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rails--rails/railties/test/application/test_runner_test.rb
yuuji.yaginuma 933bbb9c37 Remove needless print
It seems to debug print.
2018-02-17 10:08:51 +09:00

914 lines
28 KiB
Ruby

# frozen_string_literal: true
require "isolation/abstract_unit"
require "env_helpers"
module ApplicationTests
class TestRunnerTest < ActiveSupport::TestCase
include ActiveSupport::Testing::Isolation, EnvHelpers
def setup
build_app
create_schema
end
def teardown
teardown_app
end
def test_run_via_backwardscompatibility
require "minitest/rails_plugin"
assert_nothing_raised do
Minitest.run_via[:ruby] = true
end
assert Minitest.run_via[:ruby]
end
def test_run_single_file
create_test_file :models, "foo"
create_test_file :models, "bar"
assert_match "1 runs, 1 assertions, 0 failures", run_test_command("test/models/foo_test.rb")
end
def test_run_single_file_with_absolute_path
create_test_file :models, "foo"
create_test_file :models, "bar"
assert_match "1 runs, 1 assertions, 0 failures", run_test_command("#{app_path}/test/models/foo_test.rb")
end
def test_run_multiple_files
create_test_file :models, "foo"
create_test_file :models, "bar"
assert_match "2 runs, 2 assertions, 0 failures", run_test_command("test/models/foo_test.rb test/models/bar_test.rb")
end
def test_run_multiple_files_with_absolute_paths
create_test_file :models, "foo"
create_test_file :controllers, "foobar_controller"
create_test_file :models, "bar"
assert_match "2 runs, 2 assertions, 0 failures", run_test_command("#{app_path}/test/models/foo_test.rb #{app_path}/test/controllers/foobar_controller_test.rb")
end
def test_run_file_with_syntax_error
app_file "test/models/error_test.rb", <<-RUBY
require 'test_helper'
def; end
RUBY
error = capture(:stderr) { run_test_command("test/models/error_test.rb", stderr: true) }
assert_match "syntax error", error
end
def test_run_models
create_test_file :models, "foo"
create_test_file :models, "bar"
create_test_file :controllers, "foobar_controller"
run_test_command("test/models").tap do |output|
assert_match "FooTest", output
assert_match "BarTest", output
assert_match "2 runs, 2 assertions, 0 failures", output
end
end
def test_run_helpers
create_test_file :helpers, "foo_helper"
create_test_file :helpers, "bar_helper"
create_test_file :controllers, "foobar_controller"
run_test_command("test/helpers").tap do |output|
assert_match "FooHelperTest", output
assert_match "BarHelperTest", output
assert_match "2 runs, 2 assertions, 0 failures", output
end
end
def test_run_units
create_test_file :models, "foo"
create_test_file :helpers, "bar_helper"
create_test_file :unit, "baz_unit"
create_test_file :controllers, "foobar_controller"
rails("test:units").tap do |output|
assert_match "FooTest", output
assert_match "BarHelperTest", output
assert_match "BazUnitTest", output
assert_match "3 runs, 3 assertions, 0 failures", output
end
end
def test_run_controllers
create_test_file :controllers, "foo_controller"
create_test_file :controllers, "bar_controller"
create_test_file :models, "foo"
run_test_command("test/controllers").tap do |output|
assert_match "FooControllerTest", output
assert_match "BarControllerTest", output
assert_match "2 runs, 2 assertions, 0 failures", output
end
end
def test_run_mailers
create_test_file :mailers, "foo_mailer"
create_test_file :mailers, "bar_mailer"
create_test_file :models, "foo"
run_test_command("test/mailers").tap do |output|
assert_match "FooMailerTest", output
assert_match "BarMailerTest", output
assert_match "2 runs, 2 assertions, 0 failures", output
end
end
def test_run_jobs
create_test_file :jobs, "foo_job"
create_test_file :jobs, "bar_job"
create_test_file :models, "foo"
run_test_command("test/jobs").tap do |output|
assert_match "FooJobTest", output
assert_match "BarJobTest", output
assert_match "2 runs, 2 assertions, 0 failures", output
end
end
def test_run_functionals
create_test_file :mailers, "foo_mailer"
create_test_file :controllers, "bar_controller"
create_test_file :functional, "baz_functional"
create_test_file :models, "foo"
rails("test:functionals").tap do |output|
