message: add more documentation around python testing and linting
diff: @@ -579,12 +579,19 @@ pip3 install -r requirements/integration.txt
  pre-commit install
  ```
  +A series of checks will now run when you make a git commit.
  +
  Alternatively it is possible to run pre-commit via tox:
  ```bash
  tox -e pre-commit
  ```
  +Or by running pre-commit manually:
  +```bash
  +pre-commit run --all-files
  +```
  +
  ## Linting
  Lint the project with:
  @@ -593,15 +600,17 @@ Lint the project with:
  # for python
  tox -e pylint
  +Alternatively, you can use pre-commit (mentioned above) for python linting
  +
  +The Python code is auto-formatted using [Black](https://github.com/python/black) which
  +is configured as a pre-commit hook. There are also numerous [editor integrations](https://black.readthedocs.io/en/stable/editor_integration.html)
  +
  # for frontend
  cd superset-frontend
  npm ci
  npm run lint
  ```
  -The Python code is auto-formatted using [Black](https://github.com/python/black) which
  -is configured as a pre-commit hook. There are also numerous [editor integrations](https://black.readthedocs.io/en/stable/editor_integration.html).
  -
  ## Conventions
  ### Python
  @@ -687,6 +696,14 @@ Note that the test environment uses a temporary directory for defining the
  SQLite databases which will be cleared each time before the group of test
  commands are invoked.
  +There is also a utility script included in the Superset codebase to run python tests. The [readme can be
  +found here](https://github.com/apache/superset/tree/master/scripts/tests)
  +
  +To run all tests for example, run this script from the root directory:
  +```bash
  +scripts/tests/run.sh
  +```
  +
  ### Frontend Testing
  We use [Jest](https://jestjs.io/) and [Enzyme](https://airbnb.io/enzyme/) to test TypeScript/JavaScript. Tests can be run with:
  