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# frozen_string_literal: true
require 'helper'
class Adsf::Live::WatcherTest < Minitest::Test
include Rack::Test::Methods
include Adsf::Test::Helpers
def run_watcher(root_dir: nil)
FileUtils.mkdir_p('public')
root_dir ||= File.expand_path('public')
watcher = Adsf::Live::Watcher.new(root_dir: root_dir)
begin
watcher.start
yield
ensure
watcher.stop
end
end
def test_receives_hello
run_watcher do
ws = Faye::WebSocket::Client.new('ws://127.0.0.1:35729/')
queue = SizedQueue.new(2)
ws.on :open do |_event|
end
ws.on :message do |event|
queue << event.data
end
ws.on :close do |_event|
end
messages = []
1.times { messages << queue.pop }
expected_hello_data = {
'command' => 'hello',
'protocols' => ['http://livereload.com/protocols/official-7'],
'serverName' => 'nanoc-view',
}
assert_equal expected_hello_data, JSON.parse(messages[0])
end
end
def test_requires_absolute_path
assert_raises(ArgumentError, 'Watcher#initialize: The root_path argument must be an absolute path') do
run_watcher(root_dir: 'public') {}
end
end
def test_receives_update
run_watcher do
ws = Faye::WebSocket::Client.new('ws://127.0.0.1:35729/')
queue = SizedQueue.new(2)
ws.on :open do |_event|
sleep 0.5
File.write('public/index.html', 'hello thear')
end
ws.on :message do |event|
queue << event.data
end
ws.on :close do |event|
raise "unexpected close: #{event.code}" unless event.code == 1006
end
messages = []
2.times { messages << queue.pop }
expected_hello_data = {
'command' => 'hello',
'protocols' => ['http://livereload.com/protocols/official-7'],
'serverName' => 'nanoc-view',
}
assert_equal expected_hello_data, JSON.parse(messages[0])
assert_equal 'reload', JSON.parse(messages[1])['command']
assert_equal '/index.html', JSON.parse(messages[1])['path']
end
end
end
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