This presentation covers detailed overview of capybara and cucumber with DSL using ruby language. it covers below aspects.
- Setup for capybara and cucumber
- Overview and directory structure.
- Capybara using cucumber or any other ruby test framework.
Setting up the driver.
- The DSL (Navigation, clicking link or button, interacting with forms)
- The DSL (querying, finding, scoping)
- The DSL (windows, scripting, modals, debugging)
- Capybara test execution, tagging, reporting.
Rami Sayar presented on advanced Django architecture techniques for scaling Django applications in production environments. He discussed load balancing Django across multiple servers using solutions like HAProxy. He also covered caching with Varnish to improve performance, and using Redis or Memcached for caching. Finally, he discussed asynchronous task queues like Celery for processing tasks outside the request-response cycle.
Cooking Perl with Chef: Real World Tutorial with JitterbugDavid Golden
This tutorial provides a command-by-command walk-through for deploying the Jitterbug continuous integration application using the Chef configuration management tool
How to develop Jenkins plugin using to ruby and Jenkins.rbHiroshi SHIBATA
- The document discusses developing Jenkins plugins using Ruby and the jpi tool. It covers generating a sample wrapper plugin, configuring the plugin, and building and releasing the plugin through jpi commands.
- The speaker demonstrates creating a sample "rbenv" plugin with jpi to configure Ruby versions and gems for builds.
- Commands like jpi new, generate, build, server and release are used to generate the plugin scaffolding, configure the wrapper, build the plugin file, host it locally for testing, and prepare it for release.
PECL Picks - Extensions to make your life betterZendCon
This document provides information about various PHP extensions available through PECL (PHP Extension Community Library). It introduces the author and their background, describes what PECL is and provides a brief history. It then discusses the current status of PECL, future plans, and how individuals can get involved. Finally, it highlights and provides code examples for several popular and useful PECL extensions, including APC, Memcache, Imagick, HTTP, UploadProgress and others.
The document discusses Ruby on Rails, an open-source web application framework. It is optimized for programmer happiness and productivity by favoring convention over configuration, allowing developers to write code more quickly. Ruby on Rails uses a model-view-controller (MVC) architecture and is widely adopted by companies like Twitter.
Gradle is an open source build automation tool that uses Groovy for its build configuration files rather than XML like Maven. It offers features like incremental compilation, parallel task execution, and a built-in dependency management system. Projects can be configured as multi-module builds with hierarchical or flat layouts. Gradle supports plugins for tasks like compilation, testing, packaging, and publishing. It integrates with IDEs like IntelliJ, Eclipse, and NetBeans and can be used to build Java EE applications and other projects.
Rami Sayar presented on advanced Django architecture techniques for scaling Django applications in production environments. He discussed load balancing Django across multiple servers using solutions like HAProxy. He also covered caching with Varnish to improve performance, and using Redis or Memcached for caching. Finally, he discussed asynchronous task queues like Celery for processing tasks outside the request-response cycle.
Cooking Perl with Chef: Real World Tutorial with JitterbugDavid Golden
This tutorial provides a command-by-command walk-through for deploying the Jitterbug continuous integration application using the Chef configuration management tool
How to develop Jenkins plugin using to ruby and Jenkins.rbHiroshi SHIBATA
- The document discusses developing Jenkins plugins using Ruby and the jpi tool. It covers generating a sample wrapper plugin, configuring the plugin, and building and releasing the plugin through jpi commands.
- The speaker demonstrates creating a sample "rbenv" plugin with jpi to configure Ruby versions and gems for builds.
- Commands like jpi new, generate, build, server and release are used to generate the plugin scaffolding, configure the wrapper, build the plugin file, host it locally for testing, and prepare it for release.
PECL Picks - Extensions to make your life betterZendCon
This document provides information about various PHP extensions available through PECL (PHP Extension Community Library). It introduces the author and their background, describes what PECL is and provides a brief history. It then discusses the current status of PECL, future plans, and how individuals can get involved. Finally, it highlights and provides code examples for several popular and useful PECL extensions, including APC, Memcache, Imagick, HTTP, UploadProgress and others.
The document discusses Ruby on Rails, an open-source web application framework. It is optimized for programmer happiness and productivity by favoring convention over configuration, allowing developers to write code more quickly. Ruby on Rails uses a model-view-controller (MVC) architecture and is widely adopted by companies like Twitter.
Gradle is an open source build automation tool that uses Groovy for its build configuration files rather than XML like Maven. It offers features like incremental compilation, parallel task execution, and a built-in dependency management system. Projects can be configured as multi-module builds with hierarchical or flat layouts. Gradle supports plugins for tasks like compilation, testing, packaging, and publishing. It integrates with IDEs like IntelliJ, Eclipse, and NetBeans and can be used to build Java EE applications and other projects.
