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Issue #5086 Improve ScannerTest 

Signed-off-by: Jan Bartel <janb@webtide.com>
This commit is contained in:
Jan Bartel 2020-12-01 15:55:45 +01:00
parent 4883332593
commit 4304c7861c
1 changed files with 31 additions and 26 deletions
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57
jetty-util/src/test/java/org/eclipse/jetty/util/ScannerTest.java
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@ -24,6 +24,8 @@ import java.io.IOException;
import java.io.OutputStream;
import java.nio.file.Path;
import java.nio.file.PathMatcher;
import java.util.ArrayList;
import java.util.List;
import java.util.Set;
import java.util.concurrent.BlockingQueue;
import java.util.concurrent.LinkedBlockingQueue;
@ -121,6 +123,20 @@ public class ScannerTest
_filename = filename;
_notification = notification;
}
@Override
public boolean equals(Object obj)
{
return ((Event)obj)._filename.equals(_filename) && ((Event)obj)._notification == _notification;
}
@Override
public String toString()
{
return ("File: " + _filename + ":" + _notification);
}
}
@Test
@ -274,7 +290,6 @@ public class ScannerTest
@Test
@DisabledOnOs(WINDOWS) // TODO: needs review
@DisabledIfSystemProperty(named = "env", matches = "ci") // TODO: SLOW, needs review
public void testAddedChangeRemove() throws Exception
{
touch("a0");
@ -304,19 +319,14 @@ public class ScannerTest
touch("a2");
delete("a3");
// only a1 is stable so it should be seen.
// only a1 is stable so it should be seen, a3 is deleted
_scanner.scan();
event = _queue.poll();
assertNotNull(event);
assertEquals(_directory + "/a1", event._filename);
assertEquals(Notification.ADDED, event._notification);
//TODO: behaviour change, we should see an immediate
//delete for a3
event = _queue.poll();
assertNotNull(event);
assertEquals(_directory + "/a3", event._filename);
assertEquals(Notification.REMOVED, event._notification);
List<Event> actualEvents = new ArrayList<>();
_queue.drainTo(actualEvents);
assertEquals(2, actualEvents.size());
Event a1 = new Event(_directory + "/a1", Notification.ADDED);
Event a3 = new Event(_directory + "/a3", Notification.REMOVED);
assertThat(actualEvents, Matchers.containsInAnyOrder(a1, a3));
assertTrue(_queue.isEmpty());
// Now a2 is stable
@ -360,18 +370,14 @@ public class ScannerTest
delete("a1");
delete("a2");
//TODO: behaviour change, now we get immediate notification of
//deletes.
//Immediate notification of deletes.
_scanner.scan();
event = _queue.poll();
assertNotNull(event);
assertEquals(_directory + "/a1", event._filename);
assertEquals(Notification.REMOVED, event._notification);
event = _queue.poll();
assertNotNull(event);
assertEquals(_directory + "/a2", event._filename);
assertEquals(Notification.REMOVED, event._notification);
a1 = new Event(_directory + "/a1", Notification.REMOVED);
Event a2 = new Event(_directory + "/a2", Notification.REMOVED);
actualEvents = new ArrayList<>();
_queue.drainTo(actualEvents);
assertEquals(2, actualEvents.size());
assertThat(actualEvents, Matchers.containsInAnyOrder(a1, a2));
assertTrue(_queue.isEmpty());
// recreate a2
@ -383,8 +389,7 @@ public class ScannerTest
assertNull(event);
assertTrue(_queue.isEmpty());
//TODO: behaviour change, now a2 is reported as ADDED. Previously, a2
//delete was not reported, but was reported as CHANGED when re-added.
//Now a2 is reported as ADDED.
_scanner.scan();
event = _queue.poll();
assertTrue(event != null);