def test_subsecond_descriptive_timedelta():
"""Ensure time less than a second returns the special phrase."""
test_time = utc_now() - timedelta(microseconds=100)
assert descriptive_timedelta(test_time) == 'a moment ago'
def test_above_second_descriptive_timedelta():
"""Ensure it starts describing time in seconds above 1 second."""
test_time = utc_now() - timedelta(seconds=1, microseconds=100)
assert descriptive_timedelta(test_time) == '1 second ago'
def test_more_precision_above_an_hour():
"""Ensure the second precision level gets added just above an hour."""
test_time = utc_now() - timedelta(hours=1, minutes=1)
assert descriptive_timedelta(test_time) == '1 hour, 1 minute ago'
def test_single_precision_below_an_hour():
"""Ensure times under an hour only have one precision level."""
test_time = utc_now() - timedelta(minutes=59, seconds=59)
assert descriptive_timedelta(test_time) == '59 minutes ago'
def test_no_small_precision_descriptive_timedelta():
"""Ensure the extra precision doesn't apply to small units."""
test_time = utc_now() - timedelta(days=6, minutes=10)
assert descriptive_timedelta(test_time) == '6 days ago'
def test_more_precise_longer_descriptive_timedelta():
"""Ensure a longer time period gets the extra precision level."""
test_time = utc_now() - timedelta(days=2, hours=5)
assert descriptive_timedelta(test_time) == '2 days, 5 hours ago'
def test_descriptive_timedelta_basic():
"""Ensure a simple descriptive timedelta works correctly."""
test_time = utc_now() - timedelta(hours=3)
assert descriptive_timedelta(test_time) == '3 hours ago'