assert_match "FooMailerTest", output
assert_match "BarControllerTest", output
assert_match "BazFunctionalTest", output
assert_match "3 runs, 3 assertions, 0 failures", output
end
end
def test_run_integration
create_test_file :integration, "foo_integration"
create_test_file :models, "foo"
run_test_command("test/integration").tap do |output|
assert_match "FooIntegration", output
assert_match "1 runs, 1 assertions, 0 failures", output
end
end
def test_run_all_suites
suites = [:models, :helpers, :unit, :controllers, :mailers, :functional, :integration, :jobs]
suites.each { |suite| create_test_file suite, "foo_#{suite}" }
run_test_command("") .tap do |output|
suites.each { |suite| assert_match "Foo#{suite.to_s.camelize}Test", output }
assert_match "8 runs, 8 assertions, 0 failures", output
end
end
def test_run_named_test
app_file "test/unit/chu_2_koi_test.rb", <<-RUBY
require 'test_helper'
class Chu2KoiTest < ActiveSupport::TestCase
def test_rikka
puts 'Rikka'
end
def test_sanae
puts 'Sanae'
end
end
RUBY
run_test_command("-n test_rikka test/unit/chu_2_koi_test.rb").tap do |output|
assert_match "Rikka", output
assert_no_match "Sanae", output
end
end
def test_run_matched_test
app_file "test/unit/chu_2_koi_test.rb", <<-RUBY
require 'test_helper'
class Chu2KoiTest < ActiveSupport::TestCase
def test_rikka
puts 'Rikka'
end
def test_sanae
puts 'Sanae'
end
end
RUBY
run_test_command("-n /rikka/ test/unit/chu_2_koi_test.rb").tap do |output|
assert_match "Rikka", output
assert_no_match "Sanae", output
end
end
def test_load_fixtures_when_running_test_suites
create_model_with_fixture
suites = [:models, :helpers, :controllers, :mailers, :integration]
suites.each do |suite, directory|
directory ||= suite
create_fixture_test directory
assert_match "3 users", run_test_command("test/#{suite}")
Dir.chdir(app_path) { FileUtils.rm_f "test/#{directory}" }
end
end
def test_run_with_model
skip "These feel a bit odd. Not sure we should keep supporting them."
create_model_with_fixture
create_fixture_test "models", "user"
assert_match "3 users", run_task(["test models/user"])
assert_match "3 users", run_task(["test app/models/user.rb"])
end
def test_run_different_environment_using_env_var
skip "no longer possible. Running tests in a different environment should be explicit"
app_file "test/unit/env_test.rb", <<-RUBY
require 'test_helper'
class EnvTest < ActiveSupport::TestCase
def test_env
puts Rails.env
end
end
RUBY
ENV["RAILS_ENV"] = "development"
assert_match "development", run_test_command("test/unit/env_test.rb")
end
def test_run_in_test_environment_by_default
create_env_test
assert_match "Current Environment: test", run_test_command("test/unit/env_test.rb")
end
def test_run_different_environment
create_env_test
assert_match "Current Environment: development",
run_test_command("-e development test/unit/env_test.rb")
end
def test_generated_scaffold_works_with_rails_test
create_scaffold
assert_match "0 failures, 0 errors, 0 skips", run_test_command("")
end
def test_generated_controller_works_with_rails_test
create_controller
assert_match "0 failures, 0 errors, 0 skips", run_test_command("")
end
def test_run_multiple_folders
create_test_file :models, "account"
create_test_file :controllers, "accounts_controller"
run_test_command("test/models test/controllers").tap do |output|
assert_match "AccountTest", output
assert_match "AccountsControllerTest", output
assert_match "2 runs, 2 assertions, 0 failures, 0 errors, 0 skips", output
end
end
def test_run_multiple_folders_with_absolute_paths
create_test_file :models, "account"
create_test_file :controllers, "accounts_controller"
create_test_file :helpers, "foo_helper"
run_test_command("#{app_path}/test/models #{app_path}/test/controllers").tap do |output|
assert_match "AccountTest", output
assert_match "AccountsControllerTest", output
assert_match "2 runs, 2 assertions, 0 failures, 0 errors, 0 skips", output
end
end
def test_run_with_ruby_command
app_file "test/models/post_test.rb", <<-RUBY
require 'test_helper'
class PostTest < ActiveSupport::TestCase
test 'declarative syntax works' do
puts 'PostTest'
assert true
end
