Haml HTML generated by Haml 5 HTML generated by Haml 6 %button(up-test) %button(up-test=true) %button(up-test=false) %button(up-test=nil) %button(up-test...
same %button(up-test='false') same %button(up-test='') same Extending the list of attributes considered "boolean" You can add to the list of "boolean attributes", but please do...
...can use this command: :%s/{{\([^\}]*\)}}/%{\1}/cg Fix deprecation warnings with :overwrite_params Run tests Deploy See the commit log for a detailed list of changes. 2.3.9 to 2.3.10
...Upgrade rails gem Change your environment.rb so it says RAILS_GEM_VERSION = '2.3.10' Run tests Deploy Also see commit log. From 2.3.10 to 2.3.11 Fixes multiple security issues.
Jasmine is a great tool to unit test your JavaScript components without writing an expensive end-to-end test for every little thing. Jasmine is a purely client-side tool...
...or access the database. Any HTTP calls must be mocked. Learn What do we test with Jasmine? Just as unit tests are a direct way to closely look at your...
The linked MDN article is quite informative of a neat feature supported by all major browsers: Unicode character class escape...
...using inheritance, modules, traits or partials. When you reuse behavior you want to reuse tests as well. You are probably already reusing examples in unit tests. Unfortunately it is much...
...harder to reuse code when writing integration tests with Cucumber, where you need to express yourself with Gherkin and step definitions instead of Ruby classes and methods.
...you are using a driver that supports it (e.g. Selenium, not the default Rack::Test driver). Consider the following HTML: One Two With some CSS: .test1 { display: block } .test2 { display...
...Default: visible: :visible As described above, by default Capybara finds only visible elements. find('.test1') finds the .test1 element find('.test2') raises a Capybara::ElementNotFound error, as the .test2 element...
Slow test suites are a major pain point in projects, often due to RSpec and FactoryBot. Although minitest and fixtures are sometimes viewed as outdated, they can greatly improve test...
...fixtures, and while it required some initial refactoring and establishing good practices, the faster test suite was well worth it! Stick with me to explore how these tools might actually...
When testing JavaScript functionality in Selenium (E2E), you may need to access a class or function inside of a evaluate_script block in one of your steps. Capybara may only...
...are exporting your definition(s) in Webpacker, these won't be available in your tests (and neither in the dev console). The following principles/concepts also apply to Sprockets.
Capybara-screenshot can automatically save screenshots and the HTML for failed Capybara tests in Cucumber, RSpec or Minitest. Requires Capybara-Webkit, Selenium or poltergeist for making screenshots. Screenshots are saved...
...Manually saving a page Additionally you can trigger the same behavior manually from the test using Capybara::Session#save_and_open_page and Capybara::Session#save_screenshot. Use Rails' built...
...Shift. The achieved scores should not be lost again, so I fixed them with tests. How to test Web Vital scores In a test: Build & open the (stereotype) page you...
...want to ensure Web Vital scores for Throttle test browser I/O (because your development machine is more powerful than real-world devices) Expect Web Vital scores For this to work...
Usually our code lives on GitLab, therefore our documentation for CI testing is extensive in this environment. If you are tied to GitHub e.g. because your customer uses it, you...
...template uses two such custom actions: setup-node and setup-ruby .github/workflows/integration-testing.yml name: Integration Testing on: push: branches: [ main, production ] pull_request: branches: [ main, production ] # Display "Run Workflow" button on...
...you use that "db count" and process the loaded elements. A common example is tests: Imagine a test that sets up a few records and finishes the test setup by...
...records have loaded (i.e. cached) their associations too early and now are missing elements. Tests relying on the setup will fail, because they will operate on the loaded records. You...
Code splitting is a feature of esbuild that can keep huge libraries out of the main bundle. How code splitting...
...created. When editing a movie there is a "Year" field that can be changed. Testing: Learn techniques Write tests for both exercises. Write multiple variants, each using a different approach...
