def test_concat_with_pipe_by_name():
obs = utils.concat_with_pipe(TEST_CONCAT_SERIES, ['f', 'z'])
assert obs == 'foo|baz'
def test_concat_with_pipe_exclude_nan():
s = TEST_CONCAT_SERIES.copy()
s['b'] = np.nan
obs = utils.concat_with_pipe(s)
assert obs == 'foo|baz'
def test_concat_with_pipe_by_name():
obs = utils.concat_with_pipe(TEST_CONCAT_SERIES, ["f", "z"])
assert obs == "foo|baz"
def test_concat_with_pipe_all():
obs = utils.concat_with_pipe(TEST_CONCAT_SERIES)
assert obs == 'foo|bar|baz'
def test_concat_with_pipe_exclude_none():
s = TEST_CONCAT_SERIES.copy()
s["b"] = None
obs = utils.concat_with_pipe(s)
assert obs == "foo|baz"