The document discusses scripting Java applications using the Bean Scripting Framework (BSF) 3.0. It provides an overview of BSF 3.0, how to integrate scripting into Java applications using the Java Scripting API (JSR-223), and examples of using BSF with the Apache Sling project in an OSGi environment. It also demonstrates automatically registering a sample "Demo" scripting engine and interacting with scripts through variable bindings.
Maven is a build tool that can manage a project's build process, dependencies, documentation and reporting. It uses a Project Object Model (POM) file to store build configuration and metadata. Maven has advantages over Ant like built-in functionality for common tasks, cross-project reuse, and support for conditional logic. It works by defining the project with a POM file then running goals bound to default phases like compile, test, package to build the project.
This document summarizes a presentation about the future of the Rake gem and domain-specific languages (DSLs) in Ruby.
The presentation discusses:
1. How Rake works as a Make-like program implemented in Ruby syntax with tasks and dependencies. Rake files use standard Ruby syntax.
2. Examples of common patterns for building internal DSLs in Ruby using class/module methods, method definition, implicit/explicit code blocks, and instance evaluation.
3. How popular Ruby gems like Rake, Bundler, and Thor use DSL techniques and inherit from each other to provide domain-specific interfaces.
Laravel 9 is the latest version of the popular Laravel PHP framework. Some key new features in Laravel 9 include support for PHP 8.0, improved route listing in the console, anonymous stub migrations by default, customizable exception page themes, and a new query builder interface. Laravel 9 also provides longer term support than previous versions, with bug fixes supported until February 2024 and security fixes until 2025. The installation of Laravel 9 is straightforward, requiring use of the Composer package manager.
Connect2017 DEV-1550 Why Java 8? Or, What's a Lambda?Julian Robichaux
This document discusses Java 8 features like lambdas and streams. It begins with an introduction to lambdas, providing an example of using a lambda expression with the setHostnameVerifier() method instead of an anonymous class. Lambdas allow passing functions as parameters and rely on functional interfaces. The document then covers streams, showing how to iterate over a certificate array using streams instead of a for loop. Additional examples demonstrate sorting a list of sandwiches using different comparator constructions and handling exceptions. The key benefits of lambdas and streams are cleaner, more readable code that encourages a functional programming style.
This presentation provides a comprehensive overview of Maven 3 including lifecycles and a detail of the default lifecycle and the associated phases within.
The document discusses containerizing ASP.NET Core applications with Kubernetes. It begins with an overview of .NET Core and containers, and how they have converged. It then discusses Kubernetes and how it can help manage containers at scale. It covers Kubernetes building blocks like deployments, pods, labels, services, and replica sets. It provides examples of deploying containers with Kubernetes, including demonstrations of creating deployments, services, scaling applications, and rolling updates.
This document discusses Apache Maven, an open-source tool for building and managing Java-based projects. It begins with defining Maven and comparing it to Ant, noting Maven's advantages like built-in versioning and conventions. The core POM file is explained, along with Maven plugins, archetypes, repositories, and dependency management. Maven's built-in lifecycles and phases are also summarized. The presentation concludes with a quick demo and Q&A section.
Flipkart scales its PHP infrastructure through techniques like horizontal scaling using load balancers, optimizing web servers through technologies like PHP-FPM, and employing a Java middleware called fk-w3-agent to offload tasks from PHP like logging, connection pooling, and running statistics. This improves performance by reducing PHP resource usage and allowing parallelization of tasks. High availability is ensured through techniques such as load balancer standby nodes and session affinity configurations.
The document discusses automating software deployment using Ansible. It provides an overview of Ansible's basic concepts like inventory files to define hosts, playbooks to execute tasks on hosts, and roles to bundle related tasks. It then discusses using Ansible roles to automate deployments, including the ansistrano roles which can deploy applications by copying files, managing releases, and supporting deployment hooks. Overall the document presents Ansible as a way to easily automate and standardize software deployment processes.
Maven plugins, properties en profiles: Advanced concepts in MavenGeert Pante
This document provides an overview of advanced Maven concepts including plugins, properties, profiles, and the Maven reactor. It describes how plugins can be bound to phases in Maven lifecycles and configured. Properties can define build variables and be used for filtering and dependency versions. Profiles allow alternative builds and configurations. The Maven reactor handles building multi-module projects.
Short Lived Tasks in Cloud Foundry #cfdtokyoToshiaki Maki
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This document discusses Maven, an open source build automation tool used primarily for Java projects. It introduces some key Maven concepts including plugins, lifecycles, dependencies, profiles, and repositories. Plugins in Maven are similar to tasks in Ant and add functionality by defining goals that are bound to lifecycle phases. The document provides examples of configuring plugins, dependencies, and profiles in Maven projects.
