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Gaspar Chilingarov
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Add tests for Ctags transformer for Elixir (for Tagbar integration).
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‎Gemfile

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source 'https://rubygems.org'
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ruby '2.3.1'
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gem 'rspec'
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gem 'vimrunner'
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gem 'pry-byebug'

‎spec/elixir-ctags-def/elixir_ctags_def.rb

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# frozen_string_literal: true
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require 'spec_helper'
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describe 'transforms ctags output' do
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it "generates trace file" do
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correct_content = <<~EOF
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Server /tmp/v3hvNb9/5.ex /^defmodule PusherProxy.Proxy.Server do$/;" m line:3
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start_link/2 /tmp/v3hvNb9/5.ex /^ def start_link(name, kw_args\\\\[]) do$/;" f line:59
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add_worker/2 /tmp/v3hvNb9/5.ex /^ def add_worker(pid, worker_pid) do$/;" f line:63
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add_worker/3 /tmp/v3hvNb9/5.ex /^ def add_worker(pid, worker_pid, options) do$/;" f line:66
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more_work_available?/3 /tmp/v3hvNb9/5.ex /^ def more_work_available?(pid, worker_pid, since_rev_id) do$/;" f line:68
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init(kw_args) /tmp/v3hvNb9/5.ex /^ def init(kw_args) do$/;" O line:73
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handle_cast({:add_worker, pid}, state) /tmp/v3hvNb9/5.ex /^ def handle_cast({:add_worker, pid}, state) do$/;" O line:86
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handle_cast({:decoder_ready, decoder_pid}, state) /tmp/v3hvNb9/5.ex /^ def handle_cast({:decoder_ready, decoder_pid}, state) do$/;" O line:101
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handle_cast({:data, _data, false, _rev, _pid}, state) /tmp/v3hvNb9/5.ex /^ def handle_cast({:data, _data, false, _rev, _pid}, state) do$/;" O line:126
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handle_cast({:data, data, true, _rev, _pid}, state) /tmp/v3hvNb9/5.ex /^ def handle_cast({:data, data, true, _rev, _pid}, state) do$/;" O line:141
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handle_cast({:more_work_available?, worker_pid, known_max_rev}, state) /tmp/v3hvNb9/5.ex /^ def handle_cast({:more_work_available?, worker_pid, known_max_rev}, state) do$/;" O line:172
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handle_cast(:cleanup_ets, state) /tmp/v3hvNb9/5.ex /^ def handle_cast(:cleanup_ets, state) do$/;" O line:188
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handle_info({:DOWN, _, :process, pid, reason}, state) /tmp/v3hvNb9/5.ex /^ def handle_info({:DOWN, _, :process, pid, reason}, state) do$/;" O line:208
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handle_info(ev, state) /tmp/v3hvNb9/5.ex /^ def handle_info(ev, state) do$/;" O line:219
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EOF
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expect(<<~EOF).to be_ctags_output(correct_content)
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Server /tmp/v3hvNb9/5.ex /^defmodule PusherProxy.Proxy.Server do$/;" m line:3
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start_link /tmp/v3hvNb9/5.ex /^ def start_link(name, kw_args\\\\[]) do$/;" f line:59
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add_worker /tmp/v3hvNb9/5.ex /^ def add_worker(pid, worker_pid) do$/;" f line:63
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add_worker /tmp/v3hvNb9/5.ex /^ def add_worker(pid, worker_pid1) do$/;" f line:64
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add_worker /tmp/v3hvNb9/5.ex /^ def add_worker(pid, worker_pid2) do$/;" f line:65
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add_worker /tmp/v3hvNb9/5.ex /^ def add_worker(pid, worker_pid, options) do$/;" f line:66
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more_work_available? /tmp/v3hvNb9/5.ex /^ def more_work_available?(pid, worker_pid, since_rev_id) do$/;" f line:68
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init(kw_args) /tmp/v3hvNb9/5.ex /^ def init(kw_args) do$/;" O line:73
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init /tmp/v3hvNb9/5.ex /^ def init(kw_args) do$/;" f line:73
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handle_cast({:add_worker, pid}, state) /tmp/v3hvNb9/5.ex /^ def handle_cast({:add_worker, pid}, state) do$/;" O line:86
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handle_cast /tmp/v3hvNb9/5.ex /^ def handle_cast({:add_worker, pid}, state) do$/;" f line:86
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handle_cast({:decoder_ready, decoder_pid}, state) /tmp/v3hvNb9/5.ex /^ def handle_cast({:decoder_ready, decoder_pid}, state) do$/;" O line:101
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handle_cast /tmp/v3hvNb9/5.ex /^ def handle_cast({:decoder_ready, decoder_pid}, state) do$/;" f line:101
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handle_cast({:data, _data, false, _rev, _pid}, state) /tmp/v3hvNb9/5.ex /^ def handle_cast({:data, _data, false, _rev, _pid}, state) do$/;" O line:126
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handle_cast /tmp/v3hvNb9/5.ex /^ def handle_cast({:data, _data, false, _rev, _pid}, state) do$/;" f line:126
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handle_cast({:data, data, true, _rev, _pid}, state) /tmp/v3hvNb9/5.ex /^ def handle_cast({:data, data, true, _rev, _pid}, state) do$/;" O line:141
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handle_cast /tmp/v3hvNb9/5.ex /^ def handle_cast({:data, data, true, _rev, _pid}, state) do$/;" f line:141
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handle_cast({:more_work_available?, worker_pid, known_max_rev}, state) /tmp/v3hvNb9/5.ex /^ def handle_cast({:more_work_available?, worker_pid, known_max_rev}, state) do$/;" O line:172
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handle_cast /tmp/v3hvNb9/5.ex /^ def handle_cast({:more_work_available?, worker_pid, known_max_rev}, state) do$/;" f line:172
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handle_cast(:cleanup_ets, state) /tmp/v3hvNb9/5.ex /^ def handle_cast(:cleanup_ets, state) do$/;" O line:188
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handle_cast /tmp/v3hvNb9/5.ex /^ def handle_cast(:cleanup_ets, state) do$/;" f line:188
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handle_info({:DOWN, _, :process, pid, reason}, state) /tmp/v3hvNb9/5.ex /^ def handle_info({:DOWN, _, :process, pid, reason}, state) do$/;" O line:208
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handle_info /tmp/v3hvNb9/5.ex /^ def handle_info({:DOWN, _, :process, pid, reason}, state) do$/;" f line:208
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handle_info(ev, state) /tmp/v3hvNb9/5.ex /^ def handle_info(ev, state) do$/;" O line:219
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handle_info /tmp/v3hvNb9/5.ex /^ def handle_info(ev, state) do$/;" f line:219
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EOF
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end
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end

