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In a python unit test (actually Django), what is the correct assert statement that will tell me if my test result contains a string of my choosing?
self.assertContainsTheString(result, {"car" : ["toyota","honda"]}) I want to make sure that my result contains at least the json object (or string) that I specified as the second argument above
{"car" : ["toyota","honda"]} 
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Assert the exact desired behavior; avoid overly precise or overly loose conditions. One assertion, one condition. Don't aggregate multiple checks in one assertion. Write assertions that check requirements, not implementation details of the unit under test.
You need to open you init.py and import your tests. Show activity on this post. If you want to run a test case class which has the path <module_name>/tests/test_views.py , you can run the command python manage.py test <module_name>. tests.
assertTrue() in Python is a unittest library function that is used in unit testing to compare test value with true. This function will take two parameters as input and return a boolean value depending upon the assert condition. If test value is true then assertTrue() will return true else return false.
To assert if a string is or is not a substring of another, you should use assertIn and assertNotIn:
# Passes self.assertIn('bcd', 'abcde') # AssertionError: 'bcd' unexpectedly found in 'abcde' self.assertNotIn('bcd', 'abcde') These are new since Python 2.7 and Python 3.1
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