Contents

require "dry/transaction/operation"

RSpec.describe Dry::Transaction::Operation do
  subject(:operation) {
    Class.new do
      include Dry::Transaction::Operation

      def call(input)
        Right(input)
      end
    end.new
  }

  it "mixes in the Either monad constructors" do
    expect(operation.("hello")).to be_right
  end

  it "supports pattern matching when called with a block" do
    result = operation.("hello") do |m|
      m.success do |v|
        "Success: #{v}"
      end
      m.failure do |v|
        "Failure: #{v}"
      end
    end

    expect(result).to eq "Success: hello"
  end
end

Version data entries

3 entries across 3 versions & 1 rubygems

Version	Path
dry-transaction-0.10.2	spec/integration/operation_spec.rb
dry-transaction-0.10.1	spec/integration/operation_spec.rb
dry-transaction-0.10.0	spec/integration/operation_spec.rb