def test_unique():
"""Return True or False if the test of unique passes/fails"""
TEST_PASSED = True # Assume the test will succeed
numbers = [4, 5, 2, 6, 2, 3, 5, 8]
nums = unique(numbers)
counter = 0
for x in range(6):
try:
next(nums)
counter += 1
except StopIteration:
pass
if counter == 6:
return True
else:
return False
things = unique(['dog', 'cat', 'bird', 'cat', 'fish'])
counter = 0
for x in range(4):
try:
next(things)
counter += 1
except StopIteration:
pass
if counter != 4:
TEST_PASSED = False
return TEST_PASSED
def test_unique():
"""Return True/False if the test of unique passes/fails"""
numbers = [4, 5, 2, 6, 7, 2, 3, 5, 8]
expected = [4, 5, 2, 6, 7, 3, 8]
# Save the results from calling next.
result = []
nums = unique(numbers)
# We know there should be 7 numbers, so call next() 7 times to get them.
# Save them to compare later.
# Use a try/except just in case something goes wrong and we get a
# StopIteration error too early.
try:
result.append(next(nums))
result.append(next(nums))
result.append(next(nums))
result.append(next(nums))
result.append(next(nums))
result.append(next(nums))
result.append(next(nums))
except StopIteration:
# We shouldn't get any exceptions here
return False
# We should have all the numbers in the result list at this point.
# This call to next() should raise a StopIteration error.
try:
next(nums)
except StopIteration:
# Done, so now verify that the numbers we got back are correct.
if result != expected:
return False
else:
# We shouldn't get here if things work correctly.
return False
# Test 2, try with empty list
nums = unique([])
# Should get error first time.
try:
next(nums)
except StopIteration:
# Nothing to do here, since this is what we want to happen.
# Use pass to continue in case we add more tests after this one.
# (Rather than return True here, which would be OK,
# but I like having only one place for return True at the end.)
pass
else:
# We shouldn't get here if things work correctly.
return False
# All tests passed if we get here
return True
def test_unique():
i = 0
numbers = [2, 6, 5, 7, 7, 3, 9, 3, 2, 8]
nums = unique(numbers)
list1 = [2, 6, 5, 7, 3, 9, 8]
while (i < len(list1)):
if next(nums) == list1[i]:
i = i + 1
continue
else:
return False
try:
next(nums)
except StopIteration:
return True
else:
return False
def test_unique():
"""Return True/False if the test of unique passes/fails"""
numbers = [4, 5, 2, 6, 2, 3, 5, 8]
nums = unique(numbers)
try:
x = next(nums)
y = next(nums)
z = next(nums)
m = next(nums)
n = next(nums)
q = next(nums)
if x == 4:
if y == 5:
if z == 2:
if m == 6:
if n == 3:
if q == 8:
next(nums)
except StopIteration:
return True
return False
assert (len_safe(7) == -1)
assert (len_safe(None) == -1)
assert (len_safe('cat') == 3)
assert (len_safe('') == 0)
animals = ['dog', 'cat', 'bird', 'cat', 'fish']
assert (len_safe(animals) == 5)
assert (len_safe(math.pi) == -1)
### Part 3: unique
numbers = [4, 5, 2, 6, 2, 3, 5, 8]
nums = unique(numbers)
assert (next(nums) == 4)
assert (next(nums) == 5)
assert (next(nums) == 2)
assert (next(nums) == 6)
assert (next(nums) == 3)
assert (next(nums) == 8)
try:
next(nums)
except:
pass
#print('StopIteation')
things = unique(['dog', 'cat', 'bird', 'cat', 'fish'])
assert (next(things) == 'dog')
assert (next(things) == 'cat')