diff options
Diffstat (limited to 'railties/test/generators/migration_generator_test.rb')
| -rw-r--r-- | railties/test/generators/migration_generator_test.rb | 367 |
1 files changed, 367 insertions, 0 deletions
diff --git a/railties/test/generators/migration_generator_test.rb b/railties/test/generators/migration_generator_test.rb new file mode 100644 index 0000000000..5812cbdfc9 --- /dev/null +++ b/railties/test/generators/migration_generator_test.rb @@ -0,0 +1,367 @@ +# frozen_string_literal: true + +require "generators/generators_test_helper" +require "rails/generators/rails/migration/migration_generator" + +class MigrationGeneratorTest < Rails::Generators::TestCase + include GeneratorsTestHelper + + def test_migration + migration = "change_title_body_from_posts" + run_generator [migration] + assert_migration "db/migrate/#{migration}.rb", /class ChangeTitleBodyFromPosts < ActiveRecord::Migration\[[0-9.]+\]/ + end + + def test_migrations_generated_simultaneously + migrations = ["change_title_body_from_posts", "change_email_from_comments"] + + first_migration_number, second_migration_number = migrations.collect do |migration| + run_generator [migration] + file_name = migration_file_name "db/migrate/#{migration}.rb" + + File.basename(file_name).split("_").first + end + + assert_not_equal first_migration_number, second_migration_number + end + + def test_migration_with_class_name + migration = "ChangeTitleBodyFromPosts" + run_generator [migration] + assert_migration "db/migrate/change_title_body_from_posts.rb", /class #{migration} < ActiveRecord::Migration\[[0-9.]+\]/ + end + + def test_migration_with_invalid_file_name + migration = "add_something:datetime" + assert_raise ActiveRecord::IllegalMigrationNameError do + run_generator [migration] + end + end + + def test_add_migration_with_attributes + migration = "add_title_body_to_posts" + run_generator [migration, "title:string", "body:text"] + + assert_migration "db/migrate/#{migration}.rb" do |content| + assert_method :change, content do |change| + assert_match(/add_column :posts, :title, :string/, change) + assert_match(/add_column :posts, :body, :text/, change) + end + end + end + + def test_add_migration_with_table_having_from_in_title + migration = "add_email_address_to_excluded_from_campaign" + run_generator [migration, "email_address:string"] + + assert_migration "db/migrate/#{migration}.rb" do |content| + assert_method :change, content do |change| + assert_match(/add_column :excluded_from_campaigns, :email_address, :string/, change) + end + end + end + + def test_remove_migration_with_indexed_attribute + migration = "remove_title_body_from_posts" + run_generator [migration, "title:string:index", "body:text"] + + assert_migration "db/migrate/#{migration}.rb" do |content| + assert_method :change, content do |change| + assert_match(/remove_column :posts, :title, :string/, change) + assert_match(/remove_column :posts, :body, :text/, change) + assert_match(/remove_index :posts, :title/, change) + end + end + end + + def test_remove_migration_with_attributes + migration = "remove_title_body_from_posts" + run_generator [migration, "title:string", "body:text"] + + assert_migration "db/migrate/#{migration}.rb" do |content| + assert_method :change, content do |change| + assert_match(/remove_column :posts, :title, :string/, change) + assert_match(/remove_column :posts, :body, :text/, change) + end + end + end + + def test_remove_migration_with_table_having_to_in_title + migration = "remove_email_address_from_sent_to_user" + run_generator [migration, "email_address:string"] + + assert_migration "db/migrate/#{migration}.rb" do |content| + assert_method :change, content do |change| + assert_match(/remove_column :sent_to_users, :email_address, :string/, change) + end + end + end + + def test_remove_migration_with_references_options + migration = "remove_references_from_books" + run_generator [migration, "author:belongs_to", "distributor:references{polymorphic}"] + + assert_migration "db/migrate/#{migration}.rb" do |content| + assert_method :change, content do |change| + assert_match(/remove_reference :books, :author/, change) + assert_match(/remove_reference :books, :distributor, polymorphic: true/, change) + end + end + end + + def test_remove_migration_with_references_removes_foreign_keys + migration = "remove_references_from_books" + run_generator [migration, "author:belongs_to", "distributor:references{polymorphic}"] + + assert_migration "db/migrate/#{migration}.rb" do |content| + assert_method :change, content do |change| + assert_match(/remove_reference :books, :author,.