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#273: Remove nose dependency for recursion_dynamic/ (#280)

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This commit is contained in:
Donne Martin
2020-07-13 21:26:50 -04:00
committed by GitHub
parent dce6b6aa67
commit 76cb6507fc
57 changed files with 548 additions and 751 deletions
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22
recursion_dynamic/knapsack_01/knapsack_challenge.ipynb
View File

@@ -145,15 +145,15 @@
"outputs": [],
"source": [
"# %load test_knapsack.py\n",
"from nose.tools import assert_equal, assert_raises\n",
"import unittest\n",
"\n",
"\n",
"class TestKnapsack(object):\n",
"class TestKnapsack(unittest.TestCase):\n",
"\n",
" def test_knapsack_bottom_up(self):\n",
" knapsack = Knapsack()\n",
" assert_raises(TypeError, knapsack.fill_knapsack, None, None)\n",
" assert_equal(knapsack.fill_knapsack(0, 0), 0)\n",
" self.assertRaises(TypeError, knapsack.fill_knapsack, None, None)\n",
" self.assertEqual(knapsack.fill_knapsack(0, 0), 0)\n",
" items = []\n",
" items.append(Item(label='a', value=2, weight=2))\n",
" items.append(Item(label='b', value=4, weight=2))\n",
@@ -162,18 +162,18 @@
" total_weight = 8\n",
" expected_value = 13\n",
" results = knapsack.fill_knapsack(items, total_weight)\n",
" assert_equal(results[0].label, 'd')\n",
" assert_equal(results[1].label, 'b')\n",
" self.assertEqual(results[0].label, 'd')\n",
" self.assertEqual(results[1].label, 'b')\n",
" total_value = 0\n",
" for item in results:\n",
" total_value += item.value\n",
" assert_equal(total_value, expected_value)\n",
" self.assertEqual(total_value, expected_value)\n",
" print('Success: test_knapsack_bottom_up')\n",
"\n",
" def test_knapsack_top_down(self):\n",
" knapsack = KnapsackTopDown()\n",
" assert_raises(TypeError, knapsack.fill_knapsack, None, None)\n",
" assert_equal(knapsack.fill_knapsack(0, 0), 0)\n",
" self.assertRaises(TypeError, knapsack.fill_knapsack, None, None)\n",
" self.assertEqual(knapsack.fill_knapsack(0, 0), 0)\n",
" items = []\n",
" items.append(Item(label='a', value=2, weight=2))\n",
" items.append(Item(label='b', value=4, weight=2))\n",
@@ -181,7 +181,7 @@
" items.append(Item(label='d', value=9, weight=5))\n",
" total_weight = 8\n",
" expected_value = 13\n",
" assert_equal(knapsack.fill_knapsack(items, total_weight), expected_value)\n",
" self.assertEqual(knapsack.fill_knapsack(items, total_weight), expected_value)\n",
" print('Success: test_knapsack_top_down')\n",
"\n",
"def main():\n",
@@ -220,7 +220,7 @@
"name": "python",
"nbconvert_exporter": "python",
"pygments_lexer": "ipython3",
"version": "3.6.4"
"version": "3.7.2"
}
},
"nbformat": 4,

