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57 lines
1.9 KiB
Python
57 lines
1.9 KiB
Python
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# Copyright 2022 The Android Open Source Project
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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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"""Unittests for the repo_trace.py module."""
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import os
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import unittest
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from unittest import mock
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import repo_trace
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class TraceTests(unittest.TestCase):
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"""Check Trace behavior."""
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def testTrace_MaxSizeEnforced(self):
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content = 'git chicken'
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with repo_trace.Trace(content, first_trace=True):
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pass
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first_trace_size = os.path.getsize(repo_trace._TRACE_FILE)
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with repo_trace.Trace(content):
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pass
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self.assertGreater(
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os.path.getsize(repo_trace._TRACE_FILE), first_trace_size)
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# Check we clear everything is the last chunk is larger than _MAX_SIZE.
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with mock.patch('repo_trace._MAX_SIZE', 0):
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with repo_trace.Trace(content, first_trace=True):
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pass
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self.assertEqual(first_trace_size,
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os.path.getsize(repo_trace._TRACE_FILE))
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# Check we only clear the chunks we need to.
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repo_trace._MAX_SIZE = (first_trace_size + 1) / (1024 * 1024)
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with repo_trace.Trace(content, first_trace=True):
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pass
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self.assertEqual(first_trace_size * 2,
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os.path.getsize(repo_trace._TRACE_FILE))
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with repo_trace.Trace(content, first_trace=True):
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pass
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self.assertEqual(first_trace_size * 2,
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os.path.getsize(repo_trace._TRACE_FILE))
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