JezK

Edit File: connection_test.rb

require 'abstract_unit'

class ConnectionTest < Test::Unit::TestCase
  ResponseCodeStub = Struct.new(:code)

def setup
    @conn = ActiveResource::Connection.new('http://localhost')
    @matz  = { :id => 1, :name => 'Matz' }
    @david = { :id => 2, :name => 'David' }
    @people = [ @matz, @david ].to_xml(:root => 'people')
    @people_single = [ @matz ].to_xml(:root => 'people-single-elements')
    @people_empty = [ ].to_xml(:root => 'people-empty-elements')
    @matz = @matz.to_xml(:root => 'person')
    @david = @david.to_xml(:root => 'person')
    @header = {'key' => 'value'}.freeze

@default_request_headers = { 'Content-Type' => 'application/xml' }
    ActiveResource::HttpMock.respond_to do |mock|
      mock.get    "/people/2.xml", @header, @david
      mock.get    "/people.xml", {}, @people
      mock.get    "/people_single_elements.xml", {}, @people_single
      mock.get    "/people_empty_elements.xml", {}, @people_empty
      mock.get    "/people/1.xml", {}, @matz
      mock.put    "/people/1.xml", {}, nil, 204
      mock.put    "/people/2.xml", {}, @header, 204
      mock.delete "/people/1.xml", {}, nil, 200
      mock.delete "/people/2.xml", @header, nil, 200
      mock.post   "/people.xml",   {}, nil, 201, 'Location' => '/people/5.xml'
      mock.post   "/members.xml",  {}, @header, 201, 'Location' => '/people/6.xml'
      mock.head   "/people/1.xml", {}, nil, 200
    end
  end

def test_handle_response
    # 2xx and 3xx are valid responses.
    [200, 299, 300, 399].each do |code|
      expected = ResponseCodeStub.new(code)
      assert_equal expected, handle_response(expected)
    end

# 400 is a bad request (e.g. malformed URI or missing request parameter)
    assert_response_raises ActiveResource::BadRequest, 400

# 401 is an unauthorized request
    assert_response_raises ActiveResource::UnauthorizedAccess, 401

# 403 is a forbidden requst (and authorizing will not help)
    assert_response_raises ActiveResource::ForbiddenAccess, 403

# 404 is a missing resource.
    assert_response_raises ActiveResource::ResourceNotFound, 404

# 405 is a missing not allowed error
    assert_response_raises ActiveResource::MethodNotAllowed, 405

# 409 is an optimistic locking error
    assert_response_raises ActiveResource::ResourceConflict, 409

# 410 is a removed resource
    assert_response_raises ActiveResource::ResourceGone, 410

# 422 is a validation error
    assert_response_raises ActiveResource::ResourceInvalid, 422

# 4xx are client errors.
    [402, 499].each do |code|
      assert_response_raises ActiveResource::ClientError, code
    end

# 5xx are server errors.
    [500, 599].each do |code|
      assert_response_raises ActiveResource::ServerError, code
    end

# Others are unknown.
    [199, 600].each do |code|
      assert_response_raises ActiveResource::ConnectionError, code
    end
  end

ResponseHeaderStub = Struct.new(:code, :message, 'Allow')
  def test_should_return_allowed_methods_for_method_no_allowed_exception
    begin
      handle_response ResponseHeaderStub.new(405, "HTTP Failed...", "GET, POST")
    rescue ActiveResource::MethodNotAllowed => e
      assert_equal "Failed with 405 HTTP Failed...", e.message
      assert_equal [:get, :post], e.allowed_methods
    end
  end

def test_initialize_raises_argument_error_on_missing_site
    assert_raise(ArgumentError) { ActiveResource::Connection.new(nil) }
  end

def test_site_accessor_accepts_uri_or_string_argument
    site = URI.parse("http://localhost")

assert_raise(URI::InvalidURIError) { @conn.site = nil }

assert_nothing_raised { @conn.site = "http://localhost" }
    assert_equal site, @conn.site

assert_nothing_raised { @conn.site = site }
    assert_equal site, @conn.site
  end

