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Update tree check balance challenge (#120)

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Use more specific exception types.
This commit is contained in:
Donne Martin
2016-11-17 05:38:28 -05:00
committed by GitHub
parent a0944eb5f4
commit 14de5e4233
3 changed files with 4 additions and 4 deletions
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2
graphs_trees/check_balance/check_balance_challenge.ipynb
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@@ -128,7 +128,7 @@
"\n", "\n",
"class TestCheckBalance(object):\n", "class TestCheckBalance(object):\n",
"\n", "\n",
" @raises(Exception)\n", " @raises(TypeError)\n",
" def test_check_balance_empty(self):\n", " def test_check_balance_empty(self):\n",
" bst = BstBalance(None)\n", " bst = BstBalance(None)\n",
" bst.check_balance()\n", " bst.check_balance()\n",

4
graphs_trees/check_balance/check_balance_solution.ipynb
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@@ -120,7 +120,7 @@
"\n", "\n",
" def check_balance(self):\n", " def check_balance(self):\n",
" if self.root is None:\n", " if self.root is None:\n",
" raise Exception('No root node')\n", " raise TypeError('root cannot be None')\n",
" height = self._check_height(self.root)\n", " height = self._check_height(self.root)\n",
" return height != -1" " return height != -1"
] ]
@@ -155,7 +155,7 @@
"\n", "\n",
"class TestCheckBalance(object):\n", "class TestCheckBalance(object):\n",
"\n", "\n",
" @raises(Exception)\n", " @raises(TypeError)\n",
" def test_check_balance_empty(self):\n", " def test_check_balance_empty(self):\n",
" bst = BstBalance(None)\n", " bst = BstBalance(None)\n",
" bst.check_balance()\n", " bst.check_balance()\n",

2
graphs_trees/check_balance/test_check_balance.py
View File

@@ -4,7 +4,7 @@ from nose.tools import raises
class TestCheckBalance(object): class TestCheckBalance(object):
@raises(Exception) @raises(TypeError)
def test_check_balance_empty(self): def test_check_balance_empty(self):
bst = BstBalance(None) bst = BstBalance(None)
bst.check_balance() bst.check_balance()