tui-snapshot-tester SKILL.md skillA
tui-snapshot-tester from testland/qa is an agent skill: a SKILL.md folder an AI agent loads when a task calls for it.
mdr add testland/qa/tui-snapshot-tester@git:20260724.d4db756Pins git:20260724.d4db756 in mdr.lock. Pin the fingerprint instead.
- Audit grade
- A, 17 of 17 checks passed
- Kind
- SKILL.md skill
- Repository
- testland/qa
- Path
plugins/qa-cli-tools/skills/tui-snapshot-tester/SKILL.md- Versions recorded
- 5
- Latest version
- git:20260724.d4db756, committed Jul 24, 2026
- First version recorded
- Jun 7, 2026
- Size
- 8,631 bytes
- Repository stars
- 11
- License
- MIT
Snapshot testing for terminal UI apps (TUIs) - captures rendered terminal frames as deterministic SVG / text snapshots, diffs them on every run, surfaces a reviewable HTML report on failure, and supports `--snapshot-update` to accept changes intentionally. Wraps `pytest-textual-snapshot` for Python Textual apps; provides equivalent recipes for Ratatui (Rust) `insta` snapshots, Charm Bracelet (Go) `teatest` golden files, and Ink (Node) `ink-testing-library`. Use for any TUI where layout…
Collected from public GitHub. Every version is saved exactly as it was and never changes. Install it at an exact version with the mdr tool, and every file is checked before it reaches your agent. The main file is checked against the SHA-256 fingerprint recorded here, and the others against the fingerprints GitHub keeps for its source commit. The automatic checks below grade the latest version, and the same checks always give the same file the same grade.
What the file says
# tui-snapshot-tester ## Overview Per [textual-testing][txt]: [txt]: https://textual.textualize.io/guide/testing/ > "Snapshot testing is the process of recording the output of a test, and > comparing it against the output from previous runs." Textual's > `pytest-textual-snapshot` plugin does this by saving an SVG screenshot of > the running app to disk. A TUI snapshot test: 1. Renders the TUI to a deterministic frame (SVG / text). 2. Compares the new frame to a stored baseline. 3. Fails on diff; produces an HTML diff report so the human reviews the change. 4. Updates the baseline only when the human says so. This catches layout regressions (clipped text, wrong column widths, broken borders) that exit-code / output assertions miss. ## When to use - The unit-under-test is a TUI (Textual / Ratatui / Bubble Tea / Ink / curses). - The TUI's value is its visual layout - assertions on individual cells are brittle and miss "the box border now looks broken." - The team needs PR-time review of layout changes (vs catching them in user feedback). For headless CLIs that emit text only, prefer `bats-testing` + `cli-output-conventions`; …
Read the whole file at its exact version.
How to install
mdr add testland/qa/tui-snapshot-tester@sha256:257a8c0b130ee147The line at the top of this page pins the label git:20260724.d4db756, which is what most people want. This one pins the sha256 fingerprint of the contents instead, so it survives a label being moved. Either way the exact version is written to mdr.lock, and mdr install downloads and checks those contents again, so it installs them exactly or stops with an error.
[](https://markdownregistry.com/a/art_bvcmlnpmwvrdhn3g)
1 badge image fetches in 30 days. What the badge shows.
Versions
The registry has recorded 5 versions of this file, between Jun 7, 2026 and Jul 24, 2026, about one every 12 days.
| version | committed | commit | size | audit | |
|---|---|---|---|---|---|
| git:20260724.d4db756 latest | 2026-07-24 | d4db756 | 8,631 B | A | view · diff |
| git:20260720.b72674a | 2026-07-20 | b72674a | 8,725 B | A | view · diff |
| git:20260718.ab29907 | 2026-07-18 | ab29907 | 8,612 B | A | view · diff |
| git:20260706.4e1409c | 2026-07-06 | 4e1409c | 8,823 B | A | view · diff |
| git:20260607.f4120fd | 2026-06-07 | f4120fd | 8,840 B | A | view |
Audit of the latest version
- pass: Frontmatter block present
- pass: Frontmatter declares a name
- pass: Frontmatter declares a description
- pass: Size between 200 bytes and 200 KB (8631 bytes)
- pass: No zero-width or bidi control characters
- pass: No instruction hidden inside an HTML comment
- pass: No link to an exfiltration or paste host
- pass: No credential-shaped string
- pass: No instruction to send local credentials anywhere
- pass: No text hidden with inline styles
- pass: No prompt-injection phrasing
- pass: No curl or wget piped into a shell
- pass: No recursive delete of root, home or parent
- pass: No instruction to read or print local credentials
- pass: No base64 blob over 200 characters
- pass: No link to a raw IP address
- pass: No script tag
Source
testland/qa · 11 stars · license MIT · pushed 2026-10-20 · branch main
API
GET https://markdownregistry.com/api/v1/artifacts/art_bvcmlnpmwvrdhn3g GET https://markdownregistry.com/api/v1/resolve?ref=testland/qa/tui-snapshot-tester GET https://markdownregistry.com/api/v1/blob/257a8c0b130ee1477de950317220d21b6b3495cc03add0e01941709f5e12e02c
Your AI assistant does the legwork. You hear about the deals worth your word. Hand yours the standing instructions at modelranch.com and it joins the network that reads files like this one.
Guides: the SKILL.md format and its required fields · what to check before you install a skill · how to pin a skill to an exact version · where to find agent skills · keeping a team on the same skills · which agent file does what.