def test_proxy_accessor_accepts_uri_or_string_argument
    proxy = URI.parse("http://proxy_user:proxy_password@proxy.local:4242")

assert_nothing_raised { @conn.proxy = "http://proxy_user:proxy_password@proxy.local:4242" }
    assert_equal proxy, @conn.proxy

assert_nothing_raised { @conn.proxy = proxy }
    assert_equal proxy, @conn.proxy
  end

def test_timeout_accessor
    @conn.timeout = 5
    assert_equal 5, @conn.timeout
  end

def test_get
    matz = @conn.get("/people/1.xml")
    assert_equal "Matz", matz["name"]
  end

def test_head
    response = @conn.head("/people/1.xml")
    assert response.body.blank?
    assert_equal 200, response.code
  end

def test_get_with_header
    david = @conn.get("/people/2.xml", @header)
    assert_equal "David", david["name"]
  end

def test_get_collection
    people = @conn.get("/people.xml")
    assert_equal "Matz", people[0]["name"]
    assert_equal "David", people[1]["name"]
  end
  
  def test_get_collection_single
    people = @conn.get("/people_single_elements.xml")
    assert_equal "Matz", people[0]["name"]
  end
  
  def test_get_collection_empty
    people = @conn.get("/people_empty_elements.xml")
    assert_equal [], people
  end

def test_post
    response = @conn.post("/people.xml")
    assert_equal "/people/5.xml", response["Location"]
  end

def test_post_with_header
    response = @conn.post("/members.xml", @header)
    assert_equal "/people/6.xml", response["Location"]
  end

def test_put
    response = @conn.put("/people/1.xml")
    assert_equal 204, response.code
  end

def test_put_with_header
    response = @conn.put("/people/2.xml", @header)
    assert_equal 204, response.code
  end

def test_delete
    response = @conn.delete("/people/1.xml")
    assert_equal 200, response.code
  end

def test_delete_with_header
    response = @conn.delete("/people/2.xml", @header)
    assert_equal 200, response.code
  end

def test_timeout
    @http = mock('new Net::HTTP')
    @conn.expects(:http).returns(@http)
    @http.expects(:get).raises(Timeout::Error, 'execution expired')
    assert_raise(ActiveResource::TimeoutError) { @conn.get('/people_timeout.xml') }
  end

def test_setting_timeout
    http = Net::HTTP.new('')

[10, 20].each do |timeout|
      @conn.timeout = timeout
      @conn.send(:configure_http, http)
      assert_equal timeout, http.open_timeout
      assert_equal timeout, http.read_timeout
    end
  end

def test_accept_http_header
    @http = mock('new Net::HTTP')
    @conn.expects(:http).returns(@http)
    path = '/people/1.xml'
    @http.expects(:get).with(path,  {'Accept' => 'application/xhtml+xml'}).returns(ActiveResource::Response.new(@matz, 200, {'Content-Type' => 'text/xhtml'}))
    assert_nothing_raised(Mocha::ExpectationError) { @conn.get(path, {'Accept' => 'application/xhtml+xml'}) }
  end

def test_ssl_options_get_applied_to_http
    http = Net::HTTP.new('')
    @conn.site="https://secure"
    @conn.ssl_options={:verify_mode => OpenSSL::SSL::VERIFY_PEER}
    @conn.timeout = 10 # prevent warning about uninitialized.
    @conn.send(:configure_http, http)

assert http.use_ssl?
    assert_equal http.verify_mode, OpenSSL::SSL::VERIFY_PEER
  end

def test_ssl_error
    http = Net::HTTP.new('')
    @conn.expects(:http).returns(http)
    http.expects(:get).raises(OpenSSL::SSL::SSLError, 'Expired certificate')
    assert_raise(ActiveResource::SSLError) { @conn.get('/people/1.xml') }
  end

protected
    def assert_response_raises(klass, code)
      assert_raise(klass, "Expected response code #{code} to raise #{klass}") do
        handle_response ResponseCodeStub.new(code)
      end
    end

def handle_response(response)
      @conn.__send__(:handle_response, response)
    end
end

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