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require "cases/helper"
module ActiveRecord
class Migration
class ReferencesIndexTest < ActiveRecord::TestCase
attr_reader :connection, :table_name
def setup
super
@connection = ActiveRecord::Base.connection
@table_name = :testings
end
teardown do
connection.drop_table :testings rescue nil
end
def test_creates_index
connection.create_table table_name do |t|
t.references :foo, index: true
end
assert connection.index_exists?(table_name, :foo_id, name: :index_testings_on_foo_id)
end
def test_creates_index_by_default_even_if_index_option_is_not_passed
connection.create_table table_name do |t|
t.references :foo
end
assert connection.index_exists?(table_name, :foo_id, name: :index_testings_on_foo_id)
end
def test_does_not_create_index_explicit
connection.create_table table_name do |t|
t.references :foo, index: false
end
assert_not connection.index_exists?(table_name, :foo_id, name: :index_testings_on_foo_id)
end
def test_creates_index_with_options
connection.create_table table_name do |t|
t.references :foo, index: { name: :index_testings_on_yo_momma }
t.references :bar, index: { unique: true }
end
assert connection.index_exists?(table_name, :foo_id, name: :index_testings_on_yo_momma)
assert connection.index_exists?(table_name, :bar_id, name: :index_testings_on_bar_id, unique: true)
end
unless current_adapter? :OracleAdapter
def test_creates_polymorphic_index
connection.create_table table_name do |t|
t.references :foo, polymorphic: true, index: true
end
assert connection.index_exists?(table_name, [:foo_type, :foo_id], name: :index_testings_on_foo_type_and_foo_id)
end
end
def test_creates_index_for_existing_table
connection.create_table table_name
connection.change_table table_name do |t|
t.references :foo, index: true
end
assert connection.index_exists?(table_name, :foo_id, name: :index_testings_on_foo_id)
end
def test_creates_index_for_existing_table_even_if_index_option_is_not_passed
connection.create_table table_name
connection.change_table table_name do |t|
t.references :foo
end
assert connection.index_exists?(table_name, :foo_id, name: :index_testings_on_foo_id)
end
def test_does_not_create_index_for_existing_table_explicit
connection.create_table table_name
connection.change_table table_name do |t|
t.references :foo, index: false
end
assert_not connection.index_exists?(table_name, :foo_id, name: :index_testings_on_foo_id)
end
unless current_adapter? :OracleAdapter
def test_creates_polymorphic_index_for_existing_table
connection.create_table table_name
connection.change_table table_name do |t|
t.references :foo, polymorphic: true, index: true
end
assert connection.index_exists?(table_name, [:foo_type, :foo_id], name: :index_testings_on_foo_type_and_foo_id)
end
end
end
end
end
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