Attempting to solve - An HTTP request has been made that VCR does not know how to handle:

[lovell....@gmail.com]

Hello all,

I am new to VCR and I am having trouble understanding what I am doing wrong. Right now I am getting the following error in 2 different places ( I will focus on 1 for now).

Failure/Error: expect(wrapper.current_weather).to be_instance_of Hash

     VCR::Errors::UnhandledHTTPRequestError:

       ================================================================================

       An HTTP request has been made that VCR does not know how to handle:

         GET http://api.openweathermap.org/data/2.5/weather?q=Silver%20Spring,MD

I am not sure how to fix this problem or what is exactly wrong. I did read the rest of the error that talks about the different ways to handle this but I really don't know which one of those is right for me. Can anyone tell me how can figure out what is going on? The end result is that I just want the cassette to be created and reused for future tests.

Currently this is my setup:

Gemfile:

group :test do
  gem 'vcr'
  gem 'webmock'
end

spec/rails_helper

VCR.configure do |c|
  c.cassette_library_dir = 'spec/vcr_cassettes'
  c.hook_into :webmock # or :fakeweb
end

spec/apis/open_weather_map_wrapper_spec.rb

require 'rails_helper'


describe OpenWeatherMapWrapper do
  it 'sets @location' do
    location = Fabricate :location
    wrapper = OpenWeatherMapWrapper.new(location)
    expect(wrapper.location).to eq location
  end
 
  describe '#current_weather', :vcr do
    it 'should return a hash' do
      location = Fabricate(:location, name: 'Silver Spring,MD')
      wrapper = OpenWeatherMapWrapper.new(location)
      expect(wrapper.current_weather).to be_instance_of Hash
    end
  end
end

app/apis/open_weather_map_wrapper.rb

class OpenWeatherMapWrapper
  include HTTParty
  attr_reader :location
  def initialize(location)
    @location = location
  end

  def current_weather
    JSON.parse(
      HTTParty.get(
      'http://api.openweathermap.org/data/2.5/weather', query: { q: @location.name }).body)
  end
end

Any help is appreciated,

Thanks,

[Myron Marston]

A cassette needs to be inserted while an HTTP request is made.  The general API for this (that works with any test framework or no test framework) is `VCR.use_cassette`:

http://www.rubydoc.info/gems/vcr/VCR#use_cassette-instance_method

So, within your RSpec examples (the `it` blocks), you can wrap the code with `VCR.use_cassette`.  Alternately, since you're using RSpec, you can use VCR's RSpec integration based on metadata:

https://relishapp.com/vcr/vcr/v/2-9-3/docs/test-frameworks/usage-with-rspec-metadata

HTH,

Myron

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[Vell]

Thanks for the reply. I will try again and let you know if I have any other troubles.

[Vell]

Thanks Myron

After reading the documentation, I was simply missing

c.configure_rspec_metadata!

Once I added that and ran my test all worked as expected.