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grunt-css-test

grunt-css-test

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grunt-css-test

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CSS testing through browsers screenshots comparation

Getting Started

This plugin requires Grunt ~0.4.5

If you haven't used Grunt before, be sure to check out the Getting Started guide, as it explains how to create a Gruntfile as well as install and use Grunt plugins. Once you're familiar with that process, you may install this plugin with this command:

npm install grunt-css-test --save-dev

Once the plugin has been installed, it may be enabled inside your Gruntfile with this line of JavaScript:

grunt.loadNpmTasks('grunt-css-test');

The "css_test" task

Overview

In your project's Gruntfile, add a section named css_test to the data object passed into grunt.initConfig().

grunt.initConfig({
  css_test: {
    options: {
      // Task-specific options go here.
    },
    your_target: {
      // Target-specific file lists and/or options go here.
    },
  },
});

Options

options.screenshotsPath

Type: String Default value: tests/screenshots/target

Path that is used to save testing pages screenshots. These screenshots are used later as expected images.

options.resultsPath

Type: String Default value: tests/results/target

Path that is used to save current pages screenshots and diff images from previously saved images.

options.pages

Type: Array

A list of pages to test.

options.environment.sauce

Type: Boolean

Target environment uses saucelabs connection.

options.environment.debug

Type: Boolean

Debug information is displayed on console if enabled. This includes webdriver commands.

options.environment.remote

type: Object Default value: http://localhost:9515

WebDriver remote connection information. For example if you want to use sauce onDemand:

remote: {
  host: "ondemand.saucelabs.com",
  port: 80
},

options.environment.capabilities

type: Object

An object that describes the capabilities to instantiate a new webdriver. more info.

There is an important property if you decide to choose sauceLabs, the tunnel-identifier, this will be the map between sauce connect and your test.

Usage Examples

Default Options

In this example, there is just one page to test.

The webdriver will try to connect remote: http://localhost:9515, using chrome. Images will be stored on tests/screenshots/local.

grunt.initConfig({
  css_test: {
    options:{
      pages: [{ name:'googleHome', url:'https://www.google.com'}]
    },
    local: {
      options: {
      }
    }
  },
});

Custom Options

In this example, a browser from sauceLabs is instantiated.

grunt.initConfig({
  css_test: {
      options:{
        pages: [{ name:'googleHome', url:'https://www.google.com'}]
      },
      sauce_chrome: {
        options: {
          environment: {
            sauce: true,
            debug: false,
            remote: {
              host: "ondemand.saucelabs.com",
              port: 80
            },
            capabilities: {
              name: 'styles test',
              tags: ['styles testing'],
              'tunnel-identifier': 'tunnel-id',
              'screen-resolution': '1024x768',
              platform: 'Windows 7',
              browserName: 'chrome',
              version: '34',
              build: 'build #'
            }
          },
          screenshotsPath: 'tmp/screenshots/sauce/chrome',
          resultsPath: 'tmp/results/sauce/chrome'
        }
      }
    },
});

Contributing

In lieu of a formal styleguide, take care to maintain the existing coding style. Add unit tests for any new or changed functionality. Lint and test your code using Grunt.

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