require "test_helper"
require "my"

describe What do
  it "is robust against empty params" do
    What.init("")
    assert_equal [Dir.pwd], What.where
    assert_equal [{}], What.matrix
  end

  it "#to_env({}) must be ''" do
    assert_equal "", What.to_env({})
  end

  it "to_env converts variable to uppercase" do
    assert_equal "A=1", What.to_env(a: 1)
  end

  it "coverage: #info" do
    Doit.stub :options, {verbose: true} do
      _out, _err = capture_io do
        What.init("")
        What.info
      end
    end
  end

  it "builds simple matrix" do
    What.init("a: 1\n")
    assert_equal [{"a" => 1}], What.matrix
  end

  it "builds matrix" do
    What.init("a:\n - 1\n - 2\n")
    assert_equal [{"a" => 1}, {"a" => 2}], What.matrix
  end

  it "builds product matrix" do
    What.init("a:\n - 1\nb:\n - 3\n - 4\n")
    assert_equal [{"a" => 1, "b" => 3}, {"a" => 1, "b" => 4}], What.matrix
  end
end