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-rw-r--r--activerecord/test/cases/adapters/mysql2/active_schema_test.rb195
-rw-r--r--activerecord/test/cases/adapters/mysql2/auto_increment_test.rb34
-rw-r--r--activerecord/test/cases/adapters/mysql2/bind_parameter_test.rb52
-rw-r--r--activerecord/test/cases/adapters/mysql2/boolean_test.rb102
-rw-r--r--activerecord/test/cases/adapters/mysql2/case_sensitivity_test.rb65
-rw-r--r--activerecord/test/cases/adapters/mysql2/charset_collation_test.rb56
-rw-r--r--activerecord/test/cases/adapters/mysql2/connection_test.rb213
-rw-r--r--activerecord/test/cases/adapters/mysql2/datetime_precision_quoting_test.rb54
-rw-r--r--activerecord/test/cases/adapters/mysql2/enum_test.rb23
-rw-r--r--activerecord/test/cases/adapters/mysql2/explain_test.rb23
-rw-r--r--activerecord/test/cases/adapters/mysql2/json_test.rb24
-rw-r--r--activerecord/test/cases/adapters/mysql2/mysql2_adapter_test.rb77
-rw-r--r--activerecord/test/cases/adapters/mysql2/schema_migrations_test.rb65
-rw-r--r--activerecord/test/cases/adapters/mysql2/schema_test.rb128
-rw-r--r--activerecord/test/cases/adapters/mysql2/sp_test.rb38
-rw-r--r--activerecord/test/cases/adapters/mysql2/sql_types_test.rb16
-rw-r--r--activerecord/test/cases/adapters/mysql2/table_options_test.rb119
-rw-r--r--activerecord/test/cases/adapters/mysql2/transaction_test.rb149
-rw-r--r--activerecord/test/cases/adapters/mysql2/unsigned_type_test.rb68
-rw-r--r--activerecord/test/cases/adapters/mysql2/virtual_column_test.rb61
20 files changed, 1562 insertions, 0 deletions
diff --git a/activerecord/test/cases/adapters/mysql2/active_schema_test.rb b/activerecord/test/cases/adapters/mysql2/active_schema_test.rb
new file mode 100644
index 0000000000..9ae2c42368
--- /dev/null
+++ b/activerecord/test/cases/adapters/mysql2/active_schema_test.rb
@@ -0,0 +1,195 @@
+# frozen_string_literal: true
+
+require "cases/helper"
+require "support/connection_helper"
+
+class Mysql2ActiveSchemaTest < ActiveRecord::Mysql2TestCase
+ include ConnectionHelper
+
+ def setup
+ ActiveRecord::Base.connection.singleton_class.class_eval do
+ alias_method :execute_without_stub, :execute
+ def execute(sql, name = nil) sql end
+ end
+ end
+
+ teardown do
+ reset_connection
+ end
+
+ def test_add_index
+ # add_index calls data_source_exists? and index_name_exists? which can't work since execute is stubbed
+ def (ActiveRecord::Base.connection).data_source_exists?(*); true; end
+ def (ActiveRecord::Base.connection).index_name_exists?(*); false; end
+
+ expected = "CREATE INDEX `index_people_on_last_name` ON `people` (`last_name`) "
+ assert_equal expected, add_index(:people, :last_name, length: nil)
+
+ expected = "CREATE INDEX `index_people_on_last_name` ON `people` (`last_name`(10)) "
+ assert_equal expected, add_index(:people, :last_name, length: 10)
+
+ expected = "CREATE INDEX `index_people_on_last_name_and_first_name` ON `people` (`last_name`(15), `first_name`(15)) "
+ assert_equal expected, add_index(:people, [:last_name, :first_name], length: 15)
+ assert_equal expected, add_index(:people, ["last_name", "first_name"], length: 15)
+
+ expected = "CREATE INDEX `index_people_on_last_name_and_first_name` ON `people` (`last_name`(15), `first_name`) "
+ assert_equal expected, add_index(:people, [:last_name, :first_name], length: { last_name: 15 })
+ assert_equal expected, add_index(:people, ["last_name", "first_name"], length: { last_name: 15 })
+
+ expected = "CREATE INDEX `index_people_on_last_name_and_first_name` ON `people` (`last_name`(15), `first_name`(10)) "
+ assert_equal expected, add_index(:people, [:last_name, :first_name], length: { last_name: 15, first_name: 10 })
+ assert_equal expected, add_index(:people, ["last_name", :first_name], length: { last_name: 15, "first_name" => 10 })
+
+ %w(SPATIAL FULLTEXT UNIQUE).each do |type|
+ expected = "CREATE #{type} INDEX `index_people_on_last_name` ON `people` (`last_name`) "
+ assert_equal expected, add_index(:people, :last_name, type: type)
+ end
+
+ %w(btree hash).each do |using|
+ expected = "CREATE INDEX `index_people_on_last_name` USING #{using} ON `people` (`last_name`) "
+ assert_equal expected, add_index(:people, :last_name, using: using)
+ end
+
+ expected = "CREATE INDEX `index_people_on_last_name` USING btree ON `people` (`last_name`(10)) "
+ assert_equal expected, add_index(:people, :last_name, length: 10, using: :btree)
+
+ expected = "CREATE INDEX `index_people_on_last_name` USING btree ON `people` (`last_name`(10)) ALGORITHM = COPY"
+ assert_equal expected, add_index(:people, :last_name, length: 10, using: :btree, algorithm: :copy)
+
+ assert_raise ArgumentError do
+ add_index(:people, :last_name, algorithm: :coyp)
+ end
+
+ expected = "CREATE INDEX `index_people_on_last_name_and_first_name` USING btree ON `people` (`last_name`(15), `first_name`(15)) "
+ assert_equal expected, add_index(:people, [:last_name, :first_name], length: 15, using: :btree)
+ end
+
+ def test_index_in_create
+ def (ActiveRecord::Base.connection).data_source_exists?(*); false; end
+
+ %w(SPATIAL FULLTEXT UNIQUE).each do |type|
+ expected = "CREATE TABLE `people` (#{type} INDEX `index_people_on_last_name` (`last_name`))"
+ actual = ActiveRecord::Base.connection.create_table(:people, id: false) do |t|
+ t.index :last_name, type: type
+ end
+ assert_equal expected, actual
+ end
+
+ expected = "CREATE TABLE `people` ( INDEX `index_people_on_last_name` USING btree (`last_name`(10)))"
+ actual = ActiveRecord::Base.connection.create_table(:people, id: false) do |t|
+ t.index :last_name, length: 10, using: :btree
+ end
+ assert_equal expected, actual
+ end
+
+ def test_index_in_bulk_change
+ def (ActiveRecord::Base.connection).data_source_exists?(*); true; end
+ def (ActiveRecord::Base.connection).index_name_exists?(*); false; end
+
+ %w(SPATIAL FULLTEXT UNIQUE).each do |type|
+ expected = "ALTER TABLE `people` ADD #{type} INDEX `index_people_on_last_name` (`last_name`)"
+ actual = ActiveRecord::Base.connection.change_table(:people, bulk: true) do |t|
+ t.index :last_name, type: type
+ end
+ assert_equal expected, actual
+ end
+
+ expected = "ALTER TABLE `people` ADD INDEX `index_people_on_last_name` USING btree (`last_name`(10)), ALGORITHM = COPY"
+ actual = ActiveRecord::Base.connection.change_table(:people, bulk: true) do |t|
+ t.index :last_name, length: 10, using: :btree, algorithm: :copy
+ end
+ assert_equal expected, actual
+ end
+
+ def test_drop_table
