[Copilot]

Tripwire's assert API had no equivalent of Node's assert.rejects() and assert.doesNotReject(), so migrating users had to wrap await in try/catch. This adds both functions.

await assert.rejects(fetchUser("missing"), /not found/);
await assert.rejects(async () => { throw new TypeError("bad"); }, TypeError);
await assert.doesNotReject(async () => 42);

• Implementation (core/src/assert/funcs/rejects.ts)
  • Accepts a promise or a function returning one. Anything else fails fatally.
  • Returns a promise that must be awaited. Assertion failures surface as rejections of that promise.
  • A synchronous throw from the function rejects the returned promise with the original error, as in Node.
  • A rejection reason is checked by delegating to throwsFunc, so the criteria (constructor, instance, string or RegExp, plus msgMatch) match throws.
  • doesNotReject is createNotAdapter(rejectsFunc), mirroring doesNotThrow.
  • Because the check delegates to throws, mismatch failures read "expected … to throw …" rather than "reject". I kept that to avoid duplicating the matching logic. The messages could be reworded if you prefer.
• Registration and types
  • Both are registered in assertClass.ts with nArgs: 3.
  • IAssertClass.ts has the typings and TypeDoc. They are marked @since 0.2.0 and typed as PromiseLike<AssertInst>.
• Tests: assert.rejects.test.ts covers resolve and reject paths, criteria mismatch, a synchronous throw, a non-promise input, and negation.
• Docs
  • migrating-from-node-assert.md: the two functions move from "not available" to the supported mapping table, and the workaround snippet is replaced.
  • docs/README.md: the function list and the migration diff are updated.
  • CHANGELIST.md: new entry under v0.2.0.
  • migrating-from-jest.md is unchanged. Its Jest .rejects matcher row is about the expect side, which this PR does not add.

• Fixes [Feature Request] Implement assert.rejects() and assert.doesNotReject() #272

[codecov]

Codecov Report

❌ Patch coverage is 95.74468% with 2 lines in your changes missing coverage. Please review.
✅ Project coverage is 97.03%. Comparing base (bcdd464) to head (03fb7d7).

Files with missing lines	Patch %	Lines
core/src/assert/funcs/rejects.ts	95.45%	2 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #359      +/-   ##
==========================================
- Coverage   97.05%   97.03%   -0.02%     
==========================================
  Files         323      324       +1     
  Lines       16848    16893      +45     
  Branches     4595     4525      -70     
==========================================
+ Hits        16351    16392      +41     
- Misses        497      501       +4     

Files with missing lines	Coverage Δ
core/src/assert/assertClass.ts	98.13% <100.00%> (+<0.01%)	⬆️
core/src/assert/interface/IAssertClass.ts	100.00% <ø> (ø)
core/src/assert/funcs/rejects.ts	95.45% <95.45%> (ø)

... and 1 file with indirect coverage changes

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[nev21]

LGTM

[nevware21-bot]

Approved by nevware21-bot