120 lines
3.8 KiB
Python
120 lines
3.8 KiB
Python
# Copyright The OpenTelemetry Authors
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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# type: ignore
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from io import StringIO
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from random import sample
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from unittest import TestCase
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from unittest.mock import call, patch
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from opentelemetry.instrumentation import bootstrap
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from opentelemetry.instrumentation.bootstrap_gen import (
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default_instrumentations,
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libraries,
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)
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def sample_packages(packages, rate):
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return sample(
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list(packages),
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int(len(packages) * rate),
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)
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class TestBootstrap(TestCase):
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installed_libraries = {}
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installed_instrumentations = {}
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@classmethod
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def setUpClass(cls):
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cls.installed_libraries = sample_packages(
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[lib["instrumentation"] for lib in libraries], 0.6
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)
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# treat 50% of sampled packages as pre-installed
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cls.installed_instrumentations = sample_packages(
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cls.installed_libraries, 0.5
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)
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cls.pkg_patcher = patch(
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"opentelemetry.instrumentation.bootstrap._find_installed_libraries",
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return_value=cls.installed_libraries,
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)
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cls.pip_install_patcher = patch(
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"opentelemetry.instrumentation.bootstrap._sys_pip_install",
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)
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cls.pip_check_patcher = patch(
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"opentelemetry.instrumentation.bootstrap._pip_check",
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)
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def setUp(self):
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super().setUp()
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self.mock_pip_check = self.pip_check_patcher.start()
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self.mock_pip_install = self.pip_install_patcher.start()
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def tearDown(self):
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super().tearDown()
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self.pip_check_patcher.stop()
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self.pip_install_patcher.stop()
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@patch("sys.argv", ["bootstrap", "-a", "pipenv"])
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def test_run_unknown_cmd(self):
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with self.assertRaises(SystemExit):
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bootstrap.run()
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@patch("sys.argv", ["bootstrap", "-a", "requirements"])
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def test_run_cmd_print(self):
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self.pkg_patcher.start()
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with patch("sys.stdout", new=StringIO()) as fake_out:
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bootstrap.run()
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self.assertEqual(
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fake_out.getvalue(),
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"\n".join(self.installed_libraries) + "\n",
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)
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self.pkg_patcher.stop()
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@patch("sys.argv", ["bootstrap", "-a", "install"])
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def test_run_cmd_install(self):
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self.pkg_patcher.start()
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bootstrap.run()
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self.mock_pip_install.assert_has_calls(
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[call(i) for i in self.installed_libraries],
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any_order=True,
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)
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self.mock_pip_check.assert_called_once()
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self.pkg_patcher.stop()
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@patch("sys.argv", ["bootstrap", "-a", "install"])
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def test_can_override_available_libraries(self):
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bootstrap.run(libraries=[])
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self.mock_pip_install.assert_has_calls(
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[call(i) for i in default_instrumentations],
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any_order=True,
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)
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self.mock_pip_check.assert_called_once()
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@patch("sys.argv", ["bootstrap", "-a", "install"])
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def test_can_override_available_default_instrumentations(self):
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with patch(
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"opentelemetry.instrumentation.bootstrap._is_installed",
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return_value=True,
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):
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bootstrap.run(default_instrumentations=[])
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self.mock_pip_install.assert_has_calls(
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[call(i) for i in self.installed_libraries],
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any_order=True,
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)
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self.mock_pip_check.assert_called_once()
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