def test5():
""" test copying of a segment of a list. Requires
that constructDnaList and convertDnaListToString are working."""
print("Testing copySegment")
dnaList1 = constructDnaList("AGCTAGCT")
try:
copySegment(dnaList1, -1, 1)
print(False) # failed test if this doesn't raise an error
except IndexError:
print(True) # passed the test if this raised an error
dnaList1 = constructDnaList("AGCTAGCT")
try:
copySegment(dnaList1, 8, 1)
print(False) # failed test if this doesn't raise an error
except IndexError:
print(True)
dnaList1 = constructDnaList("AGCTAGCT")
try:
copySegment(dnaList1, 4, -2)
print(False) # failed test if this doesn't raise an error
except ValueError:
print(True)
dnaList1 = constructDnaList("AGCTAGCT")
try:
copySegment(dnaList1, 5, 6)
print(False) # failed test if this doesn't raise an error
except IndexError:
print(True)
dnaList1 = constructDnaList("AGCTAGCT")
copySegment(dnaList1, 4, 0)
print(convertDnaListToString(dnaList1) == "AGCTAGCT")
dnaList1 = constructDnaList("AGCTAGCT")
copySegment(dnaList1, 0, 3)
print(convertDnaListToString(dnaList1) == "AGCAGCTAGCT")
dnaList1 = constructDnaList("AGCAGCTAGCT")
copySegment(dnaList1, 5, 5)
print(convertDnaListToString(dnaList1) == "AGCAGCTAGCCTAGCT")
dnaList1 = constructDnaList("AGCT")
copySegment(dnaList1, 1, 3)
print(convertDnaListToString(dnaList1) == "AGCTGCT")
print()
def test1():
""" tests list construction and conversion back to string"""
print("Testing constructDnaList and convertDnaListToString")
dnaList1 = constructDnaList("ATC")
print(dnaList1.head.data == "A" and dnaList1.head.next.data == "T"
and dnaList1.head.next.next.data == "C"
and dnaList1.head.next.next.next == None and dnaList1.size == 3)
dnaList2 = createList()
append(dnaList2, "C")
append(dnaList2, "G")
append(dnaList2, "T")
dnaStr2 = convertDnaListToString(dnaList2)
print(dnaStr2 == "CGT")
dnaList3 = constructDnaList("")
print(dnaList3.head == None)
dnaStr3 = convertDnaListToString(createList())
print(dnaStr3 == "")
print()
def test4():
""" test deletion of a segment of a list. Requires
that constructDnaList and convertDnaListToString are working."""
print("Testing deleteSegment")
dnaList1 = constructDnaList("AGCTAGCTAGCT")
try:
deleteSegment(dnaList1, -1, 1)
print(False) # failed test if this doesn't raise an error
except IndexError:
print(True) # passed the test if this raised an error
dnaList1 = constructDnaList("AGCTAGCTAGCT")
try:
deleteSegment(dnaList1, 12, 1)
print(False) # failed test if this doesn't raise an error
except IndexError:
print(True)
dnaList1 = constructDnaList("AGCTAGCTAGCT")
try:
deleteSegment(dnaList1, 4, -2)
print(False) # failed test if this doesn't raise an error
except ValueError:
print(True)
dnaList1 = constructDnaList("AGCTAGCTAGCT")
try:
deleteSegment(dnaList1, 7, 9)
print(False) # failed test if this doesn't raise an error
except IndexError:
print(True)
dnaList1 = constructDnaList("AGCTAGCTAGCT")
deleteSegment(dnaList1, 4, 0)
print(convertDnaListToString(dnaList1) == "AGCTAGCTAGCT")
dnaList1 = constructDnaList("AGCTAGCTAGCT")
deleteSegment(dnaList1, 0, 3)
print(convertDnaListToString(dnaList1) == "TAGCTAGCT")
dnaList1 = constructDnaList("AGCTAGCTAGCT")
deleteSegment(dnaList1, 2, 2)
print(convertDnaListToString(dnaList1) == "AGAGCTAGCT")
dnaList1 = constructDnaList("AGCTAGCTAGCT")
deleteSegment(dnaList1, 8, 4)
print(convertDnaListToString(dnaList1) == "AGCTAGCT")
print()
def test2():
""" tests isPairing function"""
print("Testing isPairing")
dnaList1 = constructDnaList("")
dnaList2 = constructDnaList("")
print(isPairing(dnaList1, dnaList2) == True)
dnaList1 = constructDnaList("ACTAG")
dnaList2 = constructDnaList("TGAGT")
print(isPairing(dnaList1, dnaList2) == False)
dnaList1 = constructDnaList("CGTACG")
dnaList2 = constructDnaList("GCAT")
print(isPairing(dnaList1, dnaList2) == False)
dnaList1 = constructDnaList("GCTAGCTA")
dnaList2 = constructDnaList("GCTAGCTA")
print(isPairing(dnaList1, dnaList2) == False)
dnaList1 = constructDnaList("AATTCCGG")
dnaList2 = constructDnaList("TTAAGGCC")
print(isPairing(dnaList1, dnaList2) == True)
print()
def test3():
""" test insertion of a list into another. Requires
that constructDnaList and convertDnaListToString are working."""
print("Testing insertListAt")
dnaList1 = constructDnaList("AGCT")
dnaList2 = constructDnaList("TTA")
try:
insertListAt(dnaList1, 5, dnaList2)
print(False) # failed test if this doesn't raise an error
except IndexError:
print(True) # passed the test if this raised an error
dnaList1 = constructDnaList("AGCT")
dnaList2 = constructDnaList("TTA")
try:
insertListAt(dnaList1, -1, dnaList2)
print(False) # failed test if this doesn't raise an error
except IndexError:
print(True)
dnaList1 = constructDnaList("AGCT")
dnaList2 = constructDnaList("TTA")
insertListAt(dnaList1, 0, dnaList2)
print(convertDnaListToString(dnaList1) == "TTAAGCT")
print(convertDnaListToString(dnaList2) == "")
print(dnaList1.size == 7)
print(dnaList2.size == 0)
dnaList1 = constructDnaList("AGCT")
dnaList2 = constructDnaList("TTA")
insertListAt(dnaList1, 2, dnaList2)
print(convertDnaListToString(dnaList1) == "AGTTACT")
dnaList1 = constructDnaList("AGCT")
dnaList2 = constructDnaList("TTA")
insertListAt(dnaList1, 4, dnaList2)
print(convertDnaListToString(dnaList1) == "AGCTTTA")
dnaList1 = constructDnaList("TTA")
dnaList2 = constructDnaList("")
insertListAt(dnaList2, 0, dnaList1)
print(convertDnaListToString(dnaList2) == "TTA")
dnaList1 = constructDnaList("AGCT")
dnaList2 = constructDnaList("")
insertListAt(dnaList1, 2, dnaList2)
print(convertDnaListToString(dnaList1) == "AGCT")
print()