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Provides a helper method in your functional tests that automatically opens the response body in the default browser.
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README

= vizres

Enables rendering of the body of an HTTP response from inside a functional test.
This makes it easy to diagnose problems when building assert_select statements
or just sanity check the output of the test.

== Installation

Install the gem directly:

  sudo gem install pelargir-vizres --source=http://gems.github.com
  
Or install the plugin in your Rails project:
  
  script/plugin install git://github.com/pelargir/vizres.git

Or clone the project:

  git clone git://github.com/pelargir/vizres.git

== Usage

Insert the vr method in your functional test immediately after an HTTP
request has been sent:

  def test_new
    post :new
    vr
    assert_select "div[id=header]"
  end

vr attempts to open the response body in the default web browser. If you want
to open the raw HTML in the default text editor instead, simply pass the :html
symbol to the method:

  def test_new
    post :new
    vr(:html)
    ...
  end

By default, vr looks for an instance variable named @response and calls the #body
method on it. If your page body is stored in a different variable, such as when
testing a mailer, you can pass the raw HTML directly to vr and it will do the
right thing:

  def test_mailer
    mail = Mailer.create_notification
    vr(mail.body)
    ...
  end

Note that to use the default web view, your Rails application must be running
locally on port 3000. This will ensure that the page renders correctly with the
appropriate images and stylesheets. The server doesn't need to be running if
you use the HTML-only view.

== Compatibility

vizres requires OS X. Support for Windows is planned.

test/spec and test/unit work fine with vizres. RSpec, however, tests views
independently of controllers, so vizres won't work with it.

If Subversion is installed and accessible on the command line, the temporary
files generated by vizres will automatically be marked and ignored by
Subversion on check-in.

== Running Unit Tests

Use the rake command to run the unit tests for the plugin. The tests require
that the Mocha gem be installed locally:

  sudo gem install mocha

== Resources

Repository: http://github.com/pelargir/vizres/
Blog: http://matthewbass.com
Author: Matthew Bass
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