| #!/usr/bin/python3 |
| # |
| # Copyright (C) 2021 The Android Open Source Project |
| # |
| # Licensed under the Apache License, Version 2.0 (the "License"); |
| # you may not use this file except in compliance with the License. |
| # You may obtain a copy of the License at |
| # |
| # http://www.apache.org/licenses/LICENSE-2.0 |
| # |
| # Unless required by applicable law or agreed to in writing, software |
| # distributed under the License is distributed on an "AS IS" BASIS, |
| # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| # See the License for the specific language governing permissions and |
| # limitations under the License. |
| """Tests for change_report.py.""" |
| |
| import os |
| import pathlib |
| import unittest |
| |
| import change_report |
| |
| |
| class ChangeReportTest(unittest.TestCase): |
| """Tests for ChangeReport.""" |
| |
| def setUp(self): |
| super().setUp() |
| old_dir = str(ChangeReportTest.get_resrouce_path('old_codebase')) |
| new_dir = str(ChangeReportTest.get_resrouce_path('new_codebase')) |
| self.change_report = change_report.ChangeReport( |
| old_dir, new_dir, state_filter='0,1,2,3,4') |
| |
| def test_get_diff_stat_lines(self): |
| """Tests if the diff stat of new & old_codebase matches change_report-new_vs_old_codebase.csv.""" |
| diff_stat_lines = [] |
| diff_stat_lines.append(change_report.ChangeReport.get_diff_stat_header()) |
| diff_stat_lines.extend(self.change_report.get_diff_stat_lines()) |
| |
| expected_diff_stat_lines = ChangeReportTest.get_expected_lines( |
| 'change_report-new_vs_old_codebase.csv') |
| |
| offending_line_indexes = ChangeReportTest.diff_lines( |
| expected_diff_stat_lines, diff_stat_lines) |
| self.assertEqual(len(offending_line_indexes), 0) |
| |
| def test_get_diff_lines(self): |
| """Tests if the diff stat of new & old_codebase matches change_report_diff-new_vs_old_codebase.txt.""" |
| diff_lines = self.change_report.get_diff_lines() |
| |
| expected_diff_lines = ChangeReportTest.get_expected_lines( |
| 'change_report_diff-new_vs_old_codebase.txt') |
| |
| offending_line_indexes = ChangeReportTest.diff_lines( |
| expected_diff_lines, diff_lines) |
| self.assertEqual(len(offending_line_indexes), 0) |
| |
| @staticmethod |
| def get_resrouce_path(target): |
| # .../dev/change_report_test.py |
| this_path = pathlib.Path(os.path.abspath(__file__)).parents[0] |
| return pathlib.Path(this_path, 'resource', target) |
| |
| @staticmethod |
| def get_expected_lines(target): |
| file = ChangeReportTest.get_resrouce_path(target) |
| with open(file, 'r') as f: |
| lines = f.readlines() |
| return lines |
| |
| @staticmethod |
| def diff_lines(expected, actual): |
| expected_len = len(expected) |
| actual_len = len(actual) |
| offending_line_indexes = [] |
| |
| if actual_len < expected_len: |
| l = actual_len |
| else: |
| l = expected_len |
| |
| for i in range(l): |
| if expected[i] != actual[i]: |
| print('ERROR: line %d is not as expected' % i) |
| print(expected[i]) |
| print(actual[i]) |
| offending_line_indexes.append(i) |
| |
| if actual_len < expected_len: |
| print('ERROR: Missing %d lines' % (expected_len - actual_len)) |
| for j in range(actual_len, expected_len): |
| print(expected[j]) |
| offending_line_indexes.append(j) |
| elif actual_len > expected_len: |
| print('ERROR: Extra %d lines' % (actual_len - expected_len)) |
| for k in range(expected_len, actual_len): |
| print(actual[k]) |
| offending_line_indexes.append(k) |
| return offending_line_indexes |
| |
| |
| if __name__ == '__main__': |
| unittest.main() |