def test_total_worked_hours_with_null_start_date():
start = None
t = create_task()
r = Recorder()
r.add(t)
with pytest.raises(Exception):
r.total_worked_hours(start)
def test_total_worked_hours_with_future_start_date():
start = datetime(2200, 1, 1)
t = create_task()
r = Recorder()
r.add(t)
with pytest.raises(Exception):
r.total_worked_hours(start)
def test_total_worked_hours_with_expected_date():
start = datetime(2018, 1, 1)
t = create_task()
r = Recorder()
r.add(t)
actual_result = r.total_worked_hours(start)
expected_result = 1.0
assert expected_result == actual_result
def test_total_worked_hours_without_record():
start = datetime(2015, 1, 1)
r = Recorder()
with pytest.raises(Exception):
r.total_worked_hours(start)