Leave end-to-end testing to Capybara. Capybara is a web testing tool that simulates user interactions with a website. It allows automating browser interactions for scenarios and features using domain-specific languages like Cucumber. Capybara supports using different drivers like Selenium for JavaScript interactions and HtmlUnit for non-JavaScript sites. Specifying the driver and JavaScript support in tests allows running tests across different environments.
This document provides an overview of behavioural testing for Ruby on Rails applications at scale using RSpec and Cucumber. It discusses unit, integration and acceptance testing. It then covers the Test Driven Development (TDD) and Behaviour Driven Development (BDD) approaches. The rest of the document explains how to implement testing with RSpec, Shoulda-Matchers, Factory Girl, Cucumber, Gherkin and Capybara. It also discusses different web drivers that can be used like Rack Test, Selenium, Capybara-webkit and Poltergeist.
The document provides an overview of integration and acceptance testing, comparing integration tests and acceptance tests. It discusses various testing tools and frameworks for Ruby on Rails including Test::Unit, Webrat, Capybara, Selenium, Cucumber, and FitNesse. It provides information on installing and using these tools for testing end-to-end functionality and interactions across multiple layers.
The document discusses scripting Java applications using the Bean Scripting Framework (BSF) 3.0. It provides an overview of BSF 3.0, how to integrate scripting into Java applications using the Java Scripting API (JSR-223), and examples of using BSF with the Apache Sling project in an OSGi environment. It also demonstrates automatically registering a sample "Demo" scripting engine and interacting with scripts through variable bindings.
Maven is a build tool that can manage a project's build process, dependencies, documentation and reporting. It uses a Project Object Model (POM) file to store build configuration and metadata. Maven has advantages over Ant like built-in functionality for common tasks, cross-project reuse, and support for conditional logic. It works by defining the project with a POM file then running goals bound to default phases like compile, test, package to build the project.
This document summarizes a presentation about the future of the Rake gem and domain-specific languages (DSLs) in Ruby.
The presentation discusses:
1. How Rake works as a Make-like program implemented in Ruby syntax with tasks and dependencies. Rake files use standard Ruby syntax.
2. Examples of common patterns for building internal DSLs in Ruby using class/module methods, method definition, implicit/explicit code blocks, and instance evaluation.
3. How popular Ruby gems like Rake, Bundler, and Thor use DSL techniques and inherit from each other to provide domain-specific interfaces.
Laravel 9 is the latest version of the popular Laravel PHP framework. Some key new features in Laravel 9 include support for PHP 8.0, improved route listing in the console, anonymous stub migrations by default, customizable exception page themes, and a new query builder interface. Laravel 9 also provides longer term support than previous versions, with bug fixes supported until February 2024 and security fixes until 2025. The installation of Laravel 9 is straightforward, requiring use of the Composer package manager.
Connect2017 DEV-1550 Why Java 8? Or, What's a Lambda?Julian Robichaux
This document discusses Java 8 features like lambdas and streams. It begins with an introduction to lambdas, providing an example of using a lambda expression with the setHostnameVerifier() method instead of an anonymous class. Lambdas allow passing functions as parameters and rely on functional interfaces. The document then covers streams, showing how to iterate over a certificate array using streams instead of a for loop. Additional examples demonstrate sorting a list of sandwiches using different comparator constructions and handling exceptions. The key benefits of lambdas and streams are cleaner, more readable code that encourages a functional programming style.
This presentation provides a comprehensive overview of Maven 3 including lifecycles and a detail of the default lifecycle and the associated phases within.
The document discusses containerizing ASP.NET Core applications with Kubernetes. It begins with an overview of .NET Core and containers, and how they have converged. It then discusses Kubernetes and how it can help manage containers at scale. It covers Kubernetes building blocks like deployments, pods, labels, services, and replica sets. It provides examples of deploying containers with Kubernetes, including demonstrations of creating deployments, services, scaling applications, and rolling updates.
This document discusses Apache Maven, an open-source tool for building and managing Java-based projects. It begins with defining Maven and comparing it to Ant, noting Maven's advantages like built-in versioning and conventions. The core POM file is explained, along with Maven plugins, archetypes, repositories, and dependency management. Maven's built-in lifecycles and phases are also summarized. The presentation concludes with a quick demo and Q&A section.
Flipkart scales its PHP infrastructure through techniques like horizontal scaling using load balancers, optimizing web servers through technologies like PHP-FPM, and employing a Java middleware called fk-w3-agent to offload tasks from PHP like logging, connection pooling, and running statistics. This improves performance by reducing PHP resource usage and allowing parallelization of tasks. High availability is ensured through techniques such as load balancer standby nodes and session affinity configurations.