+ assert_equal "DROP TABLE `people`", drop_table(:people)
+ end
+
+ def test_create_mysql_database_with_encoding
+ assert_equal "CREATE DATABASE `matt` DEFAULT CHARACTER SET `utf8`", create_database(:matt)
+ assert_equal "CREATE DATABASE `aimonetti` DEFAULT CHARACTER SET `latin1`", create_database(:aimonetti, charset: "latin1")
+ assert_equal "CREATE DATABASE `matt_aimonetti` DEFAULT COLLATE `utf8mb4_bin`", create_database(:matt_aimonetti, collation: "utf8mb4_bin")
+ end
+
+ def test_recreate_mysql_database_with_encoding
+ create_database(:luca, charset: "latin1")
+ assert_equal "CREATE DATABASE `luca` DEFAULT CHARACTER SET `latin1`", recreate_database(:luca, charset: "latin1")
+ end
+
+ def test_add_column
+ assert_equal "ALTER TABLE `people` ADD `last_name` varchar(255)", add_column(:people, :last_name, :string)
+ end
+
+ def test_add_column_with_limit
+ assert_equal "ALTER TABLE `people` ADD `key` varchar(32)", add_column(:people, :key, :string, limit: 32)
+ end
+
+ def test_drop_table_with_specific_database
+ assert_equal "DROP TABLE `otherdb`.`people`", drop_table("otherdb.people")
+ end
+
+ def test_add_timestamps
+ with_real_execute do
+ begin
+ ActiveRecord::Base.connection.create_table :delete_me
+ ActiveRecord::Base.connection.add_timestamps :delete_me, null: true
+ assert column_present?("delete_me", "updated_at", "datetime")
+ assert column_present?("delete_me", "created_at", "datetime")
+ ensure
+ ActiveRecord::Base.connection.drop_table :delete_me rescue nil
+ end
+ end
+ end
+
+ def test_remove_timestamps
+ with_real_execute do
+ begin
+ ActiveRecord::Base.connection.create_table :delete_me do |t|
+ t.timestamps null: true
+ end
+ ActiveRecord::Base.connection.remove_timestamps :delete_me, null: true
+ assert !column_present?("delete_me", "updated_at", "datetime")
+ assert !column_present?("delete_me", "created_at", "datetime")
+ ensure
+ ActiveRecord::Base.connection.drop_table :delete_me rescue nil
+ end
+ end
+ end
+
+ def test_indexes_in_create
+ ActiveRecord::Base.connection.stubs(:data_source_exists?).with(:temp).returns(false)
+ ActiveRecord::Base.connection.stubs(:index_name_exists?).with(:index_temp_on_zip).returns(false)
+
+ expected = "CREATE TEMPORARY TABLE `temp` ( INDEX `index_temp_on_zip` (`zip`)) AS SELECT id, name, zip FROM a_really_complicated_query"
+ actual = ActiveRecord::Base.connection.create_table(:temp, temporary: true, as: "SELECT id, name, zip FROM a_really_complicated_query") do |t|
+ t.index :zip
+ end
+
+ assert_equal expected, actual
+ end
+
+ private
+ def with_real_execute
+ ActiveRecord::Base.connection.singleton_class.class_eval do
+ alias_method :execute_with_stub, :execute
+ remove_method :execute
+ alias_method :execute, :execute_without_stub
+ end
+
+ yield
+ ensure
+ ActiveRecord::Base.connection.singleton_class.class_eval do
+ remove_method :execute
+ alias_method :execute, :execute_with_stub
+ end
+ end
+
+ def method_missing(method_symbol, *arguments)
+ ActiveRecord::Base.connection.send(method_symbol, *arguments)
+ end
+
+ def column_present?(table_name, column_name, type)
+ results = ActiveRecord::Base.connection.select_all("SHOW FIELDS FROM #{table_name} LIKE '#{column_name}'")
+ results.first && results.first["Type"] == type
+ end
+end
diff --git a/activerecord/test/cases/adapters/mysql2/auto_increment_test.rb b/activerecord/test/cases/adapters/mysql2/auto_increment_test.rb
new file mode 100644
index 0000000000..4c67633946
--- /dev/null
+++ b/activerecord/test/cases/adapters/mysql2/auto_increment_test.rb
@@ -0,0 +1,34 @@
+# frozen_string_literal: true
+
+require "cases/helper"
+require "support/schema_dumping_helper"
+
+class Mysql2AutoIncrementTest < ActiveRecord::Mysql2TestCase
+ include SchemaDumpingHelper
+
+ def setup
+ @connection = ActiveRecord::Base.connection
+ end
+
+ def teardown
+ @connection.drop_table :auto_increments, if_exists: true
+ end
+
+ def test_auto_increment_without_primary_key
+ @connection.create_table :auto_increments, id: false, force: true do |t|
+ t.integer :id, null: false, auto_increment: true
+ t.index :id
+ end
+ output = dump_table_schema("auto_increments")
+ assert_match(/t\.integer\s+"id",\s+null: false,\s+auto_increment: true$/, output)
+ end
+
+ def test_auto_increment_with_composite_primary_key
+ @connection.create_table :auto_increments, primary_key: [:id, :created_at], force: true do |t|
+ t.integer :id, null: false, auto_increment: true
+ t.datetime :created_at, null: false
+ end
+ output = dump_table_schema("auto_increments")
+ assert_match(/t\.integer\s+"id",\s+null: false,\s+auto_increment: true$/, output)
+ end
+end
diff --git a/activerecord/test/cases/adapters/mysql2/bind_parameter_test.rb b/activerecord/test/cases/adapters/mysql2/bind_parameter_test.rb
new file mode 100644
index 0000000000..825bddfb73
--- /dev/null
+++ b/activerecord/test/cases/adapters/mysql2/bind_parameter_test.rb
@@ -0,0 +1,52 @@
+# frozen_string_literal: true
+
+require "cases/helper"
+require "models/topic"
+
+module ActiveRecord
+ module ConnectionAdapters
+ class Mysql2Adapter
+ class BindParameterTest < ActiveRecord::Mysql2TestCase
+ fixtures :topics
+
+ def test_update_question_marks
+ str = "foo?bar"
+ x = Topic.first
+ x.title = str
+ x.content = str
+ x.save!
+ x.reload
+ assert_equal str, x.title
+ assert_equal str, x.content
+ end
+
+ def test_create_question_marks
+ str = "foo?bar"
+ x = Topic.create!(title: str, content: str)
+ x.reload
+ assert_equal str, x.title
+ assert_equal str, x.content
+ end
+
+ def test_update_null_bytes
+ str = "foo\0bar"
+ x = Topic.first
+ x.title = str
+ x.content = str
+ x.save!
+ x.reload
+ assert_equal str, x.title
+ assert_equal str, x.content
+ end
+
+ def test_create_null_bytes
+ str = "foo\0bar"
+ x = Topic.create!(title: str, content: str)
+ x.reload
+ assert_equal str, x.title
+ assert_equal str, x.content
+ end
+ end
+ end
+ end
+end
diff --git a/activerecord/test/cases/adapters/mysql2/boolean_test.rb b/activerecord/test/cases/adapters/mysql2/boolean_test.rb
new file mode 100644
index 0000000000..db09b30361
--- /dev/null
+++ b/activerecord/test/cases/adapters/mysql2/boolean_test.rb
@@ -0,0 +1,102 @@
+# frozen_string_literal: true
+
+require "cases/helper"
+
+class Mysql2BooleanTest < ActiveRecord::Mysql2TestCase
+ self.use_transactional_tests = false
+
+ class BooleanType < ActiveRecord::Base
+ self.table_name = "mysql_booleans"
+ end
+
+ setup do
+ @connection = ActiveRecord::Base.connection
+ @connection.clear_cache!
