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# frozen_string_literal: true
require "generators/generators_test_helper"
require "rails/generators/channel/channel_generator"
class ChannelGeneratorTest < Rails::Generators::TestCase
include GeneratorsTestHelper
tests Rails::Generators::ChannelGenerator
setup do
use_with_javascript
use_under_importmap
end
test "shared channel files are created" do
run_generator ["books"]
assert_file "app/channels/application_cable/channel.rb" do |cable|
assert_match(/module ApplicationCable\n class Channel < ActionCable::Channel::Base\n/, cable)
end
assert_file "app/channels/application_cable/connection.rb" do |cable|
assert_match(/module ApplicationCable\n class Connection < ActionCable::Connection::Base\n/, cable)
end
end
test "specific channel files are created under importmap" do
run_generator ["chat"]
assert_file "app/channels/chat_channel.rb" do |channel|
assert_match(/class ChatChannel < ApplicationCable::Channel/, channel)
end
assert_file "app/javascript/channels/chat_channel.js" do |channel|
assert_match(/import consumer from "channels\/consumer"\s+consumer\.subscriptions\.create\("ChatChannel/, channel)
end
end
test "specific channel files are created under node" do
use_under_node
generator(["chat"]).stub(:install_javascript_dependencies, true) do
run_generator_instance
assert_file "app/javascript/channels/chat_channel.js" do |channel|
assert_match(/import consumer from ".\/consumer"\s+consumer\.subscriptions\.create\("ChatChannel/, channel)
end
end
end
test "channel with multiple actions is created" do
run_generator ["chat", "speak", "mute"]
assert_file "app/channels/chat_channel.rb" do |channel|
assert_match(/class ChatChannel < ApplicationCable::Channel/, channel)
assert_match(/def speak/, channel)
assert_match(/def mute/, channel)
end
assert_file "app/javascript/channels/chat_channel.js" do |channel|
assert_match(/import consumer from "channels\/consumer"\s+consumer\.subscriptions\.create\("ChatChannel/, channel)
assert_match(/,\n\n speak/, channel)
assert_match(/,\n\n mute: function\(\) \{\n return this\.perform\('mute'\);\n \}\n\}\);/, channel)
end
end
test "shared channel javascript files are created" do
run_generator ["books"]
assert_file "app/javascript/channels/index.js"
assert_file "app/javascript/channels/consumer.js"
end
test "import channels in javascript entrypoint" do
run_generator ["books"]
assert_file "app/javascript/application.js" do |entrypoint|
assert_match %r|import "channels"|, entrypoint
end
end
test "import channels in javascript entrypoint under node" do
use_under_node
generator(["chat"]).stub(:install_javascript_dependencies, true) do
run_generator_instance
assert_file "app/javascript/application.js" do |entrypoint|
assert_match %r|import "./channels"|, entrypoint
end
end
end
test "pin javascript dependencies" do
run_generator ["chat"]
assert_file "config/importmap.rb" do |content|
assert_match %r|pin "@rails/actioncable"|, content
assert_match %r|pin_all_from "app/javascript/channels"|, content
end
end
test "first setup only happens once" do
run_generator ["chat"]
assert_file "app/javascript/channels/consumer.js"
FileUtils.rm("#{destination_root}/app/javascript/channels/consumer.js")
run_generator ["another"]
assert_no_file "app/javascript/channels/consumer.js"
end
test "javascripts not generated when assets are skipped" do
run_generator ["chat", "--skip-assets"]
assert_file "app/channels/chat_channel.rb" do |channel|
assert_match(/class ChatChannel < ApplicationCable::Channel/, channel)
end
assert_no_file "app/javascript/channels/chat_channel.js"
end
test "invokes default test framework" do
run_generator %w(chat -t=test_unit)
assert_file "test/channels/chat_channel_test.rb" do |test|
assert_match(/class ChatChannelTest < ActionCable::Channel::TestCase/, test)
assert_match(/# test "subscribes" do/, test)
assert_match(/# assert subscription.confirmed\?/, test)
end
end
test "revoking" do
run_generator ["chat"]
run_generator ["chat"], behavior: :revoke
assert_no_file "app/channels/chat_channel.rb"
assert_no_file "app/javascript/channels/chat_channel.js"
assert_no_file "test/channels/chat_channel_test.rb"
assert_file "app/channels/application_cable/channel.rb"
assert_file "app/channels/application_cable/connection.rb"
assert_file "app/javascript/channels/consumer.js"
end
test "channel suffix is not duplicated" do
run_generator ["chat_channel"]
assert_no_file "app/channels/chat_channel_channel.rb"
assert_file "app/channels/chat_channel.rb"
assert_no_file "app/javascript/channels/chat_channel_channel.js"
assert_file "app/javascript/channels/chat_channel.js"
assert_no_file "test/channels/chat_channel_channel_test.rb"
assert_file "test/channels/chat_channel_test.rb"
end
private
def use_with_javascript
FileUtils.mkdir_p("#{destination_root}/app/javascript")
FileUtils.touch("#{destination_root}/app/javascript/application.js")
end
def use_under_importmap
FileUtils.mkdir_p("#{destination_root}/config")
FileUtils.touch("#{destination_root}/config/importmap.rb")
FileUtils.rm_rf("#{destination_root}/package.json")
end
def use_under_node
FileUtils.touch("#{destination_root}/package.json")
FileUtils.rm_rf("#{destination_root}/config/importmap.rb")
end
end
|
