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# Copyright (c) Microsoft Corporation. All rights reserved.
# Licensed under the MIT License.
import os
import unittest
from microsoft.opentelemetry.exporter.azuremonitor import _utils
class TestUtils(unittest.TestCase):
def setUp(self):
os.environ.clear()
self._valid_instrumentation_key = (
"1234abcd-5678-4efa-8abc-1234567890ab"
)
def test_nanoseconds_to_duration(self):
ns_to_duration = _utils.ns_to_duration
self.assertEqual(ns_to_duration(0), "0.00:00:00.000")
self.assertEqual(ns_to_duration(1000000), "0.00:00:00.001")
self.assertEqual(ns_to_duration(1000000000), "0.00:00:01.000")
self.assertEqual(ns_to_duration(60 * 1000000000), "0.00:01:00.000")
self.assertEqual(ns_to_duration(3600 * 1000000000), "0.01:00:00.000")
self.assertEqual(ns_to_duration(86400 * 1000000000), "1.00:00:00.000")
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