require "helper"
require "inspec/resource"
require "inspec/resources/nginx_conf"

describe "Inspec::Resources::NginxConf" do
  # None of these tests currently work correctly on windows. See the
  # nginx_conf toplevel comment.
  next if Gem.win_platform?

  let(:nginx_conf) { MockLoader.new(:ubuntu1404).load_resource("nginx_conf") }

  it "doesnt fail with a missing file" do
    # This path is not mocked because we cannot mock File.exist?
    # ...As far as I know
    nginx_conf = MockLoader.new(:ubuntu1404).load_resource("nginx_conf", "/this/path/does/not/exist")
    _(nginx_conf.params).must_equal({})
  end

  it "does not fail with an empty file" do
    nginx_conf = MockLoader.new(:ubuntu1404).load_resource("nginx_conf", "/etc/nginx/conf.d/empty.conf")
    _(nginx_conf.params).must_equal({})
  end

  it "does not fail with a file that all lines are commented out" do
    nginx_conf = MockLoader.new(:ubuntu1404).load_resource("nginx_conf", "/etc/nginx/conf.d/comments_only.conf")
    _(nginx_conf.params).must_equal({})
  end

  it "doesnt fail with an incorrect file" do
    nginx_conf = MockLoader.new(:ubuntu1404).load_resource("nginx_conf", "/etc/passwd")
    _(nginx_conf.params).must_equal({})
  end

  it "reads the nginx_conf with all referenced include calls" do
    _(nginx_conf.params).must_be_kind_of Hash
    _(nginx_conf.contents).must_be_kind_of Hash
    _(nginx_conf.contents.keys).must_equal %w{
      /etc/nginx/nginx.conf
      /etc/nginx/conf/mime.types
      /etc/nginx/proxy.conf
      /etc/nginx/conf.d/comments_only.conf
      /etc/nginx/conf.d/empty.conf
      /etc/nginx/conf.d/foobar.conf
      /etc/nginx/conf.d/multiple.conf
      /etc/nginx/quotes.d/example.conf
    }

    # verify user
    _(nginx_conf.params["user"]).must_equal [%w{www www}] # multiple

    # verify error_log
    _(nginx_conf.params["error_log"]).must_equal [["logs/error.log"]] # with /

    # verify events
    _(nginx_conf.params["events"]).must_equal [{ "worker_connections" => [["4096"]] }]

    # verify http
    _(nginx_conf.params["http"].length).must_equal 1

    # verify server count
    _(nginx_conf.params["http"][0]["server"].length).must_equal 6

    # verify index
    _(nginx_conf.params["http"][0]["index"]).must_equal [["index.html", "index.htm", "index.php"]]

    # verify default_type (parameter with '/')
    _(nginx_conf.params["http"][0]["default_type"]).must_equal [["application/octet-stream"]]

    # verify log_format (multi-line parameter)
    _(nginx_conf.params["http"][0]["log_format"]).must_equal [%w{main multi line}]

    # verify types (relative include test)
    _(nginx_conf.params["http"][0]["types"]).must_equal [{ "text/html" => [%w{html htm shtml}] }]

    # verify proxy_redirect (absolute include test)
    _(nginx_conf.params["http"][0]["proxy_redirect"]).must_equal [["off"]]

    # verify server in main nginx.conf
    _(nginx_conf.params["http"][0]["server"][0]["listen"]).must_equal [["80"]]
    _(nginx_conf.params["http"][0]["server"][0]["server_name"]).must_equal [["domain1.com", "www.domain1.com"]]
    _(nginx_conf.params["http"][0]["server"][0]["location"][0]["_"]).must_equal ["~", "\\.php$"]
    _(nginx_conf.params["http"][0]["server"][0]["location"][0]["fastcgi_pass"]).must_equal [["127.0.0.1:1025"]]

