blob: b26bb8fbe415d867796af5804a89dd79ee972b0c (
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
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
|
# frozen_string_literal: true
require 'spec_helper'
RSpec.describe Gitlab::Database::Migrations::Observers::TransactionDuration do
subject(:transaction_duration_observer) { described_class.new(observation, directory_path, connection) }
let(:connection) { ActiveRecord::Migration.connection }
let(:observation) { Gitlab::Database::Migrations::Observation.new(migration_version, migration_name) }
let(:directory_path) { Dir.mktmpdir }
let(:log_file) { "#{directory_path}/#{migration_version}_#{migration_name}-transaction-duration.json" }
let(:transaction_duration) { Gitlab::Json.parse(File.read(log_file)) }
let(:migration_version) { 20210422152437 }
let(:migration_name) { 'test' }
after do
FileUtils.remove_entry(directory_path)
end
it 'records real and sub transactions duration', :delete do
observe
entry = transaction_duration[0]
start_time, end_time, transaction_type = entry.values_at('start_time', 'end_time', 'transaction_type')
start_time = DateTime.parse(start_time)
end_time = DateTime.parse(end_time)
aggregate_failures do
expect(transaction_duration.size).to eq(3)
expect(start_time).to be_before(end_time)
expect(transaction_type).not_to be_nil
end
end
context 'when there are sub-transactions' do
it 'records transaction duration' do
observe_sub_transaction
expect(transaction_duration.size).to eq(1)
entry = transaction_duration[0]['transaction_type']
expect(entry).to eql 'sub_transaction'
end
end
context 'when there are real-transactions' do
it 'records transaction duration', :delete do
observe_real_transaction
expect(transaction_duration.size).to eq(1)
entry = transaction_duration[0]['transaction_type']
expect(entry).to eql 'real_transaction'
end
end
private
def observe
transaction_duration_observer.before
run_transaction
transaction_duration_observer.after
transaction_duration_observer.record
end
def observe_sub_transaction
transaction_duration_observer.before
run_sub_transactions
transaction_duration_observer.after
transaction_duration_observer.record
end
def observe_real_transaction
transaction_duration_observer.before
run_real_transactions
transaction_duration_observer.after
transaction_duration_observer.record
end
def run_real_transactions
ApplicationRecord.transaction do
end
end
def run_sub_transactions
ApplicationRecord.transaction(requires_new: true) do
end
end
def run_transaction
ApplicationRecord.connection_pool.with_connection do |connection|
Gitlab::Database::SharedModel.using_connection(connection) do
Gitlab::Database::SharedModel.transaction do
Gitlab::Database::SharedModel.transaction(requires_new: true) do
Gitlab::Database::SharedModel.transaction do
Gitlab::Database::SharedModel.transaction do
Gitlab::Database::SharedModel.transaction(requires_new: true) do
end
end
end
end
end
end
end
end
end
|
