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
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
|
require "cases/helper"
require 'support/connection_helper'
class Mysql2ConnectionTest < ActiveRecord::Mysql2TestCase
include ConnectionHelper
fixtures :comments
def setup
super
@subscriber = SQLSubscriber.new
@subscription = ActiveSupport::Notifications.subscribe('sql.active_record', @subscriber)
@connection = ActiveRecord::Base.connection
end
def teardown
ActiveSupport::Notifications.unsubscribe(@subscription)
super
end
def test_bad_connection
assert_raise ActiveRecord::NoDatabaseError do
configuration = ActiveRecord::Base.configurations['arunit'].merge(database: 'inexistent_activerecord_unittest')
connection = ActiveRecord::Base.mysql2_connection(configuration)
connection.drop_table 'ex', if_exists: true
end
end
def test_truncate
rows = ActiveRecord::Base.connection.exec_query("select count(*) from comments")
count = rows.first.values.first
assert_operator count, :>, 0
ActiveRecord::Base.connection.truncate("comments")
rows = ActiveRecord::Base.connection.exec_query("select count(*) from comments")
count = rows.first.values.first
assert_equal 0, count
end
def test_no_automatic_reconnection_after_timeout
assert @connection.active?
@connection.update('set @@wait_timeout=1')
sleep 2
assert !@connection.active?
# Repair all fixture connections so other tests won't break.
@fixture_connections.each(&:verify!)
end
def test_successful_reconnection_after_timeout_with_manual_reconnect
assert @connection.active?
@connection.update('set @@wait_timeout=1')
sleep 2
@connection.reconnect!
assert @connection.active?
end
def test_successful_reconnection_after_timeout_with_verify
assert @connection.active?
@connection.update('set @@wait_timeout=1')
sleep 2
@connection.verify!
assert @connection.active?
end
def test_mysql_connection_collation_is_configured
assert_equal 'utf8_unicode_ci', @connection.show_variable('collation_connection')
assert_equal 'utf8_general_ci', ARUnit2Model.connection.show_variable('collation_connection')
end
def test_mysql_default_in_strict_mode
result = @connection.exec_query "SELECT @@SESSION.sql_mode"
assert_equal [["STRICT_ALL_TABLES"]], result.rows
end
def test_mysql_strict_mode_disabled
run_without_connection do |orig_connection|
ActiveRecord::Base.establish_connection(orig_connection.merge({:strict => false}))
result = ActiveRecord::Base.connection.exec_query "SELECT @@SESSION.sql_mode"
assert_equal [['']], result.rows
end
end
def test_passing_arbitary_flags_to_adapter
run_without_connection do |orig_connection|
ActiveRecord::Base.establish_connection(orig_connection.merge({flags: Mysql2::Client::COMPRESS}))
assert_equal (Mysql2::Client::COMPRESS | Mysql2::Client::FOUND_ROWS), ActiveRecord::Base.connection.raw_connection.query_options[:flags]
end
end
def test_passing_flags_by_array_to_adapter
run_without_connection do |orig_connection|
ActiveRecord::Base.establish_connection(orig_connection.merge({flags: ['COMPRESS'] }))
assert_equal ["COMPRESS", "FOUND_ROWS"], ActiveRecord::Base.connection.raw_connection.query_options[:flags]
end
end
def test_mysql_strict_mode_specified_default
run_without_connection do |orig_connection|
ActiveRecord::Base.establish_connection(orig_connection.merge({strict: :default}))
global_sql_mode = ActiveRecord::Base.connection.exec_query "SELECT @@GLOBAL.sql_mode"
session_sql_mode = ActiveRecord::Base.connection.exec_query "SELECT @@SESSION.sql_mode"
assert_equal global_sql_mode.rows, session_sql_mode.rows
end
end
def test_mysql_set_session_variable
run_without_connection do |orig_connection|
ActiveRecord::Base.establish_connection(orig_connection.deep_merge({:variables => {:default_week_format => 3}}))
session_mode = ActiveRecord::Base.connection.exec_query "SELECT @@SESSION.DEFAULT_WEEK_FORMAT"
assert_equal 3, session_mode.rows.first.first.to_i
end
end
def test_mysql_sql_mode_variable_overrides_strict_mode
run_without_connection do |orig_connection|
ActiveRecord::Base.establish_connection(orig_connection.deep_merge(variables: { 'sql_mode' => 'ansi' }))
result = ActiveRecord::Base.connection.exec_query 'SELECT @@SESSION.sql_mode'
assert_not_equal [['STRICT_ALL_TABLES']], result.rows
end
end
def test_mysql_set_session_variable_to_default
run_without_connection do |orig_connection|
ActiveRecord::Base.establish_connection(orig_connection.deep_merge({:variables => {:default_week_format => :default}}))
global_mode = ActiveRecord::Base.connection.exec_query "SELECT @@GLOBAL.DEFAULT_WEEK_FORMAT"
session_mode = ActiveRecord::Base.connection.exec_query "SELECT @@SESSION.DEFAULT_WEEK_FORMAT"
assert_equal global_mode.rows, session_mode.rows
end
end
def test_logs_name_show_variable
@connection.show_variable 'foo'
assert_equal "SCHEMA", @subscriber.logged[0][1]
end
def test_logs_name_rename_column_sql
@connection.execute "CREATE TABLE `bar_baz` (`foo` varchar(255))"
@subscriber.logged.clear
@connection.send(:rename_column_sql, 'bar_baz', 'foo', 'foo2')
assert_equal "SCHEMA", @subscriber.logged[0][1]
ensure
@connection.execute "DROP TABLE `bar_baz`"
end
def test_get_and_release_advisory_lock
lock_name = "test_lock_name"
got_lock = @connection.get_advisory_lock(lock_name)
assert got_lock, "get_advisory_lock should have returned true but it didn't"
assert_equal test_lock_free(lock_name), false,
"expected the test advisory lock to be held but it wasn't"
released_lock = @connection.release_advisory_lock(lock_name)
assert released_lock, "expected release_advisory_lock to return true but it didn't"
assert test_lock_free(lock_name), 'expected the test lock to be available after releasing'
end
def test_release_non_existent_advisory_lock
lock_name = "fake_lock_name"
released_non_existent_lock = @connection.release_advisory_lock(lock_name)
assert_equal released_non_existent_lock, false,
'expected release_advisory_lock to return false when there was no lock to release'
end
protected
def test_lock_free(lock_name)
@connection.select_value("SELECT IS_FREE_LOCK('#{lock_name}');") == 1
end
end
|
