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rails--rails/railties/test/generators/model_generator_test.rb

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require 'generators/generators_test_helper'
require 'rails/generators/rails/model/model_generator'
require 'active_support/core_ext/string/strip'
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class ModelGeneratorTest < Rails::Generators::TestCase
include GeneratorsTestHelper
arguments %w(Account name:string age:integer)
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def test_help_shows_invoked_generators_options
content = run_generator ["--help"]
assert_match(/ActiveRecord options:/, content)
assert_match(/TestUnit options:/, content)
end
def test_model_with_missing_attribute_type
run_generator ["post", "title", "body:text", "author"]
assert_migration "db/migrate/create_posts.rb" do |m|
assert_method :change, m do |up|
assert_match(/t\.string :title/, up)
assert_match(/t\.text :body/, up)
assert_match(/t\.string :author/, up)
end
end
end
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def test_invokes_default_orm
run_generator
assert_file "app/models/account.rb", /class Account < ActiveRecord::Base/
end
def test_model_with_parent_option
run_generator ["account", "--parent", "Admin::Account"]
assert_file "app/models/account.rb", /class Account < Admin::Account/
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assert_no_migration "db/migrate/create_accounts.rb"
end
def test_model_with_existent_application_record
mkdir_p "#{destination_root}/app/models"
touch "#{destination_root}/app/models/application_record.rb"
Dir.chdir(destination_root) do
run_generator ["account"]
end
assert_file "app/models/account.rb", /class Account < ApplicationRecord/
end
def test_plural_names_are_singularized
content = run_generator ["accounts".freeze]
assert_file "app/models/account.rb", /class Account < ActiveRecord::Base/
assert_file "test/models/account_test.rb", /class AccountTest/
assert_match(/\[WARNING\] The model name 'accounts' was recognized as a plural, using the singular 'account' instead\. Override with --force-plural or setup custom inflection rules for this noun before running the generator\./, content)
end
def test_model_with_underscored_parent_option
run_generator ["account", "--parent", "admin/account"]
assert_file "app/models/account.rb", /class Account < Admin::Account/
end
def test_model_with_namespace
run_generator ["admin/account"]
assert_file "app/models/admin.rb", /module Admin/
assert_file "app/models/admin.rb", /def self\.table_name_prefix/
assert_file "app/models/admin.rb", /'admin_'/
assert_file "app/models/admin/account.rb", /class Admin::Account < ActiveRecord::Base/
end
def test_migration
run_generator
assert_migration "db/migrate/create_accounts.rb", /class CreateAccounts < ActiveRecord::Migration\[[0-9.]+\]/
end
def test_migration_with_namespace
run_generator ["Gallery::Image"]
assert_migration "db/migrate/create_gallery_images", /class CreateGalleryImages < ActiveRecord::Migration\[[0-9.]+\]/
assert_no_migration "db/migrate/create_images"
end
def test_migration_with_nested_namespace
run_generator ["Admin::Gallery::Image"]
assert_no_migration "db/migrate/create_images"
assert_no_migration "db/migrate/create_gallery_images"
assert_migration "db/migrate/create_admin_gallery_images", /class CreateAdminGalleryImages < ActiveRecord::Migration\[[0-9.]+\]/
assert_migration "db/migrate/create_admin_gallery_images", /create_table :admin_gallery_images/
end
def test_migration_with_nested_namespace_without_pluralization
ActiveRecord::Base.pluralize_table_names = false
run_generator ["Admin::Gallery::Image"]
assert_no_migration "db/migrate/create_images"
assert_no_migration "db/migrate/create_gallery_images"
assert_no_migration "db/migrate/create_admin_gallery_images"
assert_migration "db/migrate/create_admin_gallery_image", /class CreateAdminGalleryImage < ActiveRecord::Migration\[[0-9.]+\]/
assert_migration "db/migrate/create_admin_gallery_image", /create_table :admin_gallery_image/
ensure
ActiveRecord::Base.pluralize_table_names = true
end
def test_migration_with_namespaces_in_model_name_without_plurization
ActiveRecord::Base.pluralize_table_names = false
run_generator ["Gallery::Image"]
assert_migration "db/migrate/create_gallery_image", /class CreateGalleryImage < ActiveRecord::Migration\[[0-9.]+\]/
assert_no_migration "db/migrate/create_gallery_images"
ensure
ActiveRecord::Base.pluralize_table_names = true
