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Run tests inJest orMocha inObjection.js transactions. This starts a new transaction at the beginning of each tests and does a rollback at the end of it, reverting the database to the state it was in before the test.

import{transactionPerTest}from"objection-transactional-tests";describe("examples",()=>{transactionPerTest();it("database interactions",()=>{// do something that touches database});});

Note that any database changes done inbeforeAll won't be cleaned up.

The setup can be added to test setup script to apply it automatically for alltests. This will ensure that no test pollute the test database, but also addsoverhead to tests that do not use the database.