Rspec_spinner or cucumber_spinner get into an infinite loop
Chances are, something in your project uses the mathn library, which is known to cause infinite loops when rendering the progress bar. If so, this will probably fix it.
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Get Moving With Angular 1.2 Animation and Animate.css
Motion is quickly becoming one of the most important emerging techniques in building a quality user experience on the web. Angular 1.2, currently in release candidate form, provides an overhaul of Angular's animation system and makes it spectacu...
How to create giant memory leaks in AngularJS (and other client-side JavaScript)
This guide shows how to create an AngularJS application that consumes more and more memory until, eventually, the browser process crashes on your users.
Although this guide has been written for Angular 1 originally, most of the advice is relevant...
The JavaScript Object Model: Prototypes and properties
Speaker today is Henning Koch, Head of Development at makandra.
This talk will be in German with English slides.
Introduction
As web developers we work with JavaScript every day, even when our backend code uses anothe...
How to get a backtrace if rspec (or any other ruby process) hangs with no output
If rspec hangs with no output and you dont get a backtrace neither with --backtrace nor by just killing it with crtl-c,
you can put the following in your spec/spec_helper.rb:
puts "rspec pid: #{Process.pid}"
trap 'USR1' do
thread...
Custom error messages in RSpec or Cucumber steps
Sometimes you have a test expectation but actually want a better error message in case of a failure. Here is how to do that.
Background
Consider this test:
expect(User.last).to be_present
In case of an error, it will fail with a not-so-...
A nicer way to run RSpec and/or Cucumber
geordi, our collection of awesome shell scripts, has been extended by three scripts to help you call RSpec or Cucumber:
cuc
This script runs Cucumber the way you want it:
- Prints some line feeds to easi...
AngularJS: Binding to Perl-style getter/setters functions
Angular 1.3+ has an alternative getter/setter pattern: You can bind ng-model to an accessor function. This is a function that ...
How to set up database_cleaner for Rails with Cucumber and RSpec
Add gem 'database_cleaner' to your Gemfile. Then:
Cucumber & Rails 3+
# features/support/database_cleaner.rb
DatabaseCleaner.clean_with(:deletion) # clean once, now
DatabaseCleaner.strategy = :transaction
Cucumber::Rails::Database.java...
How to organize and execute cucumber features (e.g. in subdirectories)
In cucumber you are able to run features in whatever directory you like. This also includes executing features in subdirectories. There are only some things you have to take care of.
By default, cucumber loads all *.rb files it can find (recurs...
Using RSpec stubs and mocks in Cucumber
By default, Cucumber uses mocha. This note shows to use RSpec stubs and mocks instead.
Rspec 1 / Rails 2
Put the following into your env.rb:
require 'spec/stubs/cucumber'
Rspec 2 / Rails 3
Put the following into your `env.rb...