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#273: Remove nose dependency for stacks_queues/ (#276)

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This commit is contained in:
Donne Martin
2020-07-08 19:57:55 -04:00
committed by GitHub
parent 0e7ed80228
commit 139e157250
23 changed files with 290 additions and 373 deletions
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39
stacks_queues/stack_min/test_stack_min.py
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@@ -1,37 +1,36 @@
import sys
from nose.tools import assert_equal
import unittest
class TestStackMin(object):
class TestStackMin(unittest.TestCase):
def test_stack_min(self):
print('Test: Push on empty stack, non-empty stack')
stack = StackMin()
stack.push(5)
assert_equal(stack.peek(), 5)
assert_equal(stack.minimum(), 5)
self.assertEqual(stack.peek(), 5)
self.assertEqual(stack.minimum(), 5)
stack.push(1)
assert_equal(stack.peek(), 1)
assert_equal(stack.minimum(), 1)
self.assertEqual(stack.peek(), 1)
self.assertEqual(stack.minimum(), 1)
stack.push(3)
assert_equal(stack.peek(), 3)
assert_equal(stack.minimum(), 1)
self.assertEqual(stack.peek(), 3)
self.assertEqual(stack.minimum(), 1)
stack.push(0)
assert_equal(stack.peek(), 0)
assert_equal(stack.minimum(), 0)
self.assertEqual(stack.peek(), 0)
self.assertEqual(stack.minimum(), 0)
print('Test: Pop on non-empty stack')
assert_equal(stack.pop(), 0)
assert_equal(stack.minimum(), 1)
assert_equal(stack.pop(), 3)
assert_equal(stack.minimum(), 1)
assert_equal(stack.pop(), 1)
assert_equal(stack.minimum(), 5)
assert_equal(stack.pop(), 5)
assert_equal(stack.minimum(), sys.maxsize)
self.assertEqual(stack.pop(), 0)
self.assertEqual(stack.minimum(), 1)
self.assertEqual(stack.pop(), 3)
self.assertEqual(stack.minimum(), 1)
self.assertEqual(stack.pop(), 1)
self.assertEqual(stack.minimum(), 5)
self.assertEqual(stack.pop(), 5)
self.assertEqual(stack.minimum(), sys.maxsize)
print('Test: Pop empty stack')
assert_equal(stack.pop(), None)
self.assertEqual(stack.pop(), None)
print('Success: test_stack_min')