https://github.com/raravindds/pytest
https://github.com/raravindds/pytest
Last synced: 3 months ago
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- Host: GitHub
- URL: https://github.com/raravindds/pytest
- Owner: RAravindDS
- Created: 2022-10-26T07:09:28.000Z (over 2 years ago)
- Default Branch: master
- Last Pushed: 2022-10-26T08:13:59.000Z (over 2 years ago)
- Last Synced: 2025-01-11T02:52:03.683Z (5 months ago)
- Language: Python
- Size: 6.84 KB
- Stars: 0
- Watchers: 1
- Forks: 0
- Open Issues: 0
-
Metadata Files:
- Readme: README.MD
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README
# Why Unit Test?
* It reduces bug in the new featuers.
* Tests are good documentation.
* Faster Debugging, development, testing, and desing.
### Unit Testing Frameworkds:
* Unittest - Python standard library
* nose - It's not in standard library.
* pytest - not in the python standard library but it's more popular.
### Installing pytest:
```python
pip install pytest
```
**To Start with ask help from pytest**
```python
pytest -h
```
* It will return the lot of flags and commands used for the pytest library.
### Notes:
* In order to use pytest you need to call your testing function prefix as `test` because it automatically recogonized by the test.
* You can also create a py file prefix with `test` to test everything inside the file. See the [**test_main.py**](test_main.py)
* After written the test just write this command to execute the terminal `pytest`.
```python
pytest -v # This will give more information about the test -v for verbose.
pytest filename -v # You can also specify the filename for the pytest.
pytest test_main.py::test_add # If you want to test one sinlge funciton.
pytest -v -k "add" # -k for keyword, it willl execute the function contains the keyword.
pytest -v -k "add or product" # -k for keyword, it will execute either add or product function.
pytest -v -k "add and product"
pytest -v -m number # you can use pytest decorator to mark function with anything like number, string or whatever you want!
pytest -v -x # -x means exit first -> If any assertion wrong it will break the overall pytest and stop the execution at the same time.
pytest -v -x --tb=no # If you don't want to see any error in the terminal just use this tace brace command.
pytst -v --maxfail--2 # we are expecting to occur 2 failures to exit from the testing.
@pytest.mark.skip(reason = "do not run this functio") # If you want to skip any function to not run on pytest.
@pytest.mark.skipif( sys.version_info < (3, 3), reason = "This is bellow 3.3")
pytest -v -s # if you want to print any print statement inside the testing function (NOTE! -> This needs to be have a print function)
pytest -q # quiet mode
```
[**Resource**](https://www.youtube.com/watch?v=bbp_849-RZ4)