RSpec bug on allow with block syntax #rspec #ruby #bug #bug-report

test.rb

require 'bundler/inline'

gemfile do
  source 'https://rubygems.org'
  gem 'rspec'
end

puts 'Ruby Version ' + RUBY_VERSION.to_s
puts 'RSpec version ' + RSpec::Core::Version::STRING.to_s

class TestClass
  def self.test_method(client_1:); end
end

RSpec.describe 'test with expect, block syntax' do
  it 'passes' do
    expect(TestClass).to receive(:test_method) do |args|
      expect(args[:client_1]).to eq 'jonas'
      'jonas'
    end

   expect(TestClass).to receive(:test_method) do |args|
      expect(args[:client_1]).to eq 'julio'
     'julio'
   end

   expect(TestClass.test_method(client_1: 'jonas')).to eq 'jonas'
   expect(TestClass.test_method(client_1: 'julio')).to eq 'julio'
  end
end

RSpec.describe 'test with allow, without blocks' do
  it 'passes' do
    allow(TestClass).to receive(:test_method)
      .with(client_1: 'jonas')
      .and_return('jonas')
    
    allow(TestClass).to receive(:test_method)
      .with(client_1: 'julio')
      .and_return('julio')

    expect(TestClass.test_method(client_1: 'jonas')).to eq 'jonas'
    expect(TestClass.test_method(client_1: 'julio')).to eq 'julio'
  end
end

RSpec.describe 'test with allow, block syntax' do
  it 'fails' do
    allow(TestClass).to receive(:test_method) do |args|
      expect(args[:client_1]).to eq 'jonas'
      'jonas'
    end

   allow(TestClass).to receive(:test_method) do |args|
     expect(args[:client_1]).to eq 'julio'
     'julio'
   end

   expect(TestClass.test_method(client_1: 'jonas')).to eq 'jonas'
   expect(TestClass.test_method(client_1: 'julio')).to eq 'julio'
  end
end

__END__
Output:

Ruby Version 2.5.1
RSpec version 3.8.0
..F

Failures:

  1) test with allow, block syntax fails
     Failure/Error: expect(args[:client_1]).to eq 'julio'

       expected: "julio"
            got: "jonas"

       (compared using ==)
     # ./minimal-rspec.rb:55:in `block (3 levels) in <top (required)>'
     # ./minimal-rspec.rb:59:in `block (2 levels) in <top (required)>'

Finished in 0.03656 seconds (files took 0.2744 seconds to load)
3 examples, 1 failure