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Tests: Add InodeWatcher and FileWatcher tests

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This patch adds some rudimentary tests for InodeWatcher.  It tests the
basic functionality, but maybe there are corner cases I haven't caught.
Additionally, this is our first LibCore test. :^)
This commit is contained in:
sin-ack 2021-05-10 09:27:04 +00:00 • committed by Andreas Kling
parent ae9e352104
commit 60eb4adac2
5 changed files with 240 additions and 0 deletions
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60
Tests/LibCore/TestLibCoreFileWatcher.cpp Normal file
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/*
* Copyright (c) 2021, the SerenityOS developers.
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <Kernel/API/InodeWatcherEvent.h>
#include <LibCore/EventLoop.h>
#include <LibCore/FileWatcher.h>
#include <LibCore/Timer.h>
#include <LibTest/TestCase.h>
#include <fcntl.h>
#include <unistd.h>
TEST_CASE(file_watcher_child_events)
{
auto event_loop = Core::EventLoop();
auto maybe_file_watcher = Core::FileWatcher::create();
EXPECT_NE(maybe_file_watcher.is_error(), true);
auto file_watcher = maybe_file_watcher.release_value();
auto watch_result = file_watcher->add_watch("/tmp/",
Core::FileWatcherEvent::Type::ChildCreated
| Core::FileWatcherEvent::Type::ChildDeleted);
EXPECT_NE(watch_result.is_error(), true);
int event_count = 0;
file_watcher->on_change = [&](Core::FileWatcherEvent const& event) {
if (event_count == 0) {
EXPECT_EQ(event.event_path, "/tmp/testfile");
EXPECT_EQ(event.type, Core::FileWatcherEvent::Type::ChildCreated);
} else if (event_count == 1) {
EXPECT_EQ(event.event_path, "/tmp/testfile");
EXPECT_EQ(event.type, Core::FileWatcherEvent::Type::ChildDeleted);
event_loop.quit(0);
}
event_count++;
};
auto timer1 = Core::Timer::create_single_shot(500, [&] {
int rc = creat("/tmp/testfile", 0777);
EXPECT_NE(rc, -1);
});
timer1->start();
auto timer2 = Core::Timer::create_single_shot(1000, [&] {
int rc = unlink("/tmp/testfile");
EXPECT_NE(rc, -1);
});
timer2->start();
auto catchall_timer = Core::Timer::create_single_shot(2000, [&] {
VERIFY_NOT_REACHED();
});
catchall_timer->start();
event_loop.exec();
}