...you minimize the number of lines of code that now no longer run during tests? Mock out the network request to the API using Webmock Mock out the network request...
...KB or Zousan. You can even polyfill Promise with jQuery itself using 339 bytes. Testing async code We want to test this code: whenLoaded = new Promise(function(resolve, reject) { $(resolve...
...function foo() { } function callFooWhenLoaded() { whenLoaded.then(foo) } This test fails: describe('callFooWhenLoaded()', function() { it('calls foo()', function() { spyOn(window, 'foo') callFooWhenLoaded() expect(foo).toHaveBeenCalled() }) }) The test fails since we're expecting...
...and show a Google map centered around it Now write an E2E feature that tests that the map shows the correct location. Hints The purpose of this lesson to learn...
...should expose an API that lets you query the current map position from your test. Your test can use evaluate_script(...) to talk with that JavaScript. Note Adding leaflet to...
...a MIT-based polyfill called Hyphenopoly. It applies JS-based hyphenation if a feature test shows that CSS based hyphenation is not supported for the given locale. Note that Hyphenopoly...
...can no longer search for the full word in the pasted text. Note that test browsers will also see the soft hyphens, which makes testing uncomfortable. Automatic insertion of soft...
...has the line gem 'rails', '~>5.2'). I also experienced that doing upgrades per group (test, development) are easier to do. Thus --groups might also be helpful. $ bundle outdated --strict --groups...
...newest 5.2.6, installed 5.2.4.6) ... ===== Group "development" ===== * binding_of_caller (newest 1.0.0, installed 0.8.0) * parallel_tests (newest 3.7.3, installed 2.32.0) * query_diet (newest 0.7.0, installed 0.6.2) * spring (newest 2.1.1, installed...
...not part of the same network. Maybe you want to use your phone to test a web page, but are only in a guest WiFi. In the past, we often...
...local machine on port 3000. This can also be useful if you need to test with TLS, without having to jump through the hoops of creating some self-signed TLS...
...your config/database.yml: default: &default adapter: postgresql # ... variables: statement_timeout: 10s # or ms, min, etc Test that it works: ActiveRecord::Base.connection.execute("show statement_timeout;").map { |row| row } => [{"statement_timeout"=>"10s"}]
...by adjusting your config/database.yml: default: &default adapter: mysql2 # ... variables: max_execution_time: 10000 # ms Test that it works: begin ActiveRecord::Base.connection.execute("SELECT 1 WHERE sleep(15)") rescue ActiveRecord::StatementTimeout => e...
...ihm über die Dinge, die du im Netzwerktab herausfinden kannst. Starte dir einen LXD Testcontainer mit Ubuntu. Installiere Nginx und erstelle eine Konfiguration die folgende Eigenschaften erfüllt:
...sie dir in die /etc/hosts mit der entsprechenden IP einträgst. Installiere Docker auf deinem Testcontainer und starte httpbin auf Port 8080. Du kannst dafür folgendes Kommando verwenden:
.../public/assets-test/', '/tmp/', ] } 2. Report all existing offenses and exclude them initially Add an RSpec test, which runs ESLint (also during a full RSpec test run), e.g. in spec/eslint_spec.rb: require 'open3...
expect(status.success?).to eq(true), failure_message end end Run the test or simply run yarn run eslint . from your console to check all files. Now you...
...authorized users only 3. Using the same storage folder for multiple Rails environments or test processes This one affects your developers. If an image with ID 4 always ends up...
...as public/system/images/4.jpg, multiple Rails environments (e.g. development and test) will randomly see and overwrite each other's files. See Always store your Paperclip attachments in a separate folder per environment...
We use Selenium WebDriver integrated with Cucumber/Capybara for full-stack integration testing. Try and use it Your forked MovieDB should already include a feature that uses a real browser. Add...
...the @javascript tag to your other features to test it yourself. When you run your cucumber feature now with NO_HEADLESS=1 geordi cucumber, you should see a browser opening...