+ @connection.create_table("mysql_booleans") do |t|
+ t.boolean "archived"
+ t.string "published", limit: 1
+ end
+ BooleanType.reset_column_information
+
+ @emulate_booleans = ActiveRecord::ConnectionAdapters::Mysql2Adapter.emulate_booleans
+ end
+
+ teardown do
+ emulate_booleans @emulate_booleans
+ @connection.drop_table "mysql_booleans"
+ end
+
+ test "column type with emulated booleans" do
+ emulate_booleans true
+
+ assert_equal :boolean, boolean_column.type
+ assert_equal :string, string_column.type
+ end
+
+ test "column type without emulated booleans" do
+ emulate_booleans false
+
+ assert_equal :integer, boolean_column.type
+ assert_equal :string, string_column.type
+ end
+
+ test "type casting with emulated booleans" do
+ emulate_booleans true
+
+ boolean = BooleanType.create!(archived: true, published: true)
+ attributes = boolean.reload.attributes_before_type_cast
+ assert_equal 1, attributes["archived"]
+ assert_equal "1", attributes["published"]
+
+ boolean = BooleanType.create!(archived: false, published: false)
+ attributes = boolean.reload.attributes_before_type_cast
+ assert_equal 0, attributes["archived"]
+ assert_equal "0", attributes["published"]
+
+ assert_equal 1, @connection.type_cast(true)
+ assert_equal 0, @connection.type_cast(false)
+ end
+
+ test "type casting without emulated booleans" do
+ emulate_booleans false
+
+ boolean = BooleanType.create!(archived: true, published: true)
+ attributes = boolean.reload.attributes_before_type_cast
+ assert_equal 1, attributes["archived"]
+ assert_equal "1", attributes["published"]
+
+ boolean = BooleanType.create!(archived: false, published: false)
+ attributes = boolean.reload.attributes_before_type_cast
+ assert_equal 0, attributes["archived"]
+ assert_equal "0", attributes["published"]
+
+ assert_equal 1, @connection.type_cast(true)
+ assert_equal 0, @connection.type_cast(false)
+ end
+
+ test "with booleans stored as 1 and 0" do
+ @connection.execute "INSERT INTO mysql_booleans(archived, published) VALUES(1, '1')"
+ boolean = BooleanType.first
+ assert_equal true, boolean.archived
+ assert_equal "1", boolean.published
+ end
+
+ test "with booleans stored as t" do
+ @connection.execute "INSERT INTO mysql_booleans(published) VALUES('t')"
+ boolean = BooleanType.first
+ assert_equal "t", boolean.published
+ end
+
+ def boolean_column
+ BooleanType.columns.find { |c| c.name == "archived" }
+ end
+
+ def string_column
+ BooleanType.columns.find { |c| c.name == "published" }
+ end
+
+ def emulate_booleans(value)
+ ActiveRecord::ConnectionAdapters::Mysql2Adapter.emulate_booleans = value
+ BooleanType.reset_column_information
+ end
+end
diff --git a/activerecord/test/cases/adapters/mysql2/case_sensitivity_test.rb b/activerecord/test/cases/adapters/mysql2/case_sensitivity_test.rb
new file mode 100644
index 0000000000..aa870349be
--- /dev/null
+++ b/activerecord/test/cases/adapters/mysql2/case_sensitivity_test.rb
@@ -0,0 +1,65 @@
+# frozen_string_literal: true
+
+require "cases/helper"
+
+class Mysql2CaseSensitivityTest < ActiveRecord::Mysql2TestCase
+ class CollationTest < ActiveRecord::Base
+ end
+
+ repair_validations(CollationTest)
+
+ def test_columns_include_collation_different_from_table
+ assert_equal "utf8_bin", CollationTest.columns_hash["string_cs_column"].collation
+ assert_equal "utf8_general_ci", CollationTest.columns_hash["string_ci_column"].collation
+ end
+
+ def test_case_sensitive
+ assert_not_predicate CollationTest.columns_hash["string_ci_column"], :case_sensitive?
+ assert_predicate CollationTest.columns_hash["string_cs_column"], :case_sensitive?
+ end
+
+ def test_case_insensitive_comparison_for_ci_column
+ CollationTest.validates_uniqueness_of(:string_ci_column, case_sensitive: false)
+ CollationTest.create!(string_ci_column: "A")
+ invalid = CollationTest.new(string_ci_column: "a")
+ queries = assert_sql { invalid.save }
+ ci_uniqueness_query = queries.detect { |q| q.match(/string_ci_column/) }
+ assert_no_match(/lower/i, ci_uniqueness_query)
+ end
+
+ def test_case_insensitive_comparison_for_cs_column
+ CollationTest.validates_uniqueness_of(:string_cs_column, case_sensitive: false)
+ CollationTest.create!(string_cs_column: "A")
+ invalid = CollationTest.new(string_cs_column: "a")
+ queries = assert_sql { invalid.save }
+ cs_uniqueness_query = queries.detect { |q| q.match(/string_cs_column/) }
+ assert_match(/lower/i, cs_uniqueness_query)
+ end
+
+ def test_case_sensitive_comparison_for_ci_column
+ CollationTest.validates_uniqueness_of(:string_ci_column, case_sensitive: true)
+ CollationTest.create!(string_ci_column: "A")
+ invalid = CollationTest.new(string_ci_column: "A")
+ queries = assert_sql { invalid.save }
+ ci_uniqueness_query = queries.detect { |q| q.match(/string_ci_column/) }
+ assert_match(/binary/i, ci_uniqueness_query)
+ end
+
+ def test_case_sensitive_comparison_for_cs_column
+ CollationTest.validates_uniqueness_of(:string_cs_column, case_sensitive: true)
+ CollationTest.create!(string_cs_column: "A")
+ invalid = CollationTest.new(string_cs_column: "A")
+ queries = assert_sql { invalid.save }
+ cs_uniqueness_query = queries.detect { |q| q.match(/string_cs_column/) }
+ assert_no_match(/binary/i, cs_uniqueness_query)
+ end
+
+ def test_case_sensitive_comparison_for_binary_column
+ CollationTest.validates_uniqueness_of(:binary_column, case_sensitive: true)
+ CollationTest.create!(binary_column: "A")
+ invalid = CollationTest.new(binary_column: "A")
+ queries = assert_sql { invalid.save }
+ bin_uniqueness_query = queries.detect { |q| q.match(/binary_column/) }
+ assert_no_match(/\bBINARY\b/, bin_uniqueness_query)
+ end
+end
diff --git a/activerecord/test/cases/adapters/mysql2/charset_collation_test.rb b/activerecord/test/cases/adapters/mysql2/charset_collation_test.rb
new file mode 100644
index 0000000000..d0c57de65d
--- /dev/null
+++ b/activerecord/test/cases/adapters/mysql2/charset_collation_test.rb
@@ -0,0 +1,56 @@
+# frozen_string_literal: true
+
+require "cases/helper"
+require "support/schema_dumping_helper"
+
+class Mysql2CharsetCollationTest < ActiveRecord::Mysql2TestCase
+ include SchemaDumpingHelper
+ self.use_transactional_tests = false
+
+ setup do
+ @connection = ActiveRecord::Base.connection
+ @connection.create_table :charset_collations, force: true do |t|
+ t.string :string_ascii_bin, charset: "ascii", collation: "ascii_bin"
+ t.text :text_ucs2_unicode_ci, charset: "ucs2", collation: "ucs2_unicode_ci"
+ end
+ end
+
+ teardown do
+ @connection.drop_table :charset_collations, if_exists: true
+ end
+
+ test "string column with charset and collation" do
+ column = @connection.columns(:charset_collations).find { |c| c.name == "string_ascii_bin" }
+ assert_equal :string, column.type
+ assert_equal "ascii_bin", column.collation
+ end
+
+ test "text column with charset and collation" do
+ column = @connection.columns(:charset_collations).find { |c| c.name == "text_ucs2_unicode_ci" }
+ assert_equal :text, column.type
+ assert_equal "ucs2_unicode_ci", column.collation
+ end
+
+ test "add column with charset and collation" do
+ @connection.add_column :charset_collations, :title, :string, charset: "utf8", collation: "utf8_bin"
+
+ column = @connection.columns(:charset_collations).find { |c| c.name == "title" }
+ assert_equal :string, column.type
+ assert_equal "utf8_bin", column.collation
+ end
+
+ test "change column with charset and collation" do
+ @connection.add_column :charset_collations, :description, :string, charset: "utf8", collation: "utf8_unicode_ci"
+ @connection.change_column :charset_collations, :description, :text, charset: "utf8", collation: "utf8_general_ci"
+
+ column = @connection.columns(:charset_collations).find { |c| c.name == "description" }
+ assert_equal :text, column.type
+ assert_equal "utf8_general_ci", column.collation
+ end
+
+ test "schema dump includes collation" do
+ output = dump_table_schema("charset_collations")
+ assert_match %r{t\.string\s+"string_ascii_bin",\s+collation: "ascii_bin"$}, output
+ assert_match %r{t\.text\s+"text_ucs2_unicode_ci",\s+collation: "ucs2_unicode_ci"$}, output
+ end
+end
diff --git a/activerecord/test/cases/adapters/mysql2/connection_test.rb b/activerecord/test/cases/adapters/mysql2/connection_test.rb
new file mode 100644
index 0000000000..726f58d58e
--- /dev/null
+++ b/activerecord/test/cases/adapters/mysql2/connection_test.rb
@@ -0,0 +1,213 @@
+# frozen_string_literal: true
+
+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_predicate @connection, :active?
