# frozen_string_literal: true

RSpec.describe "real world edgecases", :realworld => true do
  def rubygems_version(name, requirement)
    ruby <<-RUBY
      require "#{spec_dir}/support/artifice/vcr"
      require "#{entrypoint}"
      require "#{entrypoint}/source/rubygems/remote"
      require "#{entrypoint}/fetcher"
      rubygem = Bundler.ui.silence do
        source = Bundler::Source::Rubygems::Remote.new(Bundler::URI("https://rubygems.org"))
        fetcher = Bundler::Fetcher.new(source)
        index = fetcher.specs([#{name.dump}], nil)
        index.search(Gem::Dependency.new(#{name.dump}, #{requirement.dump})).last
      end
      if rubygem.nil?
        raise "Could not find #{name} (#{requirement}) on rubygems.org!\n" \
          "Found specs:\n\#{index.send(:specs).inspect}"
      end
      puts "#{name} (\#{rubygem.version})"
    RUBY
  end

  it "resolves dependencies correctly" do
    gemfile <<-G
      source "https://rubygems.org"

      gem 'rails', '~> 5.0'
      gem 'capybara', '~> 2.2.0'
      gem 'rack-cache', '1.2.0' # last version that works on Ruby 1.9
    G
    bundle :lock
    expect(lockfile).to include(rubygems_version("rails", "~> 5.0"))
    expect(lockfile).to include("capybara (2.2.1)")
  end

  it "installs the latest version of gxapi_rails" do
    gemfile <<-G
      source "https://rubygems.org"

      gem "sass-rails"
      gem "rails", "~> 5"
      gem "gxapi_rails", "< 0.1.0" # 0.1.0 was released way after the test was written
      gem 'rack-cache', '1.2.0' # last version that works on Ruby 1.9
    G
    bundle :lock
    expect(lockfile).to include("gxapi_rails (0.0.6)")
  end

  it "installs the latest version of i18n" do
    gemfile <<-G
      source "https://rubygems.org"

      gem "i18n", "~> 0.6.0"
      gem "activesupport", "~> 3.0"
      gem "activerecord", "~> 3.0"
      gem "builder", "~> 2.1.2"
    G
    bundle :lock
    expect(lockfile).to include(rubygems_version("i18n", "~> 0.6.0"))
    expect(lockfile).to include(rubygems_version("activesupport", "~> 3.0"))
  end

  it "is able to update a top-level dependency when there is a conflict on a shared transitive child" do
    # from https://github.com/rubygems/bundler/issues/5031

    system_gems "bundler-2.99.0"

    gemfile <<-G
      source "https://rubygems.org"
      gem 'rails', '~> 4.2.7.1'
      gem 'paperclip', '~> 5.1.0'
    G

