def testFlushUnbuffered(self) -> None:
try:
et = EventTracer(self.tmpfile)
et.flush(self.tmpfile)
self.assertTrue(False)
except Exception:
self.assertTrue(True)
def testEndOutstanding(self) -> None:
et = EventTracer()
et.clear()
# clearing an un-used thread shouldn't crash
et.begin("a")
et.begin("b")
et.begin("c")
self.assertEqual(3, len(et.buffer))
et.clear()
self.assertEqual(6, len(et.buffer))
et.flush(self.tmpfile)
self.assertEqual(0, len(et.buffer))
def testFlushingWrites(self) -> None:
# Write two streams and make sure there's only one beginning
et1 = EventTracer()
et2 = EventTracer()
et1.complete(nanotime(), 1, "flushed 1")
et2.complete(nanotime(), 1, "flushed 2")
et1.flush(self.tmpfile)
et2.flush(self.tmpfile)
# finished_data = data, minus trailing comma, plus closing brace
with open(self.tmpfile) as fp:
data = fp.read()
finished_data = data[:-2] + "\n]"
buffer = json.loads(finished_data)
self.assertEqual(2, len(buffer))