end
def test_migration_without_pluralization
ActiveRecord::Base.pluralize_table_names = false
run_generator
assert_migration "db/migrate/create_account", /class CreateAccount < ActiveRecord::Migration\[[0-9.]+\]/
assert_no_migration "db/migrate/create_accounts"
ensure
ActiveRecord::Base.pluralize_table_names = true
end
def test_migration_is_skipped
run_generator ["account", "--no-migration"]
assert_no_migration "db/migrate/create_accounts.rb"
end
def test_migration_with_attributes
run_generator ["product", "name:string", "supplier_id:integer"]
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assert_migration "db/migrate/create_products.rb" do |m|
assert_method :change, m do |up|
assert_match(/create_table :products/, up)
assert_match(/t\.string :name/, up)
assert_match(/t\.integer :supplier_id/, up)
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end
end
end
def test_migration_with_attributes_and_with_index
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run_generator ["product", "name:string:index", "supplier_id:integer:index", "user_id:integer:uniq", "order_id:uniq"]
assert_migration "db/migrate/create_products.rb" do |m|
assert_method :change, m do |up|
assert_match(/create_table :products/, up)
assert_match(/t\.string :name/, up)
assert_match(/t\.integer :supplier_id/, up)
assert_match(/t\.integer :user_id/, up)
assert_match(/t\.string :order_id/, up)
assert_match(/add_index :products, :name/, up)
assert_match(/add_index :products, :supplier_id/, up)
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assert_match(/add_index :products, :user_id, unique: true/, up)
assert_match(/add_index :products, :order_id, unique: true/, up)
end
end
end
def test_migration_with_attributes_and_with_wrong_index_declaration
run_generator ["product", "name:string", "supplier_id:integer:inex", "user_id:integer:unqu"]
assert_migration "db/migrate/create_products.rb" do |m|
assert_method :change, m do |up|
assert_match(/create_table :products/, up)
assert_match(/t\.string :name/, up)
assert_match(/t\.integer :supplier_id/, up)
assert_match(/t\.integer :user_id/, up)
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assert_no_match(/add_index :products, :name/, up)
assert_no_match(/add_index :products, :supplier_id/, up)
assert_no_match(/add_index :products, :user_id/, up)
end
end
end
def test_migration_with_missing_attribute_type_and_with_index
run_generator ["product", "name:index", "supplier_id:integer:index", "year:integer"]
assert_migration "db/migrate/create_products.rb" do |m|
assert_method :change, m do |up|
assert_match(/create_table :products/, up)
assert_match(/t\.string :name/, up)
assert_match(/t\.integer :supplier_id/, up)
assert_match(/add_index :products, :name/, up)
assert_match(/add_index :products, :supplier_id/, up)
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assert_no_match(/add_index :products, :year/, up)
end
end
end
def test_add_migration_with_attributes_index_declaration_and_attribute_options
run_generator ["product", "title:string{40}:index", "content:string{255}", "price:decimal{5,2}:index", "discount:decimal{5,2}:uniq", "supplier:references{polymorphic}"]
assert_migration "db/migrate/create_products.rb" do |content|
assert_method :change, content do |up|
assert_match(/create_table :products/, up)
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assert_match(/t.string :title, limit: 40/, up)
assert_match(/t.string :content, limit: 255/, up)
assert_match(/t.decimal :price, precision: 5, scale: 2/, up)
assert_match(/t.references :supplier, polymorphic: true/, up)
end
assert_match(/add_index :products, :title/, content)
assert_match(/add_index :products, :price/, content)
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assert_match(/add_index :products, :discount, unique: true/, content)
end
end
def test_migration_without_timestamps
ActiveRecord::Base.timestamped_migrations = false
run_generator ["account"]
assert_file "db/migrate/001_create_accounts.rb", /class CreateAccounts < ActiveRecord::Migration\[[0-9.]+\]/
run_generator ["project"]
assert_file "db/migrate/002_create_projects.rb", /class CreateProjects < ActiveRecord::Migration\[[0-9.]+\]/
ensure
ActiveRecord::Base.timestamped_migrations = true
end
def test_model_with_references_attribute_generates_belongs_to_associations
run_generator ["product", "name:string", "supplier:references"]
assert_file "app/models/product.rb", /belongs_to :supplier/
end
def test_model_with_belongs_to_attribute_generates_belongs_to_associations
