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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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2
stacks_queues/stack/stack.py
View File

@@ -24,4 +24,4 @@ class Stack(object):
return self.top.data if self.top is not None else None
def is_empty(self):
return self.peek() is None
return self.peek() is None

40
stacks_queues/stack/stack_challenge.ipynb
View File

@@ -88,9 +88,7 @@
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"collapsed": false
},
"metadata": {},
"outputs": [],
"source": [
"class Node(object):\n",
@@ -137,44 +135,42 @@
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"collapsed": false
},
"metadata": {},
"outputs": [],
"source": [
"# %load test_stack.py\n",
"from nose.tools import assert_equal\n",
"import unittest\n",
"\n",
"\n",
"class TestStack(object):\n",
"class TestStack(unittest.TestCase):\n",
"\n",
" # TODO: It would be better if we had unit tests for each\n",
" # method in addition to the following end-to-end test\n",
" def test_end_to_end(self):\n",
" print('Test: Empty stack')\n",
" stack = Stack()\n",
" assert_equal(stack.peek(), None)\n",
" assert_equal(stack.pop(), None)\n",
" self.assertEqual(stack.peek(), None)\n",
" self.assertEqual(stack.pop(), None)\n",
"\n",
" print('Test: One element')\n",
" top = Node(5)\n",
" stack = Stack(top)\n",
" assert_equal(stack.pop(), 5)\n",
" assert_equal(stack.peek(), None)\n",
" self.assertEqual(stack.pop(), 5)\n",
" self.assertEqual(stack.peek(), None)\n",
"\n",
" print('Test: More than one element')\n",
" stack = Stack()\n",
" stack.push(1)\n",
" stack.push(2)\n",
" stack.push(3)\n",
" assert_equal(stack.pop(), 3)\n",
" assert_equal(stack.peek(), 2)\n",
" assert_equal(stack.pop(), 2)\n",
" assert_equal(stack.peek(), 1)\n",
" assert_equal(stack.is_empty(), False)\n",
" assert_equal(stack.pop(), 1)\n",
" assert_equal(stack.peek(), None)\n",
" assert_equal(stack.is_empty(), True)\n",
" self.assertEqual(stack.pop(), 3)\n",
" self.assertEqual(stack.peek(), 2)\n",
" self.assertEqual(stack.pop(), 2)\n",
" self.assertEqual(stack.peek(), 1)\n",
" self.assertEqual(stack.is_empty(), False)\n",
" self.assertEqual(stack.pop(), 1)\n",
" self.assertEqual(stack.peek(), None)\n",
" self.assertEqual(stack.is_empty(), True)\n",
"\n",
" print('Success: test_end_to_end')\n",
"\n",
@@ -214,9 +210,9 @@
"name": "python",
"nbconvert_exporter": "python",
"pygments_lexer": "ipython3",
"version": "3.5.0"
"version": "3.7.2"
}
},
"nbformat": 4,
"nbformat_minor": 0
"nbformat_minor": 1
}

