def testInstant(self) -> None:
et = EventTracer()
et.instant("Test Begins", "p")
et.begin("running program")
et.end()
self.assertEqual(3, len(et.buffer))
self.assertArraySubset({
"ph": "I",
"name": "Test Begins"
}, et.buffer[0])
def testBeginEnd(self) -> None:
et = EventTracer()
et.begin("running program")
et.end()
self.assertEqual(2, len(et.buffer))
self.assertArraySubset({
"ph": "B",
"name": "running program"
}, et.buffer[0])
self.assertArraySubset({"ph": "E"}, et.buffer[1])
def testNesting(self) -> None:
et = EventTracer()
et.begin("running program")
hello(et)
greet(et, "world")
et.end()
self.assertEqual(5, len(et.buffer))
self.assertArraySubset({
"ph": "B",
"name": "running program"
}, et.buffer[0])
self.assertArraySubset({"ph": "E"}, et.buffer[4])
def hello(et: EventTracer) -> None:
global out
et.begin("saying hello")
out += "hello "
minisleep()
et.end()