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require "isolation/abstract_unit"
module ApplicationTests
module RakeTests
class RakeMigrationsTest < ActiveSupport::TestCase
def setup
build_app
boot_rails
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
`rails generate model user username:string password:string`
app_file "db/migrate/01_a_migration.bukkits.rb", <<-MIGRATION
class AMigration < ActiveRecord::Migration
end
MIGRATION
output = `rake 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 = `rake 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
`rails generate model user username:string password:string;
rails generate migration add_email_to_users email:string`
output = `rake 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 = `rake 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){ `rake db:migrate:status` }
assert_equal "Schema migrations table does not exist yet.\n", output
end
test 'test migration status' do
Dir.chdir(app_path) do
`rails generate model user username:string password:string;
rails generate migration add_email_to_users email:string;
rake db:migrate`
output = `rake 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)
`rake db:rollback STEP=1`
output = `rake 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
`rails generate model user username:string password:string;
rails generate migration add_email_to_users email:string;
rake db:migrate`
output = `rake 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)
`rake db:rollback STEP=1`
output = `rake 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
`rails generate model user username:string password:string;
rails generate migration add_email_to_users email:string;
rake db:migrate`
output = `rake 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)
`rake db:rollback STEP=2`
output = `rake 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)
`rake db:migrate:redo`
output = `rake 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
`rails generate model user username:string password:string;
rails generate migration add_email_to_users email:string;
rake db:migrate`
output = `rake 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)
`rake db:rollback STEP=2`
output = `rake 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)
`rake db:migrate:redo`
output = `rake 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 '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
`rails generate model book title:string;
bundle exec rake db:migrate`
assert !File.exist?("db/schema.rb")
end
add_to_config('config.active_record.dump_schema_after_migration = true')
Dir.chdir(app_path) do
`rails generate model author name:string;
bundle exec rake db:migrate`
structure_dump = File.read("db/schema.rb")
assert_match(/create_table "authors"/, structure_dump)
end
end
test 'default schema generation after migration' do
Dir.chdir(app_path) do
`rails generate model book title:string;
bundle exec rake db:migrate`
structure_dump = File.read("db/schema.rb")
assert_match(/create_table "books"/, structure_dump)
end
end
end
end
end
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