run_generator ["product", "name:string", "supplier:belongs_to"]
assert_file "app/models/product.rb", /belongs_to :supplier/
end
def test_model_with_polymorphic_references_attribute_generates_belongs_to_associations
run_generator ["product", "name:string", "supplier:references{polymorphic}"]
assert_file "app/models/product.rb", /belongs_to :supplier, polymorphic: true/
end
def test_model_with_polymorphic_belongs_to_attribute_generates_belongs_to_associations
run_generator ["product", "name:string", "supplier:belongs_to{polymorphic}"]
assert_file "app/models/product.rb", /belongs_to :supplier, polymorphic: true/
end
def test_migration_with_timestamps
run_generator
assert_migration "db/migrate/create_accounts.rb", /t.timestamps/
end
def test_migration_timestamps_are_skipped
run_generator ["account", "--no-timestamps"]
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assert_migration "db/migrate/create_accounts.rb" do |m|
assert_method :change, m do |up|
assert_no_match(/t.timestamps/, up)
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end
end
end
def test_migration_is_skipped_with_skip_option
run_generator
output = run_generator ["Account", "--skip"]
assert_match %r{skip\s+db/migrate/\d+_create_accounts.rb}, output
end
def test_migration_is_ignored_as_identical_with_skip_option
run_generator ["Account"]
output = run_generator ["Account", "--skip"]
assert_match %r{identical\s+db/migrate/\d+_create_accounts.rb}, output
end
def test_migration_is_skipped_on_skip_behavior
run_generator
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output = run_generator ["Account"], behavior: :skip
assert_match %r{skip\s+db/migrate/\d+_create_accounts.rb}, output
end
def test_migration_error_is_not_shown_on_revoke
run_generator
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error = capture(:stderr){ run_generator ["Account"], behavior: :revoke }
assert_no_match(/Another migration is already named create_accounts/, error)
end
def test_migration_is_removed_on_revoke
run_generator
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run_generator ["Account"], behavior: :revoke
assert_no_migration "db/migrate/create_accounts.rb"
end
def test_existing_migration_is_removed_on_force
run_generator
old_migration = Dir["#{destination_root}/db/migrate/*_create_accounts.rb"].first
error = capture(:stderr) { run_generator ["Account", "--force"] }
assert_no_match(/Another migration is already named create_accounts/, error)
assert_no_file old_migration
assert_migration "db/migrate/create_accounts.rb"
end
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def test_invokes_default_test_framework
run_generator
assert_file "test/models/account_test.rb", /class AccountTest < ActiveSupport::TestCase/
assert_file "test/fixtures/accounts.yml", /name: MyString/, /age: 1/
assert_generated_fixture("test/fixtures/accounts.yml",
{"one"=>{"name"=>"MyString", "age"=>1}, "two"=>{"name"=>"MyString", "age"=>1}})
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end
def test_fixtures_use_the_references_ids
run_generator ["LineItem", "product:references", "cart:belongs_to"]
assert_file "test/fixtures/line_items.yml", /product: \n cart: /
assert_generated_fixture("test/fixtures/line_items.yml",
{"one"=>{"product"=>nil, "cart"=>nil}, "two"=>{"product"=>nil, "cart"=>nil}})
end
def test_fixtures_use_the_references_ids_and_type
run_generator ["LineItem", "product:references{polymorphic}", "cart:belongs_to"]
assert_file "test/fixtures/line_items.yml", /product: \n product_type: Product\n cart: /
assert_generated_fixture("test/fixtures/line_items.yml",
{"one"=>{"product"=>nil, "product_type"=>"Product", "cart"=>nil},
"two"=>{"product"=>nil, "product_type"=>"Product", "cart"=>nil}})
end
def test_fixtures_respect_reserved_yml_keywords
run_generator ["LineItem", "no:integer", "Off:boolean", "ON:boolean"]
assert_generated_fixture("test/fixtures/line_items.yml",
{"one"=>{"no"=>1, "Off"=>false, "ON"=>false}, "two"=>{"no"=>1, "Off"=>false, "ON"=>false}})
end
def test_fixture_is_skipped
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run_generator ["account", "--skip-fixture"]
assert_no_file "test/fixtures/accounts.yml"
end
def test_fixture_is_skipped_if_fixture_replacement_is_given
content = run_generator ["account", "-r", "factory_girl"]
assert_match(/factory_girl \[not found\]/, content)
assert_no_file "test/fixtures/accounts.yml"
end
def test_fixture_without_pluralization
