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ff7ab3bc78
* Move check from generated helper to test_help.rb, so that all applications can benefit * Rather than just raising when the test schema has pending migrations, try to load in the schema and only raise if there are pending migrations afterwards * Opt out of the check by setting config.active_record.maintain_test_schema = false * Deprecate db:test:* tasks. The test helper is now fully responsible for maintaining the test schema, so we don't need rake tasks for this. This is also a speed improvement since we're no longer reloading the test database on every call to "rake test".
141 lines
3.5 KiB
Ruby
141 lines
3.5 KiB
Ruby
require 'isolation/abstract_unit'
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module ApplicationTests
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class TestTest < ActiveSupport::TestCase
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include ActiveSupport::Testing::Isolation
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def setup
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build_app
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boot_rails
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end
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def teardown
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teardown_app
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end
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test "truth" do
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app_file 'test/unit/foo_test.rb', <<-RUBY
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require 'test_helper'
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class FooTest < ActiveSupport::TestCase
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def test_truth
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assert true
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end
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end
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RUBY
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assert_successful_test_run 'unit/foo_test.rb'
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end
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test "integration test" do
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controller 'posts', <<-RUBY
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class PostsController < ActionController::Base
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end
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RUBY
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app_file 'app/views/posts/index.html.erb', <<-HTML
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Posts#index
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HTML
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app_file 'test/integration/posts_test.rb', <<-RUBY
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require 'test_helper'
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class PostsTest < ActionDispatch::IntegrationTest
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def test_index
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get '/posts'
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assert_response :success
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assert_template "index"
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end
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end
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RUBY
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assert_successful_test_run 'integration/posts_test.rb'
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end
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test "enable full backtraces on test failures" do
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app_file 'test/unit/failing_test.rb', <<-RUBY
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require 'test_helper'
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class FailingTest < ActiveSupport::TestCase
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def test_failure
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raise "fail"
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end
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end
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RUBY
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output = run_test_file('unit/failing_test.rb', env: { "BACKTRACE" => "1" })
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assert_match %r{/app/test/unit/failing_test\.rb}, output
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end
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test "migrations" do
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output = script('generate model user name:string')
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version = output.match(/(\d+)_create_users\.rb/)[1]
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app_file 'test/models/user_test.rb', <<-RUBY
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require 'test_helper'
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class UserTest < ActiveSupport::TestCase
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test "user" do
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User.create! name: "Jon"
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end
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end
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RUBY
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app_file 'db/schema.rb', ''
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assert_unsuccessful_run "models/user_test.rb", "Migrations are pending"
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app_file 'db/schema.rb', <<-RUBY
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ActiveRecord::Schema.define(version: #{version}) do
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create_table :users do |t|
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t.string :name
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end
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end
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RUBY
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app_file 'config/initializers/disable_maintain_test_schema.rb', <<-RUBY
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Rails.application.config.active_record.maintain_test_schema = false
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RUBY
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assert_unsuccessful_run "models/user_test.rb", "Could not find table 'users'"
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File.delete "#{app_path}/config/initializers/disable_maintain_test_schema.rb"
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result = assert_successful_test_run('models/user_test.rb')
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assert !result.include?("create_table(:users)")
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end
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private
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def assert_unsuccessful_run(name, message)
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result = run_test_file(name)
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assert_not_equal 0, $?.to_i
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assert result.include?(message)
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result
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end
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def assert_successful_test_run(name)
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result = run_test_file(name)
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assert_equal 0, $?.to_i, result
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result
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end
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def run_test_file(name, options = {})
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ruby '-Itest', "#{app_path}/test/#{name}", options
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end
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def ruby(*args)
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options = args.extract_options!
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env = options.fetch(:env, {})
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env["RUBYLIB"] = $:.join(':')
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Dir.chdir(app_path) do
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`#{env_string(env)} #{Gem.ruby} #{args.join(' ')} 2>&1`
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end
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end
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def env_string(variables)
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variables.map do |key, value|
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"#{key}='#{value}'"
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end.join " "
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end
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end
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end
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