...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 $ bundle outdated --strict --groups...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...
To delay your entire Jasmine test suite until the DOM is ready, add the following: beforeAll(function(done) {
When you don't know which options are available, but need to have an option selected, use this step.
...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...
When running capybara with Chrome you might start seeing frequent "no alert open" errors when trying to interact with browser...
...No power to ['creatable_cards'] The reason for this behavior is that the Capybara test server is running in another thread, and the RSpec thread can't "see" the exception...
...not write such assertions in feature specs anyway. Instead, you could: write the same test as a request spec expect what the user sees in this situation, e.g. an error...
...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...
Establishing a TCP connection to a SSL secured remote service is not possible using telnet or nc. Though, you can...
...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...
...complicated at first, but there are use cases where it helps to write precise tests. For example it allows to add expectations on objects that will only be created when...
Also see here for further examples. Please note: Usually it is preferrable to test behaviour, not method calls. Since the behaviour of both validators is thoroughly tested in their...
In tests you can write users(:alice) to look up a fixture record. The same helper is not available in the Rails console, so debugging a fixture by name means...
...You have to seed the database first with bin/rails db:fixtures:load In the test environment the records are loaded automatically by the test runner. The initializer # config/initializers/fixture_console_helpers.rb Rails.application.configure do...
...with its showtimes. This lesson covers Rails' nested attributes and how to build and test such forms. Important Work on this lesson in advisor mode. Learning goals You can explain...
...JavaScript as a reusable component that knows nothing about a particular model. You can test a nested form, including how to address repeated fields. You can lay out a nested...
...a diff between the current work and main. Can be used for Code reviews, test generation etc. pack_git_diff_head Generates a diff of uncommitted changes. Can be used...
...long strings are displayed, which sometimes means that the root cause for the failing test is buried in truncation. For example, I could not easily make out the reason for...
...the key information ("fatal: Not possible to fast-forward") is visible in the failing test output: Failure/Error: expect { crawler.pull_new_commits }.not_to raise_error expected no Exception, got #<GitLab...
You can use wscat: sudo apt-get install node-ws # wscat -c ws://echo.websocket.org connected (press CTRL+C to quit...
...This lesson covers storing uploads as model attributes with CarrierWave, generating image versions, and testing uploads. Important Work on this lesson in advisor mode. Learning goals You can explain how...
...can keep an upload across a form redisplay after a validation error. You can test uploads: an end-to-end test for the happy path, unit tests for versions and...
...simply replace %br with %br>< for that. When you are done, use a spam test service like mail-tester.com to check if all is well. Note that premailer-rails can do...
Website that offers lots of different kinds of HTTPS configurations, bad or good or complicated. They also offer a dashboard...
You can configure RSpec 3.3+ to raise an error when attempting to stub or mock a non-existing method. We...
Ruby 1.9.2 is very slow when loading files, especially starting Rails servers or running specs takes forever.
If you need to find all files inside a directory that were modified in the last 24 hours you can...
Our preferred way of testing ActiveRecord is to simply create/update/destroy the record and then check if the expected behavior has happened. We used to bend over backwards to avoid touching...
Today we would rather make a few database queries than have a fragile test full of stubs. Example Let's say your User model creates a first Project on...
...happen to load into the same process. On a sharded CI you get a test that fails on some runs and not others. How affected tests look like
end it 'resolves the association' do self.class::Thing.new.project end end Running this test will raise an error: ArgumentError: The Project model class for the RSpec::ExampleGroups::SomeUnrelatedGroup::Thing...
...data out of your database. This lesson covers Rails' built-in validations, how to test them, and how to show helpful error messages in your forms. Important
...can write a custom validation for a rule that spans several attributes. You can test a single validation in isolation, e.g. with Shoulda matchers. You can show validation errors next...