+ @connection.update("set @@wait_timeout=1")
+ sleep 2
+ assert_not_predicate @connection, :active?
+ ensure
+ # 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_predicate @connection, :active?
+ @connection.update("set @@wait_timeout=1")
+ sleep 2
+ @connection.reconnect!
+ assert_predicate @connection, :active?
+ end
+
+ def test_successful_reconnection_after_timeout_with_verify
+ assert_predicate @connection, :active?
+ @connection.update("set @@wait_timeout=1")
+ sleep 2
+ @connection.verify!
+ assert_predicate @connection, :active?
+ end
+
+ def test_execute_after_disconnect
+ @connection.disconnect!
+
+ error = assert_raise(ActiveRecord::StatementInvalid) do
+ @connection.execute("SELECT 1")
+ end
+ assert_kind_of Mysql2::Error, error.cause
+ end
+
+ def test_quote_after_disconnect
+ @connection.disconnect!
+
+ assert_raise(Mysql2::Error) do
+ @connection.quote("string")
+ end
+ end
+
+ def test_active_after_disconnect
+ @connection.disconnect!
+ assert_equal false, @connection.active?
+ end
+
+ def test_wait_timeout_as_string
+ run_without_connection do |orig_connection|
+ ActiveRecord::Base.establish_connection(orig_connection.merge(wait_timeout: "60"))
+ result = ActiveRecord::Base.connection.select_value("SELECT @@SESSION.wait_timeout")
+ assert_equal 60, result
+ end
+ end
+
+ def test_wait_timeout_as_url
+ run_without_connection do |orig_connection|
+ ActiveRecord::Base.establish_connection(orig_connection.merge("url" => "mysql2:///?wait_timeout=60"))
+ result = ActiveRecord::Base.connection.select_value("SELECT @@SESSION.wait_timeout")
+ assert_equal 60, result
+ end
+ 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.select_value("SELECT @@SESSION.sql_mode")
+ assert_match %r(STRICT_ALL_TABLES), result
+ 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.select_value("SELECT @@SESSION.sql_mode")
+ assert_no_match %r(STRICT_ALL_TABLES), result
+ 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.select_value("SELECT @@GLOBAL.sql_mode")
+ session_sql_mode = ActiveRecord::Base.connection.select_value("SELECT @@SESSION.sql_mode")
+ assert_equal global_sql_mode, session_sql_mode
+ 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.select_value("SELECT @@SESSION.sql_mode")
+ assert_no_match %r(STRICT_ALL_TABLES), result
+ end
+ end
+
+ def test_passing_arbitrary_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_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_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_for_alter
+ @connection.execute "CREATE TABLE `bar_baz` (`foo` varchar(255))"
+ @subscriber.logged.clear
+ @connection.send(:rename_column_for_alter, "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'n'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'n'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
+
+ private
+
+ def test_lock_free(lock_name)
+ @connection.select_value("SELECT IS_FREE_LOCK(#{@connection.quote(lock_name)})") == 1
+ end
+end
diff --git a/activerecord/test/cases/adapters/mysql2/datetime_precision_quoting_test.rb b/activerecord/test/cases/adapters/mysql2/datetime_precision_quoting_test.rb
new file mode 100644
index 0000000000..fa54f39992
--- /dev/null
+++ b/activerecord/test/cases/adapters/mysql2/datetime_precision_quoting_test.rb
@@ -0,0 +1,54 @@
+# frozen_string_literal: true
+
+require "cases/helper"
+
+class Mysql2DatetimePrecisionQuotingTest < ActiveRecord::Mysql2TestCase
+ setup do
+ @connection = ActiveRecord::Base.connection
+ end
+
+ test "microsecond precision for MySQL gte 5.6.4" do
+ stub_version "5.6.4" do
+ assert_microsecond_precision
+ end
+ end
+
+ test "no microsecond precision for MySQL lt 5.6.4" do
+ stub_version "5.6.3" do
+ assert_no_microsecond_precision
+ end
+ end
+
+ test "microsecond precision for MariaDB gte 5.3.0" do
+ stub_version "5.5.5-10.1.8-MariaDB-log" do
+ assert_microsecond_precision
+ end
+ end
+
+ test "no microsecond precision for MariaDB lt 5.3.0" do
+ stub_version "5.2.9-MariaDB" do
+ assert_no_microsecond_precision
+ end
+ end
+
+ private
+ def assert_microsecond_precision
+ assert_match_quoted_microsecond_datetime(/\.000001\z/)
+ end
+
+ def assert_no_microsecond_precision
+ assert_match_quoted_microsecond_datetime(/\d\z/)
+ end
+
+ def assert_match_quoted_microsecond_datetime(match)
+ assert_match match, @connection.quoted_date(Time.now.change(usec: 1))
+ end
+
+ def stub_version(full_version_string)
+ @connection.stubs(:full_version).returns(full_version_string)
+ @connection.remove_instance_variable(:@version) if @connection.instance_variable_defined?(:@version)
+ yield
+ ensure
+ @connection.remove_instance_variable(:@version) if @connection.instance_variable_defined?(:@version)
+ end
+end
diff --git a/activerecord/test/cases/adapters/mysql2/enum_test.rb b/activerecord/test/cases/adapters/mysql2/enum_test.rb
new file mode 100644
index 0000000000..832f5d61d1
--- /dev/null
+++ b/activerecord/test/cases/adapters/mysql2/enum_test.rb
@@ -0,0 +1,23 @@
+# frozen_string_literal: true
+
+require "cases/helper"
+
+class Mysql2EnumTest < ActiveRecord::Mysql2TestCase
+ class EnumTest < ActiveRecord::Base
+ end
+
+ def test_enum_limit
+ column = EnumTest.columns_hash["enum_column"]
+ assert_equal 8, column.limit
+ end
+
+ def test_should_not_be_unsigned
+ column = EnumTest.columns_hash["enum_column"]
+ assert_not_predicate column, :unsigned?
+ end
+
+ def test_should_not_be_bigint
+ column = EnumTest.columns_hash["enum_column"]
+ assert_not_predicate column, :bigint?
