NoMethodError: undefined method `read_ber' for TCR::RecordableTCPSocket

[ianheggie]

I am using

• gem 'tcr', github: 'robforman/tcr', tag: 'cf6b949ba0d98538bf6b3df0373001ef9ec3ef06' ie branch ruby-upgrade in Gemfile
• ruby version: ruby 3.1.3p185 (2022-11-24 revision 1a6b16756e) [x86_64-linux]
• rails version: 7.0.4.2
• net-ldap 0.17.1

The error is:

Minitest::UnexpectedError: NoMethodError: undefined method `read_ber' for #<TCR::RecordableTCPSocket:0x00007f70f20f9d20 @read_lock=#<Thread::Queue:0x00007f70f20f9c80>, @recording=[["write", "...some stuff..."]], @live=true, @socket=#<TCPSocket:(closed)>>

        socket.read_ber(syntax) do |id, content_length|
              ^^^^^^^^^
Did you mean?  read_nonblock
    app/models/user.rb:55:in `ldap_client'

The code that is calling (app/models/user.rb) reads as follows:

  def self.ldap_client(user_name, password)
    auth = { method: :simple, username: sanitize_email(user_name), password: password }
    ldap = Net::LDAP.new(
      host: AD_HOST,
      auth: auth
    )
    # debugger
    ldap if ldap.bind  # Error thrown on bind (line 55)
  end

my test/test_helper.rb includes:

TCR.configure do |c|
  c.cassette_library_dir = File.expand_path('cassettes/tcr', __dir__)
  # ldap            389/tcp
  # ldaps           636/tcp
  c.hook_tcp_ports = ENV['DISABLE_TCR'].present? ? [] : [389, 636]
  if ENV['TCR_MODE'] =~ /rec/i
    c.hit_all = true
  end
end

FYI

• It also reports an deprecation warning:

/home/vagrant/.gem/ruby/3.1.3/bundler/gems/tcr-cf6b949ba0d9/lib/tcr/cassette.rb:19: warning: File.exists? is deprecated; use File.exist? instead

• I also end up with empty cassette files as per Net::LDAP with LDAPS connection records empty cassettes #37
• For those that care, the user model is a thin shell around the LDAP response, not an active record class, just enough for current_user to return a User class, that responds to #admin? etc