gitlab-org--gitlab-foss/spec/services/cohorts_service_spec.rb

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require 'spec_helper'
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describe CohortsService do
describe '#execute' do
def month_start(months_ago)
months_ago.months.ago.beginning_of_month.to_date
end
# In the interests of speed and clarity, this example has minimal data.
it 'returns a list of user cohorts' do
6.times do |months_ago|
months_ago_time = (months_ago * 2).months.ago
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create(:user, created_at: months_ago_time, last_activity_on: Time.now)
create(:user, created_at: months_ago_time, last_activity_on: months_ago_time)
end
create(:user) # this user is inactive and belongs to the current month
expected_cohorts = [
{
registration_month: month_start(11),
activity_months: Array.new(12) { { total: 0, percentage: 0 } },
total: 0,
inactive: 0
},
{
registration_month: month_start(10),
activity_months: [{ total: 2, percentage: 100 }] + Array.new(10) { { total: 1, percentage: 50 } },
total: 2,
inactive: 0
},
{
registration_month: month_start(9),
activity_months: Array.new(10) { { total: 0, percentage: 0 } },
total: 0,
inactive: 0
},
{
registration_month: month_start(8),
activity_months: [{ total: 2, percentage: 100 }] + Array.new(8) { { total: 1, percentage: 50 } },
total: 2,
inactive: 0
},
{
registration_month: month_start(7),
activity_months: Array.new(8) { { total: 0, percentage: 0 } },
total: 0,
inactive: 0
},
{
registration_month: month_start(6),
activity_months: [{ total: 2, percentage: 100 }] + Array.new(6) { { total: 1, percentage: 50 } },
total: 2,
inactive: 0
},
{
registration_month: month_start(5),
activity_months: Array.new(6) { { total: 0, percentage: 0 } },
total: 0,
inactive: 0
},
{
registration_month: month_start(4),
activity_months: [{ total: 2, percentage: 100 }] + Array.new(4) { { total: 1, percentage: 50 } },
total: 2,
inactive: 0
},
{
registration_month: month_start(3),
activity_months: Array.new(4) { { total: 0, percentage: 0 } },
total: 0,
inactive: 0
},
{
registration_month: month_start(2),
activity_months: [{ total: 2, percentage: 100 }] + Array.new(2) { { total: 1, percentage: 50 } },
total: 2,
inactive: 0
},
{
registration_month: month_start(1),
activity_months: Array.new(2) { { total: 0, percentage: 0 } },
total: 0,
inactive: 0
},
{
registration_month: month_start(0),
activity_months: [{ total: 2, percentage: 100 }],
total: 2,
inactive: 1
}
]
expect(described_class.new.execute).to eq(months_included: 12,
cohorts: expected_cohorts)
end
end
end