def test_diff_histories_added_start(self):
"""Testing diff_histories with a new history that adds commits at the
start of the history
"""
old_history = [
DiffCommit(commit_id='r1'),
DiffCommit(commit_id='r2'),
]
new_history = [
DiffCommit(commit_id='r0'),
DiffCommit(commit_id='r1'),
DiffCommit(commit_id='r2'),
]
expected_result = [
CommitHistoryDiffEntry(
entry_type=CommitHistoryDiffEntry.COMMIT_REMOVED,
old_commit=old_history[0]),
CommitHistoryDiffEntry(
entry_type=CommitHistoryDiffEntry.COMMIT_REMOVED,
old_commit=old_history[1]),
CommitHistoryDiffEntry(
entry_type=CommitHistoryDiffEntry.COMMIT_ADDED,
new_commit=new_history[0]),
CommitHistoryDiffEntry(
entry_type=CommitHistoryDiffEntry.COMMIT_ADDED,
new_commit=new_history[1]),
CommitHistoryDiffEntry(
entry_type=CommitHistoryDiffEntry.COMMIT_ADDED,
new_commit=new_history[2]),
]
self.assertEqual(list(diff_histories(old_history, new_history)),
expected_result)
def test_diff_histories_removed_middle(self):
"""Testing diff_histories with a new history that removes commits in
the middle of the history
"""
old_history = [
DiffCommit(commit_id='r0'),
DiffCommit(commit_id='r1'),
DiffCommit(commit_id='r2'),
]
new_history = [
DiffCommit(commit_id='r0'),
DiffCommit(commit_id='r2'),
]
expected_result = [
CommitHistoryDiffEntry(
entry_type=CommitHistoryDiffEntry.COMMIT_UNMODIFIED,
old_commit=old_history[0],
new_commit=new_history[0]),
CommitHistoryDiffEntry(
entry_type=CommitHistoryDiffEntry.COMMIT_REMOVED,
old_commit=old_history[1]),
CommitHistoryDiffEntry(
entry_type=CommitHistoryDiffEntry.COMMIT_REMOVED,
old_commit=old_history[2]),
CommitHistoryDiffEntry(
entry_type=CommitHistoryDiffEntry.COMMIT_ADDED,
new_commit=new_history[1]),
]
self.assertEqual(list(diff_histories(old_history, new_history)),
expected_result)
def test_diff_histories_identical(self):
"""Testing diff_histories with identical histories"""
new_history = old_history = [
DiffCommit(commit_id='r0'),
DiffCommit(commit_id='r1'),
DiffCommit(commit_id='r2'),
]
expected_result = [
CommitHistoryDiffEntry(
entry_type=CommitHistoryDiffEntry.COMMIT_UNMODIFIED,
old_commit=old_history[0],
new_commit=new_history[0]),
CommitHistoryDiffEntry(
entry_type=CommitHistoryDiffEntry.COMMIT_UNMODIFIED,
old_commit=old_history[1],
new_commit=new_history[1]),
CommitHistoryDiffEntry(
entry_type=CommitHistoryDiffEntry.COMMIT_UNMODIFIED,
old_commit=old_history[2],
new_commit=new_history[2]),
]
self.assertEqual(list(diff_histories(old_history, new_history)),
expected_result)