| #!/usr/bin/env python |
| # Copyright 2014 The Chromium Authors. All rights reserved. |
| # Use of this source code is governed by a BSD-style license that can be |
| # found in the LICENSE file. |
| |
| """Check that explain_binary_size_delta seems to work.""" |
| |
| import cStringIO |
| import sys |
| import unittest |
| |
| import explain_binary_size_delta |
| |
| |
| class ExplainBinarySizeDeltaTest(unittest.TestCase): |
| |
| def testCompare(self): |
| # List entries have form: symbol_name, symbol_type, symbol_size, file_path |
| symbol_list1 = ( |
| # File with one symbol, left as-is. |
| ( 'unchanged', 't', 1000, '/file_unchanged' ), |
| # File with one symbol, changed. |
| ( 'changed', 't', 1000, '/file_all_changed' ), |
| # File with one symbol, deleted. |
| ( 'removed', 't', 1000, '/file_all_deleted' ), |
| # File with two symbols, one unchanged, one changed, same bucket |
| ( 'unchanged', 't', 1000, '/file_pair_unchanged_changed' ), |
| ( 'changed', 't', 1000, '/file_pair_unchanged_changed' ), |
| # File with two symbols, one unchanged, one deleted, same bucket |
| ( 'unchanged', 't', 1000, '/file_pair_unchanged_removed' ), |
| ( 'removed', 't', 1000, '/file_pair_unchanged_removed' ), |
| # File with two symbols, one unchanged, one added, same bucket |
| ( 'unchanged', 't', 1000, '/file_pair_unchanged_added' ), |
| # File with two symbols, one unchanged, one changed, different bucket |
| ( 'unchanged', 't', 1000, '/file_pair_unchanged_diffbuck_changed' ), |
| ( 'changed', '@', 1000, '/file_pair_unchanged_diffbuck_changed' ), |
| # File with two symbols, one unchanged, one deleted, different bucket |
| ( 'unchanged', 't', 1000, '/file_pair_unchanged_diffbuck_removed' ), |
| ( 'removed', '@', 1000, '/file_pair_unchanged_diffbuck_removed' ), |
| # File with two symbols, one unchanged, one added, different bucket |
| ( 'unchanged', 't', 1000, '/file_pair_unchanged_diffbuck_added' ), |
| # File with four symbols, one added, one removed, |
| # one changed, one unchanged |
| ( 'size_changed', 't', 1000, '/file_tetra' ), |
| ( 'removed', 't', 1000, '/file_tetra' ), |
| ( 'unchanged', 't', 1000, '/file_tetra' ), |
| ) |
| |
| symbol_list2 = ( |
| # File with one symbol, left as-is. |
| ( 'unchanged', 't', 1000, '/file_unchanged' ), |
| # File with one symbol, changed. |
| ( 'changed', 't', 2000, '/file_all_changed' ), |
| # File with two symbols, one unchanged, one changed, same bucket |
| ( 'unchanged', 't', 1000, '/file_pair_unchanged_changed' ), |
| ( 'changed', 't', 2000, '/file_pair_unchanged_changed' ), |
| # File with two symbols, one unchanged, one deleted, same bucket |
| ( 'unchanged', 't', 1000, '/file_pair_unchanged_removed' ), |
| # File with two symbols, one unchanged, one added, same bucket |
| ( 'unchanged', 't', 1000, '/file_pair_unchanged_added' ), |
| ( 'added', 't', 1000, '/file_pair_unchanged_added' ), |
| # File with two symbols, one unchanged, one changed, different bucket |
| ( 'unchanged', 't', 1000, '/file_pair_unchanged_diffbuck_changed' ), |
| ( 'changed', '@', 2000, '/file_pair_unchanged_diffbuck_changed' ), |
| # File with two symbols, one unchanged, one deleted, different bucket |
| ( 'unchanged', 't', 1000, '/file_pair_unchanged_diffbuck_removed' ), |
| # File with two symbols, one unchanged, one added, different bucket |
| ( 'unchanged', 't', 1000, '/file_pair_unchanged_diffbuck_added' ), |
| ( 'added', '@', 1000, '/file_pair_unchanged_diffbuck_added' ), |
| # File with four symbols, one added, one removed, |
| # one changed, one unchanged |
| ( 'size_changed', 't', 2000, '/file_tetra' ), |
| ( 'unchanged', 't', 1000, '/file_tetra' ), |
| ( 'added', 't', 1000, '/file_tetra' ), |
| # New file with one symbol added |
| ( 'added', 't', 1000, '/file_new' ), |
| ) |
| |
| # Here we go |
| (added, removed, changed, unchanged) = \ |
| explain_binary_size_delta.Compare(symbol_list1, symbol_list2) |
| |
| # File with one symbol, left as-is. |
| assert ('/file_unchanged', 't', 'unchanged', 1000, 1000) in unchanged |
| # File with one symbol, changed. |
| assert ('/file_all_changed', 't', 'changed', 1000, 2000) in changed |
| # File with one symbol, deleted. |
| assert ('/file_all_deleted', 't', 'removed', 1000, None) in removed |
| # New file with one symbol added |
| assert ('/file_new', 't', 'added', None, 1000) in added |
| # File with two symbols, one unchanged, one changed, same bucket |
| assert ('/file_pair_unchanged_changed', |