48
stacks_queues/stack/stack_solution.ipynb
View File

@@ -124,9 +124,7 @@
{
"cell_type": "code",
"execution_count": 1,
"metadata": {
"collapsed": false
},
"metadata": {},
"outputs": [
{
"name": "stdout",
@@ -170,9 +168,7 @@
{
"cell_type": "code",
"execution_count": 2,
"metadata": {
"collapsed": false
},
"metadata": {},
"outputs": [],
"source": [
"%run stack.py"
@@ -189,9 +185,7 @@
{
"cell_type": "code",
"execution_count": 3,
"metadata": {
"collapsed": false
},
"metadata": {},
"outputs": [
{
"name": "stdout",
@@ -203,38 +197,38 @@
],
"source": [
"%%writefile test_stack.py\n",
"from nose.tools import assert_equal\n",
"import unittest\n",
"\n",
"\n",
"class TestStack(object):\n",
"class TestStack(unittest.TestCase):\n",
"\n",
" # TODO: It would be better if we had unit tests for each\n",
" # method in addition to the following end-to-end test\n",
" def test_end_to_end(self):\n",
" print('Test: Empty stack')\n",
" stack = Stack()\n",
" assert_equal(stack.peek(), None)\n",
" assert_equal(stack.pop(), None)\n",
" self.assertEqual(stack.peek(), None)\n",
" self.assertEqual(stack.pop(), None)\n",
"\n",
" print('Test: One element')\n",
" top = Node(5)\n",
" stack = Stack(top)\n",
" assert_equal(stack.pop(), 5)\n",
" assert_equal(stack.peek(), None)\n",
" self.assertEqual(stack.pop(), 5)\n",
" self.assertEqual(stack.peek(), None)\n",
"\n",
" print('Test: More than one element')\n",
" stack = Stack()\n",
" stack.push(1)\n",
" stack.push(2)\n",
" stack.push(3)\n",
" assert_equal(stack.pop(), 3)\n",
" assert_equal(stack.peek(), 2)\n",
" assert_equal(stack.pop(), 2)\n",
" assert_equal(stack.peek(), 1)\n",
" assert_equal(stack.is_empty(), False)\n",
" assert_equal(stack.pop(), 1)\n",
" assert_equal(stack.peek(), None)\n",
" assert_equal(stack.is_empty(), True)\n",
" self.assertEqual(stack.pop(), 3)\n",
" self.assertEqual(stack.peek(), 2)\n",
" self.assertEqual(stack.pop(), 2)\n",
" self.assertEqual(stack.peek(), 1)\n",
" self.assertEqual(stack.is_empty(), False)\n",
" self.assertEqual(stack.pop(), 1)\n",
" self.assertEqual(stack.peek(), None)\n",
" self.assertEqual(stack.is_empty(), True)\n",
"\n",
" print('Success: test_end_to_end')\n",
"\n",
@@ -251,9 +245,7 @@
{
"cell_type": "code",
"execution_count": 4,
"metadata": {
"collapsed": false
},
"metadata": {},
"outputs": [
{
"name": "stdout",
@@ -321,9 +313,9 @@
"name": "python",
"nbconvert_exporter": "python",
"pygments_lexer": "ipython3",
"version": "3.5.0"
"version": "3.7.2"
}
},
"nbformat": 4,
"nbformat_minor": 0
"nbformat_minor": 1
}

30
stacks_queues/stack/test_stack.py
View File

@@ -1,35 +1,35 @@
from nose.tools import assert_equal
import unittest
class TestStack(object):
class TestStack(unittest.TestCase):
# TODO: It would be better if we had unit tests for each
# method in addition to the following end-to-end test
def test_end_to_end(self):
print('Test: Empty stack')
stack = Stack()
assert_equal(stack.peek(), None)
assert_equal(stack.pop(), None)
self.assertEqual(stack.peek(), None)
self.assertEqual(stack.pop(), None)
print('Test: One element')
top = Node(5)
stack = Stack(top)
assert_equal(stack.pop(), 5)
assert_equal(stack.peek(), None)
self.assertEqual(stack.pop(), 5)
self.assertEqual(stack.peek(), None)
print('Test: More than one element')
stack = Stack()
stack.push(1)
stack.push(2)
stack.push(3)
assert_equal(stack.pop(), 3)
assert_equal(stack.peek(), 2)
assert_equal(stack.pop(), 2)
assert_equal(stack.peek(), 1)
assert_equal(stack.is_empty(), False)
assert_equal(stack.pop(), 1)
assert_equal(stack.peek(), None)
assert_equal(stack.is_empty(), True)
self.assertEqual(stack.pop(), 3)
self.assertEqual(stack.peek(), 2)
self.assertEqual(stack.pop(), 2)
self.assertEqual(stack.peek(), 1)
self.assertEqual(stack.is_empty(), False)
self.assertEqual(stack.pop(), 1)
self.assertEqual(stack.peek(), None)
self.assertEqual(stack.is_empty(), True)
print('Success: test_end_to_end')
@@ -40,4 +40,4 @@ def main():
if __name__ == '__main__':
main()
main()