vvzvlad 90d8f86fda test: add full test suite for docmost-client and remaining modules ...

Raise coverage from 2.6% to 68% statements by adding 19 test files (~480
tests) covering every module in test-strategy-report.md. No production code
changed — tests reach private logic via (client as any), mock HTTP with
axios-mock-adapter on the real axios instance (interceptors intact), and mock
the Hocuspocus provider with vi.mock + real yjs + fake timers.

Coverage: auth-utils/filters/page-lock/json-edit 100%, diff 99%, node-ops 96%,
transforms 95%, collaboration 86%, layout 91%, client.ts 41% (transport).

- node-ops/transforms/json-edit/page-lock/filters: pure tree/text ops,
  immutability + clone guarantees, throw-vs-noop contracts
- markdown-converter + markdown-document envelope + fast-check round-trip
  property test
- diff, docmost-schema (sanitizeCssColor/clampCalloutType security guards)
- collaboration: pure (buildCollabWsUrl/buildYDoc) + write-path (mutatePageContent
  read-transform-write, false-success suppression)
- client.ts: isSafeUrl/validateDoc* XSS guards, vm-sandbox, REST pagination,
  401 re-auth interceptor, login dedup, uploadImage/createPage multipart guards
- collectRecentSince edge cases; loadSettingsOrExit invalid-value branch
- env-gated E2E skeleton (DOCMOST_E2E)

Two genuine markdown round-trip non-idempotency bugs are documented as it.fails
(code-mark excludes other marks; block-image injects a blank line). Latent:
isSafeUrl allows file:// on link context.

Adds dev-deps: fast-check, @vitest/coverage-v8, axios-mock-adapter; adds the
"coverage" npm script.

2026-06-16 22:50:04 +03:00

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