blob: 2e3656b52fb5a02436e3228ed6841dceb5af63bb (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
|
require 'spec_helper'
describe Gitlab::ExclusiveLeaseHelpers, :clean_gitlab_redis_shared_state do
include ::ExclusiveLeaseHelpers
let(:class_instance) { (Class.new { include ::Gitlab::ExclusiveLeaseHelpers }).new }
let(:unique_key) { SecureRandom.hex(10) }
describe '#in_lock' do
subject { class_instance.in_lock(unique_key, **options) { } }
let(:options) { {} }
context 'when the lease is not obtained yet' do
before do
stub_exclusive_lease(unique_key, 'uuid')
end
it 'calls the given block' do
expect { |b| class_instance.in_lock(unique_key, &b) }.to yield_control.once
end
it 'calls the given block continuously' do
expect { |b| class_instance.in_lock(unique_key, &b) }.to yield_control.once
expect { |b| class_instance.in_lock(unique_key, &b) }.to yield_control.once
expect { |b| class_instance.in_lock(unique_key, &b) }.to yield_control.once
end
it 'cancels the exclusive lease after the block' do
expect_to_cancel_exclusive_lease(unique_key, 'uuid')
subject
end
end
context 'when the lease is obtained already' do
let!(:lease) { stub_exclusive_lease_taken(unique_key) }
it 'retries to obtain a lease and raises an error' do
expect(lease).to receive(:try_obtain).exactly(11).times
expect { subject }.to raise_error('Failed to obtain a lock')
end
context 'when ttl is specified' do
let(:options) { { ttl: 10.minutes } }
it 'receives the specified argument' do
expect(Gitlab::ExclusiveLease).to receive(:new).with(unique_key, { timeout: 10.minutes } )
expect { subject }.to raise_error('Failed to obtain a lock')
end
end
context 'when retry count is specified' do
let(:options) { { retries: 3 } }
it 'retries for the specified times' do
expect(lease).to receive(:try_obtain).exactly(4).times
expect { subject }.to raise_error('Failed to obtain a lock')
end
end
context 'when sleep second is specified' do
let(:options) { { retries: 0, sleep_sec: 0.05.seconds } }
it 'receives the specified argument' do
expect(class_instance).to receive(:sleep).with(0.05.seconds).once
expect { subject }.to raise_error('Failed to obtain a lock')
end
end
end
end
end
|