    # verify another server in main nginx.conf (multi-server and multi-location test)
    _(nginx_conf.params["http"][0]["server"][1]["listen"]).must_equal [["443"]]
    _(nginx_conf.params["http"][0]["server"][1]["server_name"]).must_equal [["domain2.com", "www.domain2.com"]]
    _(nginx_conf.params["http"][0]["server"][1]["location"][0]["_"]).must_equal ["~", "^/(images|javascript|js|css|flash|media|static)/"]
    _(nginx_conf.params["http"][0]["server"][1]["location"][0]["root"]).must_equal [["/var/www/virtual/big.server.com/htdocs"]]
    _(nginx_conf.params["http"][0]["server"][1]["location"][1]["_"]).must_equal ["/"]
    _(nginx_conf.params["http"][0]["server"][1]["location"][1]["proxy_pass"]).must_equal [["http://127.0.0.1:8080"]]

    # verify a server in conf.d (wildcard include test)
    _(nginx_conf.params["http"][0]["server"][2]["listen"]).must_equal [["8081"]]
    _(nginx_conf.params["http"][0]["server"][2]["server_name"]).must_equal [["foobar.com", "www.foobar.com"]]
    _(nginx_conf.params["http"][0]["server"][2]["location"][0]["_"]).must_equal ["~", "^/flash/"]
    _(nginx_conf.params["http"][0]["server"][2]["location"][0]["root"]).must_equal [["/var/www/virtual/www.foobar.com/htdocs"]]

    # verify servers in conf.d files (wildcard include test)
    _(nginx_conf.params["http"][0]["server"][3]["listen"]).must_equal [["8083"]]
    _(nginx_conf.params["http"][0]["server"][3]["server_name"]).must_equal [["example1.com", "www.example1.com"]]
    _(nginx_conf.params["http"][0]["server"][3]["location"][0]["_"]).must_equal ["~", "^/static/"]
    _(nginx_conf.params["http"][0]["server"][3]["location"][0]["root"]).must_equal [["/var/www/virtual/www.example1.com/htdocs"]]
    _(nginx_conf.params["http"][0]["server"][4]["listen"]).must_equal [["8084"]]
    _(nginx_conf.params["http"][0]["server"][4]["server_name"]).must_equal [["example2.com", "www.example2.com"]]
    _(nginx_conf.params["http"][0]["server"][4]["location"][0]["_"]).must_equal ["~", "^/media/"]
    _(nginx_conf.params["http"][0]["server"][4]["location"][0]["root"]).must_equal [["/var/www/virtual/www.example2.com/htdocs"]]

    # verify a server in conf.d_quotes (quotes in path test)
    _(nginx_conf.params["http"][0]["server"][5]["listen"]).must_equal [["8085"]]
    _(nginx_conf.params["http"][0]["server"][5]["server_name"]).must_equal [["quotes.com", "www.quotes.com"]]
  end

  it "skips the resource if it cannot parse the config" do
    resource = MockLoader.new(:ubuntu1404).load_resource("nginx_conf", "/etc/nginx/failed.conf")
    _(resource.params).must_equal({})
    _(resource.resource_exception_message).must_equal "Cannot parse NginX config in /etc/nginx/failed.conf."
  end

  describe "#http" do
    let(:http) { nginx_conf.http }

    it "provides an accessor for all http entries" do
      _(http).must_be_kind_of Inspec::Resources::NginxConfHttp
    end

    it "pretty-prints in CLI" do
      _(http.inspect).must_equal "nginx_conf /etc/nginx/nginx.conf, http entries"
    end

    it "provides accessors to individual http entries" do
      _(http.entries).must_be_kind_of Array
      _(http.entries.length).must_equal 1
      _(http.entries[0]).must_be_kind_of Inspec::Resources::NginxConfHttpEntry
      http.entries.each do |entry|
        _(entry).must_be_kind_of Inspec::Resources::NginxConfHttpEntry
      end
    end

    it "provides aggregated access to all servers" do
      _(http.servers).must_be_kind_of Array
      _(http.servers.length).must_equal 6
      http.servers.each do |server|
        _(server).must_be_kind_of Inspec::Resources::NginxConfServer
      end
    end

