rails

shell

# reset DB
$ rake db:drop db:create db:migrate

# start server, suppressing most SQL log messages
$ rails s | grep -v -E '(SELECT|BEGIN|COMMIT|Load|FROM|INSERT)'

# heroku DB provision
$ heroku config --app wundertest8  # show config
$ heroku addons:add heroku-postgresql:hobby-dev --app app
$ heroku pg:promote HEROKU_POSTGRESQL_COBALT_URL --app app
$ heroku addons:remove HEROKU_POSTGRESQL_GRAY_URL --app app
$ heroku run rake db:migrate --app app 

spec_helper.rb

# rspec stacktrace, remove lines
RSpec.configure do |config|
  config.backtrace_exclusion_patterns = [
    /\/lib\d*\/ruby\//,
    /bin\//,
    /gems/,
    /spec\/spec_helper\.rb/,
    /lib\/rspec\/(core|expectations|matchers|mocks)/
  ]
end

# for those who favor convention over config..
# $ nano spec/spec_helper_custom.rb
# $ rspec -r ./spec/spec_helper_custom.rb

webmock.rb

# Gemfile
group :test do
  gem 'webmock'
end

# spec/support/external_services.rb
require 'webmock/rspec'
WebMock.disable_net_connect!(allow_localhost: true)