require "isolation/abstract_unit" 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://:@localhost/#{database_url_db_name}" end def expected @expected ||= {} end def db_create_and_drop Dir.chdir(app_path) do output = `bundle exec rake db:create` assert_equal output, "" assert File.exists?(expected[:database]) assert_equal expected[:database], ActiveRecord::Base.connection_config[:database] output = `bundle exec rake db:drop` assert_equal output, "" assert !File.exists?(expected[:database]) end end test 'db:create and db:drop without database url' do require "#{app_path}/config/environment" expected[:database] = ActiveRecord::Base.configurations[Rails.env]['database'] db_create_and_drop end test 'db:create and db:drop with database url' do require "#{app_path}/config/environment" set_database_url expected[:database] = database_url_db_name db_create_and_drop end def db_migrate_and_status 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(/database:\s+\S+#{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" expected[:database] = ActiveRecord::Base.configurations[Rails.env]['database'] db_migrate_and_status end test 'db:migrate and db:migrate:status with database_url' do require "#{app_path}/config/environment" set_database_url expected[:database] = database_url_db_name db_migrate_and_status end def db_schema_dump Dir.chdir(app_path) do `rails generate model book title:string` `rake db:migrate` `rake 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 Dir.chdir(app_path) do `rails generate model book title:string` `bundle exec rake db:migrate` `bundle exec rake 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" expected[:database] = ActiveRecord::Base.configurations[Rails.env]['database'] db_fixtures_load end test 'db:fixtures:load with database_url' do require "#{app_path}/config/environment" set_database_url expected[:database] = database_url_db_name db_fixtures_load end def db_structure_dump_and_load Dir.chdir(app_path) do `rails generate model book title:string` `bundle exec rake db:migrate` `bundle exec rake db:structure:dump` structure_dump = File.read("db/structure.sql") assert_match(/CREATE TABLE \"books\"/, structure_dump) `bundle exec rake db:drop` `bundle exec rake 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 Book.count, 0 end end test 'db:structure:dump and db:structure:load without database_url' do require "#{app_path}/config/environment" expected[:database] = ActiveRecord::Base.configurations[Rails.env]['database'] db_structure_dump_and_load end test 'db:structure:dump and db:structure:load with database_url' do require "#{app_path}/config/environment" set_database_url expected[:database] = database_url_db_name db_structure_dump_and_load end def db_test_load_structure Dir.chdir(app_path) do `rails generate model book title:string` `bundle exec rake db:migrate` `bundle exec rake db:structure:dump` `bundle exec rake 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 Book.count, 0 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:load_structure with database_url' do require "#{app_path}/config/environment" set_database_url db_test_load_structure end end end end