+ end
+end
diff --git a/activerecord/test/cases/adapters/mysql2/explain_test.rb b/activerecord/test/cases/adapters/mysql2/explain_test.rb
new file mode 100644
index 0000000000..b8e778f0b0
--- /dev/null
+++ b/activerecord/test/cases/adapters/mysql2/explain_test.rb
@@ -0,0 +1,23 @@
+# frozen_string_literal: true
+
+require "cases/helper"
+require "models/author"
+require "models/post"
+
+class Mysql2ExplainTest < ActiveRecord::Mysql2TestCase
+ fixtures :authors
+
+ def test_explain_for_one_query
+ explain = Author.where(id: 1).explain
+ assert_match %(EXPLAIN for: SELECT `authors`.* FROM `authors` WHERE `authors`.`id` = 1), explain
+ assert_match %r(authors |.* const), explain
+ end
+
+ def test_explain_with_eager_loading
+ explain = Author.where(id: 1).includes(:posts).explain
+ assert_match %(EXPLAIN for: SELECT `authors`.* FROM `authors` WHERE `authors`.`id` = 1), explain
+ assert_match %r(authors |.* const), explain
+ assert_match %(EXPLAIN for: SELECT `posts`.* FROM `posts` WHERE `posts`.`author_id` = 1), explain
+ assert_match %r(posts |.* ALL), explain
+ end
+end
diff --git a/activerecord/test/cases/adapters/mysql2/json_test.rb b/activerecord/test/cases/adapters/mysql2/json_test.rb
new file mode 100644
index 0000000000..de78ba91f5
--- /dev/null
+++ b/activerecord/test/cases/adapters/mysql2/json_test.rb
@@ -0,0 +1,24 @@
+# frozen_string_literal: true
+
+require "cases/helper"
+require "cases/json_shared_test_cases"
+
+if ActiveRecord::Base.connection.supports_json?
+ class Mysql2JSONTest < ActiveRecord::Mysql2TestCase
+ include JSONSharedTestCases
+ self.use_transactional_tests = false
+
+ def setup
+ super
+ @connection.create_table("json_data_type") do |t|
+ t.json "payload"
+ t.json "settings"
+ end
+ end
+
+ private
+ def column_type
+ :json
+ end
+ end
+end
diff --git a/activerecord/test/cases/adapters/mysql2/mysql2_adapter_test.rb b/activerecord/test/cases/adapters/mysql2/mysql2_adapter_test.rb
new file mode 100644
index 0000000000..d18fb97e05
--- /dev/null
+++ b/activerecord/test/cases/adapters/mysql2/mysql2_adapter_test.rb
@@ -0,0 +1,77 @@
+# frozen_string_literal: true
+
+require "cases/helper"
+require "support/ddl_helper"
+
+class Mysql2AdapterTest < ActiveRecord::Mysql2TestCase
+ include DdlHelper
+
+ def setup
+ @conn = ActiveRecord::Base.connection
+ end
+
+ def test_exec_query_nothing_raises_with_no_result_queries
+ assert_nothing_raised do
+ with_example_table do
+ @conn.exec_query("INSERT INTO ex (number) VALUES (1)")
+ @conn.exec_query("DELETE FROM ex WHERE number = 1")
+ end
+ end
+ end
+
+ def test_columns_for_distinct_zero_orders
+ assert_equal "posts.id",
+ @conn.columns_for_distinct("posts.id", [])
+ end
+
+ def test_columns_for_distinct_one_order
+ assert_equal "posts.id, posts.created_at AS alias_0",
+ @conn.columns_for_distinct("posts.id", ["posts.created_at desc"])
+ end
+
+ def test_columns_for_distinct_few_orders
+ assert_equal "posts.id, posts.created_at AS alias_0, posts.position AS alias_1",
+ @conn.columns_for_distinct("posts.id", ["posts.created_at desc", "posts.position asc"])
+ end
+
+ def test_columns_for_distinct_with_case
+ assert_equal(
+ "posts.id, CASE WHEN author.is_active THEN UPPER(author.name) ELSE UPPER(author.email) END AS alias_0",
+ @conn.columns_for_distinct("posts.id",
+ ["CASE WHEN author.is_active THEN UPPER(author.name) ELSE UPPER(author.email) END"])
+ )
+ end
+
+ def test_columns_for_distinct_blank_not_nil_orders
+ assert_equal "posts.id, posts.created_at AS alias_0",
+ @conn.columns_for_distinct("posts.id", ["posts.created_at desc", "", " "])
+ end
+
+ def test_columns_for_distinct_with_arel_order
+ order = Object.new
+ def order.to_sql
+ "posts.created_at desc"
+ end
+ assert_equal "posts.id, posts.created_at AS alias_0",
+ @conn.columns_for_distinct("posts.id", [order])
+ end
+
+ def test_errors_for_bigint_fks_on_integer_pk_table
+ # table old_cars has primary key of integer
+
+ error = assert_raises(ActiveRecord::MismatchedForeignKey) do
+ @conn.add_reference :engines, :old_car
+ @conn.add_foreign_key :engines, :old_cars
+ end
+
+ assert_match "Column `old_car_id` on table `engines` has a type of `bigint(20)`", error.message
+ assert_not_nil error.cause
+ @conn.exec_query("ALTER TABLE engines DROP COLUMN old_car_id")
+ end
+
+ private
+
+ def with_example_table(definition = "id int auto_increment primary key, number int, data varchar(255)", &block)
+ super(@conn, "ex", definition, &block)
+ end
+end
diff --git a/activerecord/test/cases/adapters/mysql2/schema_migrations_test.rb b/activerecord/test/cases/adapters/mysql2/schema_migrations_test.rb
new file mode 100644
index 0000000000..d7d9a2d732
--- /dev/null
+++ b/activerecord/test/cases/adapters/mysql2/schema_migrations_test.rb
@@ -0,0 +1,65 @@
+# frozen_string_literal: true
+
+require "cases/helper"
+
+class SchemaMigrationsTest < ActiveRecord::Mysql2TestCase
+ self.use_transactional_tests = false
+
+ def test_renaming_index_on_foreign_key
+ connection.add_index "engines", "car_id"
+ connection.add_foreign_key :engines, :cars, name: "fk_engines_cars"
+
+ connection.rename_index("engines", "index_engines_on_car_id", "idx_renamed")
+ assert_equal ["idx_renamed"], connection.indexes("engines").map(&:name)
+ ensure
+ connection.remove_foreign_key :engines, name: "fk_engines_cars"
+ end
+
+ def test_initializes_schema_migrations_for_encoding_utf8mb4
+ with_encoding_utf8mb4 do
+ table_name = ActiveRecord::SchemaMigration.table_name
+ connection.drop_table table_name, if_exists: true
+
+ ActiveRecord::SchemaMigration.create_table
+
+ assert connection.column_exists?(table_name, :version, :string)
+ end
+ end
+
+ def test_initializes_internal_metadata_for_encoding_utf8mb4
+ with_encoding_utf8mb4 do
+ table_name = ActiveRecord::InternalMetadata.table_name
