vibe-core/tests/dirwatcher.d

108 lines
2.8 KiB
D

/+ dub.json:
{
"name": "tests",
"description": "Test for vibe.d's DirectoryWatcher.",
"dependencies": {
"vibe-core": {"path": "../"}
}
}
+/
import vibe.core.core;
import vibe.core.file;
import vibe.core.log;
import vibe.core.path;
import std.algorithm : canFind, all;
import std.file, std.process;
import std.format : format;
import std.conv : to;
import std.path : buildPath;
import std.typecons : No, Yes;
import core.exception : AssertError;
import core.time : msecs, seconds;
void runTest()
{
auto dir = buildPath(tempDir, format("dirwatcher_test_%d", thisProcessID()));
mkdir(dir);
scope(exit) rmdirRecurse(dir);
DirectoryWatcher watcher;
try watcher = Path(dir).watchDirectory(No.recursive);
catch (AssertError e) {
logInfo("DirectoryWatcher not yet implemented. Skipping test.");
return;
}
DirectoryChange[] changes;
assert(!watcher.readChanges(changes, 1500.msecs));
auto foo = dir.buildPath("foo");
alias Type = DirectoryChangeType;
static DirectoryChange dc(Type t, string p) { return DirectoryChange(t, Path(p)); }
void check(DirectoryChange[] expected)
{
sleep(1500.msecs);
assert(watcher.readChanges(changes, 100.msecs), "Could not read changes for " ~ expected.to!string);
assert(expected.all!((a)=> changes.canFind(a))(), "Change is not what was expected, got: " ~ changes.to!string ~ " but expected: " ~ expected.to!string);
assert(!watcher.readChanges(changes, 0.msecs), "Changes were returned when they shouldn't have, for " ~ expected.to!string);
}
write(foo, null);
check([dc(Type.added, foo)]);
sleep(1500.msecs);
write(foo, [0, 1]);
check([dc(Type.modified, foo)]);
remove(foo);
check([dc(Type.removed, foo)]);
write(foo, null);
sleep(1500.msecs);
write(foo, [0, 1]);
sleep(1500.msecs);
remove(foo);
check([dc(Type.added, foo), dc(Type.modified, foo), dc(Type.removed, foo)]);
auto subdir = dir.buildPath("subdir");
mkdir(subdir);
check([dc(Type.added, subdir)]);
auto bar = subdir.buildPath("bar");
write(bar, null);
assert(!watcher.readChanges(changes, 100.msecs));
remove(bar);
watcher = Path(dir).watchDirectory(Yes.recursive);
write(foo, null);
sleep(1500.msecs);
write(foo, [0, 1]);
sleep(1500.msecs);
remove(foo);
write(bar, null);
sleep(1500.msecs);
write(bar, [0, 1]);
sleep(1500.msecs);
remove(bar);
check([dc(Type.added, foo), dc(Type.modified, foo), dc(Type.removed, foo),
dc(Type.added, bar), dc(Type.modified, bar), dc(Type.removed, bar)]);
write(foo, null);
sleep(1500.msecs);
rename(foo, bar);
sleep(1500.msecs);
remove(bar);
check([dc(Type.added, foo), dc(Type.removed, foo), dc(Type.added, bar), dc(Type.removed, bar)]);
}
int main()
{
int ret = 0;
runTask({
try runTest();
catch (Throwable th) {
logError("Test failed: %s", th.toString());
ret = 1;
} finally exitEventLoop(true);
});
runEventLoop();
return ret;
}