Contents

require 'test_helper'

class TryTest < Minitest::Test
  def test_success
    assert_equal 2, Try { 10 / 5 }.value
  end

  def test_failure
    assert_kind_of ZeroDivisionError, Try { 10 / 0 }.exception
  end

  def test_to_maybe_success
    assert_equal Some(2), Try { 10 / 5 }.to_maybe
  end

  def test_to_maybe_failure
    assert_equal None(), Try { 10 / 0 }.to_maybe
  end

  def test_fmap_success
    assert_equal 4, Try { 10 / 5 }.fmap { |x| x * 2 }.value
  end

  def test_fmap_failure
    assert_kind_of ZeroDivisionError, Try { 10 / 0 }.fmap { |x| x * 2 }.exception
  end

  def test_bind
    try = Try { 20 / 10 } >-> number { Try { 10 / number } }
    assert_equal 5, try.value
  end
end

Version data entries

6 entries across 6 versions & 1 rubygems

Version	Path
kleisli-0.2.6	test/kleisli/try_test.rb
kleisli-0.2.5	test/kleisli/try_test.rb
kleisli-0.2.4	test/kleisli/try_test.rb
kleisli-0.2.3	test/kleisli/try_test.rb
kleisli-0.2.2	test/kleisli/try_test.rb
kleisli-0.2.1	test/kleisli/try_test.rb