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Development

After checking out the repo, run bin/setup to install dependencies. You can also run bin/console for an interactive prompt that will allow you to experiment.

To install this gem onto your local machine, run bundle exec rake install. To release a new version, update the version number in version.rb, and then run bundle exec rake release, which will create a git tag for the version, push git commits and tags, and push the .gem file to rubygems.org.

Running tests

The gem test suite can be run in two modes. By default, it runs against the live sandbox environment, creating items on the fly and calling various API endpoints for them. For this to work you'll need real client_id and secret from your Plaid dashboard. Create a file named .env based on .env.sample which is provided:

PLAID_RUBY_CLIENT_ID=the_real_client_id
PLAID_RUBY_SECRET=the_real_secret

This file will be loaded during the tests.

Another mode employs pre-recorded API responses using the vcr gem. It runs much faster. Just use rake test_stubbed and you're good to go even without .env!

Updating VCR "cassettes"

In case you're adding new API endpoints or when there were any substantial changes in API you'll need to update the pre-recorded responses. Here's how:

  1. Make sure that STUB_API=1 rake test fails. It will fail saying something like "... An HTTP request has been made that VCR does not know how to handle".

  2. Run RECORD_MODE=all STUB_API=1 rake test. This will run the whole suite and re-record everything. If you only need to update data for one test class, use this:

    RECORD_MODE=all STUB_API=1 ruby -w -I"lib:test" -rminitest/pride -rdotenv/load test/test_which_fails.rb

  3. Run rake vcr_hide_credentials. This step is essential, because newly recorded files will contain your real client_id and friends. This Rake task will go over all recorded files and replace real values with stubbed ones used by STUB_API=1 rake test.

  4. Run STUB_API=1 rake test and verify that everything works.

Running lint

bundle exec rubocop

Contributing

  1. Make one or more atomic commits, and ensure that each commit has a descriptive commit message. Commit messages should be line wrapped at 72 characters.

  2. Make sure that there are tests for the code you wrote.

  3. Make sure that you've documented all public methods using TomDoc.

  4. Run tests (in both modes, see above) and address any errors. Preferably, fix commits in place using git rebase or git commit --amend to make the changes easier to review.

  5. Open a pull request.