    lockfile <<-L
      GEM
        remote: https://rubygems.org/
        specs:
          actionmailer (4.2.7.1)
            actionpack (= 4.2.7.1)
            actionview (= 4.2.7.1)
            activejob (= 4.2.7.1)
            mail (~> 2.5, >= 2.5.4)
            rails-dom-testing (~> 1.0, >= 1.0.5)
          actionpack (4.2.7.1)
            actionview (= 4.2.7.1)
            activesupport (= 4.2.7.1)
            rack (~> 1.6)
            rack-test (~> 0.6.2)
            rails-dom-testing (~> 1.0, >= 1.0.5)
            rails-html-sanitizer (~> 1.0, >= 1.0.2)
          actionview (4.2.7.1)
            activesupport (= 4.2.7.1)
            builder (~> 3.1)
            erubis (~> 2.7.0)
            rails-dom-testing (~> 1.0, >= 1.0.5)
            rails-html-sanitizer (~> 1.0, >= 1.0.2)
          activejob (4.2.7.1)
            activesupport (= 4.2.7.1)
            globalid (>= 0.3.0)
          activemodel (4.2.7.1)
            activesupport (= 4.2.7.1)
            builder (~> 3.1)
          activerecord (4.2.7.1)
            activemodel (= 4.2.7.1)
            activesupport (= 4.2.7.1)
            arel (~> 6.0)
          activesupport (4.2.7.1)
            i18n (~> 0.7)
            json (~> 1.7, >= 1.7.7)
            minitest (~> 5.1)
            thread_safe (~> 0.3, >= 0.3.4)
            tzinfo (~> 1.1)
          arel (6.0.3)
          builder (3.2.2)
          climate_control (0.0.3)
            activesupport (>= 3.0)
          cocaine (0.5.8)
            climate_control (>= 0.0.3, < 1.0)
          concurrent-ruby (1.0.2)
          erubis (2.7.0)
          globalid (0.3.7)
            activesupport (>= 4.1.0)
          i18n (0.7.0)
          json (1.8.3)
          loofah (2.0.3)
            nokogiri (>= 1.5.9)
          mail (2.6.4)
            mime-types (>= 1.16, < 4)
          mime-types (3.1)
            mime-types-data (~> 3.2015)
          mime-types-data (3.2016.0521)
          mimemagic (0.3.2)
          mini_portile2 (2.1.0)
          minitest (5.9.1)
          nokogiri (1.6.8)
            mini_portile2 (~> 2.1.0)
            pkg-config (~> 1.1.7)
          paperclip (5.1.0)
            activemodel (>= 4.2.0)
            activesupport (>= 4.2.0)
            cocaine (~> 0.5.5)
            mime-types
            mimemagic (~> 0.3.0)
          pkg-config (1.1.7)
          rack (1.6.4)
          rack-test (0.6.3)
            rack (>= 1.0)
          rails (4.2.7.1)
            actionmailer (= 4.2.7.1)
            actionpack (= 4.2.7.1)
            actionview (= 4.2.7.1)
            activejob (= 4.2.7.1)
            activemodel (= 4.2.7.1)
            activerecord (= 4.2.7.1)
            activesupport (= 4.2.7.1)
            bundler (>= 1.3.0, < 3.0)
            railties (= 4.2.7.1)
            sprockets-rails
          rails-deprecated_sanitizer (1.0.3)
            activesupport (>= 4.2.0.alpha)
          rails-dom-testing (1.0.7)
            activesupport (>= 4.2.0.beta, < 5.0)
            nokogiri (~> 1.6.0)
            rails-deprecated_sanitizer (>= 1.0.1)
          rails-html-sanitizer (1.0.3)
            loofah (~> 2.0)
          railties (4.2.7.1)
            actionpack (= 4.2.7.1)
            activesupport (= 4.2.7.1)
            rake (>= 0.8.7)
            thor (>= 0.18.1, < 2.0)
          rake (11.3.0)
          sprockets (3.7.0)
            concurrent-ruby (~> 1.0)
            rack (> 1, < 3)
          sprockets-rails (3.2.0)
            actionpack (>= 4.0)
            activesupport (>= 4.0)
            sprockets (>= 3.0.0)
          thor (0.19.1)
          thread_safe (0.3.5)
          tzinfo (1.2.2)
            thread_safe (~> 0.1)

      PLATFORMS
        ruby

      DEPENDENCIES
        paperclip (~> 5.1.0)
        rails (~> 4.2.7.1)
    L

    bundle "lock --update paperclip", :env => { "BUNDLER_VERSION" => "2.99.0" }

    expect(lockfile).to include(rubygems_version("paperclip", "~> 5.1.0"))
  end

  it "outputs a helpful error message when gems have invalid gemspecs" do
    install_gemfile <<-G, :standalone => true, :raise_on_error => false
      source 'https://rubygems.org'
      gem "resque-scheduler", "2.2.0"
      gem "redis-namespace", "1.6.0" # for a consistent resolution including ruby 2.3.0
    G
    expect(err).to include("You have one or more invalid gemspecs that need to be fixed.")
    expect(err).to include("resque-scheduler 2.2.0 has an invalid gemspec")
  end

  it "doesn't hang on big gemfile" do
    skip "Only for ruby 2.7.3" if RUBY_VERSION != "2.7.3" || RUBY_PLATFORM =~ /darwin/

    gemfile <<~G
      # frozen_string_literal: true

      source "https://rubygems.org"

      ruby "2.7.3"

