Commit 49cb79c7 authored by Andreas Brandl's avatar Andreas Brandl

Add spec for concurrent insert situation.

parent 211223ef
......@@ -38,6 +38,19 @@ describe InternalId do
expect(subject).to eq(project.issues.size + 1)
end
end
context 'with concurrent inserts on table' do
it 'looks up the record if it was created concurrently' do
args = { **scope, usage: described_class.usages[usage.to_s] }
record = double
expect(described_class).to receive(:find_by).with(args).and_return(nil) # first call, record not present
expect(described_class).to receive(:find_by).with(args).and_return(record) # second call, record was created by another process
expect(described_class).to receive(:create!).and_raise(ActiveRecord::RecordNotUnique, 'record not unique')
expect(record).to receive(:increment_and_save!)
subject
end
end
end
it 'generates a strictly monotone, gapless sequence' do
......
Markdown is supported
0%
or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment