aboutsummaryrefslogtreecommitdiffstats
path: root/activerecord/test/cases/helper.rb
blob: ebd4437a8765c5590e95c671577311ec30502449 (plain) (blame)
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
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
require "config"

require "active_support/testing/autorun"
require "active_support/testing/method_call_assertions"
require "stringio"

require "active_record"
require "cases/test_case"
require "active_support/dependencies"
require "active_support/logger"
require "active_support/core_ext/string/strip"

require "support/config"
require "support/connection"

# TODO: Move all these random hacks into the ARTest namespace and into the support/ dir

Thread.abort_on_exception = true

# Show backtraces for deprecated behavior for quicker cleanup.
ActiveSupport::Deprecation.debug = true

# Disable available locale checks to avoid warnings running the test suite.
I18n.enforce_available_locales = false

# Connect to the database
ARTest.connect

# Quote "type" if it's a reserved word for the current connection.
QUOTED_TYPE = ActiveRecord::Base.connection.quote_column_name("type")

# FIXME: Remove this when the deprecation cycle on TZ aware types by default ends.
ActiveRecord::Base.time_zone_aware_types << :time

def current_adapter?(*types)
  types.any? do |type|
    ActiveRecord::ConnectionAdapters.const_defined?(type) &&
      ActiveRecord::Base.connection.is_a?(ActiveRecord::ConnectionAdapters.const_get(type))
  end
end

def in_memory_db?
  current_adapter?(:SQLite3Adapter) &&
  ActiveRecord::Base.connection_pool.spec.config[:database] == ":memory:"
end

def subsecond_precision_supported?
  ActiveRecord::Base.connection.supports_datetime_with_precision?
end

def mysql_enforcing_gtid_consistency?
  current_adapter?(:Mysql2Adapter) && "ON" == ActiveRecord::Base.connection.show_variable("enforce_gtid_consistency")
end

def supports_savepoints?
  ActiveRecord::Base.connection.supports_savepoints?
end

def with_env_tz(new_tz = "US/Eastern")
  old_tz, ENV["TZ"] = ENV["TZ"], new_tz
  yield
ensure
  old_tz ? ENV["TZ"] = old_tz : ENV.delete("TZ")
end

def with_timezone_config(cfg)
  verify_default_timezone_config

  old_default_zone = ActiveRecord::Base.default_timezone
  old_awareness = ActiveRecord::Base.time_zone_aware_attributes
  old_zone = Time.zone

  if cfg.has_key?(:default)
    ActiveRecord::Base.default_timezone = cfg[:default]
  end
  if cfg.has_key?(:aware_attributes)
    ActiveRecord::Base.time_zone_aware_attributes = cfg[:aware_attributes]
  end
  if cfg.has_key?(:zone)
    Time.zone = cfg[:zone]
  end
  yield
ensure
  ActiveRecord::Base.default_timezone = old_default_zone
  ActiveRecord::Base.time_zone_aware_attributes = old_awareness
  Time.zone = old_zone
end

# This method makes sure that tests don't leak global state related to time zones.
EXPECTED_ZONE = nil
EXPECTED_DEFAULT_TIMEZONE = :utc
EXPECTED_TIME_ZONE_AWARE_ATTRIBUTES = false
def verify_default_timezone_config
  if Time.zone != EXPECTED_ZONE
    $stderr.puts <<-MSG
\n#{self}
    Global state `Time.zone` was leaked.
      Expected: #{EXPECTED_ZONE}
      Got: #{Time.zone}
    MSG
  end
  if ActiveRecord::Base.default_timezone != EXPECTED_DEFAULT_TIMEZONE
    $stderr.puts <<-MSG
\n#{self}
    Global state `ActiveRecord::Base.default_timezone` was leaked.
      Expected: #{EXPECTED_DEFAULT_TIMEZONE}
      Got: #{ActiveRecord::Base.default_timezone}
    MSG
  end
  if ActiveRecord::Base.time_zone_aware_attributes != EXPECTED_TIME_ZONE_AWARE_ATTRIBUTES
    $stderr.puts <<-MSG
\n#{self}
    Global state `ActiveRecord::Base.time_zone_aware_attributes` was leaked.
      Expected: #{EXPECTED_TIME_ZONE_AWARE_ATTRIBUTES}
      Got: #{ActiveRecord::Base.time_zone_aware_attributes}
    MSG
  end
end

def enable_extension!(extension, connection)
  return false unless connection.supports_extensions?
  return connection.reconnect! if connection.extension_enabled?(extension)

  connection.enable_extension extension
  connection.commit_db_transaction if connection.transaction_open?
  connection.reconnect!
end

def disable_extension!(extension, connection)
  return false unless connection.supports_extensions?
  return true unless connection.extension_enabled?(extension)

  connection.disable_extension extension
  connection.reconnect!
end

require "cases/validations_repair_helper"
class ActiveSupport::TestCase
  include ActiveRecord::TestFixtures
  include ActiveRecord::ValidationsRepairHelper
  include ActiveSupport::Testing::MethodCallAssertions

  self.fixture_path = FIXTURES_ROOT
  self.use_instantiated_fixtures  = false
  self.use_transactional_tests = true

  def create_fixtures(*fixture_set_names, &block)
    ActiveRecord::FixtureSet.create_fixtures(ActiveSupport::TestCase.fixture_path, fixture_set_names, fixture_class_names, &block)
  end
end

def load_schema
  # silence verbose schema loading
  original_stdout = $stdout
  $stdout = StringIO.new

  adapter_name = ActiveRecord::Base.connection.adapter_name.downcase
  adapter_specific_schema_file = SCHEMA_ROOT + "/#{adapter_name}_specific_schema.rb"

  load SCHEMA_ROOT + "/schema.rb"

  if File.exist?(adapter_specific_schema_file)
    load adapter_specific_schema_file
  end
ensure
  $stdout = original_stdout
end

load_schema

class SQLSubscriber
  attr_reader :logged
  attr_reader :payloads

  def initialize
    @logged = []
    @payloads = []
  end

  def start(name, id, payload)
    @payloads << payload
    @logged << [payload[:sql].squish, payload[:name], payload[:binds]]
  end

  def finish(name, id, payload); end
end

module InTimeZone
  private

    def in_time_zone(zone)
      old_zone  = Time.zone
      old_tz    = ActiveRecord::Base.time_zone_aware_attributes

      Time.zone = zone ? ActiveSupport::TimeZone[zone] : nil
      ActiveRecord::Base.time_zone_aware_attributes = !zone.nil?
      yield
    ensure
      Time.zone = old_zone
      ActiveRecord::Base.time_zone_aware_attributes = old_tz
    end
end

require "mocha/setup" # FIXME: stop using mocha