def test_pre_check_warn_if_not_all_seq_items_used(self, capsys):
# we issue a warning if not all sequence items will be used
src = RealDiceRandomSource(None)
src.dice_sides = 10
src.pre_check(1, list(range(10)))
out, err = capsys.readouterr()
assert "entropy is reduced" not in out
src.pre_check(1, list(range(11)))
out, err = capsys.readouterr()
assert "entropy is reduced" in out
def test_pre_check_warn_if_not_all_seq_items_used(self, capsys):
# we issue a warning if not all sequence items will be used
src = RealDiceRandomSource(None)
src.dice_sides = 10
src.pre_check(1, list(range(10)))
out, err = capsys.readouterr()
assert "entropy is reduced" not in out
src.pre_check(1, list(range(11)))
out, err = capsys.readouterr()
assert "entropy is reduced" in out
def test_pre_check_requests_rolling_dice(self, capsys):
# we request the user to roll dice
src = RealDiceRandomSource(None)
src.pre_check(5, ['doesntmatter'])
out, err = capsys.readouterr()
assert "Please roll 5 dice (or a single dice 5 times)." in out
def test_pre_check_no_rolls_cause_exception(self):
# we cannot pick zero items of a sequence
src = RealDiceRandomSource(None)
with pytest.raises(ValueError):
src.pre_check(0, list(range(6)))
def test_pre_check_requests_rolling_dice(self, capsys):
# we request the user to roll dice
src = RealDiceRandomSource(None)
src.pre_check(5, ['doesntmatter'])
out, err = capsys.readouterr()
assert "Please roll 5 dice (or a single dice 5 times)." in out
def test_pre_check_no_rolls_cause_exception(self):
# we cannot pick zero items of a sequence
src = RealDiceRandomSource(None)
with pytest.raises(ValueError):
src.pre_check(0, list(range(6)))