def test_sum_credits__large():
result = funcs.sum_credits([
course_from_str("MUSIC 111", credits=Decimal('1')),
course_from_str("MUSIC 111", credits=Decimal('2')),
])
assert result.value == Decimal('3')
assert result.data == (Decimal('1'), Decimal('2'))
assert len(result.courses) == 2
def test_sum_credits():
result = funcs.sum_credits([
course_from_str("MUSIC 111", credits=1),
course_from_str("ECON 123", credits=1),
course_from_str("ECON 125", credits=1),
])
assert result.value == 3
assert result.data == (1, 1, 1)
assert len(result.courses) == 3
def test_sum_credits__fractional():
result = funcs.sum_credits([
course_from_str("MUSIC 111", credits=Decimal('0.25')),
course_from_str("MUSIC 111", credits=Decimal('0.25')),
course_from_str("ECON 123", credits=Decimal('0.5')),
course_from_str("ECON 125", credits=Decimal('1')),
])
assert result.value == Decimal('2.00')
assert result.data == (Decimal('0.25'), Decimal('0.25'), Decimal('0.5'), Decimal('1'))
assert len(result.courses) == 4
def test_sum_credits__sorts_output():
result = funcs.sum_credits([
course_from_str("MUSIC 111", credits=3),
course_from_str("MUSIC 111", credits=2),
course_from_str("MUSIC 111", credits=1),
])
assert result.value == 6
# we assert that the output data does not match the input data, but is instead sorted
assert result.data == (1, 2, 3)
assert sorted(result.data) == sorted([1, 2, 3])
assert len(result.courses) == 3
def test_sum_credits__ignores_zeroes():
result = funcs.sum_credits([
course_from_str("MUSIC 111", credits=0),
course_from_str("ECON 123", credits=1),
course_from_str("ECON 125", credits=1),
])
assert result.value == 2
assert result.data == (1, 1)
# this is where we assert that we ignore 0-credit courses.
# if we didn't ignore them, this would report 3 courses.
assert len(result.courses) == 2