Testing
Test driven development with PyCharm's visual testing.
Testing and test-driven development is an important part of professional coding. PyCharm's "Visual Testing" puts a friendly GUI on writing and running Python tests.
See Also
Auto-Run Tests
Get into testing mode by telling PyCharm to automatically re-run tests as you type.
Background on Testing
Introduce testing, pytest, and how it all fits into PyCharm, along with a scenario to work on.
Debugging During Testing
When writing tests, use the PyCharm "visual debugger" to interactively poke around in the context of a problem.
Getting Into the TDD Flow
Setup your PyCharm project to help get into the flow of Test-Driven Development (TDD).
Hello Test
Write a simple test and run it in PyCharm's visual test runner.
Jump to Error
Writing code means writing broken code. Click a link in a traceback to open a file on the line of the error.
Project Setup
Make a PyCharm project and virtual environment with dependencies, then configure PyCharm to use pytest.
Run Single Test
Speed up testing by focusing on one test.
Skipping Tests
During refactoring, use pytest's markers to ignore certain breaking tests.
Speed Up Coverage with Configuration File
Speed up your "visual coverage" with a config file and correct working directory.
Split Screen Without Tabs
Get your code and tests side-by-side without resorting to tabs.
Spot Coverage Gaps Using the Gutter
Let the IDE help you spot coverage gaps in your testing.
Test Fixtures
Make your tests more focused by moving sample data to pytest fixtures.
Testing Exceptions
Write tests which ensure exceptions are raised when expected.
Visual Testing with pytest
Test writing is productive and fun with PyCharm as a visual testing tool atop pytest.