2010-01-04 18:13:45 -05:00
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require 'isolation/abstract_unit'
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module ApplicationTests
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2012-01-05 20:30:17 -05:00
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class TestTest < ActiveSupport::TestCase
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2010-01-04 18:13:45 -05:00
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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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2011-06-06 08:54:05 -04:00
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def teardown
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teardown_app
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end
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2010-01-04 18:13:45 -05:00
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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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2013-10-28 08:44:17 -04:00
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assert_successful_test_run 'unit/foo_test.rb'
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2010-01-04 18:13:45 -05:00
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end
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2010-01-05 12:47:10 -05:00
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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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2010-09-24 20:15:52 -04:00
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class PostsTest < ActionDispatch::IntegrationTest
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2010-01-05 12:47:10 -05:00
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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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2013-10-28 08:44:17 -04:00
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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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2015-01-23 22:57:52 -05:00
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assert_match %r{/app/test/unit/failing_test\.rb:4}, output
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2010-01-05 12:47:10 -05:00
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end
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2014-07-24 08:46:25 -04:00
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test "ruby schema migrations" do
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2013-12-29 06:05:04 -05:00
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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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2014-07-24 08:46:25 -04:00
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test "sql structure 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/structure.sql', ''
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app_file 'config/initializers/enable_sql_schema_format.rb', <<-RUBY
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Rails.application.config.active_record.schema_format = :sql
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RUBY
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assert_unsuccessful_run "models/user_test.rb", "Migrations are pending"
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app_file 'db/structure.sql', <<-SQL
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CREATE TABLE "schema_migrations" ("version" varchar(255) NOT NULL);
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CREATE UNIQUE INDEX "unique_schema_migrations" ON "schema_migrations" ("version");
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CREATE TABLE "users" ("id" INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, "name" varchar(255));
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INSERT INTO schema_migrations (version) VALUES ('#{version}');
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SQL
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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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assert_successful_test_run('models/user_test.rb')
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end
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test "sql structure migrations when adding column to existing table" do
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output_1 = script('generate model user name:string')
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version_1 = output_1.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 'config/initializers/enable_sql_schema_format.rb', <<-RUBY
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Rails.application.config.active_record.schema_format = :sql
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RUBY
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app_file 'db/structure.sql', <<-SQL
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CREATE TABLE "schema_migrations" ("version" varchar(255) NOT NULL);
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CREATE UNIQUE INDEX "unique_schema_migrations" ON "schema_migrations" ("version");
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CREATE TABLE "users" ("id" INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, "name" varchar(255));
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INSERT INTO schema_migrations (version) VALUES ('#{version_1}');
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SQL
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assert_successful_test_run('models/user_test.rb')
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output_2 = script('generate migration add_email_to_users')
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version_2 = output_2.match(/(\d+)_add_email_to_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", email: "jon@doe.com"
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end
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end
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RUBY
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app_file 'db/structure.sql', <<-SQL
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CREATE TABLE "schema_migrations" ("version" varchar(255) NOT NULL);
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CREATE UNIQUE INDEX "unique_schema_migrations" ON "schema_migrations" ("version");
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CREATE TABLE "users" ("id" INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, "name" varchar(255), "email" varchar(255));
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INSERT INTO schema_migrations (version) VALUES ('#{version_1}');
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INSERT INTO schema_migrations (version) VALUES ('#{version_2}');
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SQL
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assert_successful_test_run('models/user_test.rb')
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end
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2014-11-24 06:04:01 -05:00
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# TODO: would be nice if we could detect the schema change automatically.
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# For now, the user has to synchronize the schema manually.
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# This test-case serves as a reminder for this use-case.
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test "manually synchronize test schema after rollback" 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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assert_equal ["id", "name"], User.columns_hash.keys
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end
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end
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RUBY
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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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assert_successful_test_run "models/user_test.rb"
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# Simulate `db:rollback` + edit of the migration file + `db:migrate`
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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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t.integer :age
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end
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end
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RUBY
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assert_successful_test_run "models/user_test.rb"
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Dir.chdir(app_path) { `bin/rake db:test:prepare` }
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assert_unsuccessful_run "models/user_test.rb", <<-ASSERTION
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Expected: ["id", "name"]
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Actual: ["id", "name", "age"]
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ASSERTION
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end
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test "hooks for plugins" 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 'lib/tasks/hooks.rake', <<-RUBY
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task :before_hook do
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has_user_table = ActiveRecord::Base.connection.table_exists?('users')
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puts "before: " + has_user_table.to_s
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end
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task :after_hook do
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has_user_table = ActiveRecord::Base.connection.table_exists?('users')
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puts "after: " + has_user_table.to_s
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end
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Rake::Task["db:test:prepare"].enhance [:before_hook] do
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Rake::Task[:after_hook].invoke
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end
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RUBY
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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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# Simulate `db:migrate`
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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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output = assert_successful_test_run "models/user_test.rb"
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assert_includes output, "before: false\nafter: true"
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# running tests again won't trigger a schema update
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output = assert_successful_test_run "models/user_test.rb"
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assert_not_includes output, "before:"
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assert_not_includes output, "after:"
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end
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2010-01-04 18:13:45 -05:00
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private
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2013-12-29 06:05:04 -05:00
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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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2013-10-28 08:44:17 -04:00
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def assert_successful_test_run(name)
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result = run_test_file(name)
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2010-01-04 18:13:45 -05:00
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assert_equal 0, $?.to_i, result
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2013-12-29 06:05:04 -05:00
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result
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2010-01-04 18:13:45 -05:00
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end
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2013-10-28 08:44:17 -04:00
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def run_test_file(name, options = {})
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2015-03-05 09:19:09 -05:00
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Dir.chdir(app_path) { `bin/rails test "#{app_path}/test/#{name}" 2>&1` }
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2013-10-28 08:44:17 -04:00
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end
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2010-01-04 18:13:45 -05:00
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end
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end
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