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require 'spec_helper'
describe 'CycleAnalytics#issue', models: true do
let(:project) { create(:project) }
subject { CycleAnalytics.new }
context "when calculating the median of times between:
start: issue created_at
end: milestone first added to issue
OR
list-label first added to issue
" do
context "when a milestone is added to the issue" do
it "calculates the median of available durations" do
start_and_end_times = Array.new(5) do
start_time = Time.now
end_time = rand(1..10).days.from_now
milestone = create(:milestone, project: project)
issue = Timecop.freeze(start_time) { create(:issue, project: project) }
Timecop.freeze(end_time) { issue.update(milestone: milestone) }
[start_time, end_time]
end
median_start_time, median_end_time = start_and_end_times[2]
expect(subject.issue).to eq(median_end_time - median_start_time)
end
end
context "when a label is added to the issue" do
it "calculates the median of available durations when the label is a list-label" do
start_and_end_times = Array.new(5) do
start_time = Time.now
end_time = rand(1..10).days.from_now
list_label = create(:label, lists: [create(:list)])
issue = Timecop.freeze(start_time) { create(:issue, project: project) }
Timecop.freeze(end_time) { issue.update(label_ids: [list_label.id]) }
[start_time, end_time]
end
median_start_time, median_end_time = start_and_end_times[2]
expect(subject.issue).to eq(median_end_time - median_start_time)
end
it "does not make a calculation for regular labels" do
5.times do
start_time = Time.now
end_time = rand(1..10).days.from_now
regular_label = create(:label)
issue = Timecop.freeze(start_time) { create(:issue, project: project) }
Timecop.freeze(end_time) { issue.update(label_ids: [regular_label.id]) }
[start_time, end_time]
end
expect(subject.issue).to be_nil
end
end
context "when a milestone and list-label are both added to the issue" do
it "uses the time the milestone was added as the 'end time'" do
start_time = Time.now
milestone_add_time = rand(1..10).days.from_now
list_label_add_time = rand(1..10).days.from_now
milestone = create(:milestone, project: project)
list_label = create(:label, lists: [create(:list)])
issue = Timecop.freeze(start_time) { create(:issue, project: project) }
Timecop.freeze(milestone_add_time) { issue.update(milestone: milestone) }
Timecop.freeze(list_label_add_time) { issue.update(label_ids: [list_label.id]) }
expect(subject.issue).to eq(milestone_add_time - start_time)
end
end
end
end
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