*\sforeign_key: true/, change) + assert_match(/remove_reference :books, :distributor/, change) # sanity check + assert_no_match(/remove_reference :books, :distributor,.*\sforeign_key: true/, change) + end + end + end + + def test_add_migration_with_attributes_and_indices + migration = "add_title_with_index_and_body_to_posts" + run_generator [migration, "title:string:index", "body:text", "user_id:integer:uniq"] + + assert_migration "db/migrate/#{migration}.rb" do |content| + assert_method :change, content do |change| + assert_match(/add_column :posts, :title, :string/, change) + assert_match(/add_column :posts, :body, :text/, change) + assert_match(/add_column :posts, :user_id, :integer/, change) + assert_match(/add_index :posts, :title/, change) + assert_match(/add_index :posts, :user_id, unique: true/, change) + end + end + end + + def test_add_migration_with_attributes_and_wrong_index_declaration + migration = "add_title_and_content_to_books" + run_generator [migration, "title:string:inex", "content:text", "user_id:integer:unik"] + + assert_migration "db/migrate/#{migration}.rb" do |content| + assert_method :change, content do |change| + assert_match(/add_column :books, :title, :string/, change) + assert_match(/add_column :books, :content, :text/, change) + assert_match(/add_column :books, :user_id, :integer/, change) + end + assert_no_match(/add_index :books, :title/, content) + assert_no_match(/add_index :books, :user_id/, content) + end + end + + def test_add_migration_with_attributes_without_type_and_index + migration = "add_title_with_index_and_body_to_posts" + run_generator [migration, "title:index", "body:text", "user_uuid:uniq"] + + assert_migration "db/migrate/#{migration}.rb" do |content| + assert_method :change, content do |change| + assert_match(/add_column :posts, :title, :string/, change) + assert_match(/add_column :posts, :body, :text/, change) + assert_match(/add_column :posts, :user_uuid, :string/, change) + assert_match(/add_index :posts, :title/, change) + assert_match(/add_index :posts, :user_uuid, unique: true/, change) + end + end + end + + def test_add_migration_with_attributes_index_declaration_and_attribute_options + migration = "add_title_and_content_to_books" + run_generator [migration, "title:string{40}:index", "content:string{255}", "price:decimal{1,2}:index", "discount:decimal{3.4}:uniq"] + + assert_migration "db/migrate/#{migration}.rb" do |content| + assert_method :change, content do |change| + assert_match(/add_column :books, :title, :string, limit: 40/, change) + assert_match(/add_column :books, :content, :string, limit: 255/, change) + assert_match(/add_column :books, :price, :decimal, precision: 1, scale: 2/, change) + assert_match(/add_column :books, :discount, :decimal, precision: 3, scale: 4/, change) + end + assert_match(/add_index :books, :title/, content) + assert_match(/add_index :books, :price/, content) + assert_match(/add_index :books, :discount, unique: true/, content) + end + end + + def test_add_migration_with_references_options + migration = "add_references_to_books" + run_generator [migration, "author:belongs_to", "distributor:references{polymorphic}"] + + assert_migration "db/migrate/#{migration}.rb" do |content| + assert_method :change, content do |change| + assert_match(/add_reference :books, :author/, change) + assert_match(/add_reference :books, :distributor, polymorphic: true/, change) + end + end + end + + def test_add_migration_with_required_references + migration = "add_references_to_books" + run_generator [migration, "author:belongs_to{required}", "distributor:references{polymorphic,required}"] + + assert_migration "db/migrate/#{migration}.rb" do |content| + assert_method :change, content do |change| + assert_match(/add_reference :books, :author, null: false/, change) + assert_match(/add_reference :books, :distributor, polymorphic: true, null: false/, change) + end + end + end + + def test_add_migration_with_references_adds_foreign_keys + migration = "add_references_to_books" + run_generator [migration, "author:belongs_to", "distributor:references{polymorphic}"] + + assert_migration "db/migrate/#{migration}.rb" do |content| + assert_method :change, content do |change| + assert_match(/add_reference :books, :author,.*\sforeign_key: true/, change) + assert_match(/add_reference :books, :distributor/, change) # sanity check + assert_no_match(/add_reference :books, :distributor,.