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computer-playbook/docs/contributing/development/testing.md
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kevinveenbirkenbachandClaude Sonnet 4.6 06a688c59a refactor(deploy): rename APP to APPS throughout the project
Makes clear that multiple space- or comma-separated app ids are
supported. Renames the env var, CLI flag (--app → --apps), and all
references in scripts, workflows, and documentation.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
2026-03-29 11:41:31 +02:00

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# Testing and Validation
Use the real commands from the repository. Run them from the repository root.
This repository uses several test and validation types:
- `Lint and syntax checks` catch style, formatting, and Ansible syntax problems early.
- `Unit tests` verify isolated logic.
- `Integration tests` verify behavior across modules and runtime boundaries.
- `Combined validation` runs the standard main verification flow.
- `Local deploy and E2E validation` checks whether apps and deployment flows work in a realistic local stack.
## Code Quality and Automated Checks
Use the following table to choose the right lint, syntax, unit, integration, or combined validation command for your change.
### Validation Commands
| Category | Command | What it does | When to use it |
|---|---|---|---|
| Lint | `make lint` | Runs the main lint checks for the repository. | Use this when you want a broad lint pass before pushing. |
| Syntax | `make lint-ansible` | Runs the Ansible syntax validation for `playbook.yml`. | Use this when you changed Ansible roles, inventories, or playbook-related files. |
| Lint tests | `make test-lint` | Runs the lint test suite inside the development environment. | Use this when you want CI-like lint validation. |
| Unit tests | `make test-unit` | Runs the unit test suite. | Use this when you changed Python logic or other isolated code paths. |
| Integration tests | `make test-integration` | Runs the integration test suite. | Use this when your change affects behavior across modules or runtime boundaries. |
| Combined validation | `make test` | Runs the main combined validation flow. | Use this whenever a change touches at least one file that is not `.md` or `.rst`, or before opening a Pull Request. |
## Local Deploy and End-to-End Checks
For the retry-loop policy, use [Iteration](../../agents/action/iteration.md) as the SPOT.
The table below is a command reference for the supported local deployment paths.
### Local Validation Commands
Use the following table when you need realistic local deployment validation or app-level end-to-end checks.
| Category | Command | What it does | When to use it |
|---|---|---|---|
| Local deploy | `APPS=web-app-nextcloud make deploy-fresh-kept-app` | Creates the needed inventory and deploys one app. | Single-app `devices.yml` path. |
| Local deploy | `APPS=web-app-nextcloud make deploy-reuse-kept-app` | Reuses an existing `devices.yml` inventory and redeploys one app quickly. | Fast reuse path. |
| Local deploy | `APPS=web-app-nextcloud make deploy-reuse-purged-app` | Reuses an existing `devices.yml` inventory, purges the entity first, and redeploys one app quickly. | Fast reuse path after a state reset. |
| Local deploy and E2E | `APPS=web-app-matomo make deploy-fresh-purged-app` | Runs a dedicated local validation flow for one app against the dev stack, creating and re-initializing the inventory first. | Baseline and recovery path. |
| Full local validation | `make deploy-fresh-kept-all` | Builds the broader local deployment flow across apps. | Broad coverage when you explicitly need it. |
| Local reset | `make container-refresh-inventory` | Recreates the local inventory without deploying apps. | Use this when your local inventory is broken or you want a clean reset. |
| Local cleanup | `make container-purge-system` | Deletes local deploy artifacts and cleanup data. | Use this only when you really want to remove local state. |
Important:
- Some local deploy commands are destructive.
- Read [reset/README.md](../../../scripts/tests/deploy/local/reset/README.md), [purge/README.md](../../../scripts/tests/deploy/local/purge/README.md), or [exec/README.md](../../../scripts/tests/deploy/local/exec/README.md) before using the matching helper.
- For act-based workflow checks, see [Act Workflow Checks](../tools/act.md).
- After a successful local deploy, run `make trust-ca` and restart your browser.
## Playwright
[Playwright](https://playwright.dev/) tests are part of deployment and end-to-end validation for `web-*` roles. They are not exposed here as a separate top-level `make` command.
To enable Playwright for a `web-*` role, provide:
- `templates/playwright.env.j2`
- `files/playwright.spec.js`
Use [Contributing `playwright.env.j2`](../code/role/playwright.env.j2.md) and [Contributing `playwright.spec.js`](../code/role/playwright.spec.js.md) as the SPOT for the file-level contract and scenario requirements.
During the deploy stage, the shared `test-e2e-playwright` role:
- discovers the relevant app roles
- stages the test project
- renders the `.env`
- copies the role-local `playwright.spec.js`
- injects the shared `package.json` and `playwright.config.js`
- waits until the app is reachable
- runs Playwright in Docker
In practice, Playwright coverage is usually exercised through local deploy flows and deploy CI runs.
## Testing Standards
### Common
Treat these rules as the baseline for all validation categories below.
- Write tests in the `tests` folder.
- Use Python `unittest` for unit, integration, and lint tests.
- Do not write tests that only check whether a file contains a string.
- Do not write tests only for non-executable files such as `.yml` or `.j2`.
- Test the behavior that consumes the configuration.
### Unit
- For touched `*.py` files, add or update unit tests in `tests/unit`.
- For touched `*.py` files, add or update integration tests in `tests/integration`.
### Playwright
- Playwright tests are required for `web-*` roles.
- Use [Contributing `playwright.env.j2`](../code/role/playwright.env.j2.md) and [Contributing `playwright.spec.js`](../code/role/playwright.spec.js.md) as the SPOT for role-local Playwright file requirements.
### Development Procedure
- Analyze the code first.
- Build hypotheses before writing the test.
- Write or update the role-local Playwright files.
- Run it against a fresh pure Docker image.
- Add additional procedures when relevant, for example OIDC or Keycloak.
### Minimum Requirements
- Follow the scenario requirements in [Contributing `playwright.spec.js`](../code/role/playwright.spec.js.md).