Use Case

As a Node driver developer
I want to have a coverage report available on PRs
So that I can make sure we are testing all important functionality

User Impact

N/A

Dependencies

N/A

Unknowns

• Can the coverage report be displayed in evergreen in a pretty format?
• Is there a convenient way to wire up the result to the PR in github? (e.g., to display the stats or relevant files)

Acceptance Criteria

• Update evergreen script settings to run code coverage on each test suite
• Ensure artifacts are uploaded to S3
• Create a new task to pull together the combined coverage report that runs after all other tasks have completed
• Ensure result is displayed in an accessible way in evergreen and, optionally, in github itself

Implementation Requirements

• Can use python coverage example: ​​https://github.com/mongodb/mongo-python-driver/blob/master/.evergreen/config.yml#L104-L159
• Note: nyc can generate a combined report as long as the individual json files are in the same directory, so we don't even have to run a merge command

Testing Requirements

N/A

Documentation Requirements

N/A

Follow Up Requirements

• Analysis of produced report will be done in a separate ticket