Files
ahriman/tests/ahriman/models/test_series_statistics.py

81 lines
1.6 KiB
Python

from ahriman.models.series_statistics import SeriesStatistics
def test_max() -> None:
"""
must return maximal value
"""
assert SeriesStatistics([1, 3, 2]).max == 3
def test_max_empty() -> None:
"""
must return None as maximal value if series is empty
"""
assert SeriesStatistics([]).max is None
def test_mean() -> None:
"""
must return mean value
"""
assert SeriesStatistics([1, 3, 2]).mean == 2
def test_mean_empty() -> None:
"""
must return None as mean value if series is empty
"""
assert SeriesStatistics([]).mean is None
def test_min() -> None:
"""
must return minimal value
"""
assert SeriesStatistics([1, 3, 2]).min == 1
def test_min_empty() -> None:
"""
must return None as minimal value if series is empty
"""
assert SeriesStatistics([]).min is None
def test_st_dev() -> None:
"""
must return standard deviation
"""
assert SeriesStatistics([1, 3, 2]).st_dev == 1
def test_st_dev_empty() -> None:
"""
must return None as standard deviation if series is empty
"""
assert SeriesStatistics([]).st_dev is None
def test_st_dev_single() -> None:
"""
must return 0 as standard deviation if series contains only one element
"""
assert SeriesStatistics([1]).st_dev == 0
def test_total() -> None:
"""
must return size of collection
"""
assert SeriesStatistics([1]).total == 1
assert SeriesStatistics([]).total == 0
def test_bool() -> None:
"""
must correctly define empty collection
"""
assert SeriesStatistics([1])
assert not SeriesStatistics([])