+ connection.drop_table table_name, if_exists: true
+
+ ActiveRecord::InternalMetadata.create_table
+
+ assert connection.column_exists?(table_name, :key, :string)
+ end
+ ensure
+ ActiveRecord::InternalMetadata[:environment] = connection.migration_context.current_environment
+ end
+
+ private
+
+ def with_encoding_utf8mb4
+ database_name = connection.current_database
+ database_info = connection.select_one("SELECT * FROM information_schema.schemata WHERE schema_name = '#{database_name}'")
+
+ original_charset = database_info["DEFAULT_CHARACTER_SET_NAME"]
+ original_collation = database_info["DEFAULT_COLLATION_NAME"]
+
+ execute("ALTER DATABASE #{database_name} DEFAULT CHARACTER SET utf8mb4")
+
+ yield
+ ensure
+ execute("ALTER DATABASE #{database_name} DEFAULT CHARACTER SET #{original_charset} COLLATE #{original_collation}")
+ end
+
+ def connection
+ @connection ||= ActiveRecord::Base.connection
+ end
+
+ def execute(sql)
+ connection.execute(sql)
+ end
+end
diff --git a/activerecord/test/cases/adapters/mysql2/schema_test.rb b/activerecord/test/cases/adapters/mysql2/schema_test.rb
new file mode 100644
index 0000000000..b587e756cf
--- /dev/null
+++ b/activerecord/test/cases/adapters/mysql2/schema_test.rb
@@ -0,0 +1,128 @@
+# frozen_string_literal: true
+
+require "cases/helper"
+require "models/post"
+require "models/comment"
+
+module ActiveRecord
+ module ConnectionAdapters
+ class Mysql2SchemaTest < ActiveRecord::Mysql2TestCase
+ fixtures :posts
+
+ def setup
+ @connection = ActiveRecord::Base.connection
+ db = Post.connection_pool.spec.config[:database]
+ table = Post.table_name
+ @db_name = db
+
+ @omgpost = Class.new(ActiveRecord::Base) do
+ self.inheritance_column = :disabled
+ self.table_name = "#{db}.#{table}"
+ def self.name; "Post"; end
+ end
+ end
+
+ def test_float_limits
+ @connection.create_table :mysql_doubles do |t|
+ t.float :float_no_limit
+ t.float :float_short, limit: 5
+ t.float :float_long, limit: 53
+
+ t.float :float_23, limit: 23
+ t.float :float_24, limit: 24
+ t.float :float_25, limit: 25
+ end
+
+ column_no_limit = @connection.columns(:mysql_doubles).find { |c| c.name == "float_no_limit" }
+ column_short = @connection.columns(:mysql_doubles).find { |c| c.name == "float_short" }
+ column_long = @connection.columns(:mysql_doubles).find { |c| c.name == "float_long" }
+
+ column_23 = @connection.columns(:mysql_doubles).find { |c| c.name == "float_23" }
+ column_24 = @connection.columns(:mysql_doubles).find { |c| c.name == "float_24" }
+ column_25 = @connection.columns(:mysql_doubles).find { |c| c.name == "float_25" }
+
+ # Mysql floats are precision 0..24, Mysql doubles are precision 25..53
+ assert_equal 24, column_no_limit.limit
+ assert_equal 24, column_short.limit
+ assert_equal 53, column_long.limit
+
+ assert_equal 24, column_23.limit
+ assert_equal 24, column_24.limit
+ assert_equal 53, column_25.limit
+ ensure
+ @connection.drop_table "mysql_doubles", if_exists: true
+ end
+
+ def test_schema
+ assert @omgpost.first
+ end
+
+ def test_primary_key
+ assert_equal "id", @omgpost.primary_key
+ end
+
+ def test_data_source_exists?
+ name = @omgpost.table_name
+ assert @connection.data_source_exists?(name), "#{name} data_source should exist"
+ end
+
+ def test_data_source_exists_wrong_schema
+ assert(!@connection.data_source_exists?("#{@db_name}.zomg"), "data_source should not exist")
+ end
+
+ def test_dump_indexes
+ index_a_name = "index_key_tests_on_snack"
+ index_b_name = "index_key_tests_on_pizza"
+ index_c_name = "index_key_tests_on_awesome"
+
+ table = "key_tests"
+
+ indexes = @connection.indexes(table).sort_by(&:name)
+ assert_equal 3, indexes.size
+
+ index_a = indexes.select { |i| i.name == index_a_name }[0]
+ index_b = indexes.select { |i| i.name == index_b_name }[0]
+ index_c = indexes.select { |i| i.name == index_c_name }[0]
+ assert_equal :btree, index_a.using
+ assert_nil index_a.type
+ assert_equal :btree, index_b.using
+ assert_nil index_b.type
+
+ assert_nil index_c.using
+ assert_equal :fulltext, index_c.type
+ end
+
+ unless mysql_enforcing_gtid_consistency?
+ def test_drop_temporary_table
+ @connection.transaction do
+ @connection.create_table(:temp_table, temporary: true)
+ # if it doesn't properly say DROP TEMPORARY TABLE, the transaction commit
+ # will complain that no transaction is active
+ @connection.drop_table(:temp_table, temporary: true)
+ end
+ end
+ end
+ end
+ end
+end
+
+class Mysql2AnsiQuotesTest < ActiveRecord::Mysql2TestCase
+ def setup
+ @connection = ActiveRecord::Base.connection
+ @connection.execute("SET SESSION sql_mode='ANSI_QUOTES'")
+ end
+
+ def teardown
+ @connection.reconnect!
+ end
+
+ def test_primary_key_method_with_ansi_quotes
+ assert_equal "id", @connection.primary_key("topics")
+ end
+
+ def test_foreign_keys_method_with_ansi_quotes
+ fks = @connection.foreign_keys("lessons_students")
+ assert_equal([["lessons_students", "students", :cascade]],
+ fks.map { |fk| [fk.from_table, fk.to_table, fk.on_delete] })
+ end
+end
diff --git a/activerecord/test/cases/adapters/mysql2/sp_test.rb b/activerecord/test/cases/adapters/mysql2/sp_test.rb
new file mode 100644
index 0000000000..7b6dce71e9
--- /dev/null
+++ b/activerecord/test/cases/adapters/mysql2/sp_test.rb
@@ -0,0 +1,38 @@
+# frozen_string_literal: true
+
+require "cases/helper"
+require "models/topic"
+require "models/reply"
+
+class Mysql2StoredProcedureTest < ActiveRecord::Mysql2TestCase
+ fixtures :topics
+
+ def setup
+ @connection = ActiveRecord::Base.connection
+ unless ActiveRecord::Base.connection.version >= "5.6.0"
+ skip("no stored procedure support")
+ end
+ end
+
+ # Test that MySQL allows multiple results for stored procedures
+ #
+ # In MySQL 5.6, CLIENT_MULTI_RESULTS is enabled by default.
