Sha256: d63f39fc5d3469ed29fda51bd9b2a9f69b198257d7be69b79ef2f32b5a9475c1
Contents?: true
Size: 1.5 KB
Versions: 10
Compression:
Stored size: 1.5 KB
Contents
module GovukAbTesting
class RequestedVariant
attr_reader :ab_test, :request_headers
# @param ab_test [AbTest] the A/B test being performed
# @param request_headers [ActionDispatch::Http::Headers] the
# `request.headers` in the controller.
# @param dimension [Integer] the dimension registered with Google Analytics
# for this specific A/B test
def initialize(ab_test, request_headers, dimension)
@ab_test = ab_test
@request_headers = request_headers
@dimension = dimension
end
# Get the bucket this user is in
#
# @return [String] the current variant, "A" or "B"
def variant_name
request_headers[ab_test.request_header] == "B" ? "B" : "A"
end
# @return [Boolean] if the user is to be served variant A
def variant_a?
variant_name == "A"
end
# @return [Boolean] if the user is to be served variant B
def variant_b?
variant_name == "B"
end
# Configure the response
#
# @param [ApplicationController::Response] the `response` in the controller
def configure_response(response)
response.headers['Vary'] = [response.headers['Vary'], ab_test.response_header].compact.join(', ')
end
# HTML meta tag used to track the results of your experiment
#
# @return [String]
def analytics_meta_tag
'<meta name="govuk:ab-test" ' +
'content="' + ab_test.meta_tag_name + ':' + variant_name + '" ' +
'data-analytics-dimension="' + @dimension.to_s + '">'
end
end
end
Version data entries
10 entries across 10 versions & 1 rubygems