Practical Uses of Dependency Injection

Example project that was presented at Forcelandia 2023 (slides).

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This project has been organized to showcase everyday uses of Dependency Injection.

Check out the examples to learn more:

• Account Checker
• Opportunity Checker
• Premium Opportunity Factory
• Premium Opportunity Service
• Apex Trigger
• Trigger Framework

A few static utilities are used throughout this project. Find them in the force-app/main/default folder.

Development

Connect to the Dev Hub

org_alias="forcelandia-di"

sf org login web \
  --alias="${org_alias}" \
  --set-default-dev-hub

Make a scratch org

org_alias="forcelandia-di-scratch"

sf org create scratch \
  --alias="${org_alias}" \
  --definition-file=config/project-scratch-def.json \
  --duration-days=30 \
  --set-default

sf project deploy start \
  --source-dir=force-app \
  --wait=10 \
  --ignore-conflicts \
  --verbose

Run all tests

org_alias="forcelandia-di-scratch"

sf apex test run \
  --target-org="${org_alias}" \
  --wait=10 \
  --code-coverage