48
recursion_dynamic/knapsack_01/knapsack_solution.ipynb
View File

@@ -132,9 +132,7 @@
{
"cell_type": "code",
"execution_count": 1,
"metadata": {
"collapsed": true
},
"metadata": {},
"outputs": [],
"source": [
"class Item(object):\n",
@@ -158,9 +156,7 @@
{
"cell_type": "code",
"execution_count": 2,
"metadata": {
"collapsed": false
},
"metadata": {},
"outputs": [],
"source": [
"class Knapsack(object):\n",
@@ -208,9 +204,7 @@
{
"cell_type": "code",
"execution_count": 3,
"metadata": {
"collapsed": false
},
"metadata": {},
"outputs": [],
"source": [
"class KnapsackTopDown(object):\n",
@@ -255,9 +249,7 @@
{
"cell_type": "code",
"execution_count": 4,
"metadata": {
"collapsed": false
},
"metadata": {},
"outputs": [],
"source": [
"class Result(object):\n",
@@ -328,9 +320,7 @@
{
"cell_type": "code",
"execution_count": 5,
"metadata": {
"collapsed": false
},
"metadata": {},
"outputs": [
{
"name": "stdout",
@@ -342,15 +332,15 @@
],
"source": [
"%%writefile test_knapsack.py\n",
"from nose.tools import assert_equal, assert_raises\n",
"import unittest\n",
"\n",
"\n",
"class TestKnapsack(object):\n",
"class TestKnapsack(unittest.TestCase):\n",
"\n",
" def test_knapsack_bottom_up(self):\n",
" knapsack = Knapsack()\n",
" assert_raises(TypeError, knapsack.fill_knapsack, None, None)\n",
" assert_equal(knapsack.fill_knapsack(0, 0), 0)\n",
" self.assertRaises(TypeError, knapsack.fill_knapsack, None, None)\n",
" self.assertEqual(knapsack.fill_knapsack(0, 0), 0)\n",
" items = []\n",
" items.append(Item(label='a', value=2, weight=2))\n",
" items.append(Item(label='b', value=4, weight=2))\n",
@@ -359,18 +349,18 @@
" total_weight = 8\n",
" expected_value = 13\n",
" results = knapsack.fill_knapsack(items, total_weight)\n",
" assert_equal(results[0].label, 'd')\n",
" assert_equal(results[1].label, 'b')\n",
" self.assertEqual(results[0].label, 'd')\n",
" self.assertEqual(results[1].label, 'b')\n",
" total_value = 0\n",
" for item in results:\n",
" total_value += item.value\n",
" assert_equal(total_value, expected_value)\n",
" self.assertEqual(total_value, expected_value)\n",
" print('Success: test_knapsack_bottom_up')\n",
"\n",
" def test_knapsack_top_down(self):\n",
" knapsack = KnapsackTopDown()\n",
" assert_raises(TypeError, knapsack.fill_knapsack, None, None)\n",
" assert_equal(knapsack.fill_knapsack(0, 0), 0)\n",
" self.assertRaises(TypeError, knapsack.fill_knapsack, None, None)\n",
" self.assertEqual(knapsack.fill_knapsack(0, 0), 0)\n",
" items = []\n",
" items.append(Item(label='a', value=2, weight=2))\n",
" items.append(Item(label='b', value=4, weight=2))\n",
@@ -378,7 +368,7 @@
" items.append(Item(label='d', value=9, weight=5))\n",
" total_weight = 8\n",
" expected_value = 13\n",
" assert_equal(knapsack.fill_knapsack(items, total_weight), expected_value)\n",
" self.assertEqual(knapsack.fill_knapsack(items, total_weight), expected_value)\n",
" print('Success: test_knapsack_top_down')\n",
"\n",
"def main():\n",
@@ -394,9 +384,7 @@
{
"cell_type": "code",
"execution_count": 6,
"metadata": {
"collapsed": false
},
"metadata": {},
"outputs": [
{
"name": "stdout",
@@ -428,9 +416,9 @@
"name": "python",
"nbconvert_exporter": "python",
"pygments_lexer": "ipython3",
"version": "3.4.3"
"version": "3.7.2"
}
},
"nbformat": 4,
"nbformat_minor": 0
"nbformat_minor": 1
}

22
recursion_dynamic/knapsack_01/test_knapsack.py
View File

@@ -1,12 +1,12 @@
from nose.tools import assert_equal, assert_raises
import unittest
class TestKnapsack(object):
class TestKnapsack(unittest.TestCase):
def test_knapsack_bottom_up(self):
knapsack = Knapsack()
assert_raises(TypeError, knapsack.fill_knapsack, None, None)
assert_equal(knapsack.fill_knapsack(0, 0), 0)
self.assertRaises(TypeError, knapsack.fill_knapsack, None, None)
self.assertEqual(knapsack.fill_knapsack(0, 0), 0)
items = []
items.append(Item(label='a', value=2, weight=2))
items.append(Item(label='b', value=4, weight=2))
@@ -15,18 +15,18 @@ class TestKnapsack(object):
total_weight = 8
expected_value = 13
results = knapsack.fill_knapsack(items, total_weight)
assert_equal(results[0].label, 'd')
assert_equal(results[1].label, 'b')
self.assertEqual(results[0].label, 'd')
self.assertEqual(results[1].label, 'b')
total_value = 0
for item in results:
total_value += item.value
assert_equal(total_value, expected_value)
self.assertEqual(total_value, expected_value)
print('Success: test_knapsack_bottom_up')
def test_knapsack_top_down(self):
knapsack = KnapsackTopDown()
assert_raises(TypeError, knapsack.fill_knapsack, None, None)
assert_equal(knapsack.fill_knapsack(0, 0), 0)
self.assertRaises(TypeError, knapsack.fill_knapsack, None, None)
self.assertEqual(knapsack.fill_knapsack(0, 0), 0)
items = []
items.append(Item(label='a', value=2, weight=2))
items.append(Item(label='b', value=4, weight=2))
@@ -34,7 +34,7 @@ class TestKnapsack(object):
items.append(Item(label='d', value=9, weight=5))
total_weight = 8
expected_value = 13
assert_equal(knapsack.fill_knapsack(items, total_weight), expected_value)
self.assertEqual(knapsack.fill_knapsack(items, total_weight), expected_value)
print('Success: test_knapsack_top_down')
def main():
@@ -44,4 +44,4 @@ def main():
if __name__ == '__main__':
main()
main()