...matcher, the attached matcher will also work on associations, which makes it ideal for testing assignable_values. Usage example describe Unit do describe '#building' do it 'should only allow buildings...
...association_values(unauthorized_building, nil).for(:building) end end end end Alternatively you could test explicitly for the method that assignable_values generates: ... Power.with_power(power) do expect(power).to...
...Note that this only works for single-line texts. If you want to truncate tests across multiple lines, use a JavaScript solution like Superclamp. There is also -webkit-line-clamp...
Jasmine has long standing support for writing asynchronous specs. In days gone by we used the done callback to achieve...
...Save it to a file, make sure you have Ruby 2.2 and run it. test_symbol = '__test' # The bug only occurs when a symbol used in a keyword argument is...
...symbols table *before* Ruby first sees the keyword argument. existing = Symbol.all_symbols.map(&:to_s).grep('__test') raise "Symbol #{test_symbol} already exists in symbol table!" if existing.any? '__test'.to_sym # breaks...
...including and hash_including matches with red even they should be green if a test fails. You need to find out manually where the result differs from the expectation.
We have released a new library Gemika to help test a gem against multiple versions of Ruby, gem dependencies and database types. Here's what Gemika can give your test...
...s development setup (all features are opt-in): Test one codebase against multiple sets of gem dependency sets (e.g. Rails 4.2, Rails 5.0). Test one codebase against multiple Ruby versions...
Use vector graphics Create multiple sizes of the image Use media queries that test for min-device-pixel-ratio Use Use Ignore the issue Discuss the pros and cons...
...Mysql::Error: Column 'created_at' in order clause is ambiguous Unless you have a test covering this particular case, you won't notice this until after you deployed.
Developing or debugging SAML functionality can be a hassle, especially when you need to go back and forth with someone...
...by running man wkhtmltopdf. However, you should always have quiet: true to keep your test output and logs clean. How to express page breaks, headers, footers, etc. There are concepts...
...inside dependencies sassLoaderConfig.use[sassLoaderIndex].options.sassOptions.quietDeps = true sassLoaderConfig.use[sassLoaderIndex].options.sassOptions.silenceDeprecations = ['import'] Webpack module.exports = { module: { rules: [ { test: /\.s[ac]ss$/i, use: [ "style-loader", "css-loader", { loader: "sass-loader", options: { sassOptions: { quietDeps...
When tests might not run with skipping RSpec in the RSpec.describe failing with the error undefined method 'describe' for main:Object this card will help you out!
end If you do that, @user will not be re-created for each test. Obviously, this has significant downsides, mostly that changes of one test on that record will...
Capybara clears cookies before each scenario, but not other client-side data stores. If your app is using localStorage or...
Geordi is now (partially) tested with Cucumber. Yay! geordi cucumber supports a new @solo tag. Scenarios tagged with @solo will be excluded from parallel runs, and run sequentially in...
...migrations on Capistrano 3) Now requires a .firefox-version file to set up a test firefox. By default now uses the system Firefox/a test Chrome/whatever and doesn't print warnings...
...by checking the $LD_PRELOAD environment variable: echo $LD_PRELOAD LD_PRELOAD=/usr/lib/x86_64-linux-gnu/libjemalloc.so.2 To test if Jemalloc is the reason, unset the Environment Variable and run the command again:
...as frozen. Rspec mocks (e.g. using partial doubles with receive(partial_double).to ...) in tests would raise the following error (just imagine how hard debugging can be): ArgumentError: Cannot proxy...
Bryan talked about the differences between imperative and declarative scenarios. In my opinion, both styles have benefits and should be...
popthis is awesome when used with inaction_mailer. Setup inaction_mailer Install the gem: sudo gem install popthis
...only fail if no stories could be found at all. Breaking changes Removed VNC test browser support for integration tests – Headless Chrome has matured and is almost a drop-in...
@writer.puts "Started: #{i}" sleep 0.01 @writer.puts "Finished: #{i}" end @writer.close end end @writer.close # test whether we always get alternating "Started" / "Finished" lines lines = [] @reader.each_line { |line| lines << line } lines.should...
You are not using javascript tests The file is served from a public folder (not via controller) Problem description If you deliver files from a public folder it might...
...spreewald step: Then I should get a response with content-type "..." Outline How to test file downloads with tests that need javascript. Public served Look at the link of the...
...do not have to call force_extension(...) in your version block. If you have tests for file processors (e.g. for ClamAV virus scans via process: :virus_scan) and you have...
.../var/log/mysql/mysql-slow.log /var/log/mysql/mariadb-slow.log /var/log/mysql/error.log { daily rotate 7 missingok create 640 mysql adm compress sharedscripts postrotate test -x /usr/bin/mysqladmin || exit 0 # check if server is running if mysqladmin ping > /dev/null...