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cellxgene/dev_docs/developer_scripts.md
Matt Weiden a2047b90ae Make the URL hit by jest smoke tests configurable (#1420)
* Make the URL hit by jest smoke tests configurable

* Fix typo

* Make names consistent
2020-04-22 15:23:11 -07:00

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# Developer convenience scripts
This document describes scripts for accelerating cellxgene development.
Paths are relative to the root project directory. If you need to know what
this is, run `PROJECT_ROOT=$(git rev-parse --show-toplevel); echo
$PROJECT_ROOT`.
## Project-level scripts
### Build
**Usage:** from the `$PROJECT_ROOT` directory run:
* `make build` builds whole app client and server
* `make build-client` runs webpack build
* `make build-for-server-dev` builds client and copies output directly into
source tree (only for server devlopment)
### Clean
Deletes generated files.
**Usage:** from the `$PROJECT_ROOT` directory run:
* `make clean` cleans everything including node modules (means build with take
a while
* `make clean-lite` cleans built directories
* `make clean-server` cleans source tree
### Distribution
Creates distribution for python module to upload to pypi.
**Usage:** from the `$PROJECT_ROOT` directory run:
* `make pydist` builds code and then builds sdist
### Release
See `release_process.md`.
### Development environment
Installs requirements files.
**Usage:** from the `$PROJECT_ROOT` directory run:
* `make dev-env` installs requirements and requirments-dev (for building code)
### Installing cellxgene packages
**Usage:** from the `$PROJECT_ROOT` directory:
* `install-dev` - installs from local source tree
* `install-release-test` - installs from test pypi
* `install-release` - installs from pypi
* `install-dist` - installs from local dist folder
* `uninstall` - uninstalls cellxgene
## Client-level scripts
### Running the client
#### start-frontend
**About** Serve the current client javascript independently from the `server` code.
**Requires**
* The server to be running. Best way to do this is with [backend_dev](#backend_dev).
* `make ci` to install the necessary node modules
**Usage:** from the `$PROJECT_ROOT/client` directory run `make start-frontend`
#### backend_dev
**About** This script enables FE developers to run the REST API necessary to
back the development server for the front end. It is intended to ensure that
the FE developer gets the current version of the backend with a single command
and no knowledge of python necessary. It creates and activates a virtual
environment and installs cellxgene from the current branch.
**Requires** `Python3.6+`, `virtual-env`, `pip`
**Usage:** from the `$PROJECT_ROOT` directory run `./scripts/backend_dev`
**Options:**
* In parallel, you can then launch the node development server to serve the
current state of the FE with [`start-frontend`](#start-frontend), usually in
a different terminal tab.
* You can also select a specific dataset using `DATASET=<dataset path> ./scripts/backend_dev`.
* You can also use `CXG_OPTIONS` to pass options to the `cellxgene launch`
command, as in `CXG_OPTIONS='--disable-annotations' ./scripts/backend_dev`.
**Breakdown**
| command | purpose |
| ---------------------------------------- | ---------------------------------------------------------- |
| python3.6 -m venv cellxgene | creates cellxgene virtual environment |
| source cellxgene/bin/activate | activates virtual environment |
| yes \| pip uninstall cellxgene \|\| true | uninstalls cellxgene (if installed) |
| pip install -e . | installs current local version of cellxgene |
| cellxgene launch | launches cellxgene (must supply dataset as last parameter) |
### Client test scripts
Methods used to test the client javascript code
**Usage:** from the `$PROJECT_ROOT/client` directory run:
* `make unit-test` Runs all unit tests. It excludes any tests in the e2e
folder. This is used by travis to run unit tests.
* `make smoke-test` Starts backend development server and runs end to end
tests. This is what travis runs. It depends on the `e2e` and the
`backend-dev` targets. One starts the server, the other runs the tests. If
developing a front-end feature and just checking if tests pass, this is
probabaly the one you want to run.
* `make e2e` Runs backend tests without starting the server. You will need to
start the rest api separately with the pbmc3k.h5ad file. Note you can use
the `JEST_ENV` environment variable to change how JEST runs in the browser.
The test runs against `localhost:5005` by default. You can use the
`CXG_URL_BASE` env variable to test non-localhost deployments of cellxgene.