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require 'redis'
require 'rollout'
require 'flipper/adapters/rollout'
RSpec.describe Flipper::Adapters::Rollout do
let(:redis) { Redis.new }
let(:rollout) { Rollout.new(redis) }
let(:source_adapter) { described_class.new(rollout) }
let(:source_flipper) { Flipper.new(source_adapter) }
let(:destination_adapter) { Flipper::Adapters::Memory.new }
let(:destination_flipper) { Flipper.new(destination_adapter) }
before do
begin
redis.flushdb
rescue Redis::CannotConnectError
ENV['CI'] ? raise : skip('Redis not available')
end
end
describe '#name' do
it 'has name that is a symbol' do
expect(source_adapter.name).not_to be_nil
expect(source_adapter.name).to be_instance_of(Symbol)
end
end
describe '#get' do
it 'returns hash of gate data' do
rollout.activate_user(:chat, Struct.new(:id).new(1))
rollout.activate_percentage(:chat, 20)
rollout.activate_group(:chat, :admins)
feature = source_flipper[:chat]
expected = {
boolean: nil,
groups: Set.new([:admins]),
actors: Set.new(["1"]),
percentage_of_actors: 20.0,
percentage_of_time: nil,
}
expect(source_adapter.get(feature)).to eq(expected)
end
it 'returns fully flipper enabled for fully rollout activated' do
rollout.activate(:chat)
feature = source_flipper[:chat]
expected = {
boolean: true,
groups: Set.new,
actors: Set.new,
percentage_of_actors: nil,
percentage_of_time: nil,
}
expect(source_adapter.get(feature)).to eq(expected)
end
it 'returns fully flipper enabled for fully rollout activated with user/group' do
rollout.activate_user(:chat, Struct.new(:id).new(1))
rollout.activate_group(:chat, :admins)
rollout.activate(:chat)
feature = source_flipper[:chat]
expected = {
boolean: true,
groups: Set.new,
actors: Set.new,
percentage_of_actors: nil,
percentage_of_time: nil,
}
expect(source_adapter.get(feature)).to eq(expected)
end
it 'returns default hash of gate data for feature not existing in rollout' do
feature = source_flipper[:chat]
expect(source_adapter.get(feature)).to eq(source_adapter.default_config)
end
end
describe '#features' do
it 'returns all feature keys' do
rollout.activate(:chat)
rollout.activate(:messaging)
rollout.activate(:push_notifications)
expect(source_adapter.features).to match_array([:chat, :messaging, :push_notifications])
end
end
it 'can have one feature imported' do
rollout.activate(:search)
destination_flipper.import(source_flipper)
expect(destination_flipper.features.map(&:key)).to eq(["search"])
end
it 'can have multiple features imported' do
rollout.activate(:yep)
rollout.activate_group(:preview_features, :developers)
rollout.activate_group(:preview_features, :marketers)
rollout.activate_group(:preview_features, :company)
rollout.activate_group(:preview_features, :early_access)
rollout.activate_user(:preview_features, Struct.new(:id).new(1))
rollout.activate_user(:preview_features, Struct.new(:id).new(2))
rollout.activate_user(:preview_features, Struct.new(:id).new(3))
rollout.activate_percentage(:issues_next, 25)
destination_flipper.import(source_flipper)
feature = destination_flipper[:yep]
expect(feature.boolean_value).to eq(true)
feature = destination_flipper[:preview_features]
expect(feature.boolean_value).to be(false)
expect(feature.actors_value).to eq(Set['1', '2', '3'])
expected_groups = Set['developers', 'marketers', 'company', 'early_access']
expect(feature.groups_value).to eq(expected_groups)
expect(feature.percentage_of_actors_value).to be(0)
feature = destination_flipper[:issues_next]
expect(feature.boolean_value).to eq(false)
expect(feature.actors_value).to eq(Set.new)
expect(feature.groups_value).to eq(Set.new)
expect(feature.percentage_of_actors_value).to be(25)
feature = destination_flipper[:verbose_logging]
expect(feature.boolean_value).to eq(false)
expect(feature.actors_value).to eq(Set.new)
expect(feature.groups_value).to eq(Set.new)
expect(feature.percentage_of_actors_value).to be(0)
end
describe 'unsupported methods' do
it 'raises on add' do
expect { source_adapter.add(:feature) }
.to raise_error(Flipper::Adapters::Rollout::AdapterMethodNotSupportedError)
end
it 'raises on remove' do
expect { source_adapter.remove(:feature) }
.to raise_error(Flipper::Adapters::Rollout::AdapterMethodNotSupportedError)
end
it 'raises on clear' do
expect { source_adapter.clear(:feature) }
.to raise_error(Flipper::Adapters::Rollout::AdapterMethodNotSupportedError)
end
it 'raises on enable' do
expect { source_adapter.enable(:feature, :gate, :thing) }
.to raise_error(Flipper::Adapters::Rollout::AdapterMethodNotSupportedError)
end
it 'raises on disable' do
expect { source_adapter.disable(:feature, :gate, :thing) }
.to raise_error(Flipper::Adapters::Rollout::AdapterMethodNotSupportedError)
end
it 'raises on import' do
expect { source_adapter.import(:source_adapter) }
.to raise_error(Flipper::Adapters::Rollout::AdapterMethodNotSupportedError)
end
end
end
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