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Submission correctness tests for Python

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Project description

pythonwhat

Build Status PyPI version Documentation Status FOSSA Status

Verify Python code submissions and auto-generate meaningful feedback messages. Originally developed for Python exercises on DataCamp for so-called Submission Correctness Tests, but can also be used independently.

Installation

# latest stable version from PyPi
pip install pythonwhat

# latest development version from GitHub
pip install git+https://github.com/datacamp/pythonwhat

Demo

To experiment locally, you can use setup_state() and write SCTs interactively. The code throws an error when the underlying checks fail.

# make all checking functions available
from pythonwhat.test_exercise import prep_context
_, ctxt = prep_context()
globals().update(ctxt)

# initialize state with student and solution submission
from pythonwhat.test_exercise import setup_state
setup_state(stu_code = "x = 5", sol_code = "x = 4")

Ex().check_object('x')
# No error: x is defined in both student and solution process

Ex().check_object('x').has_equal_value()
# TestFail: Did you correctly define the variable `x`? Expected `4`, but got `5`.

# Debugging state
Ex()._state               # access state object
dir(Ex()._state)          # list all elements available in the state object
Ex()._state.student_code  # access student_code of state object

To learn how to include an SCT in a DataCamp course, visit https://instructor-support.datacamp.com.

Run tests

pyenv local 3.9.6
pip3.9 install -r requirements-test.txt
pip3.9 install -e .
pytest

Contributing

Bugs? Questions? Suggestions? Create an issue, or contact us!

License

FOSSA Status

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