Angular Testing Angular V22 Testing Stability

Name: Angular Testing Angular V22 Testing Stability
Author: janpereira-dev

ASecurity

Use this skill when Angular 22 changes affect test reliability, async expectations, or compile-time behavior in the suite.

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Added 10/2/2026

developmenttypescriptgoangulartesting

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A100/100

Scanned 10/2/2026

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SKILL.md

---
id: angular.testing.angular-v22-testing-stability
name: Angular v22 Testing Stability
description: >
  Use this skill when Angular 22 changes affect test reliability, async expectations, or compile-time behavior in the suite.
stack:
  - Angular
  - TypeScript
category: testing
status: stable
version: 0.10.0
owner: NgAutoPilot
triggers:
  - testing
  - fixture.detectChanges
  - router tests
  - async behavior
  - hydration tests
compatibility:
  angular:
    min: "22"
---

# Angular v22 Testing Stability

## Purpose

Use this skill when Angular 22 changes affect test reliability, async expectations, or compile-time behavior in the suite.

## When to Use

Use this skill when:

- Tests started failing after the v22 update.
- Async assumptions no longer match resource or hydration behavior.
- Router or template compile changes need targeted coverage.

## When Not to Use

Do not use this skill when:

- The task is production code only and tests are untouched.
- The issue is only a build-tool migration.
- The failure belongs to a more specific testing satellite skill.

## Required Inputs

- affected tests
- async assumptions
- component harnesses or fixtures
- router mocks or SSR assertions

## Procedure

1. Find the tests that relied on old behavior.
2. Update async expectations and change-detection calls as needed.
3. Keep the test fix narrow and deterministic.

## Do

- Prefer the smallest test change that matches v22 behavior.
- Keep assertions aligned with the new compile or runtime semantics.
- Use targeted validation instead of broad rework.

## Do Not

- Do not silence failures without understanding the new behavior.
- Do not widen the test scope unnecessarily.
- Do not keep brittle async assumptions alive.

## Review Checklist

- [ ] The failing behavior is understood.
- [ ] The test expectation matches v22 semantics.
- [ ] The impacted suite passes again.

## Expected Output

1. A test-stability summary.
2. The changed expectation or harness.
3. Residual risk if any remains.

Attribution

janpereira-dev

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--- id: angular.testing.angular-v22-testing-stability name: Angular v22 Testing Stability description: > Use this skill when Angular 22 changes affect test reliability, async expectations, or compile-time behavior in the suite. stack: - Angular - TypeScript category: testing status: stable version: 0.10.0 owner: NgAutoPilot triggers: - testing - fixture.detectChanges - router tests - async behavior - hydration tests compatibility: angular: min: "22" --- # Angular v22 Testing Stability ## Purpose Use this skill when Angular 22 changes affect test reliability, async expectations, or compile-time behavior in the suite. ## When to Use Use this skill when: - Tests started failing after the v22 update. - Async assumptions no longer match resource or hydration behavior. - Router or template compile changes need targeted coverage. ## When Not to Use Do not use this skill when: - The task is production code only and tests are untouched. - The issue is only a build-tool migration. - The failure belongs to a more specific testing satellite skill. ## Required Inputs - affected tests - async assumptions - component harnesses or fixtures - router mocks or SSR assertions ## Procedure 1. Find the tests that relied on old behavior. 2. Update async expectations and change-detection calls as needed. 3. Keep the test fix narrow and deterministic. ## Do - Prefer the smallest test change that matches v22 behavior. - Keep assertions aligned with the new compile or runtime semantics. - Use targeted validation instead of broad rework. ## Do Not - Do not silence failures without understanding the new behavior. - Do not widen the test scope unnecessarily. - Do not keep brittle async assumptions alive. ## Review Checklist - [ ] The failing behavior is understood. - [ ] The test expectation matches v22 semantics. - [ ] The impacted suite passes again. ## Expected Output 1. A test-stability summary. 2. The changed expectation or harness. 3. Residual risk if any remains.