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---
id: angular.upgrade.testing.angular-testbed-inject-v9-migration
name: Angular TestBed.inject v9 Migration
description: >
Replace TestBed.get with TestBed.inject during Angular 9 modernization and related testing cleanup.
stack:
- Angular
- TypeScript
category: testing
status: stable
version: 0.10.0
owner: NgAutoPilot
triggers:
- TestBed.get
- TestBed.inject
- testing migration
compatibility:
angular:
min: "9"
---
# Angular TestBed.inject v9 Migration
## Purpose
Replace TestBed.get with TestBed.inject.
## When to Use
- Tests still call `TestBed.get`.
- The project is upgrading around Angular 9.
## When Not to Use
- Tests already use `TestBed.inject`.
- No testing API cleanup is needed.
## Required Inputs
- test files
- test helpers
- injection patterns
## Procedure
1. Find `TestBed.get` calls.
2. Replace them with `TestBed.inject`.
3. Run tests.
## Do
- Keep test injection explicit.
- Validate type safety.
## Do Not
- Do not keep deprecated test APIs.
## Review Checklist
- [ ] `TestBed.get` removed.
- [ ] Tests compile.
- [ ] Tests pass.
## Expected Output
1. Testing API migration summary.
2. Validation result.
## Exit Criteria
- `TestBed.get` is no longer used.
