def test_complement__multiple_nts_mixed_case():
assert_equal(complement("aGtCn"), "tCaGn")
def test_complement__multiple_nts_upper():
assert_equal(complement(_REF_SRC), _REF_DST)
def test_complement__multiple_nts_lower():
assert_equal(complement(_REF_SRC.lower()), _REF_DST.lower())
def test_complement__multiple_nts_mixed_case():
assert complement("aGtCn") == "tCaGn"
def test_function(source, destination):
assert_equal(complement(source), destination)
def test_complement__multiple_nts_upper():
assert complement(_REF_SRC) == _REF_DST
def test_complement__multiple_nts_lower():
assert complement(_REF_SRC.lower()) == _REF_DST.lower()
def test_complement__single_nt(src, dst):
assert complement(src) == dst
assert complement(src.lower()) == dst.lower()
def test_complement__multiple_nts_mixed_case():
assert_equal(complement("aGtCn"), "tCaGn")
def test_complement__multiple_nts_lower():
assert_equal(complement(_REF_SRC.lower()), _REF_DST.lower())
def test_complement__multiple_nts_upper():
assert_equal(complement(_REF_SRC), _REF_DST)
def test_function(source, destination):
assert_equal(complement(source), destination)