user_search_test.exs
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user_search_test.exs
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	# Pleroma: A lightweight social networking server
	# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
	# SPDX-License-Identifier: AGPL-3.0-only

	defmodule Pleroma.UserSearchTest do
	alias Pleroma.Repo
	alias Pleroma.User
	use Pleroma.DataCase

	import Pleroma.Factory

	setup_all do
	Tesla.Mock.mock_global(fn env -> apply(HttpRequestMock, :request, [env]) end)
	:ok
	end

	describe "User.search" do
	setup do: clear_config([:instance, :limit_to_local_content])

	test "excludes invisible users from results" do
	user = insert(:user, %{nickname: "john t1000"})
	insert(:user, %{invisible: true, nickname: "john t800"})

	[found_user] = User.search("john")
	assert found_user.id == user.id
	end

	test "excludes users when discoverable is false" do
	insert(:user, %{nickname: "john 3000", discoverable: false})
	insert(:user, %{nickname: "john 3001"})

	users = User.search("john")
	assert Enum.count(users) == 1
	end

	test "excludes service actors from results" do
	insert(:user, actor_type: "Application", nickname: "user1")
	service = insert(:user, actor_type: "Service", nickname: "user2")
	person = insert(:user, actor_type: "Person", nickname: "user3")

	assert [found_user1, found_user2] = User.search("user")
	assert [found_user1.id, found_user2.id] -- [service.id, person.id] == []
	end

	test "accepts limit parameter" do
	Enum.each(0..4, &insert(:user, %{nickname: "john#{&1}"}))
	assert length(User.search("john", limit: 3)) == 3
	assert length(User.search("john")) == 5
	end

	test "accepts offset parameter" do
	Enum.each(0..4, &insert(:user, %{nickname: "john#{&1}"}))
	assert length(User.search("john", limit: 3)) == 3
	assert length(User.search("john", limit: 3, offset: 3)) == 2
	end

	defp clear_virtual_fields(user) do
	Map.merge(user, %{search_rank: nil, search_type: nil})
	end

	test "finds a user by full nickname or its leading fragment" do
	user = insert(:user, %{nickname: "john"})

	Enum.each(["john", "jo", "j"], fn query ->
	assert user ==
	User.search(query)
	\|> List.first()
	\|> clear_virtual_fields()
	end)
	end

	test "finds a user by full name or leading fragment(s) of its words" do
	user = insert(:user, %{name: "John Doe"})

	Enum.each(["John Doe", "JOHN", "doe", "j d", "j", "d"], fn query ->
	assert user ==
	User.search(query)
	\|> List.first()
	\|> clear_virtual_fields()
	end)
	end

	test "matches by leading fragment of user domain" do
	user = insert(:user, %{nickname: "arandom@dude.com"})
	insert(:user, %{nickname: "iamthedude"})

	assert [user.id] == User.search("dud") \|> Enum.map(& &1.id)
	end

	test "ranks full nickname match higher than full name match" do
	nicknamed_user = insert(:user, %{nickname: "hj@shigusegubu.club"})
	named_user = insert(:user, %{nickname: "xyz@sample.com", name: "HJ"})

	results = User.search("hj")

	assert [nicknamed_user.id, named_user.id] == Enum.map(results, & &1.id)
	assert Enum.at(results, 0).search_rank > Enum.at(results, 1).search_rank
	end

	test "finds users, considering density of matched tokens" do
	u1 = insert(:user, %{name: "Bar Bar plus Word Word"})
	u2 = insert(:user, %{name: "Word Word Bar Bar Bar"})

	assert [u2.id, u1.id] == Enum.map(User.search("bar word"), & &1.id)
	end

	test "finds users, boosting ranks of friends and followers" do
	u1 = insert(:user)
	u2 = insert(:user, %{name: "Doe"})
	follower = insert(:user, %{name: "Doe"})
	friend = insert(:user, %{name: "Doe"})

	{:ok, follower} = User.follow(follower, u1)
	{:ok, u1} = User.follow(u1, friend)

	assert [friend.id, follower.id, u2.id] --
	Enum.map(User.search("doe", resolve: false, for_user: u1), & &1.id) == []
	end

	test "finds followings of user by partial name" do
	lizz = insert(:user, %{name: "Lizz"})
	jimi = insert(:user, %{name: "Jimi"})
	following_lizz = insert(:user, %{name: "Jimi Hendrix"})
	following_jimi = insert(:user, %{name: "Lizz Wright"})
	follower_lizz = insert(:user, %{name: "Jimi"})

	{:ok, lizz} = User.follow(lizz, following_lizz)
	{:ok, _jimi} = User.follow(jimi, following_jimi)
	{:ok, _follower_lizz} = User.follow(follower_lizz, lizz)

	assert Enum.map(User.search("jimi", following: true, for_user: lizz), & &1.id) == [
	following_lizz.id
	]

	assert User.search("lizz", following: true, for_user: lizz) == []
	end

	test "find local and remote users for authenticated users" do
	u1 = insert(:user, %{name: "lain"})
	u2 = insert(:user, %{name: "ebn", nickname: "lain@mastodon.social", local: false})
	u3 = insert(:user, %{nickname: "lain@pleroma.soykaf.com", local: false})

	results =
	"lain"
	\|> User.search(for_user: u1)
	\|> Enum.map(& &1.id)
	\|> Enum.sort()

	assert [u1.id, u2.id, u3.id] == results
	end

	test "find only local users for unauthenticated users" do
	%{id: id} = insert(:user, %{name: "lain"})
	insert(:user, %{name: "ebn", nickname: "lain@mastodon.social", local: false})
	insert(:user, %{nickname: "lain@pleroma.soykaf.com", local: false})

	assert [%{id: ^id}] = User.search("lain")
	end

	test "find only local users for authenticated users when `limit_to_local_content` is `:all`" do
	Pleroma.Config.put([:instance, :limit_to_local_content], :all)