original_pluralize_table_name = ActiveRecord::Base.pluralize_table_names
ActiveRecord::Base.pluralize_table_names = false
run_generator
assert_generated_fixture("test/fixtures/account.yml",
{"one"=>{"name"=>"MyString", "age"=>1}, "two"=>{"name"=>"MyString", "age"=>1}})
ensure
ActiveRecord::Base.pluralize_table_names = original_pluralize_table_name
end
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def test_check_class_collision
content = capture(:stderr){ run_generator ["object"] }
assert_match(/The name 'Object' is either already used in your application or reserved/, content)
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end
def test_index_is_added_for_belongs_to_association
run_generator ["account", "supplier:belongs_to"]
assert_migration "db/migrate/create_accounts.rb" do |m|
assert_method :change, m do |up|
assert_match(/index: true/, up)
end
end
end
def test_index_is_added_for_references_association
run_generator ["account", "supplier:references"]
assert_migration "db/migrate/create_accounts.rb" do |m|
assert_method :change, m do |up|
assert_match(/index: true/, up)
end
end
end
def test_index_is_skipped_for_belongs_to_association
run_generator ["account", "supplier:belongs_to", "--no-indexes"]
assert_migration "db/migrate/create_accounts.rb" do |m|
assert_method :change, m do |up|
assert_no_match(/index: true/, up)
end
end
end
def test_index_is_skipped_for_references_association
run_generator ["account", "supplier:references", "--no-indexes"]
assert_migration "db/migrate/create_accounts.rb" do |m|
assert_method :change, m do |up|
assert_no_match(/index: true/, up)
end
end
end
def test_add_uuid_to_create_table_migration
run_generator ["account", "--primary_key_type=uuid"]
assert_migration "db/migrate/create_accounts.rb" do |content|
assert_method :change, content do |change|
assert_match(/create_table :accounts, id: :uuid/, change)
end
end
end
def test_required_belongs_to_adds_required_association
run_generator ["account", "supplier:references{required}"]
expected_file = <<-FILE.strip_heredoc
class Account < ActiveRecord::Base
belongs_to :supplier, required: true
end
FILE
assert_file "app/models/account.rb", expected_file
end
def test_required_polymorphic_belongs_to_generages_correct_model
run_generator ["account", "supplier:references{required,polymorphic}"]
expected_file = <<-FILE.strip_heredoc
class Account < ActiveRecord::Base
belongs_to :supplier, polymorphic: true, required: true
end
FILE
assert_file "app/models/account.rb", expected_file
end
def test_required_and_polymorphic_are_order_independent
run_generator ["account", "supplier:references{polymorphic.required}"]
expected_file = <<-FILE.strip_heredoc
class Account < ActiveRecord::Base
belongs_to :supplier, polymorphic: true, required: true
end
FILE
assert_file "app/models/account.rb", expected_file
end
def test_required_adds_null_false_to_column
run_generator ["account", "supplier:references{required}"]
assert_migration "db/migrate/create_accounts.rb" do |m|
assert_method :change, m do |up|
assert_match(/t\.references :supplier,.*\snull: false/, up)
end
end
end
def test_foreign_key_is_not_added_for_non_references
run_generator ["account", "supplier:string"]
assert_migration "db/migrate/create_accounts.rb" do |m|
assert_method :change, m do |up|
assert_no_match(/foreign_key/, up)
end
end
end
def test_foreign_key_is_added_for_references
run_generator ["account", "supplier:belongs_to", "user:references"]
assert_migration "db/migrate/create_accounts.rb" do |m|
assert_method :change, m do |up|
assert_match(/t\.belongs_to :supplier,.*\sforeign_key: true/, up)
assert_match(/t\.references :user,.*\sforeign_key: true/, up)
end
end
end
def test_foreign_key_is_skipped_for_polymorphic_references
run_generator ["account", "supplier:belongs_to{polymorphic}"]
assert_migration "db/migrate/create_accounts.rb" do |m|
assert_method :change, m do |up|
assert_no_match(/foreign_key/, up)
end
end
end
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def test_token_option_adds_has_secure_token
run_generator ["user", "token:token", "auth_token:token"]
expected_file = <<-FILE.strip_heredoc
class User < ActiveRecord::Base
has_secure_token
has_secure_token :auth_token
end
FILE
assert_file "app/models/user.rb", expected_file
end
private
def assert_generated_fixture(path, parsed_contents)
fixture_file = File.new File.expand_path(path, destination_root)
assert_equal(parsed_contents, YAML.load(fixture_file))
end
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end