The document discusses automating software deployment using Ansible. It provides an overview of Ansible's basic concepts like inventory files to define hosts, playbooks to execute tasks on hosts, and roles to bundle related tasks. It then discusses using Ansible roles to automate deployments, including the ansistrano roles which can deploy applications by copying files, managing releases, and supporting deployment hooks. Overall the document presents Ansible as a way to easily automate and standardize software deployment processes.
Maven plugins, properties en profiles: Advanced concepts in MavenGeert Pante
This document provides an overview of advanced Maven concepts including plugins, properties, profiles, and the Maven reactor. It describes how plugins can be bound to phases in Maven lifecycles and configured. Properties can define build variables and be used for filtering and dependency versions. Profiles allow alternative builds and configurations. The Maven reactor handles building multi-module projects.
Short Lived Tasks in Cloud Foundry #cfdtokyoToshiaki Maki
The document discusses different types of tasks in Cloud Foundry including long-running process (LRP) tasks, app process staging tasks, and app tasks. It provides examples of using the cf v3-run-task command to run tasks such as database migrations, flyway migrations, and a custom task to output a greeting.
This document discusses Maven, an open source build automation tool used primarily for Java projects. It introduces some key Maven concepts including plugins, lifecycles, dependencies, profiles, and repositories. Plugins in Maven are similar to tasks in Ant and add functionality by defining goals that are bound to lifecycle phases. The document provides examples of configuring plugins, dependencies, and profiles in Maven projects.
Leave end-to-end testing to Capybara. Capybara is a web testing tool that simulates user interactions with a website. It allows automating browser interactions for scenarios and features using domain-specific languages like Cucumber. Capybara supports using different drivers like Selenium for JavaScript interactions and HtmlUnit for non-JavaScript sites. Specifying the driver and JavaScript support in tests allows running tests across different environments.
This document provides an overview of behavioural testing for Ruby on Rails applications at scale using RSpec and Cucumber. It discusses unit, integration and acceptance testing. It then covers the Test Driven Development (TDD) and Behaviour Driven Development (BDD) approaches. The rest of the document explains how to implement testing with RSpec, Shoulda-Matchers, Factory Girl, Cucumber, Gherkin and Capybara. It also discusses different web drivers that can be used like Rack Test, Selenium, Capybara-webkit and Poltergeist.
The document provides an overview of integration and acceptance testing, comparing integration tests and acceptance tests. It discusses various testing tools and frameworks for Ruby on Rails including Test::Unit, Webrat, Capybara, Selenium, Cucumber, and FitNesse. It provides information on installing and using these tools for testing end-to-end functionality and interactions across multiple layers.
This document provides an overview and agenda for a presentation on TorqueBox, which allows running Ruby on Rails applications with enterprise capabilities by running them on the JBoss application server. The presentation covers how Rails applications can be deployed on TorqueBox to gain access to services like the web container, message bus, and databases. It also discusses how additional features like scheduled jobs, asynchronous task queues, and SOAP endpoints can be integrated by following Rails-like conventions.
This document discusses JSP and JSTL. It begins with an introduction to JSP, explaining that JSP is a server-side technology used to create dynamic web content by inserting Java code into HTML pages. It then covers some advantages of JSP over servlets, features of JSP like ease of coding and database connectivity, and how to run a JSP project in Eclipse. The document next discusses JSTL, the JavaServer Pages Standard Tag Library, which provides commonly used JSP tags. It classifies JSTL tags and provides examples. Finally, it discusses interfacing a Java servlet program with JDBC and MySQL to insert data into a database table.
The document provides an overview of RSpec testing framework. It discusses test-driven development (TDD) and behavior-driven development (BDD), then introduces RSpec as a BDD framework for Ruby. It covers key RSpec concepts like expectations and matchers, mocking and stubbing, controller and model specs. It also compares RSpec and Cucumber testing frameworks and provides sample feature spec code using Capybara.
Ruby on Rails is a web framework that allows for rapid development through its built-in tools and modular structure. It incorporates principles of quality code, fast development processes, and reliable code. The framework uses generators to quickly create application components and includes various object-relational mappers to interface with different database systems. Testing and deployment are also streamlined through built-in tools and external utilities like Rake and Capistrano. Popular sites like Twitter, SlideShare, and Basecamp were all built using Ruby on Rails, demonstrating its capabilities for powering large-scale web applications.
The document provides an overview of using JBoss Application Server to run Ruby on Rails applications. It discusses installing JRuby, Rails, the JBoss-Rails deployer and support libraries. These allow Rails applications to be deployed to JBoss and take advantage of features like JDBC database connectivity. Steps covered include creating a sample Rails application, setting up the database, deploying the application to JBoss using Rake tasks, and generating models. The goal is to demonstrate how to set up the necessary components and deploy a basic Rails application on JBoss Application Server.
