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
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
|
# frozen_string_literal: true
require 'spec_helper'
RSpec.describe RateLimitedService do
let(:key) { :issues_create }
let(:scope) { [:container, :current_user] }
let(:opts) { { scope: scope, users_allowlist: -> { [User.support_bot.username] } } }
let(:rate_limiter) { ::Gitlab::ApplicationRateLimiter }
describe 'RateLimitedError' do
subject { described_class::RateLimitedError.new(key: key, rate_limiter: rate_limiter) }
describe '#headers' do
it 'returns a Hash of HTTP headers' do
# TODO: This will be fleshed out in https://gitlab.com/gitlab-org/gitlab/-/issues/342370
expected_headers = {}
expect(subject.headers).to eq(expected_headers)
end
end
describe '#log_request' do
it 'logs the request' do
request = instance_double(Grape::Request)
user = instance_double(User)
expect(rate_limiter).to receive(:log_request).with(request, "#{key}_request_limit".to_sym, user)
subject.log_request(request, user)
end
end
end
describe 'RateLimiterScopedAndKeyed' do
subject { described_class::RateLimiterScopedAndKeyed.new(key: key, opts: opts, rate_limiter: rate_limiter) }
describe '#rate_limit!' do
let_it_be(:project) { create(:project) }
let_it_be(:current_user) { create(:user) }
let(:service) { instance_double(Issues::CreateService, container: project, current_user: current_user) }
let(:evaluated_scope) { [project, current_user] }
let(:evaluated_opts) { { scope: evaluated_scope, users_allowlist: %w[support-bot] } }
context 'when rate limiting is not in effect' do
let(:throttled) { false }
it 'does not raise an exception' do
expect(subject.rate_limit!(service)).to be_nil
end
end
context 'when rate limiting is in effect' do
before do
allow(rate_limiter).to receive(:throttled?).and_return(true)
end
it 'raises a RateLimitedError exception' do
expect { subject.rate_limit!(service) }.to raise_error(described_class::RateLimitedError, 'This endpoint has been requested too many times. Try again later.')
end
end
end
end
describe '#execute_without_rate_limiting' do
let(:rate_limiter_scoped_and_keyed) { instance_double(RateLimitedService::RateLimiterScopedAndKeyed) }
let(:subject) do
local_key = key
local_opts = opts
Class.new do
prepend RateLimitedService
rate_limit key: local_key, opts: local_opts
def execute(*args, **kwargs)
'main logic here'
end
end.new
end
before do
allow(RateLimitedService::RateLimiterScopedAndKeyed).to receive(:new).with(key: key, opts: opts, rate_limiter: rate_limiter).and_return(rate_limiter_scoped_and_keyed)
end
context 'bypasses rate limiting' do
it 'calls super' do
expect(rate_limiter_scoped_and_keyed).not_to receive(:rate_limit!).with(subject)
expect(subject.execute_without_rate_limiting).to eq('main logic here')
end
end
end
describe '#execute' do
context 'when rate_limit has not been called' do
let(:subject) { Class.new { prepend RateLimitedService }.new }
it 'raises an RateLimitedNotSetupError exception' do
expect { subject.execute }.to raise_error(described_class::RateLimitedNotSetupError)
end
end
context 'when rate_limit has been called' do
let(:rate_limiter_scoped_and_keyed) { instance_double(RateLimitedService::RateLimiterScopedAndKeyed) }
let(:subject) do
local_key = key
local_opts = opts
Class.new do
prepend RateLimitedService
rate_limit key: local_key, opts: local_opts
def execute(*args, **kwargs)
'main logic here'
end
end.new
end
before do
allow(RateLimitedService::RateLimiterScopedAndKeyed).to receive(:new).with(key: key, opts: opts, rate_limiter: rate_limiter).and_return(rate_limiter_scoped_and_keyed)
end
context 'and applies rate limiting' do
it 'raises an RateLimitedService::RateLimitedError exception' do
expect(rate_limiter_scoped_and_keyed).to receive(:rate_limit!).with(subject).and_raise(RateLimitedService::RateLimitedError.new(key: key, rate_limiter: rate_limiter))
expect { subject.execute }.to raise_error(RateLimitedService::RateLimitedError)
end
end
context 'but does not apply rate limiting' do
it 'calls super' do
expect(rate_limiter_scoped_and_keyed).to receive(:rate_limit!).with(subject).and_return(nil)
expect(subject.execute).to eq('main logic here')
end
end
end
end
end
|