+ # https://dev.mysql.com/doc/refman/5.6/en/call.html
+ def test_multi_results
+ rows = @connection.select_rows("CALL ten();")
+ assert_equal 10, rows[0][0].to_i, "ten() did not return 10 as expected: #{rows.inspect}"
+ assert @connection.active?, "Bad connection use by 'Mysql2Adapter.select_rows'"
+ end
+
+ def test_multi_results_from_select_one
+ row = @connection.select_one("CALL topics(1);")
+ assert_equal "David", row["author_name"]
+ assert @connection.active?, "Bad connection use by 'Mysql2Adapter.select_one'"
+ end
+
+ def test_multi_results_from_find_by_sql
+ topics = Topic.find_by_sql "CALL topics(3);"
+ assert_equal 3, topics.size
+ assert @connection.active?, "Bad connection use by 'Mysql2Adapter.select'"
+ end
+end
diff --git a/activerecord/test/cases/adapters/mysql2/sql_types_test.rb b/activerecord/test/cases/adapters/mysql2/sql_types_test.rb
new file mode 100644
index 0000000000..e10642cbb4
--- /dev/null
+++ b/activerecord/test/cases/adapters/mysql2/sql_types_test.rb
@@ -0,0 +1,16 @@
+# frozen_string_literal: true
+
+require "cases/helper"
+
+class Mysql2SqlTypesTest < ActiveRecord::Mysql2TestCase
+ def test_binary_types
+ assert_equal "varbinary(64)", type_to_sql(:binary, 64)
+ assert_equal "varbinary(4095)", type_to_sql(:binary, 4095)
+ assert_equal "blob", type_to_sql(:binary, 4096)
+ assert_equal "blob", type_to_sql(:binary)
+ end
+
+ def type_to_sql(type, limit = nil)
+ ActiveRecord::Base.connection.type_to_sql(type, limit: limit)
+ end
+end
diff --git a/activerecord/test/cases/adapters/mysql2/table_options_test.rb b/activerecord/test/cases/adapters/mysql2/table_options_test.rb
new file mode 100644
index 0000000000..1c92df940f
--- /dev/null
+++ b/activerecord/test/cases/adapters/mysql2/table_options_test.rb
@@ -0,0 +1,119 @@
+# frozen_string_literal: true
+
+require "cases/helper"
+require "support/schema_dumping_helper"
+
+class Mysql2TableOptionsTest < ActiveRecord::Mysql2TestCase
+ include SchemaDumpingHelper
+
+ def setup
+ @connection = ActiveRecord::Base.connection
+ end
+
+ def teardown
+ @connection.drop_table "mysql_table_options", if_exists: true
+ end
+
+ test "table options with ENGINE" do
+ @connection.create_table "mysql_table_options", force: true, options: "ENGINE=MyISAM"
+ output = dump_table_schema("mysql_table_options")
+ options = %r{create_table "mysql_table_options", options: "(?<options>.*)"}.match(output)[:options]
+ assert_match %r{ENGINE=MyISAM}, options
+ end
+
+ test "table options with ROW_FORMAT" do
+ @connection.create_table "mysql_table_options", force: true, options: "ROW_FORMAT=REDUNDANT"
+ output = dump_table_schema("mysql_table_options")
+ options = %r{create_table "mysql_table_options", options: "(?<options>.*)"}.match(output)[:options]
+ assert_match %r{ROW_FORMAT=REDUNDANT}, options
+ end
+
+ test "table options with CHARSET" do
+ @connection.create_table "mysql_table_options", force: true, options: "CHARSET=utf8mb4"
+ output = dump_table_schema("mysql_table_options")
+ options = %r{create_table "mysql_table_options", options: "(?<options>.*)"}.match(output)[:options]
+ assert_match %r{CHARSET=utf8mb4}, options
+ end
+
+ test "table options with COLLATE" do
+ @connection.create_table "mysql_table_options", force: true, options: "COLLATE=utf8mb4_bin"
+ output = dump_table_schema("mysql_table_options")
+ options = %r{create_table "mysql_table_options", options: "(?<options>.*)"}.match(output)[:options]
+ assert_match %r{COLLATE=utf8mb4_bin}, options
+ end
+end
+
+class Mysql2DefaultEngineOptionSchemaDumpTest < ActiveRecord::Mysql2TestCase
+ include SchemaDumpingHelper
+ self.use_transactional_tests = false
+
+ def setup
+ @verbose_was = ActiveRecord::Migration.verbose
+ ActiveRecord::Migration.verbose = false
+ end
+
+ def teardown
+ ActiveRecord::Base.connection.drop_table "mysql_table_options", if_exists: true
+ ActiveRecord::Migration.verbose = @verbose_was
+ ActiveRecord::SchemaMigration.delete_all rescue nil
+ end
+
+ test "schema dump includes ENGINE=InnoDB if not provided" do
+ ActiveRecord::Base.connection.create_table "mysql_table_options", force: true
+
+ output = dump_table_schema("mysql_table_options")
+ options = %r{create_table "mysql_table_options", options: "(?<options>.*)"}.match(output)[:options]
+ assert_match %r{ENGINE=InnoDB}, options
+ end
+
+ test "schema dump includes ENGINE=InnoDB in legacy migrations" do
+ migration = Class.new(ActiveRecord::Migration[5.1]) do
+ def migrate(x)
+ create_table "mysql_table_options", force: true
+ end
+ end.new
+
+ ActiveRecord::Migrator.new(:up, [migration]).migrate
+
+ output = dump_table_schema("mysql_table_options")
+ options = %r{create_table "mysql_table_options", options: "(?<options>.*)"}.match(output)[:options]
+ assert_match %r{ENGINE=InnoDB}, options
+ end
+end
+
+class Mysql2DefaultEngineOptionSqlOutputTest < ActiveRecord::Mysql2TestCase
+ self.use_transactional_tests = false
+
+ def setup
+ @logger_was = ActiveRecord::Base.logger
+ @log = StringIO.new
+ @verbose_was = ActiveRecord::Migration.verbose
+ ActiveRecord::Base.logger = ActiveSupport::Logger.new(@log)
+ ActiveRecord::Migration.verbose = false
+ end
+
+ def teardown
+ ActiveRecord::Base.logger = @logger_was
+ ActiveRecord::Migration.verbose = @verbose_was
+ ActiveRecord::Base.connection.drop_table "mysql_table_options", if_exists: true
+ ActiveRecord::SchemaMigration.delete_all rescue nil
+ end
+
+ test "new migrations do not contain default ENGINE=InnoDB option" do
+ ActiveRecord::Base.connection.create_table "mysql_table_options", force: true
+
+ assert_no_match %r{ENGINE=InnoDB}, @log.string
+ end
+
+ test "legacy migrations contain default ENGINE=InnoDB option" do
+ migration = Class.new(ActiveRecord::Migration[5.1]) do
+ def migrate(x)
+ create_table "mysql_table_options", force: true
+ end
+ end.new
+
+ ActiveRecord::Migrator.new(:up, [migration]).migrate
+
+ assert_match %r{ENGINE=InnoDB}, @log.string
+ end
+end
diff --git a/activerecord/test/cases/adapters/mysql2/transaction_test.rb b/activerecord/test/cases/adapters/mysql2/transaction_test.rb
new file mode 100644
index 0000000000..30455fbde5
--- /dev/null
+++ b/activerecord/test/cases/adapters/mysql2/transaction_test.rb
@@ -0,0 +1,149 @@
+# frozen_string_literal: true
+
+require "cases/helper"
+require "support/connection_helper"
+
+module ActiveRecord
+ class Mysql2TransactionTest < ActiveRecord::Mysql2TestCase
+ self.use_transactional_tests = false
+
+ class Sample < ActiveRecord::Base
+ self.table_name = "samples"
+ end
+
+ setup do
+ @abort, Thread.abort_on_exception = Thread.abort_on_exception, false
+ Thread.report_on_exception, @original_report_on_exception = false, Thread.report_on_exception if Thread.respond_to?(:report_on_exception)
+
+ @connection = ActiveRecord::Base.connection
+ @connection.clear_cache!
+
+ @connection.transaction do
+ @connection.drop_table "samples", if_exists: true
+ @connection.create_table("samples") do |t|
+ t.integer "value"
+ end
+ end
+
+ Sample.reset_column_information
+ end
+
+ teardown do
+ @connection.drop_table "samples", if_exists: true
+
+ Thread.abort_on_exception = @abort
+ Thread.report_on_exception = @original_report_on_exception if Thread.respond_to?(:report_on_exception)
+ end
+
+ test "raises Deadlocked when a deadlock is encountered" do
+ assert_raises(ActiveRecord::Deadlocked) do
+ barrier = Concurrent::CyclicBarrier.new(2)
+
+ s1 = Sample.create value: 1
+ s2 = Sample.create value: 2
+
+ thread = Thread.new do
+ Sample.transaction do
+ s1.lock!
+ barrier.wait
+ s2.update value: 1
+ end
+ end
+
+ begin
+ Sample.transaction do
+ s2.lock!
