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Savon testing library
Ruby
Branch: master
2 comments

Add deprecation message

This has been deprecated for a *long* time.
latest commit cad37ff961
@tjarratt tjarratt authored

README.md

Savon::Spec Build Status

Savon v1 Rspec Helpers

Deprecated

Starting in Savon v2, spec helpers are included in Savon itself. This gem is only helpful if you're using Savon v1. It is highly recommended to use Savon v2 with the Savon::SpecHelper module for new projects.

Installation

Savon::Spec is available through Rubygems and can be installed via:

$ gem install savon_spec

Expects

Include the Savon::Spec::Macros module into your specs:

RSpec.configure do |config|
  config.include Savon::Spec::Macros
end

By including the module you get a savon method to mock SOAP requests. Here's a very simple example:

let(:client) do
  Savon::Client.new do
    wsdl.endpoint = "http://example.com"
    wsdl.namespace = "http://users.example.com"
  end
end

before do
  savon.expects(:get_user)
end

it "mocks a SOAP request" do
  client.request(:get_user)
end

This sets up an expectation for Savon to call the :get_user action and the specs should pass without errors. Savon::Spec does not execute a POST request to your service, but uses Savon hooks to return a fake response:

{ :code => 200, :headers => {}, :body => "" }

To further isolate your specs, I'd suggest setting up FakeWeb to disallow any HTTP requests.

With

Mocking SOAP requests is fine, but what you really need to do is verify whether you're sending the right parameters to your service.

before do
  savon.expects(:get_user).with(:id => 1)
end

it "mocks a SOAP request" do
  client.request(:get_user) do
    soap.body = { :id => 1 }
  end
end

This checks whether Savon uses the SOAP body Hash you expected and raises a Savon::Spec::ExpectationError if it doesn't.

Failure/Error: client.request :get_user, :body => { :name => "Dr. Who" }
Savon::Spec::ExpectationError:
  expected { :id => 1 } to be sent, got: { :name => "Dr. Who" }

You can also pass a block to the #with method and receive the Savon::SOAP::Request before the POST request is executed.
Here's an example of a custom expectation:

savon.expects(:get_user).with do |request|
  request.soap.body.should include(:id)
end

Returns

Instead of the default fake response, you can return a custom HTTP response by passing a Hash to the #returns method.
If you leave out any of these values, Savon::Spec will add the default values for you.

savon.expects(:get_user).returns(:code => 500, :headers => {}, :body => "save the unicorns")

Savon::Spec also works with SOAP response fixtures (simple XML files) and a conventional folder structure:

~ spec
  ~ fixtures
    ~ get_user
      - single_user.xml
      - multiple_users.xml
  + models
  + controllers
  + helpers
  + views

When used inside a Rails 3 application, Savon::Spec uses Rails.root.join("spec", "fixtures") to locate your fixture directory.
In any other case, you have to manually set the fixture path via:

Savon::Spec::Fixture.path = File.expand_path("../fixtures", __FILE__)

Directory names inside the fixtures directory map to SOAP actions and contain actual SOAP responses from your service(s).
You can use one of those fixtures for the HTTP response body like in the following example:

savon.expects(:get_user).with(:id => 1).returns(:single_user)

As you can see, Savon::Spec uses the name of your SOAP action and the Symbol passed to the #returns method to navigate inside
your fixtures directory and load the requested XML files.

Never

Savon::Spec can also verify that a certain SOAP request was not executed:

savon.expects(:get_user).never

RSpec

This library is optimized to work with RSpec, but it could be tweaked to work with any other testing library.
Savon::Spec installs an after filter to clear out its Savon hooks after each example.

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