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0.1.1
A SMPTE timecode library for Elixir
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lib/utils/test_setups.ex
defmodule Vtc.TestSetups do
@moduledoc false
alias Vtc.Framerate
alias Vtc.Rates
alias Vtc.Source.Frames
alias Vtc.Timecode
# Common utilities for ExUnit tests.
@spec test_id(String.t()) :: String.t()
def test_id(test_name), do: :md5 |> :crypto.hash(test_name) |> Base.encode16()
@doc """
Extracts a map in `:test_case` and merges it into the top-level context.
"""
@spec setup_test_case(%{optional(:test_case) => map()}) :: map()
def setup_test_case(%{test_case: test_case} = context), do: Map.merge(context, test_case)
def setup_test_case(context), do: context
@doc """
Sets up timecodes found in any context fields listed in the `:timecodes` context
field.
"""
@spec setup_timecodes(map()) :: Keyword.t()
def setup_timecodes(context) do
timecode_fields = Map.get(context, :timecodes, [])
timecodes = Map.take(context, timecode_fields)
Enum.map(timecodes, fn {field_name, value} -> {field_name, setup_timecode(value)} end)
end
@spec setup_timecode(Frames.t() | {Frames.t(), Framerate.t()}) :: Timecode.t()
defp setup_timecode({frames, rate}), do: Timecode.with_frames!(frames, rate)
defp setup_timecode(frames), do: setup_timecode({frames, Rates.f23_98()})
end