Shared response helper for all write endpoints. HTMX requests (hx-post) get the swapped partial; plain form submits fall back to a redirect s

Persist a row in the state the upload path leaves behind: ``is_processing=True``, mimetype set, uri pointing at the upload file. The normalisa

Validate and persist auth-related settings changes. Raises ``AuthSettingsError`` with an operator-friendly message when the input is rejected

Poll an Alpine-derived expression until it deep-equals ``expected``. Used for assertions like "modal opened" — the modal DOM is mounted via ``

Build a RequestFactory request and attach the given user (or a MagicMock proxy for AnonymousUser).

Poll a Django ORM predicate until truthy. Playwright's locator auto-waits don't help here — the assertion is on DB state written by uvicorn af

Asset payload with date range covering the test reference era (so time_machine.travel into 2026 doesn't fall outside it).

Centralised superuser factory. All scattered ``User.objects.create_superuser(..., password=...)`` call sites in the tests below come through

Loads the latest settings from anthias.conf into memory.

Build a stand-in for ``requests.Response`` with the surface our code touches: ``status_code``, ``ok``, ``json()``, ``text``, ``raise_for_statu

Download a YouTube video out of band and finalize the row. Replaces the previous ``YoutubeDownloadThread`` (a daemon thread in the anthias-se

Classify *uri* as auto-downloadable single-file video or not. Returns ``(True, ext)`` when the serializer should rewrite the asset to a local

Strip the 5 s asset-table htmx poll so a swap doesn't cancel a click or drag mid-test. Call AFTER the page has loaded.

Click a row's Edit button and wait for the modal's Alpine state.

GET the home page so the middleware sets ``csrftoken`` on the client, then return the raw cookie value. Django's CSRF check accepts the unmask

Checks the application is running on Balena Cloud :return: bool

Fetch *uri* into the row's persisted ``Asset.uri`` and chain into ``normalize_video_asset``. The row is created upstream with ``mimetype='vid

Build the playlist plus a deadline for the next re-evaluation. Active assets are filtered by Asset.is_active() (which now applies day-of-week

If it is streaming

Create an Asset with sensible defaults; override per test.

A row in the state the serializer leaves behind for an http(s) video URL: mimetype='video', is_processing=True, uri pointing at the eventual l

Build a row in the state the reconciler is meant to find. The metadata key is the load-bearing field — every age-based decision the reconcile

A row in the state the serializer / frontend create leaves behind: mimetype=video, is_processing=True, uri pointing at the local destination p

Submit the edit form and return the HTTP status of the assets_update POST it fires. Either submission path is fine — an htmx hx-post answers 2

Synthesise a ~16×16 image in *fmt* and save it to *out_path*. Variety: alpha vs no-alpha, RGB vs RGBA, multi-frame TIFF. The point is that th

Parse play_days into a sorted, deduped list of ints 1-7. Falls back to all days if the value is missing, malformed JSON, not a list,

Helper function to format request data based on API version.

Get the global skip event for instant asset switching.

Auto-detect which HDMI port is connected on Pi4/Pi5. The vc4 DRM driver exposes both HDMI connectors as /sys/class/drm/<card>-HDMI-A-{1,2}/.

True when the viewer runs under cage + Wayland (x86, arm64, pi5), where the compositor owns the transform and rotation is applied via ``wlr-ra

One balena API call. Returns parsed JSON (None for an empty or non-JSON body); raises HTTPError/URLError/OSError on failure.

Normalize 'balenaOS 6.1.24+rev4' / 'v6.12.3+rev4' / '16.5.0' to a comparable (major, minor, patch, rev) tuple. Unparseable -> all zeros (treat

Read a HTML checkbox: present-and-truthy = True, otherwise False. The settings form pairs every checkbox with a hidden 'false' input of the s

Shape a fake ``_session.get`` response: context-manager-shaped, streams ``body`` in fixed-size chunks via ``iter_content``.

Drop events that report expected transient states, not bugs. Two classes of noise, both observed fleet-wide on day one: * ``redis.exceptio

This is a helper function that is used to render a template with some global context. This is used to avoid having to repeat code in othe

Browser refresh nudge, plus optional viewer playlist reload. Two notification kinds, both best-effort: * **Browser** — ``notify_asset_update

Build patches that fake os.scandir() + open() for status reads.

Task-side cooldown lock key (TTL = RECHECK_COOLDOWN_S).

Read the host's /etc/timezone, falling back to UTC. /etc/timezone is bind-mounted from the host, so its value is whatever the host distro wro

Format a duration in seconds as 'Xh Ym', 'Xm Ys', or 'Xs'. Asset.duration is stored as integer seconds. The schedule table used to render '42

Extract the options dict from the most recent ``playVideo`` call. Option values can be str / int / bool / float — the C++ side receives a ``Q

Coerce a raw rotation value to one of SCREEN_ROTATION_CHOICES. Returns 0 for anything that doesn't parse as an int in the cardinal set — defe

Shape a fake ``requests.head`` response with a given Content-Type and status code.

Expand the collapsible Advanced disclosure inside the edit modal (closed by default when the asset has no advanced values).