# frozen_string_literal: true

require "test_helper"

class TestArrayJoinMap < Minitest::Test
  def setup
    @input = ["foo", nil, "bar", nil, "baz"]
  end

  def test_it_joins_without_block
    assert_equal(
      "foo bar baz",
      @input.join_map(" ")
    )
  end

  def test_it_joins_with_block
    assert_equal(
      "foo!, bar!, baz!",
      @input.join_map(", ") { |i| "#{i}!" if i }
    )
  end

  def test_it_includes_the_index
    assert_equal(
      "foo0!, bar2!, baz4!",
      @input.join_map(", ", with_index: true) { |v, i| "#{v}#{i}!" if v }
    )
  end
end