mirror of
https://github.com/rails/rails.git
synced 2022-11-09 12:12:34 -05:00
369 lines
10 KiB
Ruby
369 lines
10 KiB
Ruby
# frozen_string_literal: true
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require "cases/helper"
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require "support/schema_dumping_helper"
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module ActiveRecord
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class Migration
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class CompatibilityTest < ActiveRecord::TestCase
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attr_reader :connection
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self.use_transactional_tests = false
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def setup
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super
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@connection = ActiveRecord::Base.connection
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@verbose_was = ActiveRecord::Migration.verbose
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ActiveRecord::Migration.verbose = false
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connection.create_table :testings do |t|
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t.column :foo, :string, limit: 5
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t.column :bar, :string, limit: 100
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end
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end
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teardown do
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connection.drop_table :testings rescue nil
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ActiveRecord::Migration.verbose = @verbose_was
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ActiveRecord::SchemaMigration.delete_all rescue nil
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end
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def test_migration_doesnt_remove_named_index
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connection.add_index :testings, :foo, name: "custom_index_name"
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migration = Class.new(ActiveRecord::Migration[4.2]) {
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def version; 101 end
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def migrate(x)
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remove_index :testings, :foo
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end
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}.new
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assert connection.index_exists?(:testings, :foo, name: "custom_index_name")
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assert_raise(StandardError) { ActiveRecord::Migrator.new(:up, [migration]).migrate }
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assert connection.index_exists?(:testings, :foo, name: "custom_index_name")
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end
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def test_migration_does_remove_unnamed_index
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connection.add_index :testings, :bar
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migration = Class.new(ActiveRecord::Migration[4.2]) {
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def version; 101 end
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def migrate(x)
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remove_index :testings, :bar
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end
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}.new
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assert connection.index_exists?(:testings, :bar)
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ActiveRecord::Migrator.new(:up, [migration]).migrate
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assert_not connection.index_exists?(:testings, :bar)
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end
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def test_references_does_not_add_index_by_default
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migration = Class.new(ActiveRecord::Migration[4.2]) {
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def migrate(x)
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create_table :more_testings do |t|
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t.references :foo
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t.belongs_to :bar, index: false
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end
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end
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}.new
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ActiveRecord::Migrator.new(:up, [migration]).migrate
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assert_not connection.index_exists?(:more_testings, :foo_id)
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assert_not connection.index_exists?(:more_testings, :bar_id)
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ensure
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connection.drop_table :more_testings rescue nil
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end
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def test_timestamps_have_null_constraints_if_not_present_in_migration_of_create_table
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migration = Class.new(ActiveRecord::Migration[4.2]) {
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def migrate(x)
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create_table :more_testings do |t|
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t.timestamps
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end
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end
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}.new
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ActiveRecord::Migrator.new(:up, [migration]).migrate
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assert connection.columns(:more_testings).find { |c| c.name == "created_at" }.null
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assert connection.columns(:more_testings).find { |c| c.name == "updated_at" }.null
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ensure
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connection.drop_table :more_testings rescue nil
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end
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def test_timestamps_have_null_constraints_if_not_present_in_migration_of_change_table
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migration = Class.new(ActiveRecord::Migration[4.2]) {
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def migrate(x)
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change_table :testings do |t|
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t.timestamps
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end
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end
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}.new
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ActiveRecord::Migrator.new(:up, [migration]).migrate
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assert connection.columns(:testings).find { |c| c.name == "created_at" }.null
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assert connection.columns(:testings).find { |c| c.name == "updated_at" }.null
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end
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def test_timestamps_have_null_constraints_if_not_present_in_migration_for_adding_timestamps_to_existing_table
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migration = Class.new(ActiveRecord::Migration[4.2]) {
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def migrate(x)
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add_timestamps :testings
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end
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}.new
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ActiveRecord::Migrator.new(:up, [migration]).migrate
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assert connection.columns(:testings).find { |c| c.name == "created_at" }.null
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assert connection.columns(:testings).find { |c| c.name == "updated_at" }.null
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end
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def test_legacy_migrations_raises_exception_when_inherited
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e = assert_raises(StandardError) do
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class_eval("class LegacyMigration < ActiveRecord::Migration; end")
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end
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assert_match(/LegacyMigration < ActiveRecord::Migration\[4\.2\]/, e.message)
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end
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if current_adapter?(:PostgreSQLAdapter)
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class Testing < ActiveRecord::Base
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end
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def test_legacy_change_column_with_null_executes_update
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migration = Class.new(ActiveRecord::Migration[5.1]) {
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def migrate(x)
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change_column :testings, :foo, :string, limit: 10, null: false, default: "foobar"
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end
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}.new
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Testing.create!
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ActiveRecord::Migrator.new(:up, [migration]).migrate
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assert_equal ["foobar"], Testing.all.map(&:foo)
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ensure
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ActiveRecord::Base.clear_cache!
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end
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end
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end
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end
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end
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module LegacyPrimaryKeyTestCases
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include SchemaDumpingHelper
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class LegacyPrimaryKey < ActiveRecord::Base
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end
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def setup
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@migration = nil
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@verbose_was = ActiveRecord::Migration.verbose
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ActiveRecord::Migration.verbose = false
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end
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def teardown
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@migration.migrate(:down) if @migration
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ActiveRecord::Migration.verbose = @verbose_was
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ActiveRecord::SchemaMigration.delete_all rescue nil
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LegacyPrimaryKey.reset_column_information
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end
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def test_legacy_primary_key_should_be_auto_incremented
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@migration = Class.new(migration_class) {
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def change
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create_table :legacy_primary_keys do |t|
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t.references :legacy_ref
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end
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end
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}.new
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@migration.migrate(:up)
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assert_legacy_primary_key
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legacy_ref = LegacyPrimaryKey.columns_hash["legacy_ref_id"]
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assert_not_predicate legacy_ref, :bigint?
