...search results for example to the /app/ directory can be helpful to exclude all test files. The probably easiest way to start this kind of search is from the project...
...it becomes more difficult to optimize this query when joining other records (for my tests PostgreSQL was not able to use the GIN index on the joined table within a...
...vcr, a cassette with an automatically determined name will be generated on the first test run and replayed on subsequent runs: Spec: # spec/models/ / _spec.rb describe ModelName::ExampleApi do describe ' ' do...
...is because Redis defaults to at most 16 databases (0 to 15) and running tests in parallel might exceed that (your tests might run on databases 1..n or...
In tests, it is sometimes useful to create records with specific ids. On PostgreSQL this can cause problems: Usually, PostgreSQL uses an "autoincrement" sequences to provide sequential ids for new...
...cause an SQL error 'duplicate key value violates unique constraint "records_pkey"' Workaround In tests, one workaround would be to simply initialize all sequences with a large value, so that...
...supports a few helpers for development. In case you notice errors in your Cucumber tests, you might want to use one of them to better understand the underlying background of...
...s README, but is duplicated to this card to allow repeating. Then console Pauses test execution and opens an IRB shell with current context. Does not halt the application-under...
...a commit between the given good and bad commits. You could then run a test (*) revealing the problem or inspect the issue manually. Keep in mind that you may need...
...you are done bisecting you can go back with git bisect reset (*) Such a test would need to live outside the repository as you are constantly switching your working directory...
RubyMine has a HTTP Client that can be useful to test web APIs. Just create a .http scratch file an write your request in it. The request can then be...
...See our libvips with CarrierWave card for: Converting colors to sRGB Stripping color profiles Testing ImageMagick provides a compare utility which can be used to measure color differences between two...
...compare writes it's result to STDERR. A lower score is better, I'd test for a threshold like <= 5. There are different comparison metrics available Link to the profile...
...false e.g. to not cancel deploys by accident). Consider setting the interruptible flag for test jobs to reduce the load on your runners like in the following example .gitlab-ci.yml:
...is very important to double-check results to be avoid unexpected consequences. Can I Test Things Locally With a Database Dump? Unfortunately not. Restoring from a logical database backup, i.e...
...an SQL dump, will not reproduce the error and is not suitable for testing changes, since importing dumps will re-create indexes in the first place.
class Client class_attribute :config def self.configure self.config ||= Configuration.new yield(config) end def test uri = URI.parse(FooClient::Client.config.endpoint) Net::HTTP.get_response(uri) end end end module FooClient class Configuration...
...only see their own user as an option in the same . Remember to add tests for your authorization code. Tip If you have existing dropdowns that accept a restrict list...
Discussion Discuss with your mentor: We don't want to duplicate our integration tests for every screen and user role. Why? Where to put authorization scenarios? In an authorization.feature...
...serve requests with the HOST header hacker.xyz You need to take care in your tests, that you reset ActionMailer::Base.default_url_options after e.g. request specs, e.g. spec/support/action_mailer.rb: RSpec.configure do...
...get Jasmine specs running in a Rails project using Webpacker, with the browser based test runner. Should be easily adaptable to a pure Webpack setup. Step 1: Install Jasmine
...Javascript, we will create two additional packs. The first only contains Jasmine and the test runner. The second will contain our normal application code and the specs themselves.
...sharing was completed. Note that this will only work on https pages, so to test it in development, you will have to start your development server with SSL...
...format before you can use it for plotting: Numo.gnuplot do .. # more plot settings plot "'test.csv'", u: "(hist($#{column_to_plot},width)):(1.0)" s: true, f: true, ...
output "hist.jpg" end
...write any array files into a temporary csv file before passing it Numo.gnuplot: CSV.open('test.csv', 'w') do |csv| random_values.zip(additional_values, absolute_values, other_values).each_with_index do |zipped...
...updating the corresponding mailer preview can be forgotten very easily. Mailer previews can be tested like other code as well and I sometimes add the following tests to test suites...
...want to define a global matcher since you need it only for your specific test, there are two ways to do it: Custom matcher for a single group
...wrong number of arguments. This dual approach allows you to move very quickly and test components in isolation, while giving you confidence that your doubles are not a complete fiction...
...and not_change { Video.count } The above example will call playlist.destroy only once, but test both assertions. Note When you chain multiple Capybara matchers using and, Capybara will retry all matchers...
...to use Edge Rider for new projects, which is being actively maintained and has test coverage for all versions of Rails...
...so that only this will be run. This is very useful when using a test runner like guard. Add the following config to spec/spec_helper.rb: RSpec.configure do |config| # These two settings...
In Paperclip you can use the validates_attachment_file_name macro to test the suffix of a filename: class User < ActiveRecord::Base has_attached_file :avatar validates_attachment...