    it "provides aggregated access to all locations" do
      _(http.locations).must_be_kind_of Array
      _(http.locations.length).must_equal 6
      http.locations.each do |location|
        _(location).must_be_kind_of Inspec::Resources::NginxConfLocation
      end
    end

    it "doesnt fail on params == nil" do
      entry = Inspec::Resources::NginxConfHttp.new(nil, nil)
      _(entry.entries).must_equal([])
      _(entry.servers).must_equal([])
      _(entry.locations).must_equal([])
    end
  end

  describe "NginxConfHttpEntry" do
    let(:entry) { nginx_conf.http.entries[0] }

    it "pretty-prints in CLI" do
      _(entry.inspect).must_equal "nginx_conf /etc/nginx/nginx.conf, http entry"
    end

    it "provides aggregated access to all servers" do
      _(entry.servers).must_be_kind_of Array
      _(entry.servers.length).must_equal 6
      _(entry.servers[0]).must_be_kind_of Inspec::Resources::NginxConfServer
      entry.servers.each do |server|
        _(server).must_be_kind_of Inspec::Resources::NginxConfServer
      end
    end

    it "provides aggregated access to all locations" do
      _(entry.locations).must_be_kind_of Array
      _(entry.locations.length).must_equal 6
      _(entry.locations[0]).must_be_kind_of Inspec::Resources::NginxConfLocation
      entry.locations.each do |location|
        _(location).must_be_kind_of Inspec::Resources::NginxConfLocation
      end
    end

    it "doesnt fail on params == nil" do
      entry = Inspec::Resources::NginxConfHttpEntry.new(nil, nil)
      _(entry.params).must_equal({})
      _(entry.servers).must_equal([])
      _(entry.locations).must_equal([])
    end
  end

  describe "#servers" do
    let(:servers) { nginx_conf.servers }

    it "forwards access to #http.servers" do
      _(servers.map(&:params)).must_equal nginx_conf.http.servers.map(&:params)
    end
  end

  describe "#locations" do
    let(:locations) { nginx_conf.locations }

    it "forwards access to #http.locations" do
      _(locations.map(&:params)).must_equal nginx_conf.http.locations.map(&:params)
    end
  end

  describe "NginxConfServer" do
    let(:entry) { nginx_conf.servers[0] }

    it "pretty-prints in CLI" do
      _(entry.inspect).must_equal "nginx_conf /etc/nginx/nginx.conf, server domain1.com:80"
    end

    it "provides access to all its parameters" do
      _(entry.params).must_equal nginx_conf.params["http"][0]["server"][0]
    end

    it "provides access to its parent" do
      _(entry.parent.params).must_equal nginx_conf.http.entries[0].params
    end

    it "provides access to all its locations" do
      _(entry.locations).must_be_kind_of Array
      _(entry.locations.length).must_equal 1
      entry.locations.each do |location|
        _(location).must_be_kind_of Inspec::Resources::NginxConfLocation
      end
    end

    it "doesnt fail on params == nil" do
      entry = Inspec::Resources::NginxConfServer.new(nil, nil)
      _(entry.params).must_equal({})
      _(entry.locations).must_equal([])
    end
  end

  describe "NginxConfLocation" do
    let(:entry) { nginx_conf.locations[0] }

    it "pretty-prints in CLI" do
      _(entry.inspect).must_equal 'nginx_conf /etc/nginx/nginx.conf, location "~ \\\\.php$"'
    end

    it "provides access to all its parameters" do
      _(entry.params).must_equal nginx_conf.params["http"][0]["server"][0]["location"][0]
    end

    it "provides access to its parent" do
      _(entry.parent.params).must_equal nginx_conf.servers[0].params
    end

    it "doesnt fail on params == nil" do
      entry = Inspec::Resources::NginxConfLocation.new(nil, nil)
      _(entry.params).must_equal({})
    end
  end
end