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module MonkeyPatches
extend self
NET_HTTP_SINGLETON = class << Net::HTTP; self; end
MONKEY_PATCHES = [
[Net::BufferedIO, :initialize],
[Net::HTTP, :request],
[Net::HTTP, :connect],
[NET_HTTP_SINGLETON, :socket_type]
]
def enable!(scope)
case scope
when :fakeweb
realias_all :with_fakeweb
enable!(:vcr) # fakeweb adapter relies upon VCR's Net::HTTP monkey patch
when :webmock
::WebMock::HttpLibAdapters::NetHttpAdapter.enable!
::WebMock::HttpLibAdapters::TyphoeusAdapter.enable! unless RUBY_INTERPRETER == :jruby
$original_webmock_callbacks.each do |cb|
::WebMock::CallbackRegistry.add_callback(cb[:options], cb[:block])
end
when :vcr
realias Net::HTTP, :request, :with_vcr
else raise ArgumentError.new("Unexpected scope: #{scope}")
end
end
def disable_all!
realias_all :without_monkeypatches
if defined?(::WebMock)
::WebMock::HttpLibAdapters::NetHttpAdapter.disable!
::WebMock::HttpLibAdapters::TyphoeusAdapter.disable! unless RUBY_INTERPRETER == :jruby
::WebMock::CallbackRegistry.reset
end
end
def init
# capture the monkey patched definitions so we can realias to them in the future
MONKEY_PATCHES.each do |mp|
capture_method_definition(mp.first, mp.last, false)
end
end
private
def capture_method_definition(klass, method, original)
klass.class_eval do
monkeypatch_methods = [:vcr, :fakeweb].select { |m| method_defined?(:"#{method}_with_#{m}") }
if original
if monkeypatch_methods.size > 0
raise "The following monkeypatch methods have already been defined #{method}: #{monkey_patch_methods.inspect}"
end
alias_name = :"#{method}_without_monkeypatches"
else
if monkeypatch_methods.size == 0
raise "No monkey patch methods have been defined for #{method}"
end
alias_name = :"#{method}_with_monkeypatches"
end
alias_method alias_name, method
end
end
# capture the original method definitions before the monkey patches have been defined
# so we can realias to the originals in the future
MONKEY_PATCHES.each do |mp|
capture_method_definition(mp.first, mp.last, true)
end
def realias(klass, method, alias_extension)
klass.class_eval do
old_verbose, $VERBOSE = $VERBOSE, nil
alias_method method, :"#{method}_#{alias_extension}"
$VERBOSE = old_verbose
end
end
def realias_all(alias_extension)
MONKEY_PATCHES.each do |mp|
realias mp.first, mp.last, alias_extension
end
end
end
# Require all the HTTP libraries--these must be required before WebMock
# for WebMock to work with them.
require 'httpclient'
if RUBY_INTERPRETER == :mri
require 'patron'
require 'em-http-request'
require 'curb'
require 'typhoeus'
end
require 'vcr/http_stubbing_adapters/fakeweb'
# All Net::HTTP monkey patches have now been loaded, so capture the
# appropriate method definitions so we can disable them later.
MonkeyPatches.init
# Disable FakeWeb/VCR Net::HTTP patches before WebMock
# subclasses Net::HTTP and inherits them...
MonkeyPatches.disable_all!
require 'vcr/http_stubbing_adapters/webmock'
$original_webmock_callbacks = ::WebMock::CallbackRegistry.callbacks
# disable all by default; we'll enable specific ones when we need them
MonkeyPatches.disable_all!
RSpec.configure do |config|
[:fakeweb, :webmock, :vcr].each do |scope|
config.before(:all, :with_monkey_patches => scope) { MonkeyPatches.enable!(scope) }
config.after(:all, :with_monkey_patches => scope) { MonkeyPatches.disable_all! }
end
end
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