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BDD testing framework for Elixir inspired by RSpec.
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lib/espec/assertions/accepted.ex
defmodule ESpec.Assertions.Accepted do
@moduledoc """
Defines 'accepted' assertion.
it do: expect(SomeModule).to accepted(:func)
"""
use ESpec.Assertions.Interface
defp match(subject, [func, args, opts]) do
pid = Keyword.get(opts, :pid) || :any
opts_count = Keyword.get(opts, :count) || :any
count = get_count(subject, func, args, pid)
if opts_count == :any do
if count >= 1 do
{true, true}
else
{false, count}
end
else
if count == opts_count do
{true, true}
else
{false, count}
end
end
end
defp get_count(subject, func, args, pid) do
Enum.count(:meck.history(subject), fn(el) ->
cond do
pid == :any && args == :any ->
case el do
{_, {^subject, ^func, _}, _return} -> true
_ -> false
end
pid == :any ->
case el do
{_, {^subject, ^func, ^args}, _return} -> true
_ -> false
end
args == :any ->
case el do
{^pid, {^subject, ^func, _}, _return} -> true
_ -> false
end
true ->
case el do
{^pid, {^subject, ^func, ^args}, _return} -> true
_ -> false
end
end
end)
end
defp success_message(subject, [func, args, opts], _result, positive) do
pid = Keyword.get(opts, :pid) || :any
opts_count = Keyword.get(opts, :count) || :any
count = if opts_count == :any, do: "at least once", else: "`#{opts_count}` times"
to = if positive, do: "accepted", else: "didn't accept"
"`#{inspect subject}` #{to} `#{inspect func}` with `#{inspect args}` in process `#{inspect pid}` #{count}."
end
defp error_message(subject, [func, args, opts], result, positive) do
to = if positive, do: "to", else: "not to"
but = "it accepted the function `#{result}` times"
pid = Keyword.get(opts, :pid) || :any
opts_count = Keyword.get(opts, :count) || :any
count = if opts_count == :any, do: "at least once", else: "`#{opts_count}` times"
"Expected `#{subject}` #{to} accept `#{inspect func}` with `#{inspect args}` in process `#{inspect pid}` #{count}, but #{but}."
end
end