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require 'spec_helper'
RSpec.describe 'Rollout::Logging' do
let(:rollout) { Rollout.new(Redis.current, logging: logging) }
let(:logging) { true }
let(:feature) { :foo }
it 'logs changes' do
expect(rollout.logging.last_event(feature)).to be_nil
rollout.activate_percentage(feature, 50)
expect(rollout.logging.updated_at(feature)).to_not be_nil
first_event = rollout.logging.last_event(feature)
expect(first_event.name).to eq 'update'
expect(first_event.data).to eq(before: { percentage: 0 }, after: { percentage: 50 })
rollout.activate_percentage(feature, 75)
second_event = rollout.logging.last_event(feature)
expect(second_event.name).to eq 'update'
expect(second_event.data).to eq(before: { percentage: 50 }, after: { percentage: 75 })
rollout.activate_group(feature, :hipsters)
third_event = rollout.logging.last_event(feature)
expect(third_event.name).to eq 'update'
expect(third_event.data).to eq(before: { groups: [] }, after: { groups: ['hipsters'] })
expect(rollout.logging.events(feature)).to eq [first_event, second_event, third_event]
end
context 'logging data changes' do
it 'logs changes' do
expect(rollout.logging.last_event(feature)).to be_nil
rollout.set_feature_data(feature, description: "foo")
event = rollout.logging.last_event(feature)
expect(event).not_to be_nil
expect(event.name).to eq 'update'
expect(event.data).to eq(before: { "data.description": nil }, after: { "data.description": "foo" })
end
end
context 'no logging' do
let(:logging) { nil }
it 'doesnt even respond to logging' do
expect(rollout).not_to respond_to :logging
end
end
context 'history truncation' do
let(:logging) { { history_length: 1 } }
it 'logs changes' do
expect(rollout.logging.last_event(feature)).to be_nil
rollout.activate_percentage(feature, 25)
first_event = rollout.logging.last_event(feature)
expect(first_event.name).to eq 'update'
expect(first_event.data).to eq(before: { percentage: 0 }, after: { percentage: 25 })
rollout.activate_percentage(feature, 30)
second_event = rollout.logging.last_event(feature)
expect(second_event.name).to eq 'update'
expect(second_event.data).to eq(before: { percentage: 25 }, after: { percentage: 30 })
expect(rollout.logging.events(feature)).to eq [second_event]
end
end
context 'with context' do
let(:current_user) { double(nickname: 'lester') }
it 'adds context to the event' do
rollout.logging.with_context(actor: current_user.nickname) do
rollout.activate_percentage(feature, 25)
end
event = rollout.logging.last_event(feature)
expect(event.name).to eq 'update'
expect(event.data).to eq(before: { percentage: 0 }, after: { percentage: 25 })
expect(event.context).to eq(actor: current_user.nickname)
end
end
context 'global logs' do
let(:logging) { { global: true } }
let(:feature_foo) { 'foo' }
let(:feature_bar) { 'bar' }
it 'logs changes' do
expect(rollout.logging.last_event(feature_foo)).to be_nil
rollout.activate_percentage(feature_foo, 25)
event_foo = rollout.logging.last_event(feature_foo)
expect(event_foo.feature).to eq feature_foo
expect(event_foo.name).to eq 'update'
expect(event_foo.data).to eq(before: { percentage: 0 }, after: { percentage: 25 })
expect(rollout.logging.events(feature_foo)).to eq [event_foo]
rollout.activate_percentage(feature_bar, 30)
event_bar = rollout.logging.last_event(feature_bar)
expect(event_bar.feature).to eq feature_bar
expect(event_bar.name).to eq 'update'
expect(event_bar.data).to eq(before: { percentage: 0 }, after: { percentage: 30 })
expect(rollout.logging.events(feature_bar)).to eq [event_bar]
expect(rollout.logging.global_events).to eq [event_foo, event_bar]
end
end
context 'no logging for block' do
it 'doesnt log' do
rollout.logging.without do
rollout.activate_percentage(feature, 25)
end
event = rollout.logging.last_event(feature)
expect(event).to be_nil
end
end
end
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