      gem "rails"
      gem "pg", ">= 0.18", "< 2.0"
      gem "goldiloader"
      gem "awesome_nested_set"
      gem "circuitbox"
      gem "passenger"
      gem "globalid"
      gem "rack-cors"
      gem "rails-pg-extras"
      gem "linear_regression_trend"
      gem "rack-protection"
      gem "pundit"
      gem "remote_ip_proxy_scrubber"
      gem "bcrypt"
      gem "searchkick"
      gem "excon"
      gem "faraday_middleware-aws-sigv4"
      gem "typhoeus"
      gem "sidekiq"
      gem "sidekiq-undertaker"
      gem "sidekiq-cron"
      gem "storext"
      gem "appsignal"
      gem "fcm"
      gem "business_time"
      gem "tzinfo"
      gem "holidays"
      gem "bigdecimal"
      gem "progress_bar"
      gem "redis"
      gem "hiredis"
      gem "state_machines"
      gem "state_machines-audit_trail"
      gem "state_machines-activerecord"
      gem "interactor"
      gem "ar_transaction_changes"
      gem "redis-rails"
      gem "seed_migration"
      gem "lograge"
      gem "graphiql-rails", group: :development
      gem "graphql"
      gem "pusher"
      gem "rbnacl"
      gem "jwt"
      gem "json-schema"
      gem "discard"
      gem "money"
      gem "strip_attributes"
      gem "validates_email_format_of"
      gem "audited"
      gem "concurrent-ruby"
      gem "with_advisory_lock"

      group :test do
        gem "rspec-sidekiq"
        gem "simplecov", require: false
      end

      group :development, :test do
        gem "byebug", platform: :mri
        gem "guard"
        gem "guard-bundler"
        gem "guard-rspec"
        gem "rb-fsevent"
        gem "rspec_junit_formatter"
        gem "rspec-collection_matchers"
        gem "rspec-rails"
        gem "rspec-retry"
        gem "state_machines-rspec"
        gem "dotenv-rails"
        gem "database_cleaner-active_record"
        gem "database_cleaner-redis"
        gem "timecop"
      end

      gem "factory_bot_rails"
      gem "faker"

      group :development do
        gem "listen"
        gem "sql_queries_count"
        gem "rubocop"
        gem "rubocop-performance"
        gem "rubocop-rspec"
        gem "rubocop-rails"
        gem "brakeman"
        gem "bundler-audit"
        gem "solargraph"
        gem "annotate"
      end
    G

    if Bundler.feature_flag.bundler_3_mode?
      # Conflicts on bundler version, so fails earlier
      bundle :lock, :env => { "DEBUG_RESOLVER" => "1" }, :raise_on_error => false
      expect(out).to display_total_steps_of(435)
    else
      bundle :lock, :env => { "DEBUG_RESOLVER" => "1" }
      expect(out).to display_total_steps_of(1025)
    end
  end

  it "doesn't hang on tricky gemfile" do
    skip "Only for ruby 2.7.3" if RUBY_VERSION != "2.7.3" || RUBY_PLATFORM =~ /darwin/

    gemfile <<~G
      source 'https://rubygems.org'

      group :development do
        gem "puppet-module-posix-default-r2.7", '~> 0.3'
        gem "puppet-module-posix-dev-r2.7", '~> 0.3'
        gem "beaker-rspec"
        gem "beaker-puppet"
        gem "beaker-docker"
        gem "beaker-puppet_install_helper"
        gem "beaker-module_install_helper"
      end
    G

    bundle :lock, :env => { "DEBUG_RESOLVER" => "1" }

    if Bundler.feature_flag.bundler_3_mode?
      expect(out).to display_total_steps_of(890)
    else
      expect(out).to display_total_steps_of(891)
    end
  end

  it "doesn't hang on nix gemfile" do
    skip "Only for ruby 3.0.1" if RUBY_VERSION != "3.0.1" || RUBY_PLATFORM =~ /darwin/