end
RUBY
Dir.chdir(app_path) do
`ruby -Itest test/models/post_test.rb`.tap do |output|
assert_match "PostTest", output
assert_no_match "is already defined in", output
end
end
end
def test_mix_files_and_line_filters
create_test_file :models, "account"
app_file "test/models/post_test.rb", <<-RUBY
require 'test_helper'
class PostTest < ActiveSupport::TestCase
def test_post
puts 'PostTest'
assert true
end
def test_line_filter_does_not_run_this
assert true
end
end
RUBY
run_test_command("test/models/account_test.rb test/models/post_test.rb:4").tap do |output|
assert_match "AccountTest", output
assert_match "PostTest", output
assert_match "2 runs, 2 assertions", output
end
end
def test_more_than_one_line_filter
app_file "test/models/post_test.rb", <<-RUBY
require 'test_helper'
class PostTest < ActiveSupport::TestCase
test "first filter" do
puts 'PostTest:FirstFilter'
assert true
end
test "second filter" do
puts 'PostTest:SecondFilter'
assert true
end
test "line filter does not run this" do
assert true
end
end
RUBY
run_test_command("test/models/post_test.rb:4:9").tap do |output|
assert_match "PostTest:FirstFilter", output
assert_match "PostTest:SecondFilter", output
assert_match "2 runs, 2 assertions", output
end
end
def test_more_than_one_line_filter_with_multiple_files
app_file "test/models/account_test.rb", <<-RUBY
require 'test_helper'
class AccountTest < ActiveSupport::TestCase
test "first filter" do
puts 'AccountTest:FirstFilter'
assert true
end
test "second filter" do
puts 'AccountTest:SecondFilter'
assert true
end
test "line filter does not run this" do
assert true
end
end
RUBY
app_file "test/models/post_test.rb", <<-RUBY
require 'test_helper'
class PostTest < ActiveSupport::TestCase
test "first filter" do
puts 'PostTest:FirstFilter'
assert true
end
test "second filter" do
puts 'PostTest:SecondFilter'
assert true
end
test "line filter does not run this" do
assert true
end
end
RUBY
run_test_command("test/models/account_test.rb:4:9 test/models/post_test.rb:4:9").tap do |output|
assert_match "AccountTest:FirstFilter", output
assert_match "AccountTest:SecondFilter", output
assert_match "PostTest:FirstFilter", output
assert_match "PostTest:SecondFilter", output
assert_match "4 runs, 4 assertions", output
end
end
def test_multiple_line_filters
create_test_file :models, "account"
create_test_file :models, "post"
run_test_command("test/models/account_test.rb:4 test/models/post_test.rb:4").tap do |output|
assert_match "AccountTest", output
assert_match "PostTest", output
end
end
def test_line_filters_trigger_only_one_runnable
app_file "test/models/post_test.rb", <<-RUBY
require 'test_helper'
class PostTest < ActiveSupport::TestCase
test 'truth' do
assert true
end
end
class SecondPostTest < ActiveSupport::TestCase
test 'truth' do
assert false, 'ran second runnable'
end
end
RUBY
# Pass seed guaranteeing failure.
run_test_command("test/models/post_test.rb:4 --seed 30410").tap do |output|
assert_no_match "ran second runnable", output
assert_match "1 runs, 1 assertions", output
end
end
def test_line_filter_with_minitest_string_filter
app_file "test/models/post_test.rb", <<-RUBY
require 'test_helper'
class PostTest < ActiveSupport::TestCase
test 'by line' do
puts 'by line'
assert true
end
test 'by name' do
puts 'by name'
assert true
end
end
RUBY
run_test_command("test/models/post_test.rb:4 -n test_by_name").tap do |output|
assert_match "by line", output
assert_match "by name", output
assert_match "2 runs, 2 assertions", output
end
end
def test_shows_filtered_backtrace_by_default
create_backtrace_test
assert_match "Rails::BacktraceCleaner", run_test_command("test/unit/backtrace_test.rb")
end
def test_backtrace_option
create_backtrace_test
assert_match "Minitest::BacktraceFilter", run_test_command("test/unit/backtrace_test.rb -b")
assert_match "Minitest::BacktraceFilter",
run_test_command("test/unit/backtrace_test.rb --backtrace")
end
def test_show_full_backtrace_using_backtrace_environment_variable
create_backtrace_test
switch_env "BACKTRACE", "true" do
assert_match "Minitest::BacktraceFilter", run_test_command("test/unit/backtrace_test.rb")
