RSpec: Is there a not for `and change`, e.g. `and_not to change`?

No, there is no and_not and no general negation operator, as discussed in https://github.com/rspec/rspec-expectations/issues/493 There is, however, a mechanism to define a negated version of an existing matcher, as described in http://www.rubydoc.info/github/rspec/rspec-expectations/RSpec/Matchers.define_negated_matcher, which you can use with and. The full set of compound matchers is documented at https://www.relishapp.com/rspec/rspec-expectations/v/3-4/docs/compound-expectations

In RSpec, what’s the difference between before(:suite) and before(:all)?

When a before(:all) is defined in the RSpec.configure block it is called before each top level example group, while a before(:suite) code block is only called once. Here’s an example: RSpec.configure do |config| config.before(:all) { puts ‘Before :all’ } config.after(:all) { puts ‘After :all’ } config.before(:suite) { puts ‘Before :suite’ } config.after(:suite) { puts ‘After … Read more

Could not find generator rspec:install (q2)

Add to your Gemfile: group :development, :test do gem ‘rspec-rails’ end and run bundle install make sure that it is in both the :development and :test blocks. If you inadvertently put it only in the :test block, it will give the error above (that’s because by default you’re running in the development environment and rspec … Read more

How to fill hidden field with Capybara?

You need to locate the hidden field and set its value. There are a couple ways, this is probably the simplest find(:xpath, “//input[@id=’my_hidden_field_id’]”).set “my value” If you’re executing a client_side script in production, you could just tell capybara to run it with a javascript-compliant driver page.execute_script(“$(‘hidden_field_id’).my_function()”)

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