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record1 = LegacyPrimaryKey.create!
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assert_not_nil record1.id
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record1.destroy
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record2 = LegacyPrimaryKey.create!
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assert_not_nil record2.id
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assert_operator record2.id, :>, record1.id
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end
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def test_legacy_integer_primary_key_should_not_be_auto_incremented
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skip if current_adapter?(:SQLite3Adapter)
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@migration = Class.new(migration_class) {
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def change
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create_table :legacy_primary_keys, id: :integer do |t|
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end
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end
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}.new
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@migration.migrate(:up)
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assert_raises(ActiveRecord::NotNullViolation) do
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LegacyPrimaryKey.create!
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end
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schema = dump_table_schema "legacy_primary_keys"
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assert_match %r{create_table "legacy_primary_keys", id: :integer, default: nil}, schema
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end
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def test_legacy_primary_key_in_create_table_should_be_integer
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@migration = Class.new(migration_class) {
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def change
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create_table :legacy_primary_keys, id: false do |t|
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t.primary_key :id
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end
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end
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}.new
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@migration.migrate(:up)
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assert_legacy_primary_key
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end
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def test_legacy_primary_key_in_change_table_should_be_integer
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@migration = Class.new(migration_class) {
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def change
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create_table :legacy_primary_keys, id: false do |t|
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t.integer :dummy
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end
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change_table :legacy_primary_keys do |t|
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t.primary_key :id
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end
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end
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}.new
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@migration.migrate(:up)
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assert_legacy_primary_key
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end
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def test_add_column_with_legacy_primary_key_should_be_integer
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@migration = Class.new(migration_class) {
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def change
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create_table :legacy_primary_keys, id: false do |t|
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t.integer :dummy
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end
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add_column :legacy_primary_keys, :id, :primary_key
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end
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}.new
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@migration.migrate(:up)
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assert_legacy_primary_key
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end
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def test_legacy_join_table_foreign_keys_should_be_integer
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@migration = Class.new(migration_class) {
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def change
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create_join_table :apples, :bananas do |t|
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end
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end
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}.new
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@migration.migrate(:up)
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schema = dump_table_schema "apples_bananas"
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assert_match %r{integer "apple_id", null: false}, schema
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assert_match %r{integer "banana_id", null: false}, schema
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end
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def test_legacy_join_table_column_options_should_be_overwritten
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@migration = Class.new(migration_class) {
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def change
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create_join_table :apples, :bananas, column_options: { type: :bigint } do |t|
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end
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end
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}.new
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@migration.migrate(:up)
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schema = dump_table_schema "apples_bananas"
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assert_match %r{bigint "apple_id", null: false}, schema
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assert_match %r{bigint "banana_id", null: false}, schema
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end
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if current_adapter?(:Mysql2Adapter)
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def test_legacy_bigint_primary_key_should_be_auto_incremented
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@migration = Class.new(migration_class) {
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def change
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create_table :legacy_primary_keys, id: :bigint
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end
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}.new
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@migration.migrate(:up)
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legacy_pk = LegacyPrimaryKey.columns_hash["id"]
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assert_predicate legacy_pk, :bigint?
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assert_predicate legacy_pk, :auto_increment?
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schema = dump_table_schema "legacy_primary_keys"
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assert_match %r{create_table "legacy_primary_keys", (?!id: :bigint, default: nil)}, schema
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end
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else
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def test_legacy_bigint_primary_key_should_not_be_auto_incremented
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@migration = Class.new(migration_class) {
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def change
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create_table :legacy_primary_keys, id: :bigint do |t|
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end
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end
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}.new
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@migration.migrate(:up)
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assert_raises(ActiveRecord::NotNullViolation) do
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LegacyPrimaryKey.create!
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end
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schema = dump_table_schema "legacy_primary_keys"
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assert_match %r{create_table "legacy_primary_keys", id: :bigint, default: nil}, schema
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end
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end
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private
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def assert_legacy_primary_key
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assert_equal "id", LegacyPrimaryKey.primary_key
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legacy_pk = LegacyPrimaryKey.columns_hash["id"]
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assert_equal :integer, legacy_pk.type
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assert_not_predicate legacy_pk, :bigint?
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assert_not legacy_pk.null
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if current_adapter?(:Mysql2Adapter, :PostgreSQLAdapter)
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schema = dump_table_schema "legacy_primary_keys"
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assert_match %r{create_table "legacy_primary_keys", id: :(?:integer|serial), (?!default: nil)}, schema
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end
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end
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end
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module LegacyPrimaryKeyTest
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class V5_0 < ActiveRecord::TestCase
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include LegacyPrimaryKeyTestCases
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self.use_transactional_tests = false
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private
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def migration_class
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ActiveRecord::Migration[5.0]
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end
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end
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class V4_2 < ActiveRecord::TestCase
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include LegacyPrimaryKeyTestCases
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self.use_transactional_tests = false
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private
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def migration_class
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ActiveRecord::Migration[4.2]
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end
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end
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end
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