end
end
def test_run_app_without_rails_loaded
# Simulate a real Rails app boot.
app_file "config/boot.rb", <<-RUBY
ENV['BUNDLE_GEMFILE'] ||= File.expand_path('../Gemfile', __dir__)
require 'bundler/setup' # Set up gems listed in the Gemfile.
RUBY
assert_match "0 runs, 0 assertions", run_test_command("")
end
def test_output_inline_by_default
create_test_file :models, "post", pass: false, print: false
output = run_test_command("test/models/post_test.rb")
expect = %r{Running:\n\nF\n\nFailure:\nPostTest#test_truth \[[^\]]+test/models/post_test.rb:6\]:\nwups!\n\nbin/rails test test/models/post_test.rb:4\n\n\n\n}
assert_match expect, output
end
def test_only_inline_failure_output
create_test_file :models, "post", pass: false
output = run_test_command("test/models/post_test.rb")
assert_match %r{Finished in.*\n1 runs, 1 assertions}, output
end
def test_fail_fast
create_test_file :models, "post", pass: false
assert_match(/Interrupt/,
capture(:stderr) { run_test_command("test/models/post_test.rb --fail-fast", stderr: true) })
end
def test_run_in_parallel_with_processes
file_name = create_parallel_processes_test_file
output = run_test_command(file_name)
assert_match %r{Finished in.*\n2 runs, 2 assertions}, output
end
def test_run_in_parallel_with_threads
app_path("/test/test_helper.rb") do |file_name|
file = File.read(file_name)
file.sub!(/parallelize\(([^\)]*)\)/, "parallelize(\\1, with: :threads)")
File.write(file_name, file)
end
file_name = create_parallel_threads_test_file
output = run_test_command(file_name)
assert_match %r{Finished in.*\n2 runs, 2 assertions}, output
end
def test_raise_error_when_specified_file_does_not_exist
error = capture(:stderr) { run_test_command("test/not_exists.rb", stderr: true) }
assert_match(%r{cannot load such file.+test/not_exists\.rb}, error)
end
def test_pass_TEST_env_on_rake_test
create_test_file :models, "account"
create_test_file :models, "post", pass: false
# This specifically verifies TEST for backwards compatibility with rake test
# as bin/rails test already supports running tests from a single file more cleanly.
output = Dir.chdir(app_path) { `bin/rake test TEST=test/models/post_test.rb` }
assert_match "PostTest", output, "passing TEST= should run selected test"
assert_no_match "AccountTest", output, "passing TEST= should only run selected test"
assert_match "1 runs, 1 assertions", output
end
def test_pass_rake_options
create_test_file :models, "account"
output = Dir.chdir(app_path) { `bin/rake --rakefile Rakefile --trace=stdout test` }
assert_match "1 runs, 1 assertions", output
assert_match "Execute test", output
end
def test_rails_db_create_all_restores_db_connection
create_test_file :models, "account"
rails "db:create:all", "db:migrate"
output = Dir.chdir(app_path) { `echo ".tables" | rails dbconsole` }
assert_match "ar_internal_metadata", output, "tables should be dumped"
end
def test_rails_db_create_all_restores_db_connection_after_drop
create_test_file :models, "account"
rails "db:create:all" # create all to avoid warnings
rails "db:drop:all", "db:create:all", "db:migrate"
output = Dir.chdir(app_path) { `echo ".tables" | rails dbconsole` }
assert_match "ar_internal_metadata", output, "tables should be dumped"
end
def test_rake_passes_TESTOPTS_to_minitest
create_test_file :models, "account"
output = Dir.chdir(app_path) { `bin/rake test TESTOPTS=-v` }
assert_match "AccountTest#test_truth", output, "passing TEST= should run selected test"
end
def test_running_with_ruby_gets_test_env_by_default
# Subshells inherit `ENV`, so we need to ensure `RAILS_ENV` is set to
# nil before we run the tests in the test app.
re, ENV["RAILS_ENV"] = ENV["RAILS_ENV"], nil
file = create_test_for_env("test")
results = Dir.chdir(app_path) {
`ruby -Ilib:test #{file}`.each_line.map { |line| JSON.parse line }
}
assert_equal 1, results.length
failures = results.first["failures"]
flunk(failures.first) unless failures.empty?
