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