	%{id: id} = insert(:user, %{name: "lain"})
	insert(:user, %{name: "ebn", nickname: "lain@mastodon.social", local: false})
	insert(:user, %{nickname: "lain@pleroma.soykaf.com", local: false})

	assert [%{id: ^id}] = User.search("lain")
	end

	test "find all users for unauthenticated users when `limit_to_local_content` is `false`" do
	Pleroma.Config.put([:instance, :limit_to_local_content], false)

	u1 = insert(:user, %{name: "lain"})
	u2 = insert(:user, %{name: "ebn", nickname: "lain@mastodon.social", local: false})
	u3 = insert(:user, %{nickname: "lain@pleroma.soykaf.com", local: false})

	results =
	"lain"
	\|> User.search()
	\|> Enum.map(& &1.id)
	\|> Enum.sort()

	assert [u1.id, u2.id, u3.id] == results
	end

	test "does not yield false-positive matches" do
	insert(:user, %{name: "John Doe"})

	Enum.each(["mary", "a", ""], fn query ->
	assert [] == User.search(query)
	end)
	end

	test "works with URIs" do
	user = insert(:user)

	results =
	User.search("http://mastodon.example.org/users/admin", resolve: true, for_user: user)

	result = results \|> List.first()

	user = User.get_cached_by_ap_id("http://mastodon.example.org/users/admin")

	assert length(results) == 1

	expected =
	result
	\|> Map.put(:search_rank, nil)
	\|> Map.put(:search_type, nil)
	\|> Map.put(:last_digest_emailed_at, nil)
	\|> Map.put(:multi_factor_authentication_settings, nil)
	\|> Map.put(:notification_settings, nil)

	assert user == expected
	end

	test "excludes a blocked users from search result" do
	user = insert(:user, %{nickname: "Bill"})

	[blocked_user \| users] = Enum.map(0..3, &insert(:user, %{nickname: "john#{&1}"}))

	blocked_user2 =
	insert(
	:user,
	%{nickname: "john awful", ap_id: "https://awful-and-rude-instance.com/user/bully"}
	)

	User.block_domain(user, "awful-and-rude-instance.com")
	User.block(user, blocked_user)

	account_ids = User.search("john", for_user: refresh_record(user)) \|> collect_ids

	assert account_ids == collect_ids(users)
	refute Enum.member?(account_ids, blocked_user.id)
	refute Enum.member?(account_ids, blocked_user2.id)
	assert length(account_ids) == 3
	end

	test "local user has the same search_rank as for users with the same nickname, but another domain" do
	user = insert(:user)
	insert(:user, nickname: "lain@mastodon.social")
	insert(:user, nickname: "lain")
	insert(:user, nickname: "lain@pleroma.social")

	assert User.search("lain@localhost", resolve: true, for_user: user)
	\|> Enum.each(fn u -> u.search_rank == 0.5 end)
	end

	test "localhost is the part of the domain" do
	user = insert(:user)
	insert(:user, nickname: "another@somedomain")
	insert(:user, nickname: "lain")
	insert(:user, nickname: "lain@examplelocalhost")

	result = User.search("lain@examplelocalhost", resolve: true, for_user: user)
	assert Enum.each(result, fn u -> u.search_rank == 0.5 end)
	assert length(result) == 2
	end

	test "local user search with users" do
	user = insert(:user)
	local_user = insert(:user, nickname: "lain")
	insert(:user, nickname: "another@localhost.com")
	insert(:user, nickname: "localhost@localhost.com")

	[result] = User.search("lain@localhost", resolve: true, for_user: user)
	assert Map.put(result, :search_rank, nil) \|> Map.put(:search_type, nil) == local_user
	end

	test "works with idna domains" do
	user = insert(:user, nickname: "lain@" <> to_string(:idna.encode("zetsubou.みんな")))

	results = User.search("lain@zetsubou.みんな", resolve: false, for_user: user)

	result = List.first(results)

	assert user == result \|> Map.put(:search_rank, nil) \|> Map.put(:search_type, nil)
	end

	test "works with idna domains converted input" do
	user = insert(:user, nickname: "lain@" <> to_string(:idna.encode("zetsubou.みんな")))

	results =
	User.search("lain@zetsubou." <> to_string(:idna.encode("zetsubou.みんな")),
	resolve: false,
	for_user: user
	)

	result = List.first(results)

	assert user == result \|> Map.put(:search_rank, nil) \|> Map.put(:search_type, nil)
	end

	test "works with idna domains and bad chars in domain" do
	user = insert(:user, nickname: "lain@" <> to_string(:idna.encode("zetsubou.みんな")))

	results =
	User.search("lain@zetsubou!@#$%^&*()+,-/:;<=>?[]'_{}\|~`.みんな",
	resolve: false,
	for_user: user
	)

	result = List.first(results)

	assert user == result \|> Map.put(:search_rank, nil) \|> Map.put(:search_type, nil)
	end

	test "works with idna domains and query as link" do
	user = insert(:user, nickname: "lain@" <> to_string(:idna.encode("zetsubou.みんな")))

	results =
	User.search("https://zetsubou.みんな/users/lain",
	resolve: false,
	for_user: user
	)

	result = List.first(results)

	assert user == result \|> Map.put(:search_rank, nil) \|> Map.put(:search_type, nil)
	end
	end
	end

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