*\sforeign_key: true/, change) + end + end + end + + def test_create_join_table_migration + migration = "add_media_join_table" + run_generator [migration, "artist_id", "musics:uniq"] + + assert_migration "db/migrate/#{migration}.rb" do |content| + assert_method :change, content do |change| + assert_match(/create_join_table :artists, :musics/, change) + assert_match(/# t\.index \[:artist_id, :music_id\]/, change) + assert_match(/ t\.index \[:music_id, :artist_id\], unique: true/, change) + end + end + end + + def test_create_table_migration + run_generator ["create_books", "title:string", "content:text"] + assert_migration "db/migrate/create_books.rb" do |content| + assert_method :change, content do |change| + assert_match(/create_table :books/, change) + assert_match(/ t\.string :title/, change) + assert_match(/ t\.text :content/, change) + end + end + end + + def test_add_uuid_to_create_table_migration + run_generator ["create_books", "--primary_key_type=uuid"] + assert_migration "db/migrate/create_books.rb" do |content| + assert_method :change, content do |change| + assert_match(/create_table :books, id: :uuid/, change) + end + end + end + + def test_database_puts_migrations_in_configured_folder + with_secondary_database_configuration do + run_generator ["create_books", "--database=secondary"] + assert_migration "db/secondary_migrate/create_books.rb" do |content| + assert_method :change, content do |change| + assert_match(/create_table :books/, change) + end + end + end + end + + def test_should_create_empty_migrations_if_name_not_start_with_add_or_remove_or_create + migration = "delete_books" + run_generator [migration, "title:string", "content:text"] + + assert_migration "db/migrate/#{migration}.rb" do |content| + assert_method :change, content do |change| + assert_match(/^\s*$/, change) + end + end + end + + def test_properly_identifies_usage_file + assert generator_class.send(:usage_path) + end + + def test_migration_with_singular_table_name + with_singular_table_name do + migration = "add_title_body_to_post" + run_generator [migration, "title:string"] + assert_migration "db/migrate/#{migration}.rb" do |content| + assert_method :change, content do |change| + assert_match(/add_column :post, :title, :string/, change) + end + end + end + end + + def test_create_join_table_migration_with_singular_table_name + with_singular_table_name do + migration = "add_media_join_table" + run_generator [migration, "artist_id", "music:uniq"] + + assert_migration "db/migrate/#{migration}.rb" do |content| + assert_method :change, content do |change| + assert_match(/create_join_table :artist, :music/, change) + assert_match(/# t\.index \[:artist_id, :music_id\]/, change) + assert_match(/ t\.index \[:music_id, :artist_id\], unique: true/, change) + end + end + end + end + + def test_create_table_migration_with_singular_table_name + with_singular_table_name do + run_generator ["create_book", "title:string", "content:text"] + assert_migration "db/migrate/create_book.rb" do |content| + assert_method :change, content do |change| + assert_match(/create_table :book/, change) + assert_match(/ t\.string :title/, change) + assert_match(/ t\.text :content/, change) + end + end + end + end + + def test_create_table_migration_with_token_option + run_generator ["create_users", "token:token", "auth_token:token"] + assert_migration "db/migrate/create_users.rb" do |content| + assert_method :change, content do |change| + assert_match(/create_table :users/, change) + assert_match(/ t\.string :token/, change) + assert_match(/ t\.string :auth_token/, change) + assert_match(/add_index :users, :token, unique: true/, change) + assert_match(/add_index :users, :auth_token, unique: true/, change) + end + end + end + + def test_add_migration_with_token_option + migration = "add_token_to_users" + run_generator [migration, "auth_token:token"] + assert_migration "db/migrate/#{migration}.rb" do |content| + assert_method :change, content do |change| + assert_match(/add_column :users, :auth_token, :string/, change) + assert_match(/add_index :users, :auth_token, unique: true/, change) + end + end + end + + def test_add_migration_to_configured_path + old_paths = Rails.application.config.paths["db/migrate"] + Rails.application.config.paths.add "db/migrate", with: "db2/migrate" + + migration = "migration_in_custom_path" + run_generator [migration] + assert_migration "db2/migrate/#{migration}.rb", /.*/ + ensure + Rails.application.config.paths["db/migrate"] = old_paths + end + + private + + def with_singular_table_name + old_state = ActiveRecord::Base.pluralize_table_names + ActiveRecord::Base.pluralize_table_names = false + yield + ensure + ActiveRecord::Base.pluralize_table_names = old_state + end +end |