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# frozen_string_literal: true
require "abstract_unit"
require "active_support/testing/stream"
require "active_support/testing/method_call_assertions"
require "rails/generators"
require "rails/generators/test_case"
require "rails/generators/app_base"
Rails.application.config.generators.templates = [File.expand_path("../fixtures/lib/templates", __dir__)]
# Call configure to load the settings from
# Rails.application.config.generators to Rails::Generators
Rails.application.load_generators
require "active_record"
require "action_dispatch"
require "action_view"
module GeneratorsTestHelper
include ActiveSupport::Testing::Stream
include ActiveSupport::Testing::MethodCallAssertions
def self.included(base)
base.class_eval do
destination File.expand_path("../fixtures/tmp", __dir__)
setup :prepare_destination
setup { Rails.application.config.root = Pathname("../fixtures").expand_path(__dir__) }
setup { @original_rakeopt, ENV["RAKEOPT"] = ENV["RAKEOPT"], "--silent" }
teardown { ENV["RAKEOPT"] = @original_rakeopt }
begin
base.tests Rails::Generators.const_get(base.name.delete_suffix("Test"))
rescue
end
end
end
def run_generator_instance
capture(:stdout) do
generator.invoke_all
end
end
def with_database_configuration(database_name = "secondary")
original_configurations = ActiveRecord::Base.configurations
ActiveRecord::Base.configurations = {
test: {
"#{database_name}": {
adapter: "sqlite3",
database: "db/#{database_name}.sqlite3",
migrations_paths: "db/#{database_name}_migrate",
},
},
}
yield
ensure
ActiveRecord::Base.configurations = original_configurations
end
def copy_routes
routes = File.expand_path("../../lib/rails/generators/rails/app/templates/config/routes.rb.tt", __dir__)
routes = evaluate_template(routes, {
options: ActiveSupport::OrderedOptions.new
})
destination = File.join(destination_root, "config")
FileUtils.mkdir_p(destination)
File.write File.join(destination, "routes.rb"), routes
end
def copy_gemfile(*gemfile_entries)
locals = gemfile_locals.merge(gemfile_entries: gemfile_entries)
gemfile = File.expand_path("../../lib/rails/generators/rails/app/templates/Gemfile.tt", __dir__)
gemfile = evaluate_template(gemfile, locals)
destination = File.join(destination_root)
File.write File.join(destination, "Gemfile"), gemfile
end
def copy_dockerfile
dockerfile = File.expand_path("../fixtures/Dockerfile.test", __dir__)
dockerfile = evaluate_template_docker(dockerfile)
destination = File.join(destination_root)
File.write File.join(destination, "Dockerfile"), dockerfile
end
def copy_devcontainer_files
destination = File.join(destination_root, ".devcontainer")
mkdir_p(destination)
devcontainer_json = File.read(File.expand_path("../fixtures/.devcontainer/devcontainer.json", __dir__))
File.write File.join(destination, "devcontainer.json"), devcontainer_json
compose_yaml = File.read(File.expand_path("../fixtures/.devcontainer/compose.yaml", __dir__))
File.write File.join(destination, "compose.yaml"), compose_yaml
end
def copy_minimal_devcontainer_compose_file
destination = File.join(destination_root, ".devcontainer")
mkdir_p(destination)
compose_yaml = File.read(File.expand_path("../fixtures/.devcontainer/compose-minimal.yaml", __dir__))
File.write File.join(destination, "compose.yaml"), compose_yaml
end
def evaluate_template(file, locals = {})
erb = ERB.new(File.read(file), trim_mode: "-", eoutvar: "@output_buffer")
context = Class.new do
locals.each do |local, value|
class_attribute local, default: value
end
end
erb.result(context.new.instance_eval("binding"))
end
def evaluate_template_docker(file)
erb = ERB.new(File.read(file), trim_mode: "-", eoutvar: "@output_buffer")
erb.result()
end
def assert_compose_file
assert_file ".devcontainer/compose.yaml" do |content|
yield YAML.load(content)
end
end
def assert_devcontainer_json_file
assert_file ".devcontainer/devcontainer.json" do |content|
yield JSON.load(content)
end
end
def run_app_update(app_root = destination_root, flags: "--force")
Dir.chdir(app_root) do
gemfile_contents = File.read("Gemfile")
gemfile_contents.sub!(/^(gem "rails").*/, "\\1, path: #{File.expand_path("../../..", __dir__).inspect}")
File.write("Gemfile", gemfile_contents)
quietly { system({ "BUNDLE_GEMFILE" => "Gemfile" }, "bin/rails app:update #{flags}", exception: true) }
end
end
private
def gemfile_locals
{
gem_ruby_version: RUBY_VERSION,
rails_prerelease: false,
skip_active_storage: true,
depend_on_bootsnap: false,
depends_on_system_test: false,
options: ActiveSupport::OrderedOptions.new,
skip_sprockets: false,
bundler_windows_platforms: "windows",
}
end
end
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