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+# Copyright 2021 Google Inc. All rights reserved.
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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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+import unittest
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+
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+from pyfakefs import fake_filesystem_unittest
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+
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+import bloaty_merger
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+import file_sections_pb2
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+
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+
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+class BloatyMergerTestCase(fake_filesystem_unittest.TestCase):
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+ def setUp(self):
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+ self.setUpPyfakefs()
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+
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+ def test_parse_csv(self):
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+ csv_content = "sections,vmsize,filesize\nsection1,2,3\n"
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+ self.fs.create_file("file1.bloaty.csv", contents=csv_content)
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+ pb = bloaty_merger.parse_csv("file1.bloaty.csv")
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+ self.assertEqual(pb.path, "file1")
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+ self.assertEqual(len(pb.sections), 1)
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+ s = pb.sections[0]
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+ self.assertEqual(s.name, "section1")
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+ self.assertEqual(s.vm_size, 2)
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+ self.assertEqual(s.file_size, 3)
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+
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+ def test_missing_file(self):
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+ with self.assertRaises(FileNotFoundError):
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+ bloaty_merger.parse_csv("missing.bloaty.csv")
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+
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+ def test_malformed_csv(self):
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+ csv_content = "header1,heaVder2,header3\n4,5,6\n"
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+ self.fs.create_file("file1.bloaty.csv", contents=csv_content)
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+ with self.assertRaises(KeyError):
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+ bloaty_merger.parse_csv("file1.bloaty.csv")
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+
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+ def test_create_file_metrics(self):
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+ file_list = "file1.bloaty.csv file2.bloaty.csv"
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+ file1_content = "sections,vmsize,filesize\nsection1,2,3\nsection2,7,8"
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+ file2_content = "sections,vmsize,filesize\nsection1,4,5\n"
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+
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+ self.fs.create_file("files.lst", contents=file_list)
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+ self.fs.create_file("file1.bloaty.csv", contents=file1_content)
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+ self.fs.create_file("file2.bloaty.csv", contents=file2_content)
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+
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+ bloaty_merger.create_file_size_metrics("files.lst", "output.pb")
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+
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+ metrics = file_sections_pb2.FileSizeMetrics()
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+ with open("output.pb", "rb") as output:
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+ metrics.ParseFromString(output.read())
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+
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+
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+if __name__ == '__main__':
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+ suite = unittest.TestLoader().loadTestsFromTestCase(BloatyMergerTestCase)
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+ unittest.TextTestRunner(verbosity=2).run(suite)
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