[svn r57321] merging the event branch:

* moving in test, misc, code, io directories and
  py/__init__.py
* py/bin/_find.py does not print to stderr anymore
* a few fixes to conftest files in other dirs
some more fixes and adjustments pending

--HG--
branch : trunk

py/test/looponfail/testing/test_util.py

@@ -0,0 +1,90 @@
+import py
+from py.__.test.looponfail.util import StatRecorder, EventRecorder
+from py.__.test import event
+
+def test_filechange():
+    tmp = py.test.ensuretemp("test_filechange")
+    hello = tmp.ensure("hello.py")
+    sd = StatRecorder([tmp])
+    changed = sd.check()
+    assert not changed
+
+    hello.write("world")
+    changed = sd.check()
+    assert changed
+
+    tmp.ensure("new.py")
+    changed = sd.check()
+    assert changed
+    
+    tmp.join("new.py").remove()
+    changed = sd.check()
+    assert changed
+
+    tmp.join("a", "b", "c.py").ensure()
+    changed = sd.check()
+    assert changed
+
+    tmp.join("a", "c.txt").ensure()
+    changed = sd.check()
+    assert changed
+    changed = sd.check()
+    assert not changed
+
+    tmp.join("a").remove()
+    changed = sd.check()
+    assert changed
+
+def test_pycremoval():
+    tmp = py.test.ensuretemp("test_pycremoval")
+    hello = tmp.ensure("hello.py")
+    sd = StatRecorder([tmp])
+    changed = sd.check()
+    assert not changed
+
+    pycfile = hello + "c"
+    pycfile.ensure()
+    changed = sd.check()
+    assert not changed 
+
+    hello.write("world")
+    changed = sd.check()
+    assert not pycfile.check()
+    
+
+def test_waitonchange():
+    tmp = py.test.ensuretemp("test_waitonchange")
+    sd = StatRecorder([tmp])
+
+    wp = py._thread.WorkerPool(1)
+    reply = wp.dispatch(sd.waitonchange, checkinterval=0.2)
+    py.std.time.sleep(0.05)
+    tmp.ensure("newfile.py")
+    reply.get(timeout=0.5)
+    wp.shutdown()
+    
+def test_eventrecorder():
+    bus = event.EventBus()
+    recorder = EventRecorder(bus)
+    bus.notify(event.NOP())
+    assert recorder.events 
+    assert not recorder.getfailures()
+    rep = event.ItemTestReport(None, failed=True)
+    bus.notify(rep)
+    failures = recorder.getfailures()
+    assert failures == [rep]
+    recorder.clear() 
+    assert not recorder.events
+    assert not recorder.getfailures()
+    recorder.unsubscribe()
+    bus.notify(rep)
+    assert not recorder.events 
+    assert not recorder.getfailures()
+    
+    
+        
+    
+    
+    
+    
+