ensure
ENV["RAILS_ENV"] = re
end
def test_running_with_ruby_can_set_env_via_cmdline
# Subshells inherit `ENV`, so we need to ensure `RAILS_ENV` is set to
# nil before we run the tests in the test app.
re, ENV["RAILS_ENV"] = ENV["RAILS_ENV"], nil
file = create_test_for_env("development")
results = Dir.chdir(app_path) {
`RAILS_ENV=development ruby -Ilib:test #{file}`.each_line.map { |line| JSON.parse line }
}
assert_equal 1, results.length
failures = results.first["failures"]
flunk(failures.first) unless failures.empty?
ensure
ENV["RAILS_ENV"] = re
end
def test_rake_passes_multiple_TESTOPTS_to_minitest
create_test_file :models, "account"
output = Dir.chdir(app_path) { `bin/rake test TESTOPTS='-v --seed=1234'` }
assert_match "AccountTest#test_truth", output, "passing TEST= should run selected test"
assert_match "seed=1234", output, "passing TEST= should run selected test"
end
def test_rake_runs_multiple_test_tasks
create_test_file :models, "account"
create_test_file :controllers, "accounts_controller"
output = Dir.chdir(app_path) { `bin/rake test:models test:controllers TESTOPTS='-v'` }
assert_match "AccountTest#test_truth", output
assert_match "AccountsControllerTest#test_truth", output
end
def test_rake_db_and_test_tasks_parses_args_correctly
create_test_file :models, "account"
output = Dir.chdir(app_path) { `bin/rake db:migrate test:models TESTOPTS='-v' && echo ".tables" | rails dbconsole` }
assert_match "AccountTest#test_truth", output
assert_match "ar_internal_metadata", output
end
def test_warnings_option
app_file "test/models/warnings_test.rb", <<-RUBY
require 'test_helper'
def test_warnings
a = 1
end
RUBY
assert_match(/warning: assigned but unused variable/,
capture(:stderr) { run_test_command("test/models/warnings_test.rb -w", stderr: true) })
end
def test_reset_sessions_before_rollback_on_system_tests
app_file "test/system/reset_session_before_rollback_test.rb", <<-RUBY
require "application_system_test_case"
class ResetSessionBeforeRollbackTest < ApplicationSystemTestCase
def teardown_fixtures
puts "rollback"
super
end
Capybara.singleton_class.prepend(Module.new do
def reset_sessions!
puts "reset sessions"
super
end
end)
test "dummy" do
end
end
RUBY
run_test_command("test/system/reset_session_before_rollback_test.rb").tap do |output|
assert_match "reset sessions\nrollback", output
assert_match "1 runs, 0 assertions, 0 failures, 0 errors, 0 skips", output
end
end
def test_system_tests_are_not_run_with_the_default_test_command
app_file "test/system/dummy_test.rb", <<-RUBY
require "application_system_test_case"
class DummyTest < ApplicationSystemTestCase
test "something" do
assert true
end
end
RUBY
run_test_command("").tap do |output|
assert_match "0 runs, 0 assertions, 0 failures, 0 errors, 0 skips", output
end
end
def test_system_tests_are_not_run_through_rake_test
app_file "test/system/dummy_test.rb", <<-RUBY
require "application_system_test_case"
class DummyTest < ApplicationSystemTestCase
test "something" do
assert true
end
end
RUBY
output = Dir.chdir(app_path) { `bin/rake test` }
assert_match "0 runs, 0 assertions, 0 failures, 0 errors, 0 skips", output
end
def test_system_tests_are_run_through_rake_test_when_given_in_TEST
app_file "test/system/dummy_test.rb", <<-RUBY
require "application_system_test_case"
class DummyTest < ApplicationSystemTestCase
test "something" do
assert true
end
end
RUBY
output = Dir.chdir(app_path) { `bin/rake test TEST=test/system/dummy_test.rb` }
assert_match "1 runs, 1 assertions, 0 failures, 0 errors, 0 skips", output
end
private
def run_test_command(arguments = "test/unit/test_test.rb", **opts)
