def test_snip():
"""
checks if the start and end index lies within the range of list.
If the index is greater than the list size, Index out of Bounds assetion is thrown.
:return: None
"""
dna_list = DNAList("SNIPTEST")
dna_list.snip(0, 4)
print(dna_list)
pass
def test1():
"""
This is a simple test case which checks all the functions
:return:
"""
print("TEST CASE 1")
dna = DNAList()
# items with values will be appended in the gene list
dna.append("A")
dna.append("B")
dna.append("C")
print("After append method ", dna)
other = DNAList()
other.append("D")
other.append("E")
other.append("F")
other.append("G")
# list with values will be appended in the gene list
dna.join(other)
print("After join method with the list provided", dna)
# if gene list is not empty then it will copy the current items in the list in a new list
newList = dna.copy()
print("After copy method", newList)
newother = DNAList()
newother.append("H")
newother.append("I")
newother.append("J")
newother.append("K")
# list with elements after the index will be added in the list
dna.splice(4, newother)
print("After splice method at index 4 ", dna)
# index of elements specified will be removed from the list
dna.snip(4, 5)
print("After snip method with index 4 and 5 ", dna)
newotherlist = DNAList()
newotherlist.append("W")
newotherlist.append("Q")
newotherlist.append("R")
# the string given will be replaced with the list given
dna.replace("BCD", newotherlist)
print("After replace method with string BCD", dna)
print()
temp1.splice(1, temp2)
test('AGTCACGT', str(temp1))
# Test splice at the end
# Test case 13
temp1, temp2 = DNAList('ACGT'), DNAList('GTCA')
temp1.splice(4, temp2)
test('ACGTGTCA', str(temp1))
# Test snip function
print("Testing snip function:")
# Test snip middle part
# Test case 14
temp1 = DNAList('ACGTGA')
temp1.snip(1, 2)
test('AGTGA', str(temp1))
# Test snip front part
# Test case 15
temp1 = DNAList('ACGTGA')
temp1.snip(0, 2)
test('GTGA', str(temp1))
# Test snip end part
# Note: if the end index is out of bound, all items from the
# begining index until the end of the DNAList will be deleted.
# Test case 16
temp1 = DNAList('ACGTGA')
temp1.snip(2, 10)
test('AC', str(temp1))
def snip_Tester():
test = DNAList('AACCGGTT')
test.snip(1, 4)
print('Indices in range' + " " + test.__str__())
test = DNAList('AACCGGTT')
test.snip(1, 8)
print('Index is not in range' + " " + test.__str__())
test = DNAList('AACCGGTT')
test.snip(0, 7)
print('Snip using boundary indices' + " " + test.__str__())
test = DNAList('AACCGGTT')
test.snip(1, 1)
print('Illegal passing of arguments' + " " + test.__str__())
test = DNAList('AACCGGTT')
test.snip(1, -4)
print('Negative value of arguments' + " " + test.__str__())
test = DNAList('AACCGGTT')
test.snip(4, 1)
print('i1 is greater than i2 ' + " " + test.__str__())
test = DNAList('AACCGGTT')
test.snip(3, 3)
print('i1 equal to i2 ' + " " + test.__str__())
test = DNAList('AACCGGTT')
test.snip(0, 0)
print('i1 and i2 equals to 0' + " " + test.__str__())