Fix a bug in getting changed files
The original implementation takes into account the changed fils from all commits of a PR. It causes a bug when files get changed and reverted in those commits. e.g. A file is added in first commit then removed in second commit, this file should should not be considered as a changed file in the PR. Change-Id: I7db8b9d3f3267073c5e1a71f52e75939ffa91773
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@ -5175,8 +5175,9 @@ class ZuulTestCase(BaseTestCase):
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repo.head.reset(working_tree=True)
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repo.delete_head(repo.heads[branch], force=True)
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def create_commit(self, project, files=None, head='master',
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message='Creating a fake commit', **kwargs):
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def create_commit(self, project, files=None, delete_files=None,
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head='master', message='Creating a fake commit',
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**kwargs):
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path = os.path.join(self.upstream_root, project)
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repo = git.Repo(path)
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repo.head.reference = repo.heads[head]
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@ -5188,6 +5189,12 @@ class ZuulTestCase(BaseTestCase):
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with open(file_name, 'a') as f:
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f.write(content)
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repo.index.add([file_name])
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delete_files = delete_files or []
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for name in delete_files:
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file_name = os.path.join(path, name)
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repo.index.remove([file_name])
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commit = repo.index.commit(message, **kwargs)
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return commit.hexsha
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@ -353,6 +353,33 @@ class TestMergerRepo(ZuulTestCase):
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self.assertEqual(['README'], changed_files)
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def test_files_changes_add_and_remove_files(self):
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"""
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If the changed files in previous commits are reverted in later commits,
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they should not be considered as changed in the PR.
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"""
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parent_path = os.path.join(self.upstream_root, 'org/project1')
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self.create_branch('org/project1', 'feature1')
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work_repo = Repo(parent_path, self.workspace_root,
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'none@example.org', 'User Name', '0', '0')
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# Add a file in first commit
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files = {'to-be-deleted.txt': 'test'}
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self.create_commit('org/project1', files=files, head='feature1',
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message='Add file')
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changed_files = work_repo.getFilesChanges('feature1', 'master')
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self.assertEqual(sorted(['README', 'to-be-deleted.txt']),
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sorted(changed_files))
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# Delete the file in second commit
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delete_files = ['to-be-deleted.txt']
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self.create_commit('org/project1', files={},
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delete_files=delete_files, head='feature1',
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message='Delete file')
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changed_files = work_repo.getFilesChanges('feature1', 'master')
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self.assertEqual(['README'], changed_files)
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def test_files_changes_master_fork_merges(self):
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"""Regression test for getFilesChanges()
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@ -673,9 +673,9 @@ class Repo(object):
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files = set()
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if tosha:
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commit_diff = "{}..{}".format(tosha, head.hexsha)
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for cmt in repo.iter_commits(commit_diff, no_merges=True):
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files.update(cmt.stats.files.keys())
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head_commit = repo.commit(head.hexsha)
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diff_index = head_commit.diff(tosha)
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files.update((item.a_path for item in diff_index))
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else:
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files.update(head.stats.files.keys())
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return list(files)
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