language_detector_test.exs
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language_detector_test.exs
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	# Pleroma: A lightweight social networking server
	# Copyright © 2017-2022 Pleroma Authors <https://pleroma.social/>
	# SPDX-License-Identifier: AGPL-3.0-only

	defmodule Pleroma.Language.LanguageDetectorTest do
	use Pleroma.DataCase, async: true

	alias Pleroma.Language.LanguageDetector
	alias Pleroma.Language.LanguageDetectorMock
	alias Pleroma.StaticStubbedConfigMock

	import Mox

	setup do
	# Stub the StaticStubbedConfigMock to return our mock for the provider
	StaticStubbedConfigMock
	\|> stub(:get, fn
	[Pleroma.Language.LanguageDetector, :provider] -> LanguageDetectorMock
	_other -> nil
	end)

	# Stub the LanguageDetectorMock with default implementations
	LanguageDetectorMock
	\|> stub(:missing_dependencies, fn -> [] end)
	\|> stub(:configured?, fn -> true end)

	:ok
	end

	test "it detects text language" do
	LanguageDetectorMock
	\|> expect(:detect, fn _text -> "fr" end)

	detected_language = LanguageDetector.detect("Je viens d'atterrir en Tchéquie.")

	assert detected_language == "fr"
	end

	test "it returns nil if text is not long enough" do
	# No need to set expectations as the word count check happens before the provider is called

	detected_language = LanguageDetector.detect("it returns nil")

	assert detected_language == nil
	end

	test "it returns nil if no provider specified" do
	# Override the stub to return nil for the provider
	StaticStubbedConfigMock
	\|> expect(:get, fn [Pleroma.Language.LanguageDetector, :provider] -> nil end)

	detected_language = LanguageDetector.detect("this should also return nil")

	assert detected_language == nil
	end
	end