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Cleaned up n pairs parentheses solution notebook and unit test.

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This commit is contained in:
Donne Martin 2015-08-11 21:13:35 -04:00
parent d35af98522
commit c868f891e7
2 changed files with 46 additions and 11 deletions
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41
recursion_dynamic/n_pairs_parentheses/n_pairs_parentheses_solution.ipynb
View File

@ -18,7 +18,7 @@
"cell_type": "markdown",
"metadata": {},
"source": [
"## Problem: Print all valid combinations of n-pairs of parentheses\n",
"## Problem: Print all valid combinations of n-pairs of parentheses.\n",
"\n",
"* [Constraints](#Constraints)\n",
"* [Test Cases](#Test-Cases)\n",
@ -104,7 +104,7 @@
" if n == 0:\n",
" return result_set\n",
" parentheses_util(n, n, '', result_set)\n",
" return result_set\n"
" return result_set"
]
},
{
@ -125,30 +125,57 @@
"name": "stdout",
"output_type": "stream",
"text": [
"Success: test_pair_parentheses\n"
"Overwriting test_n_pairs_parentheses.py\n"
]
}
],
"source": [
"# %load test_n_pairs_parentheses.py\n",
"%%writefile test_n_pairs_parentheses.py\n",
"from nose.tools import assert_equal\n",
"\n",
"\n",
"class TestPairParentheses(object):\n",
"\n",
" def test_pair_parentheses(self, solution):\n",
" assert_equal(solution(0), set([]))\n",
" assert_equal(solution(1), set(['()']))\n",
" assert_equal(solution(2), set(['(())', '()()']))\n",
" assert_equal(solution(3), set(['((()))','(()())', '(())()', '()(())', '()()()']))\n",
" assert_equal(solution(2), set(['(())', \n",
" '()()']))\n",
" assert_equal(solution(3), set(['((()))', \n",
" '(()())', \n",
" '(())()', \n",
" '()(())', \n",
" '()()()']))\n",
" print('Success: test_pair_parentheses')\n",
"\n",
"\n",
"def main():\n",
" test = TestPairParentheses()\n",
" test.test_pair_parentheses(pair_parentheses)\n",
"\n",
"\n",
"if __name__ == '__main__':\n",
" main()"
]
},
{
"cell_type": "code",
"execution_count": 3,
"metadata": {
"collapsed": false
},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"Success: test_pair_parentheses\n"
]
}
],
"source": [
"%run -i test_n_pairs_parentheses.py"
]
}
],
"metadata": {
@ -167,7 +194,7 @@
"name": "python",
"nbconvert_exporter": "python",
"pygments_lexer": "ipython2",
"version": "2.7.9"
"version": "2.7.10"
}
},
"nbformat": 4,

12
recursion_dynamic/n_pairs_parentheses/test_n_pairs_parentheses.py
View File

@ -1,17 +1,25 @@
from nose.tools import assert_equal
class TestPairParentheses(object):
def test_pair_parentheses(self, solution):
assert_equal(solution(0), set([]))
assert_equal(solution(1), set(['()']))
assert_equal(solution(2), set(['(())', '()()']))
assert_equal(solution(3), set(['((()))','(()())', '(())()', '()(())', '()()()']))
assert_equal(solution(2), set(['(())',
'()()']))
assert_equal(solution(3), set(['((()))',
'(()())',
'(())()',
'()(())',
'()()()']))
print('Success: test_pair_parentheses')
def main():
test = TestPairParentheses()
test.test_pair_parentheses(pair_parentheses)
if __name__ == '__main__':
main()