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require "isolation/abstract_unit"
module ApplicationTests
module RakeTests
class RakeMigrationsTest < ActiveSupport::TestCase
def setup
build_app
FileUtils.rm_rf("#{app_path}/config/environments")
end
def teardown
teardown_app
end
test "running migrations with given scope" do
Dir.chdir(app_path) do
`bin/rails generate model user username:string password:string`
app_file "db/migrate/01_a_migration.bukkits.rb", <<-MIGRATION
class AMigration < ActiveRecord::Migration::Current
end
MIGRATION
output = `bin/rails db:migrate SCOPE=bukkits`
assert_no_match(/create_table\(:users\)/, output)
assert_no_match(/CreateUsers/, output)
assert_no_match(/add_column\(:users, :email, :string\)/, output)
assert_match(/AMigration: migrated/, output)
output = `bin/rails db:migrate SCOPE=bukkits VERSION=0`
assert_no_match(/drop_table\(:users\)/, output)
assert_no_match(/CreateUsers/, output)
assert_no_match(/remove_column\(:users, :email\)/, output)
assert_match(/AMigration: reverted/, output)
end
end
test "model and migration generator with change syntax" do
Dir.chdir(app_path) do
`bin/rails generate model user username:string password:string;
bin/rails generate migration add_email_to_users email:string`
output = `bin/rails db:migrate`
assert_match(/create_table\(:users\)/, output)
assert_match(/CreateUsers: migrated/, output)
assert_match(/add_column\(:users, :email, :string\)/, output)
assert_match(/AddEmailToUsers: migrated/, output)
output = `bin/rails db:rollback STEP=2`
assert_match(/drop_table\(:users\)/, output)
assert_match(/CreateUsers: reverted/, output)
assert_match(/remove_column\(:users, :email, :string\)/, output)
assert_match(/AddEmailToUsers: reverted/, output)
end
end
test "migration status when schema migrations table is not present" do
output = Dir.chdir(app_path) { `bin/rails db:migrate:status 2>&1` }
assert_equal "Schema migrations table does not exist yet.\n", output
end
test "test migration status" do
Dir.chdir(app_path) do
`bin/rails generate model user username:string password:string;
bin/rails generate migration add_email_to_users email:string;
bin/rails db:migrate`
output = `bin/rails db:migrate:status`
assert_match(/up\s+\d{14}\s+Create users/, output)
assert_match(/up\s+\d{14}\s+Add email to users/, output)
`bin/rails db:rollback STEP=1`
output = `bin/rails db:migrate:status`
assert_match(/up\s+\d{14}\s+Create users/, output)
assert_match(/down\s+\d{14}\s+Add email to users/, output)
end
end
test "migration status without timestamps" do
add_to_config("config.active_record.timestamped_migrations = false")
Dir.chdir(app_path) do
`bin/rails generate model user username:string password:string;
bin/rails generate migration add_email_to_users email:string;
bin/rails db:migrate`
output = `bin/rails db:migrate:status`
assert_match(/up\s+\d{3,}\s+Create users/, output)
assert_match(/up\s+\d{3,}\s+Add email to users/, output)
`bin/rails db:rollback STEP=1`
output = `bin/rails db:migrate:status`
assert_match(/up\s+\d{3,}\s+Create users/, output)
assert_match(/down\s+\d{3,}\s+Add email to users/, output)
end
end
test "test migration status after rollback and redo" do
Dir.chdir(app_path) do
`bin/rails generate model user username:string password:string;
bin/rails generate migration add_email_to_users email:string;
bin/rails db:migrate`
output = `bin/rails db:migrate:status`
assert_match(/up\s+\d{14}\s+Create users/, output)
assert_match(/up\s+\d{14}\s+Add email to users/, output)
`bin/rails db:rollback STEP=2`
output = `bin/rails db:migrate:status`
assert_match(/down\s+\d{14}\s+Create users/, output)
assert_match(/down\s+\d{14}\s+Add email to users/, output)
`bin/rails db:migrate:redo`
output = `bin/rails db:migrate:status`
assert_match(/up\s+\d{14}\s+Create users/, output)
assert_match(/up\s+\d{14}\s+Add email to users/, output)
end
end
test "migration status after rollback and redo without timestamps" do
add_to_config("config.active_record.timestamped_migrations = false")
Dir.chdir(app_path) do
`bin/rails generate model user username:string password:string;
bin/rails generate migration add_email_to_users email:string;
bin/rails db:migrate`
output = `bin/rails db:migrate:status`
assert_match(/up\s+\d{3,}\s+Create users/, output)
assert_match(/up\s+\d{3,}\s+Add email to users/, output)
`bin/rails db:rollback STEP=2`
output = `bin/rails db:migrate:status`
assert_match(/down\s+\d{3,}\s+Create users/, output)
assert_match(/down\s+\d{3,}\s+Add email to users/, output)
`bin/rails db:migrate:redo`
output = `bin/rails db:migrate:status`
assert_match(/up\s+\d{3,}\s+Create users/, output)
assert_match(/up\s+\d{3,}\s+Add email to users/, output)
end
end
test "running migrations with not timestamp head migration files" do
Dir.chdir(app_path) do
app_file "db/migrate/1_one_migration.rb", <<-MIGRATION
class OneMigration < ActiveRecord::Migration::Current
end
MIGRATION
app_file "db/migrate/02_two_migration.rb", <<-MIGRATION
class TwoMigration < ActiveRecord::Migration::Current
end
MIGRATION
`bin/rails db:migrate`
output = `bin/rails db:migrate:status`
assert_match(/up\s+001\s+One migration/, output)
assert_match(/up\s+002\s+Two migration/, output)
end
end
test "schema generation when dump_schema_after_migration is set" do
add_to_config("config.active_record.dump_schema_after_migration = false")
Dir.chdir(app_path) do
`bin/rails generate model book title:string`
output = `bin/rails generate model author name:string`
version = output =~ %r{[^/]+db/migrate/(\d+)_create_authors\.rb} && $1
`bin/rails db:migrate db:rollback db:forward db:migrate:up db:migrate:down VERSION=#{version}`
assert !File.exist?("db/schema.rb"), "should not dump schema when configured not to"
end
add_to_config("config.active_record.dump_schema_after_migration = true")
Dir.chdir(app_path) do
`bin/rails generate model reviews book_id:integer`
`bin/rails db:migrate`
structure_dump = File.read("db/schema.rb")
assert_match(/create_table "reviews"/, structure_dump)
end
end
test "default schema generation after migration" do
Dir.chdir(app_path) do
`bin/rails generate model book title:string;
bin/rails db:migrate`
structure_dump = File.read("db/schema.rb")
assert_match(/create_table "books"/, structure_dump)
end
end
test "test migration status migrated file is deleted" do
Dir.chdir(app_path) do
`bin/rails generate model user username:string password:string;
bin/rails generate migration add_email_to_users email:string;
bin/rails db:migrate
rm db/migrate/*email*.rb`
output = `bin/rails db:migrate:status`
File.write("test.txt", output)
assert_match(/up\s+\d{14}\s+Create users/, output)
assert_match(/up\s+\d{14}\s+\** NO FILE \**/, output)
end
end
end
end
end
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