| 't', 'unchanged', 1000, 1000) in unchanged |
| assert ('/file_pair_unchanged_changed', |
| 't', 'changed', 1000, 2000) in changed |
| # File with two symbols, one unchanged, one removed, same bucket |
| assert ('/file_pair_unchanged_removed', |
| 't', 'unchanged', 1000, 1000) in unchanged |
| assert ('/file_pair_unchanged_removed', |
| 't', 'removed', 1000, None) in removed |
| # File with two symbols, one unchanged, one added, same bucket |
| assert ('/file_pair_unchanged_added', |
| 't', 'unchanged', 1000, 1000) in unchanged |
| assert ('/file_pair_unchanged_added', |
| 't', 'added', None, 1000) in added |
| # File with two symbols, one unchanged, one changed, different bucket |
| assert ('/file_pair_unchanged_diffbuck_changed', |
| 't', 'unchanged', 1000, 1000) in unchanged |
| assert ('/file_pair_unchanged_diffbuck_changed', |
| '@', 'changed', 1000, 2000) in changed |
| # File with two symbols, one unchanged, one removed, different bucket |
| assert ('/file_pair_unchanged_diffbuck_removed', |
| 't', 'unchanged', 1000, 1000) in unchanged |
| assert ('/file_pair_unchanged_diffbuck_removed', |
| '@', 'removed', 1000, None) in removed |
| # File with two symbols, one unchanged, one added, different bucket |
| assert ('/file_pair_unchanged_diffbuck_added', |
| 't', 'unchanged', 1000, 1000) in unchanged |
| assert ('/file_pair_unchanged_diffbuck_added', |
| '@', 'added', None, 1000) in added |
| # File with four symbols, one added, one removed, one changed, one unchanged |
| assert ('/file_tetra', 't', 'size_changed', 1000, 2000) in changed |
| assert ('/file_tetra', 't', 'unchanged', 1000, 1000) in unchanged |
| assert ('/file_tetra', 't', 'added', None, 1000) in added |
| assert ('/file_tetra', 't', 'removed', 1000, None) in removed |
| |
| # Now check final stats. |
| orig_stdout = sys.stdout |
| output_collector = cStringIO.StringIO() |
| sys.stdout = output_collector |
| try: |
| explain_binary_size_delta.CrunchStats(added, removed, changed, |
| unchanged, True, True) |
| finally: |
| sys.stdout = orig_stdout |
| result = output_collector.getvalue() |
| |
| expected_output = """\ |
| Symbol statistics: |
| 4 added, totalling 4000 bytes across 4 sources |
| 4 removed, totalling 4000 bytes removed across 4 sources |
| 4 changed, resulting in a net change of 4000 bytes \ |
| (4000 bytes before, 8000 bytes after) across 4 sources |
| 8 unchanged, totalling 8000 bytes |
| Source stats: |
| 11 sources encountered. |
| 1 completely new. |
| 1 removed completely. |
| 8 partially changed. |
| 1 completely unchanged. |
| Per-source Analysis: |
| Source: /file_all_changed |
| Change: 1000 bytes (gained 1000, lost 0) |
| Changed symbols: |
| changed type=t, delta=1000 bytes (was 1000 bytes, now 2000 bytes) |
| Source: /file_all_deleted |
| Change: -1000 bytes (gained 0, lost 1000) |
| Removed symbols: |
| removed type=t, size=1000 bytes |
| Source: /file_new |
| Change: 1000 bytes (gained 1000, lost 0) |
| New symbols: |
| added type=t, size=1000 bytes |
| Source: /file_pair_unchanged_added |
| Change: 1000 bytes (gained 1000, lost 0) |
| New symbols: |
| added type=t, size=1000 bytes |
| Source: /file_pair_unchanged_changed |
| Change: 1000 bytes (gained 1000, lost 0) |
| Changed symbols: |
| changed type=t, delta=1000 bytes (was 1000 bytes, now 2000 bytes) |
| Source: /file_pair_unchanged_diffbuck_added |
| Change: 1000 bytes (gained 1000, lost 0) |
| New symbols: |
| added type=@, size=1000 bytes |
| Source: /file_pair_unchanged_diffbuck_changed |
| Change: 1000 bytes (gained 1000, lost 0) |
| Changed symbols: |
| changed type=@, delta=1000 bytes (was 1000 bytes, now 2000 bytes) |
| Source: /file_pair_unchanged_diffbuck_removed |
| Change: -1000 bytes (gained 0, lost 1000) |
| Removed symbols: |
| removed type=@, size=1000 bytes |
| Source: /file_pair_unchanged_removed |
| Change: -1000 bytes (gained 0, lost 1000) |
| Removed symbols: |
| removed type=t, size=1000 bytes |
| Source: /file_tetra |
| Change: 1000 bytes (gained 2000, lost 1000) |
| New symbols: |
| added type=t, size=1000 bytes |
| Removed symbols: |
| removed type=t, size=1000 bytes |
| Changed symbols: |
| size_changed type=t, delta=1000 bytes (was 1000 bytes, now 2000 bytes) |
| """ |
| |
| self.maxDiff = None |
| self.assertMultiLineEqual(expected_output, result) |
| print "explain_binary_size_delta_unittest: All tests passed" |
| |
| |
| if __name__ == '__main__': |
| unittest.main() |
