expect(array.include?(5)).to eq(true) Custom matchers Write a custom matcher called have_same_attributes_as. It should compare the attributes of two ActiveRecord instances: movie1 = create...
...examples and contexts in RSpec Testing shared traits or modules without repeating yourself ActiveRecord callbacks Composing a custom matcher from existing matchers Exercise: Shared examples Make the following change to...
...app that manages a list of movies and a list of actors. We will call this app "MovieDB" in subsequent cards. Skim the README file of the project if you...
Stacktrace frame [n] -- Moves to a frame in the n-th call stack You can use where to find out the numbers finish [n] -- Runs the program...
module WebpackerCompileOnce COMPILE_WAIT_TIMEOUT = 180 COMPILE_WAIT_POLL_INTERVAL = 0.3 def compile # Calling #compile will at least once compute SHAs over the content # of all files in app...
...parallel_tests process has finished compiling. def wait_until_fresh # We're going to call #fresh? a lot. This will call #watched_files_digest, which # computes SHAs over the contents...
...span&t;bar</span>' Bad The solution is not to call html_safe on the joined array and if you thought it would be, you don't understand...
...how XSS protection works in Rails. Calling html_safe on the joined array will incorrectly bless the complete string as safe: [safe_string, unsafe_string].join(' ').html_safe # will incorrectly...
If you expect method calls in RSpec 3, be aware that the argument matchers use very liberal equality rules (more like === instead of ==). For example: expect(subject).to receive(:foo...
...handled before e.g. a page.refresh statement returns. That that this also applies to wrapped calls like accept_confirm { page.refresh }. Setting unhandled_prompt_behavior to a hash The W3C spec allows...
...code base. It should be encapsulated in single files or folders. Be easy to call: A service should always try to have a simple public interface, even if that causes...
...If you did this you will need to find the original branch point and call git rebase with a SHA1 revision. Your editor will open with a file like
...new node feature that automatically installs yarn (and pnpm) for you when it is called. It allows you to specify a desired yarn version inside package.json and makes sure the...
...Node.js starting from 14.19.0 and 16.9.0 but is disabled by default. To enable it, call: corepack enable The yarn command will be available afterwards. Note To start a new project...
...street # => "Foo Avenue 77" Hint You can convert any object to a string by calling #to_s on it. The matching should be case-insensitive. Also when the query string...
...random_each. The method should iterate through the array elements in random order and call the given block for each iteration. For example, the following should work...
...you to use Capybara Finders methods (e.g. #find) on the doc element and then call matchers on that element: link_element = doc.find('a') expect(link_element).to have_selector('.nav...
...by default, such that rendered is converted once one of Capybara's matchers is called on it, it's default type is still a String. (As noted in the Capybara...
...updated_at_of_expensive_scope') fresh_when last_modified: updated_at The example above calls fresh_when without an object, so Rails will only set the Last-Modified header and...
...constants, constantize and safe_constantize. Neither is safe for untrusted user input. Before you call either method you must validate the input string against an allowlist. The only difference between...
...Write tests for both exercises. Write multiple variants, each using a different approach: Just call the real API from the example (skip this variant for the "upcoming movie" exercise)
...routes, so we can write it as follows. class RackLoggerWithSilencedActiveStorageRoutes < Rails::Rack::Logger def call(env) if env['PATH_INFO']&.start_with?("#{Rails.configuration.active_storage.routes_prefix}/") Rails.logger.silence do super end else
...element or set scrollTop on both and . Finding the scrolling element Your JavaScript can call document.scrollingElement to retrieve the scrollable element for the main viewport. On Chrome, Firefox and modern...
...cleared automatically after each test. By including the following helper hooks your tests can call jasmine.fixtures to access a container that is emptied once the test concludes: beforeAll(function() { jasmine.fixtures...
...updates your $PATH when the prompt is being displayed). For these commands you can call mise explicitly in your shell config: eval "$(mise exec starship -- starship init zsh)"
...mise/asdf plugin and the second one is the name of the plugin we're calling. Install tools mise will re-use .tool-versions files in your home directory or in...
...das SNS Topic Benachrichtigungen von AWS Config entgegen nehmen. Anschließend soll diese per API-Call ein Issue in deinem Gitlab Projekt erstellen. Versuche so früh wie möglich deine Lambda via...
...to load records and their associations in a fixed number of queries. This is called preloading or eager loading associations. By preloading associations you can prevent the n+1 query...
...order => 'created_at DESC', :include => :author) end end This controller action works until someone calls the action with a category containing a dot character. This will make ActiveRecord join the...
...both limited to a set of HTTP libraries listed below (as of 2022). Direct calls to Kernel#open or OpenURI#open_uri are not mocked and will trigger real network...
...know anything about the API internals. It feels more natural, that you don't call client internals from your models. Only the public methods like GithubClient::Client.new.users('makandra GmbH') or...
Now, another commit will be checked out. See if the issue persists and call git bisect good or git bisect bad, resulting in another commit being fetched and so...