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# frozen_string_literal: true
require "cases/helper"
module ActiveRecord
class Migration
class CreateJoinTableTest < ActiveRecord::TestCase
attr_reader :connection
def setup
super
@connection = ActiveRecord::Base.connection
end
teardown do
%w(artists_musics musics_videos catalog).each do |table_name|
connection.drop_table table_name, if_exists: true
end
end
def test_create_join_table
connection.create_join_table :artists, :musics
assert_equal %w(artist_id music_id), connection.columns(:artists_musics).map(&:name).sort
end
def test_create_join_table_set_not_null_by_default
connection.create_join_table :artists, :musics
assert_equal [false, false], connection.columns(:artists_musics).map(&:null)
end
def test_create_join_table_with_strings
connection.create_join_table "artists", "musics"
assert_equal %w(artist_id music_id), connection.columns(:artists_musics).map(&:name).sort
end
def test_create_join_table_with_symbol_and_string
connection.create_join_table :artists, "musics"
assert_equal %w(artist_id music_id), connection.columns(:artists_musics).map(&:name).sort
end
def test_create_join_table_with_the_proper_order
connection.create_join_table :videos, :musics
assert_equal %w(music_id video_id), connection.columns(:musics_videos).map(&:name).sort
end
def test_create_join_table_with_the_table_name
connection.create_join_table :artists, :musics, table_name: :catalog
assert_equal %w(artist_id music_id), connection.columns(:catalog).map(&:name).sort
end
def test_create_join_table_with_the_table_name_as_string
connection.create_join_table :artists, :musics, table_name: "catalog"
assert_equal %w(artist_id music_id), connection.columns(:catalog).map(&:name).sort
end
def test_create_join_table_with_column_options
connection.create_join_table :artists, :musics, column_options: { null: true }
assert_equal [true, true], connection.columns(:artists_musics).map(&:null)
end
def test_create_join_table_without_indexes
connection.create_join_table :artists, :musics
assert_predicate connection.indexes(:artists_musics), :blank?
end
def test_create_join_table_with_index
connection.create_join_table :artists, :musics do |t|
t.index [:artist_id, :music_id]
end
assert_equal [%w(artist_id music_id)], connection.indexes(:artists_musics).map(&:columns)
end
def test_create_join_table_respects_reference_key_type
connection.create_join_table :artists, :musics do |t|
t.references :video
end
artist_id, music_id, video_id = connection.columns(:artists_musics).sort_by(&:name)
assert_equal video_id.sql_type, artist_id.sql_type
assert_equal video_id.sql_type, music_id.sql_type
end
def test_drop_join_table
connection.create_join_table :artists, :musics
connection.drop_join_table :artists, :musics
assert_not connection.table_exists?("artists_musics")
end
def test_drop_join_table_with_strings
connection.create_join_table :artists, :musics
connection.drop_join_table "artists", "musics"
assert_not connection.table_exists?("artists_musics")
end
def test_drop_join_table_with_the_proper_order
connection.create_join_table :videos, :musics
connection.drop_join_table :videos, :musics
assert_not connection.table_exists?("musics_videos")
end
def test_drop_join_table_with_the_table_name
connection.create_join_table :artists, :musics, table_name: :catalog
connection.drop_join_table :artists, :musics, table_name: :catalog
assert_not connection.table_exists?("catalog")
end
def test_drop_join_table_with_the_table_name_as_string
connection.create_join_table :artists, :musics, table_name: "catalog"
connection.drop_join_table :artists, :musics, table_name: "catalog"
assert_not connection.table_exists?("catalog")
end
def test_drop_join_table_with_column_options
connection.create_join_table :artists, :musics, column_options: { null: true }
connection.drop_join_table :artists, :musics, column_options: { null: true }
assert_not connection.table_exists?("artists_musics")
end
def test_create_and_drop_join_table_with_common_prefix
with_table_cleanup do
connection.create_join_table "audio_artists", "audio_musics"
assert connection.table_exists?("audio_artists_musics")
connection.drop_join_table "audio_artists", "audio_musics"
assert_not connection.table_exists?("audio_artists_musics"), "Should have dropped join table, but didn't"
end
end
if current_adapter?(:PostgreSQLAdapter)
def test_create_join_table_with_uuid
connection.create_join_table :artists, :musics, column_options: { type: :uuid }
assert_equal [:uuid, :uuid], connection.columns(:artists_musics).map(&:type)
end
end
private
def with_table_cleanup
tables_before = connection.data_sources
yield
ensure
tables_after = connection.data_sources - tables_before
tables_after.each do |table|
connection.drop_table table
end
end
end
end
end
|
