Tag: pytest

Pytest missing 1 required positional argument with fixture

I’m using vscode as IDE I have code a very simple usage of pytest fixture but it doesn’t working when basic example fixture found in the pytest documentation are working well : I get in the test summary info : Answer pytest does not recognize setitem_getitem like test, so you should rename it to t…

Pytest retry logic upon one unsuccessful test

pytest python testing

In my pytest suite, I run plenty of iOS UI tests. Which comes with plenty of frustrating issues. Im experimenting with the use of a hook based retry logic. Essentially, I have a pytest_runtest_call hook, where I collect the output of a test via a yield, and do extra processing with that data. Based on the fai…

customize html table of pytest with docstring of the test

pytest pytest-html python

I have a pytest test function as below. I’d like to print this test_mytest.docstring in the html report as a column between test and duration columns. I could gather that the pytest_runtest_makereport() pytest.mark.hookwrapper could help. Is there any code snippets that I can use as a reference to make …

How to best structure conftest and fixtures in across multiple pytest files

conftest pytest python

Let’s say I have 3 lists of DataFrames containing different data that I want to run the same test cases on. How do I best structure my files and code so that I have one conftest.py (or some sort of parent class) that contains all the test cases that each list needs to run on, and 3 child classes that

How to use pytest fixture with fixture factory?

fixtures pytest python scikit-learn

In scikit-learn, there is a function parametrize_with_checks() that is used as a pytest fixture factory–it returns a pytest.mark.parametrize fixture, and is called as a decorator with an iterable of estimators, e.g. My issue is that my list of estimators may change (or I may have multiple lists), and ea…

How to define a mock object inside a mock in python?

mocking pytest python

I have a class that contains another class in a variable. Now I want to write a unit-test and define a mock object. Therefore I define a fixture in conftest.py and monkeypatch it with the mock object. I now get a the desired mock object but the inner object is noch the mock object which I defined. The problem…

Python mocking table schema

pytest python

I have a simple python function that needs tested that looks like this: However, to test this, I don’t want to test with a real table – I would like to create a Mock schema within my test (and a mock client too). My test currently looks like this: However, when I print returned_schema, I get the f…

Parametrizing fixtures and functions without combinations

arrays pytest python testing unit-testing

Here’s the thing: I have an Array2D class that receives parameters ‘shape’ and ‘val’. The constructor is as follows: I would like to perform tests on this class. To do this I have declared a variable ARRAY_CONFIG, which lists parameters for different two-dimensional arrays. Here …

pytest throws exception while using ClickArguments SystemExit: 0

click pytest python

I am trying to run a test case for a python script. Test case is successful when I don’t use Click decorator and argument in python script method. But when I am using it, it gives SystemExit: 0. commands.py: tests/test_commands.py: When I run the test case: then the test fails with: The full output is: …

Load existing data catalog programmatically

kedro pytest python unit-testing

I want to write pytest unit test in Kedro 0.17.5. They need to perform integrity checks on dataframes created by the pipeline. These dataframes are specified in the catalog.yml and already persisted successfully using kedro run. The catalog.yml is in conf/base. I have a test module test_my_dataframe.py in src…