syntax error in inheriting python unittest.TestCase

Question

So I'm writing unit test cases in python for the first time. Here's what I've got so far

 import unittest
 from . BinarySearchTree import BinarySearchTree

 def Test_bst(unittest.TestCase):

    def setUp(self):
        bst = BinrySearchTree()
        bst.put(21, "a")
        bst.put(18, "b")
        bst.put(10, "c")
        bst.put(40, "d")
        bst.put(8, "e")
        bst.put(11, "f")

    def test_get(self):
        self.assertEqual("f", bst.get(11))

if __name__ == '__main__':
    unittest.main()

main()

Obviously I'm testing a binary search tree in the same directory. The issue I'm having is when I run this file I get an error that looks like

  File "Test_bst.py", line 4
    def Test_bst(unittest.TestCase):
                         ^
SyntaxError: invalid syntax

I'm just pretty confused because I've been reading all of the documentation and I'm pretty sure it's all correct and I can't find any similar issues. Thanks y'all

A function cannot inherit anything. Perhaps that was supposed to be a class, not a def? — jasonharper
– jasonharper, Commented Oct 28, 2020 at 23:59
have a look at my unittest demo github.com/IT-Support-L2/Unit_Test_Demo/tree/master/… — user13824946
– user13824946, Commented Oct 29, 2020 at 0:09

adamgy · Accepted Answer · 2020-10-29 00:00:54Z

1

I think you mean:

class Test_bst(unittest.TestCase):

instead of

def Test_bst(unittest.TestCase):

I'd recommend reading the unittest documentation on how to use the library, which also includes a basic example for creating test cases by inheriting from unittest.TestCase.

answered Oct 29, 2020 at 0:00

adamgy

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