Implement Parallel Unit testing

[dblythy]

New Feature / Enhancement Checklist

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Current Limitation

Our current testing approach is more or less e2e testing. A full server and database is built in memory.

This makes test comprehensive, but slow. For a simple test like asserting that cloud functions register, there's no reason why this needs to run across all the different environments.

Feature / Enhancement Description

Implement a seperate folder of unit tests. This could still utilise Jasmine, but the focus being on mocking all external dependencies to the test. This means that the unit tests can be ran in parallel, reducing our build times. Will also make it easier to debug - theoretically, one line that breaks tests should only break one unit test.

Example Use Case

Alternatives / Workarounds

3rd Party References

Would also suggest testing standards uplifts:

• unit testing folder structure should reflect the source code
• each unit tests should be focused on testing one thing and one thing only
• verbose, over complicated tests should be replaced by simpler, easier to understand tests.

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