings', 'float_labelled'])
+ columns=['fully_labeled', 'fully_labeled2', 'incompletely_labeled',
+ 'labeled_with_missings', 'float_labelled'])
tm.assert_frame_equal(parsed, expected)
- def test_write_dta5(self):
+ def test_read_write_dta5(self):
if not is_little_endian():
- raise nose.SkipTest("known failure of test_write_dta5 on non-little endian")
+ raise nose.SkipTest("known failure of test_write_dta5 on "
+ "non-little endian")
original = DataFrame([(np.nan, np.nan, np.nan, np.nan, np.nan)],
- columns=['float_miss', 'double_miss', 'byte_miss', 'int_miss', 'long_miss'])
+ columns=['float_miss', 'double_miss', 'byte_miss',
+ 'int_miss', 'long_miss'])
original.index.name = 'index'
- with ensure_clean(self.dta5) as path:
+ with tm.ensure_clean() as path:
original.to_stata(path, None, False)
written_and_read_again = self.read_dta(path)
- tm.assert_frame_equal(written_and_read_again.set_index('index'), original)
+ tm.assert_frame_equal(written_and_read_again.set_index('index'),
+ original)
def test_write_dta6(self):
if not is_little_endian():
- raise nose.SkipTest("known failure of test_write_dta6 on non-little endian")
+ raise nose.SkipTest("known failure of test_write_dta6 on "
+ "non-little endian")
original = self.read_csv(self.csv3)
original.index.name = 'index'
- with ensure_clean(self.dta6) as path:
+ with tm.ensure_clean() as path:
original.to_stata(path, None, False)
written_and_read_again = self.read_dta(path)
- tm.assert_frame_equal(written_and_read_again.set_index('index'), original)
+ tm.assert_frame_equal(written_and_read_again.set_index('index'),
+ original)
@nose.tools.nottest
def test_read_dta7(self):
@@ -190,29 +196,30 @@ class StataTests(unittest.TestCase):
decimal=3
)
- def test_read_dta10(self):
+ def test_read_write_dta10(self):
if not is_little_endian():
- raise nose.SkipTest("known failure of test_write_dta10 on non-little endian")
+ raise nose.SkipTest("known failure of test_write_dta10 on "
+ "non-little endian")
- original = DataFrame(
- data=
- [
- ["string", "object", 1, 1.1, np.datetime64('2003-12-25')]
- ],
- columns=['string', 'object', 'integer', 'float', 'datetime'])
+ original = DataFrame(data=[["string", "object", 1, 1.1,
+ np.datetime64('2003-12-25')]],
+ columns=['string', 'object', 'integer', 'float',
+ 'datetime'])
original["object"] = Series(original["object"], dtype=object)
original.index.name = 'index'
- with ensure_clean(self.dta10) as path:
+ with tm.ensure_clean() as path:
original.to_stata(path, {'datetime': 'tc'}, False)
written_and_read_again = self.read_dta(path)
- tm.assert_frame_equal(written_and_read_again.set_index('index'), original)
+ tm.assert_frame_equal(written_and_read_again.set_index('index'),
+ original)
def test_stata_doc_examples(self):
- with ensure_clean(self.dta5) as path:
+ with tm.ensure_clean() as path:
df = DataFrame(np.random.randn(10, 2), columns=list('AB'))
df.to_stata(path)
+
if __name__ == '__main__':
nose.runmodule(argv=[__file__, '-vvs', '-x', '--pdb', '--pdb-failure'],
exit=False)
--- pandas/util/testing.py.orig
+++ pandas/util/testing.py
@@ -86,7 +86,7 @@ def set_trace():
#------------------------------------------------------------------------------
# contextmanager to ensure the file cleanup
@contextmanager
-def ensure_clean(filename = None):
+def ensure_clean(filename=None):
# if we are not passed a filename, generate a temporary
if filename is None:
filename = tempfile.mkstemp()[1]
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