dry-rb/chat

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Oskar Szrajer

@gotar

I use rack-test always

workings great

Hamza Khan-Cheema

@hamzakc

Thanks, I was leaning towards that as well.

you got any links on getting that working with dry-web by any chance

Oskar Szrajer

@gotar

https://github.com/icelab/berg/tree/master/spec

Hamza Khan-Cheema

@hamzakc

isn't that using RSpec

Oskar Szrajer

@gotar

i uses rack-tests too

for requests

I can extract you some tests from my projects

if you want

Hamza Khan-Cheema

@hamzakc

don't want to trouble you :)

i will try and use berg as a template and get it working

thanks for the offer

you tried bacon ?

https://github.com/chneukirchen/bacon

Oskar Szrajer

@gotar

https://gist.github.com/gotar/19749c4e92c466b349ccc84cc777eadc

here you go, spec_helpers. and some tests

using berg as a template is quite hard at the beginning

if you need any more files, tests just ask

I used that combination (rack-test, rspec) for 4-5 different APIs in last few years always working great

Oskar Szrajer

@gotar

https://github.com/gotar/sinatra-rom - some very old repo but shows how to connects rack-test with sinatra (in roda is almost exactly the same) - much easier one

Gustavo Caso

@GustavoCaso

I think using the dry-web-roda cli will build some spec helpers with some sort of configuration already

https://github.com/GustavoCaso/til_web/blob/master/spec/web_spec_helper.rb

Here is the one generated for one of my toy project

Oskar Szrajer

@gotar

yeah but it's overkill for API

and do not use rack-test in pure direct way as I remember

Gustavo Caso

@GustavoCaso

Sure

Totally true

Oskar Szrajer

@gotar

one day will be great to have --only-api switch for generator :)

one day

Gustavo Caso

@GustavoCaso

:+1:

Hamza Khan-Cheema

@hamzakc

@gotar Thanks, really appreciate it :thumbsup:

Opan Mustopah

@opan

Hi guys, is it possible to use Dry::Struct like this way?

class Foo < Dry::Struct
  # I reference the class with string
  # Just like active record do when we define relation in model
  attribute :bar, 'Zoo'
end

Well I need this feature because I have a problem when I trying to load these files.

let say if Foo is loaded first than Zoo, then if I define like the standar way, it would be trigger an error that said Zoo is undefined or something because Zoo is not loaded yet, except I define require_relative 'zoo' on top of foo.rb file and I want to avoid this.

Is it possible to do? Thanks in advance

Tim Riley

@timriley

@opan we don’t support that, no. We encourage you to require files you need :)

Adding require or require_relative for any other constants I need to refer to (like Zoo in your case) to the top of my struct class files is exactly what I do in my apps.

Opan Mustopah

@opan

I see, thanks @timriley for your answer

Chris Richards

@cmrichards

With dry-rb validation, how would I validate that 2 dates aren't more than 2 months apart?

Sean Winner

@swinner2

in dry-validation. If I use type_specs = true do I have to declare a type for each rule? Any way to only define a type spec for one rule?

Tim Riley

@timriley

@swinner2 you have to declare a spec for every key, yeah

Tim Riley

@timriley

@cmrichards something like this?

require "dry/validation"
require "time_math"

schema = Dry::Validation.Schema do
  configure do
    def self.messages
      super.merge(en: {errors: {ends_at_within_two_weeks_of_starts_at: 'must be within two weeks of start time'}})
    end
  end

  required(:starts_at).filled(:time?)
  required(:ends_at).filled(:time?)

  validate(ends_at_within_two_weeks_of_starts_at: [:starts_at, :ends_at]) do |starts_at, ends_at|
    two_weeks = 2 * 7 * 24 * 60

    (ends_at - starts_at) <= two_weeks
  end
end

valid_input = {
  starts_at: TimeMath.day.decrease(Time.now, 10),
  ends_at: Time.now,
}

schema.(valid_input).messages
# => {}

invalid_input = {
  starts_at: TimeMath.day.decrease(Time.now, 20),
  ends_at: Time.now,
}

schema.(invalid_input).messages
# => {:ends_at_within_two_weeks_of_starts_at=>["must be within two weeks of start time"]}

I did two weeks instead of two months, but you get the idea

Sean Winner

@swinner2

@timriley I’m trying to find a way to make the default type_spec Types::Anysorry I’m pretty new to dry-validation. Is there an easy way to go about this?

Tim Riley

@timriley

@swinner2 why are you trying to avoid specifying stricter types? The whole idea of dry-validation is to avoid such looseness as comes with an “any” type.

Chris Richards

@cmrichards

@timriley yeah thanks!

Chris Richards

@cmrichards

custom-validation-blocks seem more comprehensible than high-level-rules to me

i.e. I wouldn't need to to refer back to the dry-validation docs when writing them

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