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require 'vcr/util/version_checker'
require 'vcr/request_handler'
require 'typhoeus'
if Float(Typhoeus::VERSION[/^\d+\.\d+/]) < 0.5
require 'vcr/library_hooks/typhoeus_0.4'
else
VCR::VersionChecker.new('Typhoeus', Typhoeus::VERSION, '0.5.0').check_version!
module VCR
class LibraryHooks
# @private
module Typhoeus
# @private
class RequestHandler < ::VCR::RequestHandler
attr_reader :request
def initialize(request)
@request = request
request.block_connection = false if VCR.turned_on?
end
def vcr_request
@vcr_request ||= VCR::Request.new \
request.options.fetch(:method, :get),
request.url,
request_body,
request.options.fetch(:headers, {})
end
private
def externally_stubbed?
::Typhoeus::Expectation.find_by(request)
end
def set_typed_request_for_after_hook(*args)
super
request.instance_variable_set(:@__typed_vcr_request, @after_hook_typed_request)
end
def on_unhandled_request
invoke_after_request_hook(nil)
super
end
def on_stubbed_by_vcr_request
response = ::Typhoeus::Response.new \
:http_version => stubbed_response.http_version,
:code => stubbed_response.status.code,
:status_message => stubbed_response.status.message,
:headers => stubbed_response_headers,
:body => stubbed_response.body,
:effective_url => stubbed_response.adapter_metadata.fetch('effective_url', request.url),
:mock => true
first_header_line = "HTTP/#{stubbed_response.http_version} #{response.code} #{response.status_message}\r\n"
response.instance_variable_set(:@first_header_line, first_header_line)
response.instance_variable_get(:@options)[:response_headers] =
first_header_line + response.headers.map { |k,v| "#{k}: #{v}"}.join("\r\n")
response
end
def stubbed_response_headers
@stubbed_response_headers ||= {}.tap do |hash|
stubbed_response.headers.each do |key, values|
hash[key] = values.size == 1 ? values.first : values
end if stubbed_response.headers
end
end
if ::Typhoeus::Request.method_defined?(:encoded_body)
def request_body
request.encoded_body
end
else
def request_body
request.options.fetch(:body, "")
end
end
end
# @private
class << self
def vcr_response_from(response)
VCR::Response.new \
VCR::ResponseStatus.new(response.code, response.status_message),
response.headers,
response.body,
response.http_version,
{ "effective_url" => response.effective_url }
end
def collect_chunks(request)
chunks = ''
request.on_body.unshift(
Proc.new do |body, response|
chunks += body
request.instance_variable_set(:@chunked_body, chunks)
end
)
end
def restore_body_from_chunks(response, request)
response.options[:response_body] = request.instance_variable_get(:@chunked_body)
end
end
::Typhoeus.on_complete do |response|
request = response.request
restore_body_from_chunks(response, request) if request.streaming?
unless VCR.library_hooks.disabled?(:typhoeus)
vcr_response = vcr_response_from(response)
typed_vcr_request = request.send(:remove_instance_variable, :@__typed_vcr_request)
unless request.response.mock
http_interaction = VCR::HTTPInteraction.new(typed_vcr_request, vcr_response)
VCR.record_http_interaction(http_interaction)
end
VCR.configuration.invoke_hook(:after_http_request, typed_vcr_request, vcr_response)
end
end
::Typhoeus.before do |request|
collect_chunks(request) if request.streaming?
if response = VCR::LibraryHooks::Typhoeus::RequestHandler.new(request).handle
request.on_headers.each { |cb| cb.call(response) }
request.on_body.each { |cb| cb.call(response.body, response) }
request.finish(response)
else
true
end
end
end
end
end
end
VCR.configuration.after_library_hooks_loaded do
# ensure WebMock's Typhoeus adapter does not conflict with us here
# (i.e. to double record requests or whatever).
if defined?(WebMock::HttpLibAdapters::TyphoeusAdapter)
WebMock::HttpLibAdapters::TyphoeusAdapter.disable!
end
end
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