The document discusses RSpec, a behavior-driven development framework for Ruby. It provides two frameworks: a story framework for describing application-level behavior and a spec framework for describing object-level behavior. The document then discusses testing Rails applications, including testing models and controllers. It provides an example of generating a model, migration, and test for a Book model.
Cucumber is a tool that executes plain-text behavioral tests written in Gherkin and maps them to code via step definitions to automate testing; Gherkin is a business-readable language used to describe software behavior without detailing implementation; Cucumber uses Ruby and drivers like Capybara to simulate user interactions and check outcomes of the automated tests.
Installing spark scala console in windows 10Ankit Kaneri
This presentation will guide you on how to install the sbt tool to work on the scala command interpreter. This also have the some basic information and important links where you can find the study material.
A classic task for an Automation QA Engineer these days:
- Developer and automate test coverage for some web or mobile software solution
This workshop offers a quick start for anyone who is interested in building a proper end-to-end test framework for those needs from the scratch.
We will use a robust and effective stack of technologies, verified by time and trusted by the community:
RUBY + CUCUMBER + WATIR + WATIRSOME + RSPEC/EXPECTATIONS
This document provides an introduction to Java servlet technology. It discusses how servlets address limitations of CGI scripts by providing a portable way to generate dynamic web content from the server side using Java. Key topics covered include the servlet interface, lifecycle, and advantages over CGI such as improved performance and portability. Configuration and use of servlets within Eclipse and Tomcat are also explained.
- Play 2.0 is a web framework for Java and Scala that simplifies development by embracing HTTP rather than fighting it
- It takes a new approach to building web apps in Java by not being built on top of servlet APIs and using an asynchronous programming model
- Developing, testing, and deploying a Play app locally and to CloudFoundry involves creating a project, running it locally, and pushing the compiled code to CloudFoundry which automatically detects and supports Play apps
Scala.js is a way to build robust front-end web applications using Scala that compiles to JavaScript. It provides correctness through type safety, performance comparable to native JavaScript, and easy interoperability. The presenter's company Wiringbits uses Scala.js with libraries like Slinky and ScalablyTyped for React applications. Their Scala.js onboarding process involves assigning trainees simple tasks under a mentor to become productive with Scala and Scala.js quickly, having successfully onboarded about 10 developers through this approach.
This document provides an overview of Ruby on Rails, a web application framework written in Ruby. It discusses what Ruby and Rails are, the key strengths of Rails like productivity and convention over configuration. It then demonstrates how to build a basic Rails application, including generating models and controllers, scaffolding, and adding relationships between models. The document aims to introduce developers to Ruby on Rails and demonstrate its capabilities.
This document provides an introduction and overview of Ruby on Rails, including who uses it, example applications built with it, its MVC framework structure, and a step-by-step guide to building a basic "Hello World" Ruby on Rails application.
Sails.js is a realtime MVC framework for Node.js that provides conventions and structures for building applications. It includes features like a lightweight ORM, policies for authentication and authorization, and integrates Socket.io for realtime functionality. Sails.js aims to simplify building realtime apps by handling websockets and HTTP requests together and providing patterns for application structure. The framework is actively maintained by an open source community.
The document discusses software as a service (SAAS) and why the company Viridian chose to use the Ruby on Rails web application framework. It notes that Rails allows for lower entry costs than other options due to reduced server maintenance needs and flexibility. It also summarizes some key advantages of Rails like its convention over configuration approach and support for modern technologies. The document provides resources for learning Rails including dev environments, tutorials, and open source projects to review.
Ruby on rails integration testing with minitest and capybaraAndolasoft Inc
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2. Agenda
Setup for capybara and cucumber
Overview and directory structure.
Capybara using cucumber or any other ruby test framework.
Setting up the driver.
The DSL (Navigation, clicking link or button, interacting with forms)
The DSL (querying, finding, scoping)
The DSL (windows, scripting, modals, debugging)
Capybara test execution, tagging, reporting.
3. Setup for capybara and cucumber
Install Ruby
Install Ruby Devkit
Install the required gem
4. Setup for capybara and cucumber
Ruby Installation
Download ruby from source url “http://rubyinstaller.org/downloads/”
preferred version Ruby 2.0.0-p648 (x64) and install it.
After installation verify the ruby installation by opening the command prompt
and type ruby –version and press enter. You will see the installed ruby version.
NOTE: Before checking the version you need to set the ruby executables path to
Environment path variable. Ignore if it is already set while installation.
