...when using the native player or a well known Browser. Browser Playback Support To test the Browser support, I created a tag with a WebM/VP8 and a MP4/H.264 . The Browser...
...WebM, VP8 + AAC ✓ ✓ ⚠ ⚠ ✓ ⚠ ✓ BrowserStack Matrix Every available combination listed in this table was manually tested on BrowserStack. The chosen video codec is annotated in every cell, audio playback was verified...
...was moved from the top to the bottom of a file, or a long test file that was split in many. Fortunately, Git offers a special highlighting mode that directs...
...Just increase the last index when proceeding to the next example. Handy when the test file frequently changes, e.g. because before blocks are modified. The line number approach would easily...
...it only cares about the HTML-Tag type. Example. This might lead to breaking tests when your html changes. Once browser support is fulfilled prefiltering nth-child selector will be...
...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...
...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.
...by CSS, the following will work with Selenium, but not when using the Rack::Test driver. The Selenium driver correctly only considers text that is actually visible to a user...
...Then I should not see "foobear" This is because the Rack::Test driver does not know if an element is visible, and only looks at the DOM. Spreewald offers steps...
...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.
...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...
query.matches // => true or false Detecting when the query result changes The #matches() method tests the current screen width. To be notified when the width changes, you need additional scripting...
Your development machine is usually on a very good network connection. To test how your application behaves on a slow network (e.g. mobile), you can simulate limited bandwidth. Chrome
...configuration.rb With this approach you have a stronger decoupling in your application: Your unit tests might use Webmock or VCR for the lib/github_client part, but your application only talks to...
...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...
...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...
Sometimes you just want to have a small web server that serves files to test something. Serve the current directory On Ruby 1.9.2+ you can do the following ("." for current...
...Model Serializer (AMS) to serializer our Active Record models to JSON. JSON Schema to test the responses of our server. SwaggerUI to document the API. It worked The concept worked...
...Rails application, that has no UI components (only the documentation) and therefore no integration tests, the tests are really fast. With ~25 endpoints the tests are finished within 22 seconds...
...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...
...environment configuration. This is useful for keeping log files manageable, especially in development and test environments. # config/environments/development.rb Rails.application.configure do config.log_file_size = 10.megabytes end When this value is set, Rails...
@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...
...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...
...SE_AVOID_STATS=true or project based # spec_helper.rb ENV['SE_AVOID_STATS'] = 'true' To test if it works Go offline Remove ~/.cache/selenium/se-metadata.json Run a JS feature spec
...start playing video or audio. E.g. if you attempt to call video.play() in a test, the call will reject with a message like this: NotAllowedError: play() failed because the user...
...with the document first. https://goo.gl/xX8pDD Workaround To pretend document interaction in a test you can create an element, click on it, and remove the element again. This unblocks...
See the Spreewald README for more cool features. You can use it to test links that were opened with a link_to(..., :target => '_blank') link or other ways that...
...create new tabs or windows. Important This only works with Selenium enabled tests...
# Usage: linearcommits FOO-123456 # Alternative usage: linearcommits https://linear.app/some-workspace/issue/FOO-123456 function linearcommits { if test "$1" then local LINEAR_ID=$(echo "$1" | grep "[^/]*$" -o) # Extract linear ID from URLs