I have some function with api I have some integration tests: Please could you show how Unittest will look like relatively mine function . Answer Solution Use unittest.mock module. More details can be found here. Explanation patch replaces a real object or function with a mock one. It requires a positional arg…
Tag: python-unittest
How do I mock a file open for a specific path in python?
So I know that in my unit test I can mock a context manager open(), i.e.: mocked with but is there a way for me to only mock it for a specific file path? Or maybe some other way to ensure that the context manager gets called with the correct path in a unit test? Answer To mock open only
Why does python unittest assertRaises method not register exceptions that are thrown?
I have a problem similar to this post, however the solution doesn’t help me as I only pass one argument to the function. I have the following code: which I test using the python unittest module. However, even when my exceptions are raised, the assertions fail. When I run this, the traceback is: As you c…
How to mock an attribute variable that returns a class instance
So I have this class located in folder/layer/base.py which has something like this in it: I need to add unit tests to already existing functions within that class. My problem is, the function load_plugin() returns an instance of a class located in folder/tileindex/base.py. Because of that, it happens multiple…
Check for system exit and for error logs with unittest in Python
Is it possible to check if a program stopped with sys.exit() and check for the messages that were logged using the logging module? For example, let’s say I have the following function in a file called func.py: Now, I have created a couple of tests to check my function’s performance. I know that, t…
How to mock subsequent function calls in python?
I’m new to testing and testing in python. I have a python class that looks like this : File name : my_hive.py I want to mock these functions : pyhive.hive.connect, pyhive.Connection.cursor(used by my class as hive.connect(hive_ip).cursor()) and pyhive.Cursor.execute (used by my class as self.cursor.exec…
Using unittests and moto to mock AWS
I am used to pytest approach for unit testing, without using classes. Today I wanted to give a try to unittest and I wanted to encapsulate my tests inside a TestCase. Then consider this sample test class: Why is not the parameter placed in setUpClass visible from the test? I could imagine that by using the @m…
Python unittest request session when “with” statement is used
I want to mock requests.session() in unit test. It works when I don’t use with statement, however it fails when I start using it. This is the code I execute: main.py: test_main.py: Answer Your test setup is ignoring the fact that s comes from the __enter__ method of the context manager class. You need t…
unittest assertionError in python AssertionError: != 200
I’m writing python tests with unittest and requests modules but getting AssertionError: <Response [200]> != 200 Tests are setup in two functions, test_get and test_post. Test runners starts from Tests class, where the issue is within test2. I’ve tried to assert this also: <Response [200]&…
Python – How can I assert a mock object was not called with specific arguments?
I realize unittest.mock objects now have an assert_not_called method available, but what I’m looking for is an assert_not_called_with. Is there anything like that? I looked on Google and didn’t see anything, and when I tried just using mock_function.assert_not_called_with(…) it raised an Att…