def test_calculate_band_confidence_score_is_non_negative():
mastery_score, score, attempts = 0.7, -1., 1.
try:
algorithm._calculate_band_confidence(mastery_score, score, attempts)
assert False
except Exception as error:
assert error.__class__.__name__ == 'ValueError'
assert str(error) == f"{score} < 0 : score should be non-negative"
def test_calculate_band_confidence_score_lt_attempts():
mastery_score, score, attempts = 0.7, 2., 1.
try:
algorithm._calculate_band_confidence(mastery_score, score, attempts)
assert False
except Exception as error:
assert error.__class__.__name__ == 'ValueError'
assert str(
error
) == f"{score} > {attempts} : score should be less than or equal to attempts"
def test_calculate_band_confidence_attempts_is_float():
mastery_score, score, attempts = 0.7, 1., 1
try:
algorithm._calculate_band_confidence(mastery_score, score, attempts)
assert False
except Exception as error:
assert error.__class__.__name__ == 'TypeError'
assert str(
error
) == f"attempts should be a float, a {attempts.__class__.__name__} was provided"
def test_calculate_band_confidence_mastery_score_in_0_to_1():
mastery_score, score, attempts = -0.7, 1., 1.
try:
algorithm._calculate_band_confidence(mastery_score, score, attempts)
assert False
except Exception as error:
assert error.__class__.__name__ == 'ValueError'
assert str(
error
) == f"unexpected value encountered : mastery_score should be in the interval [0, 1]"
mastery_score, score, attempts = 7., 1., 1.
try:
algorithm._calculate_band_confidence(mastery_score, score, attempts)
assert False
except Exception as error:
assert error.__class__.__name__ == 'ValueError'
assert str(
error
) == f"unexpected value encountered : mastery_score should be in the interval [0, 1]"
def test_calculate_band_confidence_in_range_0_to_1():
confidence = algorithm._calculate_band_confidence(0.5, 1., 2.)
assert confidence == pytest.approx(0.5, abs=0.5)
def test_calculate_band_confidence_returns_float():
confidence = algorithm._calculate_band_confidence(0.5, 1., 2.)
assert isinstance(confidence, float)
