mirror of
https://github.com/processone/ejabberd.git
synced 2024-12-22 17:28:25 +01:00
193 lines
6.8 KiB
Elixir
193 lines
6.8 KiB
Elixir
# ----------------------------------------------------------------------
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#
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# ejabberd, Copyright (C) 2002-2016 ProcessOne
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License as
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# published by the Free Software Foundation; either version 2 of the
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# License, or (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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# General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License along
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# with this program; if not, write to the Free Software Foundation, Inc.,
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# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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#
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# ----------------------------------------------------------------------
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defmodule EjabberdHooksTest do
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use ExUnit.Case, async: true
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@author "mremond@process-one.net"
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@host <<"domain.net">>
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@self __MODULE__
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setup_all do
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{:ok, _Pid} = :ejabberd_hooks.start_link
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:ok
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end
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setup do
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:meck.unload
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:true = :ejabberd_hooks.delete_all_hooks
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:ok
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end
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test "An anonymous function can be added as a hook" do
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hookname = :test_fun_hook
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:ok = :ejabberd_hooks.add(hookname, @host, fn _ -> :ok end, 50)
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[{50, :undefined, _}] = :ejabberd_hooks.get_handlers(hookname, @host)
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end
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test "A module function can be added as a hook" do
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hookname = :test_mod_hook
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callback = :hook_callback
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:ok = :ejabberd_hooks.add(hookname, @host, @self, callback, 40)
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[{40, @self, _callback}] = :ejabberd_hooks.get_handlers(hookname, @host)
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end
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test "An anonymous function can be removed from hook handlers" do
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hookname = :test_fun_hook
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anon_fun = fn _ -> :ok end
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:ok = :ejabberd_hooks.add(hookname, @host, anon_fun, 50)
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:ok = :ejabberd_hooks.delete(hookname, @host, anon_fun, 50)
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[] = :ejabberd_hooks.get_handlers(hookname, @host)
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end
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test "An module function can be removed from hook handlers" do
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hookname = :test_mod_hook
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callback = :hook_callback
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:ok = :ejabberd_hooks.add(hookname, @host, @self, callback, 40)
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:ok = :ejabberd_hooks.delete(hookname, @host, @self, callback, 40)
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[] = :ejabberd_hooks.get_handlers(hookname, @host)
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# TODO: Check that removed function is not call anymore
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end
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test "'Run hook' call registered handler once" do
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test_result = :hook_result
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run_hook([], fn -> test_result end, test_result)
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end
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test "'Run hook' can call registered handler with parameters" do
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test_result = :hook_result_with_params
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run_hook([:hook_params], fn _ -> test_result end, test_result)
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end
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# TODO test "Several handlers are run in order by hook"
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test "Hook run chain is stopped when handler return 'stop'" do
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# setup test
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hookname = :test_mod_hook
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modulename = :hook_module
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mock(modulename, :hook_callback1, fn _ -> :stop end)
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mock(modulename, :hook_callback2, fn _ -> :end_result end)
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:ok = :ejabberd_hooks.add(hookname, @host, modulename, :hook_callback1, 40)
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:ok = :ejabberd_hooks.add(hookname, @host, modulename, :hook_callback1, 50)
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:ok = :ejabberd_hooks.run(hookname, @host, [:hook_params])
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# callback2 is never run:
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[{_pid, {^modulename, _callback, [:hook_params]}, :stop}] = :meck.history(modulename)
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end
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test "Run fold hooks accumulate state in correct order through handlers" do
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# setup test
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hookname = :test_mod_hook
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modulename = :hook_module
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mock(modulename, :hook_callback1, fn(list, user) -> [user|list] end)
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mock(modulename, :hook_callback2, fn(list, _user) -> ["jid2"|list] end)
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:ok = :ejabberd_hooks.add(hookname, @host, modulename, :hook_callback1, 40)
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:ok = :ejabberd_hooks.add(hookname, @host, modulename, :hook_callback2, 50)
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["jid2", "jid1"] = :ejabberd_hooks.run_fold(hookname, @host, [], ["jid1"])
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end
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test "Hook run_fold are executed based on priority order, not registration order" do
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# setup test
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hookname = :test_mod_hook
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modulename = :hook_module
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mock(modulename, :hook_callback1, fn(_acc) -> :first end)
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mock(modulename, :hook_callback2, fn(_acc) -> :second end)
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:ok = :ejabberd_hooks.add(hookname, @host, modulename, :hook_callback2, 50)
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:ok = :ejabberd_hooks.add(hookname, @host, modulename, :hook_callback1, 40)
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:second = :ejabberd_hooks.run_fold(hookname, @host, :started, [])
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# Both module have been called:
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2 = length(:meck.history(modulename))
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end
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# TODO: Test with ability to stop and return a value
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test "Hook run_fold chain is stopped when handler return 'stop'" do
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# setup test
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hookname = :test_mod_hook
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modulename = :hook_module
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mock(modulename, :hook_callback1, fn(_acc) -> :stop end)
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mock(modulename, :hook_callback2, fn(_acc) -> :executed end)
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:ok = :ejabberd_hooks.add(hookname, @host, modulename, :hook_callback1, 40)
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:ok = :ejabberd_hooks.add(hookname, @host, modulename, :hook_callback2, 50)
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:stopped = :ejabberd_hooks.run_fold(hookname, @host, :started, [])
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# Only one module has been called
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[{_pid, {^modulename, :hook_callback1, [:started]}, :stop}] = :meck.history(modulename)
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end
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test "Error in run_fold is ignored" do
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run_fold_crash(fn(_acc) -> raise "crashed" end)
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end
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test "Throw in run_fold is ignored" do
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run_fold_crash(fn(_acc) -> throw :crashed end)
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end
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test "Exit in run_fold is ignored" do
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run_fold_crash(fn(_acc) -> exit :crashed end)
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end
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# test for run hook with various number of params
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def run_hook(params, fun, result) do
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# setup test
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hookname = :test_mod_hook
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modulename = :hook_module
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callback = :hook_callback
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mock(modulename, callback, fun)
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# Then check
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:ok = :ejabberd_hooks.add(hookname, @host, modulename, callback, 40)
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:ok = :ejabberd_hooks.run(hookname, @host, params)
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[{_pid, {^modulename, ^callback, ^params}, ^result}] = :meck.history(modulename)
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end
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def run_fold_crash(crash_fun) do
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# setup test
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hookname = :test_mod_hook
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modulename = :hook_module
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mock(modulename, :hook_callback1, crash_fun)
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mock(modulename, :hook_callback2, fn(_acc) -> :final end)
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:ok = :ejabberd_hooks.add(hookname, @host, modulename, :hook_callback1, 40)
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:ok = :ejabberd_hooks.add(hookname, @host, modulename, :hook_callback2, 50)
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:final = :ejabberd_hooks.run_fold(hookname, @host, :started, [])
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# Both handlers were called
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2 = length(:meck.history(modulename))
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end
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# TODO refactor: Move to ejabberd_test_mock
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def mock(module, function, fun) do
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try do
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:meck.new(module, [:non_strict])
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catch
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:error, {:already_started, _pid} -> :ok
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end
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:meck.expect(module, function, fun)
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end
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end
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