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Excel Tests Continued Fixture Cleanup #26662

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Merged
merged 7 commits into from
Jun 8, 2019
Merged

Excel Tests Continued Fixture Cleanup #26662

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952ce86
Replaced sparsely used frame2 fixture
WillAyd Jun 5, 2019
620fa19
Cleaned up parametrization and xlrd min skips
WillAyd Jun 5, 2019
417fc30
Decoupled xlrd skips and base reading tests
WillAyd Jun 5, 2019
a5d2616
Replaced *args with explicit fixture usage
WillAyd Jun 5, 2019
7fc3f76
Removed unnecessary merge_cells parametrization
WillAyd Jun 5, 2019
fd00e51
Merge remote-tracking branch 'upstream/master' into excel-fixture-cle…
WillAyd Jun 8, 2019
fd697ea
Merge remote-tracking branch 'upstream/master' into excel-fixture-cle…
WillAyd Jun 8, 2019
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28 changes: 12 additions & 16 deletions pandas/tests/io/test_excel.py
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Original file line number Diff line number Diff line change
Expand Up @@ -32,13 +32,6 @@ def frame(float_frame):
return float_frame[:10]


@pytest.fixture
def frame2(float_frame):
float_frame = float_frame.copy()
float_frame.columns = ['D', 'C', 'B', 'A']
return float_frame[:10]


@pytest.fixture
def tsframe():
return tm.makeTimeDataFrame()[:5]
Expand All @@ -58,8 +51,9 @@ def ignore_xlrd_time_clock_warning():
yield


@td.skip_if_no('xlrd', '1.0.0')
class ReadingTestsBase:
@td.skip_if_no('xlrd')
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Note that our project-wide minimum ix 1.0.0, so this decorator was being duplicative.

This decorator also won't be there in the long term once we completely couple TestReaders from xlrd, but keeping here for now

@pytest.mark.parametrize("ext", ['.xls', '.xlsx', '.xlsm'])
class TestReaders:
# This is based on ExcelWriterBase

@pytest.fixture(autouse=True, params=['xlrd', None])
Expand Down Expand Up @@ -844,7 +838,7 @@ def test_read_excel_squeeze(self, ext):
tm.assert_series_equal(actual, expected)


@td.skip_if_no('xlrd', '1.0.0')
@td.skip_if_no('xlrd')
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Comment might have been lost on a prior PR but the min xlrd version for pandas is 1.0.0 anyway, so this was duplicative

@pytest.mark.parametrize("ext", ['.xls', '.xlsx', '.xlsm'])
class TestRoundTrip:

Expand Down Expand Up @@ -1045,9 +1039,9 @@ def test_read_excel_parse_dates(self, ext):
tm.assert_frame_equal(df, res)


@td.skip_if_no('xlrd', '1.0.0')
@td.skip_if_no('xlrd')
@pytest.mark.parametrize("ext", ['.xls', '.xlsx', '.xlsm'])
class TestXlrdReader(ReadingTestsBase):
class TestXlrdReader:
"""
This is the base class for the xlrd tests, and 3 different file formats
are supported: xls, xlsx, xlsm
Expand Down Expand Up @@ -1149,9 +1143,11 @@ def test_excel_sheet_by_name_raise(self, *_):
with pytest.raises(xlrd.XLRDError):
pd.read_excel(xl, "0")

def test_excel_writer_context_manager(self, frame, frame2, *_):
def test_excel_writer_context_manager(self, frame, *_):
with ExcelWriter(self.path) as writer:
frame.to_excel(writer, "Data1")
frame2 = frame.copy()
frame2.columns = frame.columns[::-1]
frame2.to_excel(writer, "Data2")

with ExcelFile(self.path) as reader:
Expand Down Expand Up @@ -1318,7 +1314,7 @@ def test_sheets(self, merge_cells, engine, ext, frame, tsframe):
assert 'test1' == reader.sheet_names[0]
assert 'test2' == reader.sheet_names[1]

def test_colaliases(self, merge_cells, engine, ext, frame, frame2):
def test_colaliases(self, merge_cells, engine, ext, frame):
frame = frame.copy()
frame['A'][:5] = nan

Expand All @@ -1329,10 +1325,10 @@ def test_colaliases(self, merge_cells, engine, ext, frame, frame2):

# column aliases
col_aliases = Index(['AA', 'X', 'Y', 'Z'])
frame2.to_excel(self.path, 'test1', header=col_aliases)
frame.to_excel(self.path, 'test1', header=col_aliases)
reader = ExcelFile(self.path)
rs = pd.read_excel(reader, 'test1', index_col=0)
xp = frame2.copy()
xp = frame.copy()
xp.columns = col_aliases
tm.assert_frame_equal(xp, rs)

Expand Down