+ barrier.wait
+ s1.update value: 2
+ end
+ ensure
+ thread.join
+ end
+ end
+ end
+
+ test "raises LockWaitTimeout when lock wait timeout exceeded" do
+ assert_raises(ActiveRecord::LockWaitTimeout) do
+ s = Sample.create!(value: 1)
+ latch1 = Concurrent::CountDownLatch.new
+ latch2 = Concurrent::CountDownLatch.new
+
+ thread = Thread.new do
+ Sample.transaction do
+ Sample.lock.find(s.id)
+ latch1.count_down
+ latch2.wait
+ end
+ end
+
+ begin
+ Sample.transaction do
+ latch1.wait
+ Sample.connection.execute("SET innodb_lock_wait_timeout = 1")
+ Sample.lock.find(s.id)
+ end
+ ensure
+ Sample.connection.execute("SET innodb_lock_wait_timeout = DEFAULT")
+ latch2.count_down
+ thread.join
+ end
+ end
+ end
+
+ test "raises StatementTimeout when statement timeout exceeded" do
+ skip unless ActiveRecord::Base.connection.show_variable("max_execution_time")
+ assert_raises(ActiveRecord::StatementTimeout) do
+ s = Sample.create!(value: 1)
+ latch1 = Concurrent::CountDownLatch.new
+ latch2 = Concurrent::CountDownLatch.new
+
+ thread = Thread.new do
+ Sample.transaction do
+ Sample.lock.find(s.id)
+ latch1.count_down
+ latch2.wait
+ end
+ end
+
+ begin
+ Sample.transaction do
+ latch1.wait
+ Sample.connection.execute("SET max_execution_time = 1")
+ Sample.lock.find(s.id)
+ end
+ ensure
+ Sample.connection.execute("SET max_execution_time = DEFAULT")
+ latch2.count_down
+ thread.join
+ end
+ end
+ end
+
+ test "raises QueryCanceled when canceling statement due to user request" do
+ assert_raises(ActiveRecord::QueryCanceled) do
+ s = Sample.create!(value: 1)
+ latch = Concurrent::CountDownLatch.new
+
+ thread = Thread.new do
+ Sample.transaction do
+ Sample.lock.find(s.id)
+ latch.count_down
+ sleep(0.5)
+ conn = Sample.connection
+ pid = conn.query_value("SELECT id FROM information_schema.processlist WHERE info LIKE '% FOR UPDATE'")
+ conn.execute("KILL QUERY #{pid}")
+ end
+ end
+
+ begin
+ Sample.transaction do
+ latch.wait
+ Sample.lock.find(s.id)
+ end
+ ensure
+ thread.join
+ end
+ end
+ end
+ end
+end
diff --git a/activerecord/test/cases/adapters/mysql2/unsigned_type_test.rb b/activerecord/test/cases/adapters/mysql2/unsigned_type_test.rb
new file mode 100644
index 0000000000..97da96003d
--- /dev/null
+++ b/activerecord/test/cases/adapters/mysql2/unsigned_type_test.rb
@@ -0,0 +1,68 @@
+# frozen_string_literal: true
+
+require "cases/helper"
+require "support/schema_dumping_helper"
+
+class Mysql2UnsignedTypeTest < ActiveRecord::Mysql2TestCase
+ include SchemaDumpingHelper
+ self.use_transactional_tests = false
+
+ class UnsignedType < ActiveRecord::Base
+ end
+
+ setup do
+ @connection = ActiveRecord::Base.connection
+ @connection.create_table("unsigned_types", force: true) do |t|
+ t.integer :unsigned_integer, unsigned: true
+ t.bigint :unsigned_bigint, unsigned: true
+ t.float :unsigned_float, unsigned: true
+ t.decimal :unsigned_decimal, unsigned: true, precision: 10, scale: 2
+ t.column :unsigned_zerofill, "int unsigned zerofill"
+ end
+ end
+
+ teardown do
+ @connection.drop_table "unsigned_types", if_exists: true
+ end
+
+ test "unsigned int max value is in range" do
+ assert expected = UnsignedType.create(unsigned_integer: 4294967295)
+ assert_equal expected, UnsignedType.find_by(unsigned_integer: 4294967295)
+ end
+
+ test "minus value is out of range" do
+ assert_raise(ActiveModel::RangeError) do
+ UnsignedType.create(unsigned_integer: -10)
+ end
+ assert_raise(ActiveModel::RangeError) do
+ UnsignedType.create(unsigned_bigint: -10)
+ end
+ assert_raise(ActiveRecord::RangeError) do
+ UnsignedType.create(unsigned_float: -10.0)
+ end
+ assert_raise(ActiveRecord::RangeError) do
+ UnsignedType.create(unsigned_decimal: -10.0)
+ end
+ end
+
+ test "schema definition can use unsigned as the type" do
+ @connection.change_table("unsigned_types") do |t|
+ t.unsigned_integer :unsigned_integer_t
+ t.unsigned_bigint :unsigned_bigint_t
+ t.unsigned_float :unsigned_float_t
+ t.unsigned_decimal :unsigned_decimal_t, precision: 10, scale: 2
+ end
+
+ @connection.columns("unsigned_types").select { |c| /^unsigned_/.match?(c.name) }.each do |column|
+ assert_predicate column, :unsigned?
+ end
+ end
+
+ test "schema dump includes unsigned option" do
+ schema = dump_table_schema "unsigned_types"
+ assert_match %r{t\.integer\s+"unsigned_integer",\s+unsigned: true$}, schema
+ assert_match %r{t\.bigint\s+"unsigned_bigint",\s+unsigned: true$}, schema
+ assert_match %r{t\.float\s+"unsigned_float",\s+unsigned: true$}, schema
+ assert_match %r{t\.decimal\s+"unsigned_decimal",\s+precision: 10,\s+scale: 2,\s+unsigned: true$}, schema
+ end
+end
diff --git a/activerecord/test/cases/adapters/mysql2/virtual_column_test.rb b/activerecord/test/cases/adapters/mysql2/virtual_column_test.rb
new file mode 100644
index 0000000000..ffde8ed4d8
--- /dev/null
+++ b/activerecord/test/cases/adapters/mysql2/virtual_column_test.rb
@@ -0,0 +1,61 @@
+# frozen_string_literal: true
+
+require "cases/helper"
+require "support/schema_dumping_helper"
+
+if ActiveRecord::Base.connection.supports_virtual_columns?
+ class Mysql2VirtualColumnTest < ActiveRecord::Mysql2TestCase
+ include SchemaDumpingHelper
+
+ self.use_transactional_tests = false
+
+ class VirtualColumn < ActiveRecord::Base
+ end
+
+ def setup
+ @connection = ActiveRecord::Base.connection
+ @connection.create_table :virtual_columns, force: true do |t|
+ t.string :name
+ t.virtual :upper_name, type: :string, as: "UPPER(`name`)"
+ t.virtual :name_length, type: :integer, as: "LENGTH(`name`)", stored: true
+ end
+ VirtualColumn.create(name: "Rails")
+ end
+
+ def teardown
+ @connection.drop_table :virtual_columns, if_exists: true
+ VirtualColumn.reset_column_information
+ end
+
+ def test_virtual_column
+ column = VirtualColumn.columns_hash["upper_name"]
+ assert_predicate column, :virtual?
+ assert_match %r{\bVIRTUAL\b}, column.extra
+ assert_equal "RAILS", VirtualColumn.take.upper_name
+ end
+
+ def test_stored_column
+ column = VirtualColumn.columns_hash["name_length"]
+ assert_predicate column, :virtual?
+ assert_match %r{\b(?:STORED|PERSISTENT)\b}, column.extra
+ assert_equal 5, VirtualColumn.take.name_length
+ end
+
+ def test_change_table
+ @connection.change_table :virtual_columns do |t|
+ t.virtual :lower_name, type: :string, as: "LOWER(name)"
+ end
+ VirtualColumn.reset_column_information
+ column = VirtualColumn.columns_hash["lower_name"]
+ assert_predicate column, :virtual?
+ assert_match %r{\bVIRTUAL\b}, column.extra
+ assert_equal "rails", VirtualColumn.take.lower_name
+ end
+
+ def test_schema_dumping
+ output = dump_table_schema("virtual_columns")
+ assert_match(/t\.virtual\s+"upper_name",\s+type: :string,\s+as: "(?:UPPER|UCASE)\(`name`\)"$/i, output)
+ assert_match(/t\.virtual\s+"name_length",\s+type: :integer,\s+as: "LENGTH\(`name`\)",\s+stored: true$/i, output)
+ end
+ end
+end