You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
133 lines
3.9 KiB
Python
133 lines
3.9 KiB
Python
import pytest
|
|
|
|
from pandas import Series
|
|
from pandas.core.strings.accessor import StringMethods
|
|
|
|
_any_string_method = [
|
|
("cat", (), {"sep": ","}),
|
|
("cat", (Series(list("zyx")),), {"sep": ",", "join": "left"}),
|
|
("center", (10,), {}),
|
|
("contains", ("a",), {}),
|
|
("count", ("a",), {}),
|
|
("decode", ("UTF-8",), {}),
|
|
("encode", ("UTF-8",), {}),
|
|
("endswith", ("a",), {}),
|
|
("endswith", ((),), {}),
|
|
("endswith", (("a",),), {}),
|
|
("endswith", (("a", "b"),), {}),
|
|
("endswith", (("a", "MISSING"),), {}),
|
|
("endswith", ("a",), {"na": True}),
|
|
("endswith", ("a",), {"na": False}),
|
|
("extract", ("([a-z]*)",), {"expand": False}),
|
|
("extract", ("([a-z]*)",), {"expand": True}),
|
|
("extractall", ("([a-z]*)",), {}),
|
|
("find", ("a",), {}),
|
|
("findall", ("a",), {}),
|
|
("get", (0,), {}),
|
|
# because "index" (and "rindex") fail intentionally
|
|
# if the string is not found, search only for empty string
|
|
("index", ("",), {}),
|
|
("join", (",",), {}),
|
|
("ljust", (10,), {}),
|
|
("match", ("a",), {}),
|
|
("fullmatch", ("a",), {}),
|
|
("normalize", ("NFC",), {}),
|
|
("pad", (10,), {}),
|
|
("partition", (" ",), {"expand": False}),
|
|
("partition", (" ",), {"expand": True}),
|
|
("repeat", (3,), {}),
|
|
("replace", ("a", "z"), {}),
|
|
("rfind", ("a",), {}),
|
|
("rindex", ("",), {}),
|
|
("rjust", (10,), {}),
|
|
("rpartition", (" ",), {"expand": False}),
|
|
("rpartition", (" ",), {"expand": True}),
|
|
("slice", (0, 1), {}),
|
|
("slice_replace", (0, 1, "z"), {}),
|
|
("split", (" ",), {"expand": False}),
|
|
("split", (" ",), {"expand": True}),
|
|
("startswith", ("a",), {}),
|
|
("startswith", (("a",),), {}),
|
|
("startswith", (("a", "b"),), {}),
|
|
("startswith", (("a", "MISSING"),), {}),
|
|
("startswith", ((),), {}),
|
|
("startswith", ("a",), {"na": True}),
|
|
("startswith", ("a",), {"na": False}),
|
|
("removeprefix", ("a",), {}),
|
|
("removesuffix", ("a",), {}),
|
|
# translating unicode points of "a" to "d"
|
|
("translate", ({97: 100},), {}),
|
|
("wrap", (2,), {}),
|
|
("zfill", (10,), {}),
|
|
] + list(
|
|
zip(
|
|
[
|
|
# methods without positional arguments: zip with empty tuple and empty dict
|
|
"capitalize",
|
|
"cat",
|
|
"get_dummies",
|
|
"isalnum",
|
|
"isalpha",
|
|
"isdecimal",
|
|
"isdigit",
|
|
"islower",
|
|
"isnumeric",
|
|
"isspace",
|
|
"istitle",
|
|
"isupper",
|
|
"len",
|
|
"lower",
|
|
"lstrip",
|
|
"partition",
|
|
"rpartition",
|
|
"rsplit",
|
|
"rstrip",
|
|
"slice",
|
|
"slice_replace",
|
|
"split",
|
|
"strip",
|
|
"swapcase",
|
|
"title",
|
|
"upper",
|
|
"casefold",
|
|
],
|
|
[()] * 100,
|
|
[{}] * 100,
|
|
)
|
|
)
|
|
ids, _, _ = zip(*_any_string_method) # use method name as fixture-id
|
|
missing_methods = {f for f in dir(StringMethods) if not f.startswith("_")} - set(ids)
|
|
|
|
# test that the above list captures all methods of StringMethods
|
|
assert not missing_methods
|
|
|
|
|
|
@pytest.fixture(params=_any_string_method, ids=ids)
|
|
def any_string_method(request):
|
|
"""
|
|
Fixture for all public methods of `StringMethods`
|
|
|
|
This fixture returns a tuple of the method name and sample arguments
|
|
necessary to call the method.
|
|
|
|
Returns
|
|
-------
|
|
method_name : str
|
|
The name of the method in `StringMethods`
|
|
args : tuple
|
|
Sample values for the positional arguments
|
|
kwargs : dict
|
|
Sample values for the keyword arguments
|
|
|
|
Examples
|
|
--------
|
|
>>> def test_something(any_string_method):
|
|
... s = Series(['a', 'b', np.nan, 'd'])
|
|
...
|
|
... method_name, args, kwargs = any_string_method
|
|
... method = getattr(s.str, method_name)
|
|
... # will not raise
|
|
... method(*args, **kwargs)
|
|
"""
|
|
return request.param
|