def test_is_greater_wierd_chrom():
## GIVEN two positions where one chrom is unknown b
a = Position('1', 100)
b = Position('GRLrs2', 300)
## WHEN testing if a is greater than b
res = is_greater(a, b)
## THEN assert a was not greater than b
assert res is False
## WHEN testing if b is greater than a
res = is_greater(b, a)
## THEN assert a was not greater than b
assert res is False
def test_is_greater_different_chrom():
## GIVEN two positions where a is smaller than b. Different chroms
a = Position('1', 100)
b = Position('3', 100)
## WHEN testing if a is greater than b
res = is_greater(a, b)
## THEN assert a was not greater than b
assert res is False
## WHEN testing if b is greater than a
res = is_greater(b, a)
## THEN assert b was greater than a
assert res is True
def test_is_greater_same_chrom():
## GIVEN two positions where a is smaller than b. Same chroms
a = Position("1", 100)
b = Position("1", 300)
## WHEN testing if a is greater than b
res = is_greater(a, b)
## THEN assert a was not greater than b
assert res is False
## WHEN testing if b is greater than a
res = is_greater(b, a)
## THEN assert b was greater than a
assert res is True