Micro::Case::Result rspec matchers

README.md

Usage

https://github.com/serradura/u-case

it 'is a proper result' do
  result = MyCase.(input)
  expect(result).to be_a_result
end

it 'something is wrong' do
  result = MyCase.(bad_input)
  expect(result).to be_a_failed_result
end

it 'something is right' do
  result = MyCase.(input)
  expect(result.to be_a_successful_result
end

result.rb

# frozen_string_literal: true

RSpec::Matchers.define :be_a_result do

  match do |actual|
    actual.is_a?(Micro::Case::Result)
  end

  failure_message do |actual|
    "expected that #{actual} would be a Micro::Case::Result"
  end

  failure_message_when_negated do |actual|
    "expected that #{actual} would not be a Micro::Case::Result"
  end

  description do
    'be a Micro::Case::Result'
  end
end

RSpec::Matchers.define :be_a_successful_result do

  match do |actual|
    actual.is_a?(Micro::Case::Result) && actual.success?
  end

  failure_message do |actual|
    "expected that #{actual} would be a successful Micro::Case::Result"
  end

  failure_message_when_negated do |actual|
    "expected that #{actual} would not be a successful Micro::Case::Result"
  end

  description do
    'be a successful Micro::Case::Result'
  end
end

RSpec::Matchers.define :be_a_failed_result do

  match do |actual|
    actual.is_a?(Micro::Case::Result) && actual.failure?
  end

  failure_message do |actual|
    "expected that #{actual} would be a failed Micro::Case::Result"
  end

  failure_message_when_negated do |actual|
    "expected that #{actual} would not be a failed Micro::Case::Result"
  end

  description do
    'be a failed Micro::Case::Result'
  end
end