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Tests: Make TestLibCoreFileWatcher more reliable

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This test could fail when `/tmp/testfile` already exists.

There also shouldn't be a need to wait so long for this test,
except for on MacOS, where the `FileWatcher` implementation is
apparently less reliable.
This commit is contained in:
Jonne Ransijn 2024-11-23 23:02:40 +01:00 committed by Andreas Kling
parent 506e490793
commit 08b7e83f95
Notes: github-actions[bot] 2024-11-25 13:31:08 +00:00 
Author: https://github.com/yyny
Commit: https://github.com/LadybirdBrowser/ladybird/commit/08b7e83f95f
Pull-request: https://github.com/LadybirdBrowser/ladybird/pull/2539
1 changed files with 19 additions and 11 deletions
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30
Tests/LibCore/TestLibCoreFileWatcher.cpp
View file

@ -15,12 +15,21 @@
#include <fcntl.h>
#include <unistd.h>
#ifdef AK_OS_MACOS
constexpr int TIMEOUT_PER_STEP_IN_MS = 500;
#else
constexpr int TIMEOUT_PER_STEP_IN_MS = 50;
#endif
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);
// Ensure the testfile does not already exist.
(void)Core::System::unlink("/tmp/testfile"sv);
auto file_watcher = maybe_file_watcher.release_value();
auto watch_result = file_watcher->add_watch("/tmp/",
Core::FileWatcherEvent::Type::ChildCreated
@ -46,19 +55,18 @@ TEST_CASE(file_watcher_child_events)
event_count++;
};
auto timer1 = Core::Timer::create_single_shot(500, [&] {
auto timer1 = Core::Timer::create_single_shot(1 * TIMEOUT_PER_STEP_IN_MS, [&] {
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);
auto timer2 = Core::Timer::create_single_shot(2 * TIMEOUT_PER_STEP_IN_MS, [&] {
MUST(Core::System::unlink("/tmp/testfile"sv));
});
timer2->start();
auto catchall_timer = Core::Timer::create_single_shot(2000, [&] {
auto catchall_timer = Core::Timer::create_single_shot(3 * TIMEOUT_PER_STEP_IN_MS, [&] {
VERIFY_NOT_REACHED();
});
catchall_timer->start();
@ -94,13 +102,13 @@ TEST_CASE(contents_changed)
}
};
auto timer1 = Core::Timer::create_single_shot(500, [&] { write_file("line2\n"sv); });
auto timer1 = Core::Timer::create_single_shot(1 * TIMEOUT_PER_STEP_IN_MS, [&] { write_file("line2\n"sv); });
timer1->start();
auto timer2 = Core::Timer::create_single_shot(1000, [&] { write_file("line3\n"sv); });
auto timer2 = Core::Timer::create_single_shot(2 * TIMEOUT_PER_STEP_IN_MS, [&] { write_file("line3\n"sv); });
timer2->start();
auto catchall_timer = Core::Timer::create_single_shot(2000, [&] {
auto catchall_timer = Core::Timer::create_single_shot(3 * TIMEOUT_PER_STEP_IN_MS, [&] {
VERIFY_NOT_REACHED();
});
catchall_timer->start();
@ -139,19 +147,19 @@ TEST_CASE(symbolic_link)
}
};
auto timer1 = Core::Timer::create_single_shot(500, [&] {
auto timer1 = Core::Timer::create_single_shot(1 * TIMEOUT_PER_STEP_IN_MS, [&] {
MUST(Core::System::unlink(test_file.string()));
MUST(Core::System::symlink(test_link1.string(), test_file.string()));
});
timer1->start();
auto timer2 = Core::Timer::create_single_shot(1000, [&] {
auto timer2 = Core::Timer::create_single_shot(2 * TIMEOUT_PER_STEP_IN_MS, [&] {
MUST(Core::System::unlink(test_file.string()));
MUST(Core::System::symlink(test_link2.string(), test_file.string()));
});
timer2->start();
auto catchall_timer = Core::Timer::create_single_shot(2000, [&] {
auto catchall_timer = Core::Timer::create_single_shot(3 * TIMEOUT_PER_STEP_IN_MS, [&] {
VERIFY_NOT_REACHED();
});
catchall_timer->start();