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+# Tests
+
+## Preparation
+
+Prepare PostgreSQL user so PeerTube can delete/create the test databases:
+
+```
+$ sudo -u postgres createuser you_username --createdb --superuser
+```
+
+Prepare databases:
+
+```
+$ npm run clean:server:test
+```
+
+Build PeerTube:
+
+```
+$ npm run build
+```
+
+## Server tests
+
+### Dependencies
+
+Run docker containers needed by some test files:
+
+```
+$ sudo docker run -p 9444:9000 chocobozzz/s3-ninja
+$ sudo docker run -p 10389:10389 chocobozzz/docker-test-openldap
+```
+
+### Test
+
+To run all test suites:
+
+```
+$ npm run test # See scripts/test.sh to run a particular suite
+```
+
+To run a particular test file:
+
+```
+TS_NODE_TRANSPILE_ONLY=true mocha -- --timeout 30000 --exit -r ts-node/register -r tsconfig-paths/register --bail server/tests/api/videos/video-transcoder.ts
+```
+
+### Configuration
+
+Some env variables can be defined to disable/enable some tests:
+
+ * `DISABLE_HTTP_IMPORT_TESTS`: disable import tests (because of youtube that could rate limit your IP)
+ * `ENABLE_OBJECT_STORAGE_TESTS=true`: enable object storage tests (needs a docker container first)
+
+
+## Client E2E tests
+
+### Local tests
+
+To run tests on local web browsers (comment web browsers you don't have in `client/e2e/wdio.local.conf.ts`):
+
+```
+$ npm run e2e:local
+```
+
+### Browserstack tests
+
+To run tests on browser stack:
+
+```
+$ BROWSERSTACK_USER=your_user BROWSERSTACK_KEY=your_key npm run e2e:browserstack
+```