Commit 10fd3542 authored by Robert Speicher's avatar Robert Speicher

Merge branch '35441-fix-division-by-zero' into 'master'

Fix division by zero for blame age map

Closes #35441

See merge request !13803
parents 04f88742 0429ad80
......@@ -11,11 +11,15 @@ module BlameHelper
end
def age_map_class(commit_date, duration)
commit_date_days_ago = (duration[:now] - commit_date).to_i / 1.day
# Numbers 0 to 10 come from this calculation, but only commits on the oldest
# day get number 10 (all other numbers can be multiple days), so the range
# is normalized to 0-9
age_group = [(10 * commit_date_days_ago) / duration[:started_days_ago], 9].min
"blame-commit-age-#{age_group}"
if duration[:started_days_ago] == 0
"blame-commit-age-0"
else
commit_date_days_ago = (duration[:now] - commit_date).to_i / 1.day
# Numbers 0 to 10 come from this calculation, but only commits on the oldest
# day get number 10 (all other numbers can be multiple days), so the range
# is normalized to 0-9
age_group = [(10 * commit_date_days_ago) / duration[:started_days_ago], 9].min
"blame-commit-age-#{age_group}"
end
end
end
---
title: Fix division by zero error in blame age mapping
merge_request: 13803
author: Jeff Stubler
type: fixed
......@@ -35,25 +35,32 @@ describe BlameHelper do
end
describe '#age_map_class' do
let(:dates) do
[Time.zone.local(2014, 3, 17, 0, 0, 0)]
end
let(:blame_groups) do
[
{ commit: double(committed_date: dates[0]) }
]
end
let(:date) { Time.zone.local(2014, 3, 17, 0, 0, 0) }
let(:blame_groups) { [{ commit: double(committed_date: date) }] }
let(:duration) do
project = double(created_at: dates[0])
project = double(created_at: date)
helper.age_map_duration(blame_groups, project)
end
it 'returns blame-commit-age-9 when oldest' do
expect(helper.age_map_class(dates[0], duration)).to eq 'blame-commit-age-9'
expect(helper.age_map_class(date, duration)).to eq 'blame-commit-age-9'
end
it 'returns blame-commit-age-0 class when newest' do
expect(helper.age_map_class(duration[:now], duration)).to eq 'blame-commit-age-0'
end
context 'when called on the same day as project creation' do
let(:same_day_duration) do
project = double(created_at: now)
helper.age_map_duration(today_blame_groups, project)
end
let(:today_blame_groups) { [{ commit: double(committed_date: now) }] }
let(:now) { Time.zone.now }
it 'returns blame-commit-age-0 class' do
expect(helper.age_map_class(duration[:now], same_day_duration)).to eq 'blame-commit-age-0'
end
end
end
end
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