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Contents
RSpec.describe Flipper::Gates::PercentageOfTime do
let(:feature_name) { :search }
subject do
described_class.new
end
def context(percentage_of_time_value, feature = feature_name, thing = nil)
Flipper::FeatureCheckContext.new(
feature_name: feature,
values: Flipper::GateValues.new(percentage_of_time: percentage_of_time_value),
thing: thing || Flipper::Types::Actor.new(Flipper::Actor.new(1))
)
end
describe '#open?' do
context 'for fractional percentage' do
let(:decimal) { 0.001 }
let(:percentage) { decimal * 100 }
let(:number_of_invocations) { 10_000 }
subject { described_class.new }
it 'enables feature for accurate percentage of time' do
margin_of_error = 0.02 * number_of_invocations
expected_open_count = number_of_invocations * decimal
open_count = (1..number_of_invocations).select do |_actor|
context = context(percentage, :feature, Flipper::Actor.new("1"))
subject.open?(context)
end.size
expect(open_count).to be_within(margin_of_error).of(expected_open_count)
end
end
end
end
Version data entries
16 entries across 16 versions & 1 rubygems