...the with_routing helper -- but that one destroys existing routes which may break a specs that require them to work. To keep both "regular" and test routes, do this:
...MyApplicationController < ActionController::Base def show render text: 'Welcome to my application' end end test_routes = Proc.new do get '/my_application' => 'my_application#show' end Rails.application.routes.eval_block(test_routes)
After updating Rubygems you see a wall of deprecation warnings like this: NOTE: Gem::SourceIndex#add_spec is deprecated, use Specification.add_spec. It will be removed on or after...
...Gem::SourceIndex#add_spec called from /usr/local/lib/site_ruby/1.8/rubygems/source_index.rb:197. NOTE: Gem::SourceIndex#add_specs is deprecated with no replacement. It will be removed on or after 2011-11-01. Gem::SourceIndex...
With its you can switch the subject of an example to a method value of the current subject: describe Array do its(:length) { should == 0 } end stub_chain is the...
...tie to go along with should_receive_chain's tux: object.stub_chain(:first, :second, :third).and_return(:this) You can restore the original implementation of stubbed methods with unstub:
...false, you need to do it like this: nil.should == false # fails as expected Wat? See also RSpec: be_true does not actually check if a value is true
...than cluttering controllers with domain logic, they usually represent a failure to apply the Single Responsibility Principle (SRP). “Anything related to what a user does” is not a single responsibility...
...Early on, SRP is easier to apply. ActiveRecord classes handle persistence, associations and not much else. But bit-by-bit, they grow. Objects that are inherently responsible for persistence become...
...from a drive or image in a virtual machine you do not need to setup up a VirtualBox machine. Often QEMU does the job well enough. Install it:
...get install qemu To boot an ISO: qemu-system-x86_64 -cdrom filename.iso If you prepared a USB pen drive and want to test it, run it like this (/dev/sdx...
...you upgrade to the mysql2 gem, you will run into the problem that the server's database.yml (which is usually not under version control) needs to change exactly on deploy...
...can however make your database.yml work for mysql and mysql2 at the same time. Simpy do this production: adapter: <%= defined?(Mysql2) ? 'mysql2' : 'mysql...
Generally, Selenium tests use the browser to interact with the page. If it's unavailable, a timeout error is thrown. Now, consider a scenario like this: @javascript Scenario: Receive...
...When I follow "fancy link" Then I should have an e-mail with the subject "Hello" When the last step in the scenario passes, you are done. Right? Wrong.
Just a quick note that Virtus can coerce (auto-cast) structured values like collections or maps: class Klass include Virtus.model attribute :dimensions, Hash[Symbol => Float] attribute :numbers, Array[Integer]
I have no idea how it's supposed to work (or why the don't have a print CSS), but this works for pages written with Markdown: "Edit" the wiki...
In addition to the {{ myValue }} two-way binding syntax, since Angular 1.3 there's a one-time binding syntax, prefixing the value or expression with ::, e.g. {{ ::myValue }}, {{ ::myValue >= 42 }} and...
...myExpression(value) | someFilter }}. One-time bound expressions get dropped from the list of watchers as soon as they can be resolved. Performance-wise the impact for this small change is...
Terminator has a cool feature that allows you to split your terminal into many panels and type in all of them at the same time. It's called broadcasting and...
...and could be very dangerous (e.g. if you're logged in to a production server in a terminal that is on another workspace). To prevent the broadcast from affecting other...
...it can wipe the database. Importing a remote dump with geordi Asking Postgres to show the storage path of a database Doing these things without a superuser will show a...
...raise PG::InsufficientPrivilege. To do so, the application's PostgreSQL user must be a superuser. Grant superuser rights like this: $ sudo -u postgres psql # ALTER USER WITH SUPERUSER...
...Transcoder is video transcoding in the cloud. It is designed to be a highly scalable, easy to use and a cost effective way for developers and businesses to convert (or...
...transcode”) video files from their source format into versions that will playback on devices like smartphones, tablets and PCs. This might be a good alternative for services like Panda which...
It's like a GUI for the famous git add [-p]. Select files with the up/down-keys and hit u for staging/unstaging the whole file Enter for showing the diff of...
j and k to navigate in the diff u again to stage/unstage chunks 1 to stage/unstage only lines \ to split large chunks F5 to refresh the view
If you paste multiple lines of text into a cell, Calc's AutoCorrect will change the first character of the...
...you want to inspect a method's magic), you need to enable it explicitly: script/console --debugger If you cannot access local variables etc, see this card. WEBrick For WEBrick, enable...
script/server --debugger
...to it if the content inside is too long. While you can only truncate single lines with CSS by using text-overflow, this small JavaScript library also allows truncating text...
...For Internet Explorer, the element you clamp on needs to have its line-height set in pixels. A relative value will not work. There is also the -webkit-line-clamp...
...may want to know the current commit. [1]\ Luckily, there is lots of useful stuff in the .git directory. Commit hash that you are currently applying cat .git/rebase-merge/stopped-sha
...you want to inspect the original commit for its changes, for example like: git show `cat .git/rebase-merge/stopped-sha` Current commit's message cat .git/rebase-merge/message In case you forgot what the changes...
Running Cucumber tests while your cucumber.yml is 100% valid may still produce the following error. cucumber.yml was found, but could not be parsed. Please refer to cucumber's documentation on...
Scope is all about where something is visible. It’s all about what (variables, constants, methods) is available to you at a given moment. If you understand scope well enough...
...more importantly, which ones are not. The article gives detailed explanation on the variable scope in ruby with examples that are easy to understand. Every ruby developer should at least...
If you're getting this strange error message when setting debugging breakpoints, probably HAML is the culprit. Cause As far as I could find out, the error is the result...
...of setting a breakpoint (debugger) in a helper method that's called from a haml partial. Suggestions Try putting the breakpoint into the HAML view...
...or quote from an article is duplicated within the article using a different formatting style so that it jumps out at the reader. Blatantly copying the excerpt of the pull...
A pull quote is a purely visual technique, and therefore should not change the structure of the body. Next to that, a structural representation of the excerpt would be seen...
There is a kinda secret, yet well supported CSS feature called currentColor. It's like a special CSS variable that has been supported in almost all browsers for almost all...
...time (see linked Caniuse). Usage The currentColor value can be used in CSS to indicate the current value of color should be used. A common use case is setting a...