5. Setup for capybara and cucumber
Ruby Devkit Installation
Download ruby Devkit from source url “http://rubyinstaller.org/downloads/”
NOTE: Devkit version should be compatible with ruby version that you have
installed.
Downloaded ruby Devkit is in zip format, extract the downloaded zip file.
In extracted folder you see dk.rb file. it is development kit installation file
Open the command prompt and locate the ruby devkit directory where we
have dk.rb file.
Type “ruby dk.rb init” this cmd will initialize the devkit process.
Now type “ruby dk.rb install” this command will install the devkit
Devkit installation is completed.
6. Setup for capybara and cucumber
Install the required gem
gem install bundle
gem install cucumber
gem install selenium-webdriver
gem install rspec
gem install capybara
NOTE: if you found some version dependencies you can install them first with
there supported versions. Also “gem list” command can be used to list all the
installed gems with there versions.
NOTE: if you face SSL issue while gem download you can change the source:
gem sources -r https://rubygems.org/
gem sources -a http://rubygems.org/
7. Capybara Overview
Capybara
Capybara is a library written in the Ruby programming language which
makes it easy to simulate how a user interacts with your
application. Capybara can talk with many different drivers which execute
your tests through the same clean and simple interface. You can seamlessly
choose between Selenium, Webkit or pure Ruby drivers.
8. Capybara Benefits
Capybara Benefits summary
Open source
Built-in DSL
Support multiple drivers
No setup necessary for Rails and Rack application, it can work with
cucumber, rspec or ruby unit test framework.
9. Cucumber Overview
Cucumber
Cucumber is a testing framework which
supports Behaviour Driven Development (BDD). It lets us define
application behaviour in plain meaningful English text using a simple
grammar defined by a language called Gherkin. Cucumber itself is written
inRuby, but it can be used to “test” code written in Ruby or other
languages
10. Cucumber Benefits
Cucumber benefits summary
Open source.
Support multiple languages.
Style of writing tests allow for easier reuse of code in the tests
Quick and easy set up and execution
It is helpful to understand business scenarios written in cucumber.
11. Cucumber Directory Structure
Directory Structure for Cucumber
step_difinitions
support
features
Feature files
Login.feature
Search.feature
Update.feature
Support files
Env.rb
Step_definitions
files
Test_steps.rb
12. Capybara with other ruby test framework
Capybara can be used with other ruby testing
frameworks
Capybara with cucumber
Capybara with rspec
Capybara with ruby unit test framework
13. Capybara with Cucumber
Cucumber test scenarios
Follow the directory structure mentioned in previous slides and Create a
feature file in features folder and write some test scenarios. Example
below:
14. Capybara with Cucumber
Implementation of cucumber scenarios using
Capybara.
Create a ruby file in step_definitions folder and write ruby code to
implement cucumber test scenarios. Example below:
15. Capybara with Cucumber
Set the driver for test execution.
Create a env.rb file in support folder and write code to set driver for test
execution. Example below:
NOTE: By only adding capybara.default_driver=:selenium line will also work and
by default tests will be executed on firefox browser.
16. Capybara with Cucumber
Cucumber test execution.
Open the command prompt and locate features directory and run the
below command:
Cucumber featurestest.feature
e.g cucumber features<feature file name>
After the execution of tests summary output can be seen as below:
Time may differ on other machine.
17. Capybara with Rspec
Rspec
Rspec is a testing tool for Ruby, created for behavior-driven development
(BDD). It is the most frequently used testing library for Ruby in
production applications. Even though it has a very rich and powerful DSL
(domain-specific language), at its core it is a simple tool which you can
start using rather quickly.
19. Capybara with Rspec
Enough to understand the previous code
Default driver selenium is used.
Describe, context and it are keywords of rspec to give more clarity to the
scenarios. They can take a class name or string argument.
Visit, fill_in and click_button are methods of capybara.
Expect (page) is rspec expectation.
NOTE: Execute the script with cmd “rspec <file_name.rb>”
20. Capybara with ruby unit test framework
Ruby’s Test::Unit
The general idea behind unit testing is that you write a test method that
makes certain assertions about your code, working against a test fixture. A
bunch of these test methods are bundled up into a test suite and can be run
any time the developer wants. To write a test, follow these steps:
require ‘test/unit’ in your test script.
Create a class that subclasses Test::Unit::TestCase.
Add a method that begins with “test” to your class.
Make assertions in your test method.
Optionally define setup and/or teardown to set up and/or tear down
your common test fixture.
