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require "cases/helper"
class PostgresqlLegacyMigrationTest < ActiveRecord::PostgreSQLTestCase
class GenerateTableWithoutBigserial < ActiveRecord::Migration[5.0]
def change
create_table :legacy_integer_pk do |table|
table.string :foo
end
create_table :override_pk, id: :bigint do |table|
table.string :bar
end
end
end
def setup
super
@migration_verbose_old = ActiveRecord::Migration.verbose
ActiveRecord::Migration.verbose = false
migrations = [GenerateTableWithoutBigserial.new(nil, 1)]
ActiveRecord::Migrator.new(:up, migrations).migrate
end
def teardown
ActiveRecord::Migration.verbose = @migration_verbose_old
super
end
def test_create_table_uses_serial_as_pkey_by_default
col = column(:legacy_integer_pk, :id)
assert_equal "integer", sql_type_for(col)
assert col.serial?
end
def test_create_tables_respects_pk_column_type_override
col = column(:override_pk, :id)
assert_equal "bigint", sql_type_for(col)
end
private
def column(table_name, column_name)
ActiveRecord::Base.connection.
columns(table_name.to_s).
detect { |c| c.name == column_name.to_s }
end
def sql_type_for(col)
col && col.sql_type
end
end
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