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Python – assertGreaterEqual() function in unittest
  • Last Updated : 24 Oct, 2020
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assertGreaterEqual() in Python is an unittest library function that is used in unit testing to check whether the first given value is greater than or equal to the second value or not. This function will take three parameters as input and return a boolean value depending upon the assert condition.

This function check that if the first given value is greater than or equal to the second value and returns true if it is so, else return false if the first value is not greater than or equal to the second value.

Syntax: assertGreaterEqual(first, second, message=None)

Parameters: assertGreaterEqual() accept three parameters which are listed below with explanation:

  • first: first input value (integer)
  • second:  second input value (integer)
  • message: a string sentence as a message which got displayed when the test case got failed.

Listed below is an example illustrating the positive and negative test case for a given assert function:



Example :

Python3




# test suite
import unittest
  
class TestStringMethods(unittest.TestCase):
    
    # negative test function to test if values1 is greater or equal than value2
    def test_negativeForGreaterEqual(self):
        first = 4
        second = 5
          
        # error message in case if test case got failed
        message = "first value is not greater or equal than second value."
          
        # assert function() to check if values1 is greater or equal than value2
        self.assertGreaterEqual(first, second, message)
  
if __name__ == '__main__':
    unittest.main()

Output:

F
======================================================================
FAIL: test_negativeForGreaterEqual (__main__.TestStringMethods)
———————————————————————-
Traceback (most recent call last):
File “p1.py”, line 13, in test_negativeForGreaterEqual
  self.assertGreaterEqual(first, second, message)
AssertionError: 4 not greater than or equal to 5 : first value is not greater or equal than second value.

———————————————————————-
Ran 1 tests in 0.000s

FAILED (failures=1)

Example 2:

Python




# test suite
import unittest
  
class TestStringMethods(unittest.TestCase):
  
    # positive test function to test if values1 is greater than or equal to value2
    def test_positiveForGreaterEqual(self):
        first = 4
        second = 4
          
        # error message in case if test case got failed
        message = "first value is not greater or equal than second value."
          
        # assert function() to check if values1 is greater or equal than value2
        self.assertGreaterEqual(first, second, message)
  
  
if __name__ == '__main__':
    unittest.main()

Output:

.
———————————————————————-
Ran 1 test in 0.000s

OK

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