You can now run your test as you would any other Ruby script
21. Capybara with ruby unit test framework
Ruby unit test scenario with capybara
22. Setting up the driver
Capybara drivers
RackTest
Selenium
Capybara-webkit
23. Setting up the driver
Racktest driver
RackTest is Capybara's default driver. It is written in pure Ruby and does
not have any support for executing JavaScript. Since the RackTest driver
interacts directly with Rack interfaces, it does not require a server to be
started. However, this means that if your application is not a Rack
application (Rails, Sinatra and most other Ruby frameworks are Rack
applications) then you cannot use this driver. Furthermore, you cannot
use the RackTest driver to test a remote application, or to access remote
URLs (e.g., redirects to external sites, external APIs, or OAuth services)
that your application might interact with.
24. Setting up the driver
Racktest driver
To use racktest driver add gem
Gem install cucumber-rails
If dependency occur add activesupport or
other dependent gems
25. Setting up the driver
Selenium driver
At the moment, Capybara supports Selenium 2.0+
(Webdriver), not Selenium RC. In order to use Selenium, you'll need to
install the selenium-webdriver gem, and add it to your Gemfile if you're
using bundler. Provided Firefox is installed, everything is set up for you,
and you should be able to start using Selenium right away.
26. Setting up the driver
Selenium webdriver setup
Add the below line of code to your env.rb file
You can even set the browser profile, by registering the browser as below.
NOTE: by default firefox browser is used.
27. Setting up the driver
Capybara-webkit driver
The capybara-webkit driver is for true headless testing. It uses QtWebKit
to start a rendering engine process. It can execute JavaScript as well. It is
significantly faster than drivers like Selenium since it does not load an
entire browser.
You can install it with:
gem install capybara-webkit
you can use it by:
Capybara.javascript_driver = :webkit
28. About DSL
DSL (Domain Specific language)
A domain-specific language (DSL) is a computer language specialized to a
particular application domain. This is in contrast to a general-purpose
language (GPL), which is broadly applicable across domains. There is a
wide variety of DSLs, ranging from widely used languages for common
domains, such as HTML for web pages.
Capybara offers a user-friendly DSL (Domain Specific Language) which is
used to describe actions that are executed by the underlying web driver
29. DSL (Navigation)
Navigation
‘visit’ method can be used to navigate to web pages
The visit method only takes a single parameter, the request method
is always GET.
Syntax:
visit('/projects')
visit(post_comments_path(post))
You can get the current path of the browsing session, and test it using
the have_current_path matcher, example below:
expect(page).to have_current_path(post_comments_path(post))
30. DSL (Clicking Elements)
Clicking elements
You can interact with the webapp by following links and buttons. Capybara
automatically follows any redirects, and submits forms associated with buttons.
click_link('id-of-link')
click_link('Link Text')
click_button('Save')
click_on('Link Text') # clicks on either links or buttons
click_on('Button Value')
31. DSL (Interacting with forms)
Interacting with forms
Following methods can be used to interact with web forms.
fill_in('First Name', with: 'John')
fill_in('Password', with: ‘John123')
fill_in('Description', with: 'Really Long Text...')
choose('A Radio Button')
check('A Checkbox')
uncheck('A Checkbox')
attach_file('Image', '/path/to/image.jpg')
select('Option', from: 'Select Box')
NOTE: There are number of methods in capybara to interact with web forms,
you can query the text box using find method and fill the values with set
method. Attach_file method checks the existence of file before attaching it
to web page.
32. DSL (Querying)
Querying
Capybara has a rich set of options for querying the page for the existence of
certain elements, and working with and manipulating those elements.
page.has_selector?('table tr')
page.has_selector?(:xpath, './/table/tr')
page.has_xpath?('.//table/tr')
page.has_css?('table tr.foo')
page.has_content?('foo')
You can use these with RSpec's magic matchers:
expect(page).to have_selector('table tr')
expect(page).to have_selector(:xpath, './/table/tr')
expect(page).to have_xpath('.//table/tr')
expect(page).to have_css('table tr.foo')
expect(page).to have_content('foo')
33. DSL (Finding Elements)
Finding Elements
You can also find specific elements, in order to manipulate them:
find_field('First Name').value
find_field(id: 'my_field').value
find_link('Hello', :visible => :all).visible?
find_link(class: ['some_class', 'some_other_class'], :visible => :all).visible?
find_button('Send').click
find_button(value: '1234').click
find(:xpath, ".//table/tr").click
find("#overlay").find("h1").click all('a').each { |a| a[:href] }
34. DSL (Scoping)
Scoping
Capybara makes it possible to restrict certain actions, such as interacting with
forms or clicking links and buttons, to within a specific area of the page. For this
purpose you can use the generic within method. Optionally you can specify which
kind of selector to use.
within("li#employee") do
fill_in 'Name', with: 'Jimmy'
end
within(:xpath, ".//li[@id='employee']") do
fill_in 'Name', with: 'Jimmy‘
end
35. DSL (Working with windows)
Working with windows
Capybara provides some methods to ease finding and switching windows:
facebook_window = window_opened_by do
click_button 'Like‘
end
within_window facebook_window do
find('#login_email').set('a@example.com')
find('#login_password').set('qwerty')
click_button 'Submit'
end
36. DSL (Scripting)
Scripting
Javascript can be used in drivers which are supported.
