def test_whitespace():
"""Ensure that whitespace is properly inserted.
"""
assert sparkline([0, None, 1]) == '▁ █'
def test_exclude():
"""Ensure that out-of-bounds values are excluded.
"""
assert sparkline([-1, 0, None, 1, 2], min_value=0, max_value=1) == '▁ █'
def test_sparkline_highlight_low():
"""Ensure that highlight low numbers are highlighted.
"""
assert sparkline(
[0, 1, 2], highlight_low=1,
highlight_low_color='{fg_magenta}') == '{fg_magenta}▁{fg_reset}▅█'
def test_sparkline_simple():
"""Test a simple sparkline
"""
assert sparkline([5, 9, 3, 15]) == '▂▅▁█'
def test_sparkline_highlight_high():
"""Ensure that highlight high numbers are highlighted.
"""
assert sparkline(
[0, 1, 2], highlight_high=1,
highlight_high_color='{fg_magenta}') == '▁▅{fg_magenta}█{fg_reset}'
def test_sparkline_negative_positive():
"""Ensure that negative and positive numbers are highlighted.
"""
assert sparkline(
[-1, 0, 1], positive_color='{fg_green}'
) == '{fg_red}▁{fg_reset}{fg_green}▅{fg_reset}{fg_green}█{fg_reset}'
def test_sparkline_negative():
"""Ensure that negative numbers are highlighted.
"""
assert sparkline([-1, 0, 1]) == '{fg_red}▁{fg_reset}▅█'
def test_sparkline_corner2():
"""Test a common corner case
"""
assert sparkline([0, 999, 4000, 4999, 7000, 7999]) == '▁▁▅▅██'
def test_sparkline_corner1():
"""Test a common corner case
"""
assert sparkline([0, 1, 19, 20]) == '▁▁██'