defmodule NLdoc.Test.Logs do
  @moduledoc """
  This module helps with capturing log output in tests.
  """

  @doc """
  Decodes each line in the given log string with `Jason.decode/1`.

  ## Examples

      iex> logs = "{\\"message\\": \\"test\\"}\\n{\\"message\\": \\"another test\\"}\\n\\n"
      iex> logs |> NLdoc.Test.Logs.decode_json()
      [%{"message" => "test"}, %{"message" => "another test"}]
      iex> [%{"message" => "test"}] |> match?(logs |> NLdoc.Test.Logs.decode_json())
  """
  @spec decode_json(String.t()) :: [map()]
  def decode_json(logs) do
    logs |> String.split("\n", trim: true) |> Enum.map(&Jason.decode!/1)
  end
end