rails "t", *Shellwords.split(arguments), allow_failure: true, **opts
end
def create_model_with_fixture
rails "generate", "model", "user", "name:string"
app_file "test/fixtures/users.yml", <<~YAML
vampire:
id: 1
name: Koyomi Araragi
crab:
id: 2
name: Senjougahara Hitagi
cat:
id: 3
name: Tsubasa Hanekawa
YAML
run_migration
end
def create_fixture_test(path = :unit, name = "test")
app_file "test/#{path}/#{name}_test.rb", <<-RUBY
require 'test_helper'
class #{name.camelize}Test < ActiveSupport::TestCase
def test_fixture
puts "\#{User.count} users (\#{__FILE__})"
end
end
RUBY
end
def create_backtrace_test
app_file "test/unit/backtrace_test.rb", <<-RUBY
require 'test_helper'
class BacktraceTest < ActiveSupport::TestCase
def test_backtrace
puts Minitest.backtrace_filter
end
end
RUBY
end
def create_schema
app_file "db/schema.rb", ""
end
def create_test_for_env(env)
app_file "test/models/environment_test.rb", <<-RUBY
require 'test_helper'
class JSONReporter < Minitest::AbstractReporter
def record(result)
puts JSON.dump(klass: result.class.name,
name: result.name,
failures: result.failures,
assertions: result.assertions,
time: result.time)
end
end
def Minitest.plugin_json_reporter_init(opts)
Minitest.reporter.reporters.clear
Minitest.reporter.reporters << JSONReporter.new
end
Minitest.extensions << "rails"
Minitest.extensions << "json_reporter"
# Minitest uses RubyGems to find plugins, and since RubyGems
# doesn't know about the Rails installation we're pointing at,
# Minitest won't require the Rails minitest plugin when we run
# these integration tests. So we have to manually require the
# Minitest plugin here.
require 'minitest/rails_plugin'
class EnvironmentTest < ActiveSupport::TestCase
def test_environment
test_db = ActiveRecord::Base.configurations[#{env.dump}]["database"]
db_file = ActiveRecord::Base.connection_config[:database]
assert_match(test_db, db_file)
assert_equal #{env.dump}, ENV["RAILS_ENV"]
end
end
RUBY
end
def create_test_file(path = :unit, name = "test", pass: true, print: true)
app_file "test/#{path}/#{name}_test.rb", <<-RUBY
require 'test_helper'
class #{name.camelize}Test < ActiveSupport::TestCase
def test_truth
puts "#{name.camelize}Test" if #{print}
assert #{pass}, 'wups!'
end
end
RUBY
end
def create_parallel_processes_test_file
app_file "test/models/parallel_test.rb", <<-RUBY
require 'test_helper'
class ParallelTest < ActiveSupport::TestCase
RD1, WR1 = IO.pipe
RD2, WR2 = IO.pipe
test "one" do
WR1.close
assert_equal "x", RD1.read(1) # blocks until two runs
RD2.close
WR2.write "y" # Allow two to run
WR2.close
end
test "two" do
RD1.close
WR1.write "x" # Allow one to run
WR1.close
WR2.close
assert_equal "y", RD2.read(1) # blocks until one runs
end
end
RUBY
end
def create_parallel_threads_test_file
app_file "test/models/parallel_test.rb", <<-RUBY
require 'test_helper'
class ParallelTest < ActiveSupport::TestCase
Q1 = Queue.new
Q2 = Queue.new
test "one" do
assert_equal "x", Q1.pop # blocks until two runs
Q2 << "y"
end
test "two" do
Q1 << "x"
assert_equal "y", Q2.pop # blocks until one runs
end
end
RUBY
end
def create_env_test
app_file "test/unit/env_test.rb", <<-RUBY
require 'test_helper'
class EnvTest < ActiveSupport::TestCase
def test_env
puts "Current Environment: \#{Rails.env}"
end
end
RUBY
end
def create_scaffold
rails "generate", "scaffold", "user", "name:string"
assert File.exist?("#{app_path}/app/models/user.rb")
run_migration
end
def create_controller
rails "generate", "controller", "admin/dashboard", "index"
end
def run_migration
rails "db:migrate"
end
end
end