require "isolation/abstract_unit" require "active_support/core_ext/string/strip" module ApplicationTests module RakeTests class RakeDbsTest < ActiveSupport::TestCase include ActiveSupport::Testing::Isolation def setup build_app boot_rails FileUtils.rm_rf("#{app_path}/config/environments") end def teardown teardown_app end def database_url_db_name "db/database_url_db.sqlite3" end def set_database_url ENV['DATABASE_URL'] = "sqlite3:#{database_url_db_name}" # ensure it's using the DATABASE_URL FileUtils.rm_rf("#{app_path}/config/database.yml") end def db_create_and_drop(expected_database) Dir.chdir(app_path) do output = `bundle exec rake db:create` assert_empty output assert File.exist?(expected_database) assert_equal expected_database, ActiveRecord::Base.connection_config[:database] output = `bundle exec rake db:drop` assert_empty output assert !File.exist?(expected_database) end end test 'db:create and db:drop without database url' do require "#{app_path}/config/environment" db_create_and_drop ActiveRecord::Base.configurations[Rails.env]['database'] end test 'db:create and db:drop with database url' do require "#{app_path}/config/environment" set_database_url db_create_and_drop database_url_db_name end def db_migrate_and_status(expected_database) Dir.chdir(app_path) do `rails generate model book title:string; bundle exec rake db:migrate` output = `bundle exec rake db:migrate:status` assert_match(%r{database:\s+\S*#{Regexp.escape(expected_database)}}, output) assert_match(/up\s+\d{14}\s+Create books/, output) end end test 'db:migrate and db:migrate:status without database_url' do require "#{app_path}/config/environment" db_migrate_and_status ActiveRecord::Base.configurations[Rails.env]['database'] end test 'db:migrate and db:migrate:status with database_url' do require "#{app_path}/config/environment" set_database_url db_migrate_and_status database_url_db_name end def db_schema_dump Dir.chdir(app_path) do `rails generate model book title:string; rake db:migrate db:schema:dump` schema_dump = File.read("db/schema.rb") assert_match(/create_table \"books\"/, schema_dump) end end test 'db:schema:dump without database_url' do db_schema_dump end test 'db:schema:dump with database_url' do set_database_url db_schema_dump end def db_fixtures_load(expected_database) Dir.chdir(app_path) do `rails generate model book title:string; bundle exec rake db:migrate db:fixtures:load` assert_match expected_database, ActiveRecord::Base.connection_config[:database] require "#{app_path}/app/models/book" assert_equal 2, Book.count end end test 'db:fixtures:load without database_url' do require "#{app_path}/config/environment" db_fixtures_load ActiveRecord::Base.configurations[Rails.env]['database'] end test 'db:fixtures:load with database_url' do require "#{app_path}/config/environment" set_database_url db_fixtures_load database_url_db_name end def db_structure_dump_and_load(expected_database) Dir.chdir(app_path) do `rails generate model book title:string; bundle exec rake db:migrate db:structure:dump` structure_dump = File.read("db/structure.sql") assert_match(/CREATE TABLE \"books\"/, structure_dump) `bundle exec rake environment db:drop db:structure:load` assert_match expected_database, ActiveRecord::Base.connection_config[:database] require "#{app_path}/app/models/book" #if structure is not loaded correctly, exception would be raised assert_equal 0, Book.count end end test 'db:structure:dump and db:structure:load without database_url' do require "#{app_path}/config/environment" db_structure_dump_and_load ActiveRecord::Base.configurations[Rails.env]['database'] end test 'db:structure:dump and db:structure:load with database_url' do require "#{app_path}/config/environment" set_database_url db_structure_dump_and_load database_url_db_name end test 'db:structure:dump does not dump schema information when no migrations are used' do Dir.chdir(app_path) do # create table without migrations `bundle exec rails runner 'ActiveRecord::Base.connection.create_table(:posts) {|t| t.string :title }'` stderr_output = capture(:stderr) { `bundle exec rake db:structure:dump` } assert_empty stderr_output structure_dump = File.read("db/structure.sql") assert_match(/CREATE TABLE \"posts\"/, structure_dump) end end def db_test_load_structure Dir.chdir(app_path) do `rails generate model book title:string; bundle exec rake db:migrate db:structure:dump db:test:load_structure` ActiveRecord::Base.configurations = Rails.application.config.database_configuration ActiveRecord::Base.establish_connection :test require "#{app_path}/app/models/book" #if structure is not loaded correctly, exception would be raised assert_equal 0, Book.count assert_match ActiveRecord::Base.configurations['test']['database'], ActiveRecord::Base.connection_config[:database] end end test 'db:test:load_structure without database_url' do require "#{app_path}/config/environment" db_test_load_structure end test 'db:test deprecation' do require "#{app_path}/config/environment" Dir.chdir(app_path) do output = `bundle exec rake db:migrate db:test:prepare 2>&1` assert_equal "WARNING: db:test:prepare is deprecated. The Rails test helper now maintains " \ "your test schema automatically, see the release notes for details.\n", output end end end end end