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Add unit tests to a LoopBack API project


In this lesson we will learn how to add tests to the project to make sure our API behaves as we expect.

After installing mocha and chai as devDependencies we will add test and test:watch scripts to our package.json. We will create a different datasource what we will use when running the tests by copying datasources.json to datasources.test.json and prefixing our test command with NODE_ENV=test.

We will verify that our tests run against an empty datasource. We’ll also add various tests to verify that our remote method and validation on the Product model behave as expected.

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