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Close the deal exercise

1. Test Visibility

Find how to setup this project.

Fork repository

First thing is to fork this repository:

For the repository

It's important that you fork into the DataDog namespace. Choose a name like build-and-test-close-the-deal-$YOUR_NAME.

Keep the repository page open in a tab at all times.

Set DD_API_KEY as secret in your repository.

Follow the in app onboarding

  • Go to https://app.datadoghq.com/ci/setup/test and follow the instructions.
  • Do not select the type of CI provider we're using.
  • Test framework: Jest.
  • Write your DD_ENV: use something that identifies you, such as "test-juan".
  • Set DD_SERVICE to close-the-deal-tests.

Enable Intelligent Test Runner

Enable GitHub PR comments

  • Activate the toggle.
  • Click on "Save".

Enable Early Flake Detection

  • Activate the toggle.
  • Select "main" as default branch.

Change your GHA workflow

  • Scroll up to the "Run your tests" section.
  • Copy the snippet of code at the right side.
  • Go to test.yml and substitute the "Run tests" step's current command by the snippet.
  • IMPORTANT: Make sure you are not committing any API Key.
  • Commit directly to main.

See results in Datadog

2. Intelligent Test Runner

We're going to test Intelligent Test Runner's capability to skip tests by modifying a file that's used by a single test.

  • Modify array.js by uncommenting the line following the comment in calculateAverage.
  • Commit changes in a different branch from the default branch. You can use feature-branch-itr or something similar.
  • See Intelligent Test Runner savings in the branch page.

3. Early Flake Detection

We're going to test Early Flake Detection's capability to detect flakiness early.

  • Modify array.test.js by uncommenting the last test
  • Commit changes in a different branch from the default branch. You can use feature-branch-efd or something similar.
  • See flakiness being detected in the branch page.

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