lib/webmock/stub_registry.rb
# frozen_string_literal: true
module WebMock
class StubRegistry
include Singleton
attr_accessor :request_stubs
def initialize
reset!
end
def global_stubs
@global_stubs ||= Hash.new { |h, k| h[k] = [] }
end
def reset!
self.request_stubs = []
end
def register_global_stub(order = :before_local_stubs, &block)
unless %i[before_local_stubs after_local_stubs].include?(order)
raise ArgumentError.new("Wrong order. Use :before_local_stubs or :after_local_stubs")
end
# This hash contains the responses returned by the block,
# keyed by the exact request (using the object_id).
# That way, there's no race condition in case #to_return
# doesn't run immediately after stub.with.
responses = {}
response_lock = Mutex.new
stub = ::WebMock::RequestStub.new(:any, ->(uri) { true }).with { |request|
update_response = -> { responses[request.object_id] = yield(request) }
# The block can recurse, so only lock if we don't already own it
if response_lock.owned?
update_response.call
else
response_lock.synchronize(&update_response)
end
}.to_return(lambda { |request|
response_lock.synchronize { responses.delete(request.object_id) }
})
global_stubs[order].push stub
end
def register_request_stub(stub)
request_stubs.insert(0, stub)
stub
end
def remove_request_stub(stub)
if not request_stubs.delete(stub)
raise "Request stub \n\n #{stub.to_s} \n\n is not registered."
end
end
def registered_request?(request_signature)
request_stub_for(request_signature)
end
def response_for_request(request_signature)
stub = request_stub_for(request_signature)
stub ? evaluate_response_for_request(stub.response, request_signature) : nil
end
private
def request_stub_for(request_signature)
(global_stubs[:before_local_stubs] + request_stubs + global_stubs[:after_local_stubs])
.detect { |registered_request_stub|
registered_request_stub.request_pattern.matches?(request_signature)
}
end
def evaluate_response_for_request(response, request_signature)
response.dup.evaluate(request_signature)
end
end
end