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Use Rails transactional tests

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As of Rails 5.1:

  - Rails has built-in support for running tests within database
    transactions, so Database Cleaner is no longer needed for this.
  - Rails automatically shares the database connection across threads,
    so transactional_capybara is no longer needed.

Changes:

  - Enable `use_transactional_tests`.
  - Remove transactional_capybara.
  - Remove the Database Cleaner test wrapper.

This resolves:

  - transactional_capybara mismanages the shared database connection,
    causing the connection to falsely report as idle after the first
    test. At 6 minutes (idle_timeout + reaping_frequency) into testing,
    the connection is closed, causing e.g. `PG::ConnectionBad` errors.
This commit is contained in:
Andrew Kvalheim 2020-04-05 12:51:30 -07:00 • committed by Henne Vogelsang
parent 310fc8dc68
commit c3e02c20b9
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7 changed files with 3 additions and 24 deletions
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@ -242,7 +242,6 @@ group :test do
gem 'database_cleaner'
gem 'geckodriver-helper'
gem 'rspec-rails'
gem 'transactional_capybara'
gem 'webdrivers'
# for measuring test coverage
gem 'simplecov-cobertura'