‎spec/spec_helper.rb

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# frozen_string_literal: true
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require 'rspec/expectations'
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require 'tmpdir'
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require 'vimrunner'
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require 'vimrunner/rspec'
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require 'pry'
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class Buffer
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def initialize(vim, type)
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#@mix_file = "mix.exs"
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#@test_helper = "test/test_helper.exs"
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#
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#write_mix_exs
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if type == :ctags
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@file = "fixture.#{type}"
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else
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puts "do not know type #{type}"
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exit!(123)
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end
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@vim = vim
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end
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def get_ctags_convertion(content, leave='v')
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File.write(@file, content) if content
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@vim.command "let b:content=readfile('#{@file}')"
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@vim.command 'echo join(vimide#elixir#tagbarFilter(b:content), "\n")'
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end
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def messages_clear
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@vim.command ':messages clear'
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end
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def messages
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@vim.command ':messages'
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end
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private
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def with_file(content = nil)
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edit_file(content)
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yield if block_given?
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@vim.write
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IO.read(@file)
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end
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def edit_file(content)
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File.write(@file, content) if content
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@vim.edit @file
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@vim.normal ':set ft=elixir<CR>'
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end
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end
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class Differ
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def self.diff(result, expected)
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instance.diff(result, expected)
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end
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def self.instance
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@instance ||= new
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end
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def initialize
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@differ = RSpec::Support::Differ.new(
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object_preparer: -> (object) do
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RSpec::Matchers::Composable.surface_descriptions_in(object)
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end,
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color: RSpec::Matchers.configuration.color?
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)
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end
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def diff(result, expected)
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@differ.diff_as_object(result, expected)
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end
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end
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RSpec::Matchers.define :be_ctags_output do |expected_result, options='v'|
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buffer = Buffer.new(VIM, :ctags)
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expected_result = expected_result.gsub(/\n$/, '')
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match do |code|
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#result = buffer.get_ctags_convertion(code)
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#p "-<<<<--------------------------"
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#p result
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#p "---------------------------"
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#p expected_result
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#p "->>>>--------------------------"
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#
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#byebug
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buffer.get_ctags_convertion(code) == expected_result
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end
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failure_message do |code|
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buffer.messages_clear
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result = buffer.get_ctags_convertion(code)
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messages = buffer.messages
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<<~EOM
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Vim echo messages:
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#{messages}
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Diff:
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#{Differ.diff(result, expected_result)}
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EOM
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end
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end
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Vimrunner::RSpec.configure do |config|
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config.reuse_server = true
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config.start_vim do
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VIM = Vimrunner.start_gvim
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VIM.add_plugin(File.expand_path('..', __dir__), 'autoload/vimide.vim')
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VIM.add_plugin(File.expand_path('..', __dir__), 'autoload/vimide/elixir.vim')
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VIM
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end
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end
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RSpec.configure do |config|
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config.order = :random
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# Run a single spec by adding the `focus: true` option
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config.filter_run_including focus: true
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config.run_all_when_everything_filtered = true
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end

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