[lang-ref] ( string_split_lines ) ( python )

@pytest.mark.parametrize(
    'text, count',
    [
        ('aa\nbb\ncc', 3),
        ('aa\nbb\ncc\n', 3),   # the last newline is ignored
        ('aa\nbb\ncc\n\n', 4), # only a single trailing newline is ignored
        ('\naa\nbb\ncc', 4),   # a leading newline is not ignored
        ('aa\n\nbb\ncc', 4),   # a middle newline is not ignored
    ],
)
def test_string_split_lines(text, count):
    # split lines
    lines = text.splitlines()
    assert len(lines) == count

def test_string_split_lines():
    lines = '''\
aaa
bbb
ccc
'''
    r = ''
    for line in lines.splitlines():
        r += line.strip()

    assert r == 'aaabbbccc'

@pytest.mark.parametrize(
    'text, count',
    [
        ('aa\nbb\ncc', 3),
        ('aa\nbb\ncc\n', 4),
        ('aa\nbb\ncc\n\n', 5),
        ('\naa\nbb\ncc', 4),
        ('aa\n\nbb\ncc', 4),
    ],
)
def test_string_split_lines_alternative1(text, count):
    import re
    lines = re.split(r'\r?\n', text)
    assert len(lines) == count

@pytest.mark.parametrize(
    'text, count',
    [
        ('aa\nbb\ncc', 3),
        ('aa\nbb\ncc\n', 3),
        ('aa\nbb\ncc\n\n', 3),
        ('\naa\nbb\ncc', 4),
        ('aa\n\nbb\ncc', 4),
    ],
)
def test_string_split_lines_alternative2(text, count):
    lines = text.rstrip().splitlines()
    assert len(lines) == count