defmodule Machete.NoneMatcher do
@moduledoc """
Defines a matcher that matches against a set of matchers, requiring none of them to match
"""
import Machete.Mismatch
import Machete.Operators
defstruct matchers: []
@typedoc """
Describes an instance of this matcher
"""
@opaque t :: %__MODULE__{}
@doc """
Matches against a set of matchers, requiring none of them to match
Takes a list of matchers as its sole (mandatory) argument
Examples:
iex> assert "abc" ~> none([integer(), float()])
true
iex> refute :abc ~> all([atom(), string()])
false
"""
@spec none([Machete.Matchable.t()]) :: t()
def none(matchers), do: struct!(__MODULE__, matchers: matchers)
defimpl Machete.Matchable do
def mismatches(%@for{} = a, b) do
if Enum.any?(a.matchers, &(b ~> &1)),
do: mismatch("#{inspect(b)} matches at least one of the specified matchers")
end
end
end