    gemfile <<~G
      source "https://rubygems.org" do
        gem "addressable"
        gem "atk"
        gem "awesome_print"
        gem "bacon"
        gem "byebug"
        gem "cairo"
        gem "cairo-gobject"
        gem "camping"
        gem "charlock_holmes"
        gem "cld3"
        gem "cocoapods"
        gem "cocoapods-acknowledgements"
        gem "cocoapods-art"
        gem "cocoapods-bin"
        gem "cocoapods-browser"
        gem "cocoapods-bugsnag"
        gem "cocoapods-check"
        gem "cocoapods-clean"
        gem "cocoapods-clean_build_phases_scripts"
        gem "cocoapods-core"
        gem "cocoapods-coverage"
        gem "cocoapods-deintegrate"
        gem "cocoapods-dependencies"
        gem "cocoapods-deploy"
        gem "cocoapods-downloader"
        gem "cocoapods-expert-difficulty"
        gem "cocoapods-fix-react-native"
        gem "cocoapods-generate"
        gem "cocoapods-git_url_rewriter"
        gem "cocoapods-keys"
        gem "cocoapods-no-dev-schemes"
        gem "cocoapods-open"
        gem "cocoapods-packager"
        gem "cocoapods-playgrounds"
        gem "cocoapods-plugins"
        gem "cocoapods-prune-localizations"
        gem "cocoapods-rome"
        gem "cocoapods-search"
        gem "cocoapods-sorted-search"
        gem "cocoapods-static-swift-framework"
        gem "cocoapods-stats"
        gem "cocoapods-tdfire-binary"
        gem "cocoapods-testing"
        gem "cocoapods-trunk"
        gem "cocoapods-try"
        gem "cocoapods-try-release-fix"
        gem "cocoapods-update-if-you-dare"
        gem "cocoapods-whitelist"
        gem "cocoapods-wholemodule"
        gem "coderay"
        gem "concurrent-ruby"
        gem "curb"
        gem "curses"
        gem "daemons"
        gem "dep-selector-libgecode"
        gem "digest-sha3"
        gem "domain_name"
        gem "do_sqlite3"
        gem "ethon"
        gem "eventmachine"
        gem "excon"
        gem "faraday"
        gem "ffi"
        gem "ffi-rzmq-core"
        gem "fog-dnsimple"
        gem "gdk_pixbuf2"
        gem "gio2"
        gem "gitlab-markup"
        gem "glib2"
        gem "gpgme"
        gem "gtk2"
        gem "hashie"
        gem "highline"
        gem "hike"
        gem "hitimes"
        gem "hpricot"
        gem "httpclient"
        gem "http-cookie"
        gem "iconv"
        gem "idn-ruby"
        gem "jbuilder"
        gem "jekyll"
        gem "jmespath"
        gem "jwt"
        gem "libv8"
        gem "libxml-ruby"
        gem "magic"
        gem "markaby"
        gem "method_source"
        gem "mini_magick"
        gem "msgpack"
        gem "mysql2"
        gem "ncursesw"
        gem "netrc"
        gem "net-scp"
        gem "net-ssh"
        gem "nokogiri"
        gem "opus-ruby"
        gem "ovirt-engine-sdk"
        gem "pango"
        gem "patron"
        gem "pcaprub"
        gem "pg"
        gem "pry"
        gem "pry-byebug"
        gem "pry-doc"
        gem "public_suffix"
        gem "puma"
        gem "rails"
        gem "rainbow"
        gem "rbnacl"
        gem "rb-readline"
        gem "re2"
        gem "redis"
        gem "redis-rack"
        gem "rest-client"
        gem "rmagick"
        gem "rpam2"
        gem "rspec"
        gem "rubocop"
        gem "rubocop-performance"
        gem "ruby-libvirt"
        gem "ruby-lxc"
        gem "ruby-progressbar"
        gem "ruby-terminfo"
        gem "ruby-vips"
        gem "rubyzip"
        gem "rugged"
        gem "sassc"
        gem "scrypt"
        gem "semian"
        gem "sequel"
        gem "sequel_pg"
        gem "simplecov"
        gem "sinatra"
        gem "slop"
        gem "snappy"
        gem "sqlite3"
        gem "taglib-ruby"
        gem "thrift"
        gem "tilt"
        gem "tiny_tds"
        gem "treetop"
        gem "typhoeus"
        gem "tzinfo"
        gem "unf_ext"
        gem "uuid4r"
        gem "whois"
        gem "zookeeper"
      end
    G

    bundle :lock, :env => { "DEBUG_RESOLVER" => "1" }

    if Bundler.feature_flag.bundler_3_mode?
      expect(out).to display_total_steps_of(1874)
    else
      expect(out).to display_total_steps_of(1922)
    end
  end

  private

  RSpec::Matchers.define :display_total_steps_of do |expected_steps|
    match do |out|
      out.include?("BUNDLER: Finished resolution (#{expected_steps} steps)")
    end

    failure_message do |out|
      actual_steps = out.scan(/BUNDLER: Finished resolution \((\d+) steps\)/).first.first

      "Expected resolution to finish in #{expected_steps} steps, but took #{actual_steps}"
    end
  end
end