Attempt to fix CSV series roundtrip

Author: dhimmel

pandas/tests/test_common.py

@@ -274,20 +274,20 @@ def test_dataframe_compression_defaults_to_infer(
     tm.assert_frame_equal(output, input)
 
 
-@pytest.mark.parametrize('write_method, read_method, read_kwargs', [
-    ('to_csv', pandas.Series.from_csv, {}),
-    ('to_json', pandas.read_json, {'typ': 'series'}),
-    ('to_pickle', pandas.read_pickle, {}),
+@pytest.mark.parametrize('write_method,write_kwargs,read_method,read_kwargs', [
+    ('to_csv', {'index': False, 'header': True}, pandas.read_csv, {'squeeze': True}),
+    ('to_json', {}, pandas.read_json, {'typ': 'series'}),
+    ('to_pickle', {}, pandas.read_pickle, {}),
 ])
 def test_series_compression_defaults_to_infer(
-        write_method, read_method, read_kwargs, compression_only):
+        write_method, write_kwargs, read_method, read_kwargs, compression_only):
     # Test that Series.to_* methods default to inferring compression from
     # paths. https://github.com/pandas-dev/pandas/pull/22011
-    input = Series(100 * [0, 5, -2, 10])
+    input = Series([0, 5, -2, 10], name='X')
     extension = _compression_to_extension[compression_only]
     with tm.ensure_clean('compressed' + extension) as path:
         # assumes that compression='infer' is the default
-        getattr(input, write_method)(path)
+        getattr(input, write_method)(path, **write_kwargs)
         output = read_method(path, compression=compression_only, **read_kwargs)
     tm.assert_series_equal(output, input)