Javascript example:
page.execute_script("$('body').empty()")
page.evaluate_script("window.location.reload()")
Jquery example:
page.execute_script %Q{
document.getElementById('file_upload1').style.display = "block";
}
37. DSL (Handling Modals)
Scripting
In drivers which support it, you can accept, dismiss and respond to alerts,
confirms and prompts.
accept or dismiss alert messages
accept_alert do
click_link('Show Alert')
end
accept or dismiss a confirmation
dismiss_confirm do
click_link('Show Confirm')
end
38. DSL (Handling Modals Continue)
Scripting
accept or dismiss prompts
accept_prompt(with: 'Linus Torvalds') do
click_link('Show Prompt About Linux')
end
Verifying the return messages from modals
message = accept_prompt(with: 'Linus Torvalds') do
click_link('Show Prompt About Linux')
end
expect(message).to eq('Who is the chief architect of Linux?')
39. DSL (Debugging)
Debugging
Debugging for tests can be done using below methods
Take a snapshot of the page
page.save_screenshot('screenshot.png')
Retrieve the current state of the DOM as a string
print page.html
NOTE: You should avoid testing against the contents of page.html and
use the more expressive finder methods instead.
40. DSL (Matching)
Matching
It is possible to customize how Capybara finds elements. There are two options
available:
Exactness (Capybara.exact)
Strategy (Capybara.match)
41. DSL (Matching)
Matching (Exactness)
Capybara.exact and the exact option work together with the is expression inside
the XPath gem. When exact is true, all is expressions match exactly, when it is
false, they allow substring matches. Many of the selectors built into Capybara use
the is expression. This way you can specify whether you want to allow substring
matches or not. Capybara.exact is false by default.
For example:
click_link("Password") # also matches "Password confirmation"
Capybara.exact = true
click_link("Password") # does not match "Password confirmation"
click_link("Password", exact: false) # can be overridden
42. DSL (Matching)
Matching (Strategy)
Using Capybara.match and the equivalent match option, you can control how
Capybara behaves when multiple elements all match a query. There are currently
four different strategies built into Capybara:
first: Just picks the first element that matches.
one: Raises an error if more than one element matches.
smart: If exact is true, raises an error if more than one element matches,
just like one. If exact is false, it will first try to find an exact match. An
error is raised if more than one element is found. If no element is found,
a new search is performed which allows partial matches. If that search
returns multiple matches, an error is raised.
prefer_exact: If multiple matches are found, some of which are exact,
and some of which are not, then the first exactly matching element is
returned.
NOTE: The default value for Capybara.match is :smart
43. Capybara hooks
Hooks with cucumber tags
Capybara uses hooks to run setup and teardown for the test cases. hooks adds
the before test and after test scenarios.
Before hook: It is used as setup for test case.
After hook: It is used as teardown for test case.
NOTE: @fileUpload and @fileDownload are cucumber tags.
44. Cucumber Command line options
Cucumber command line
You can check the available command line options in cucumber with command:
“cucumber –help”. Below are some of the useful options.
--require : Require files before executing the features. If this option is not
specified, all *.rb files that are siblings or below the features will be
loaded auto-matically. Automatic loading is disabled when this option is
specified, and all loading becomes explicit. Files under directories named
"support" are always loaded first.
--format : How to format features. Available formats:
Debug
Html
Json
Pretty
NOTE: The default value for --format is pretty.
45. Cucumber Command line options
Cucumber command line (Continue)
You can check the available command line options in cucumber with command:
“cucumber –help”. Below are some of the useful options.
--out : Write output to a file/directory instead of STDOUT. This option
applies to the previously specified –format. e.g –out report.html
--tags : Only execute the features or scenarios with tags matching. e.g –
tags @login
--dry-run : Invokes formatters without executing the steps. Check for test
steps if they are implemented or not.
NOTE: You can check the available formats functionality by with help option.
46. Cucumber Test Execution and Reporting
Cucumber Execution
Command to execute all cucumber tests : Open the command prompt
and locate to features directory and type “cucumber” press enter. It will
execute all the cucumber test scenarios alphabetically.
Command to execute tests with specific tag : run command
“cucumber –tags @login” this will only execute scenarios with login tag.
Command to execute tests and generate html reports : Run command :
“cucumber –tags @login –format html –out report.html” this will
execute scenarios with login tag and generate a report.html file in same
directory from where the tests have been executed.