def test_paths(self):
blob_a1 = make_object(Blob, data=b'a1')
blob_b2 = make_object(Blob, data=b'b2')
blob_a3 = make_object(Blob, data=b'a3')
blob_b3 = make_object(Blob, data=b'b3')
c1, c2, c3 = self.make_linear_commits(3,
trees={
1: [(b'a', blob_a1)],
2: [(b'a', blob_a1),
(b'x/b', blob_b2)],
3: [(b'a', blob_a3),
(b'x/b', blob_b3)]
})
self.assertWalkYields([c3, c2, c1], [c3.id])
self.assertWalkYields([c3, c1], [c3.id], paths=[b'a'])
self.assertWalkYields([c3, c2], [c3.id], paths=[b'x/b'])
# All changes are included, not just for requested paths.
changes = [
TreeChange(CHANGE_MODIFY, (b'a', F, blob_a1.id),
(b'a', F, blob_a3.id)),
TreeChange(CHANGE_MODIFY, (b'x/b', F, blob_b2.id),
(b'x/b', F, blob_b3.id)),
]
self.assertWalkYields([TestWalkEntry(c3, changes)], [c3.id],
max_entries=1,
paths=[b'a'])
def test_exact_rename_many_to_one(self):
blob = make_object(Blob, data=b'1')
tree1 = self.commit_tree([(b'a', blob), (b'b', blob)])
tree2 = self.commit_tree([(b'c', blob)])
self.assertEqual(
[TreeChange(CHANGE_RENAME, (b'a', F, blob.id), (b'c', F, blob.id)),
TreeChange.delete((b'b', F, blob.id))],
self.detect_renames(tree1, tree2))
def test_exact_rename_split_different_type(self):
blob = make_object(Blob, data=b'/foo')
tree1 = self.commit_tree([(b'a', blob, 0o100644)])
tree2 = self.commit_tree([(b'a', blob, 0o120000)])
self.assertEqual(
[TreeChange.add((b'a', 0o120000, blob.id)),
TreeChange.delete((b'a', 0o100644, blob.id))],
self.detect_renames(tree1, tree2))
def test_exact_copy_change_mode(self):
blob = make_object(Blob, data=b'a\nb\nc\nd\n')
tree1 = self.commit_tree([(b'a', blob)])
tree2 = self.commit_tree([(b'a', blob, 0o100755), (b'b', blob)])
self.assertEqual(
[TreeChange(CHANGE_MODIFY, (b'a', F, blob.id),
(b'a', 0o100755, blob.id)),
TreeChange(CHANGE_COPY, (b'a', F, blob.id), (b'b', F, blob.id))],
self.detect_renames(tree1, tree2))
def test_find_copies_harder_exact(self):
blob = make_object(Blob, data=b'blob')
tree1 = self.commit_tree([(b'a', blob)])
tree2 = self.commit_tree([(b'a', blob), (b'b', blob)])
self.assertEqual([TreeChange.add((b'b', F, blob.id))],
self.detect_renames(tree1, tree2))
self.assertEqual(
[TreeChange(CHANGE_COPY, (b'a', F, blob.id), (b'b', F, blob.id))],
self.detect_renames(tree1, tree2, find_copies_harder=True))
def test_tree_changes_to_tree(self):
blob_a = make_object(Blob, data=b'a')
blob_x = make_object(Blob, data=b'x')
tree1 = self.commit_tree([(b'a', blob_a)])
tree2 = self.commit_tree([(b'a/x', blob_x)])
self.assertChangesEqual(
[TreeChange.delete((b'a', F, blob_a.id)),
TreeChange.add((b'a/x', F, blob_x.id))],
tree1, tree2)
def test_tree_changes_change_type(self):
blob_a1 = make_object(Blob, data=b'a')
blob_a2 = make_object(Blob, data=b'/foo/bar')
tree1 = self.commit_tree([(b'a', blob_a1, 0o100644)])
tree2 = self.commit_tree([(b'a', blob_a2, 0o120000)])
self.assertChangesEqual(
[TreeChange.delete((b'a', 0o100644, blob_a1.id)),
TreeChange.add((b'a', 0o120000, blob_a2.id))],
tree1, tree2)
def test_exact_rename_and_different_type(self):
blob1 = make_object(Blob, data=b'1')
blob2 = make_object(Blob, data=b'2')
tree1 = self.commit_tree([(b'a', blob1)])
tree2 = self.commit_tree([(b'a', blob2, 0o120000), (b'b', blob1)])
self.assertEqual(
[TreeChange.add((b'a', 0o120000, blob2.id)),
TreeChange(CHANGE_RENAME, (b'a', F, blob1.id),
(b'b', F, blob1.id))],
self.detect_renames(tree1, tree2))
def test_tree_changes_for_merge_add_exact_rename_conflict(self):
blob = make_object(Blob, data=b'a\nb\nc\nd\n')
parent1 = self.commit_tree([(b'a', blob)])
parent2 = self.commit_tree([])
merge = self.commit_tree([(b'b', blob)])
self.assertChangesForMergeEqual(
[[TreeChange(CHANGE_RENAME, (b'a', F, blob.id),
(b'b', F, blob.id)),
TreeChange.add((b'b', F, blob.id))]],
[parent1, parent2], merge, rename_detector=self.detector)
def test_tree_changes_for_merge_delete_delete_conflict(self):
blob1 = make_object(Blob, data=b'1')
blob2 = make_object(Blob, data=b'2')
parent1 = self.commit_tree([(b'a', blob1)])
parent2 = self.commit_tree([(b'a', blob2)])
merge = self.commit_tree([])
self.assertChangesForMergeEqual(
[[TreeChange.delete((b'a', F, blob1.id)),
TreeChange.delete((b'a', F, blob2.id))]],
[parent1, parent2], merge)
def test_exact_rename_one_to_one(self):
blob1 = make_object(Blob, data=b'1')
blob2 = make_object(Blob, data=b'2')
tree1 = self.commit_tree([(b'a', blob1), (b'b', blob2)])
tree2 = self.commit_tree([(b'c', blob1), (b'd', blob2)])
self.assertEqual(
[TreeChange(CHANGE_RENAME, (b'a', F, blob1.id),
(b'c', F, blob1.id)),
TreeChange(CHANGE_RENAME, (b'b', F, blob2.id),
(b'd', F, blob2.id))],
self.detect_renames(tree1, tree2))
def test_exact_copy_modify(self):
blob1 = make_object(Blob, data=b'a\nb\nc\nd\n')
blob2 = make_object(Blob, data=b'a\nb\nc\ne\n')
tree1 = self.commit_tree([(b'a', blob1)])
tree2 = self.commit_tree([(b'a', blob2), (b'b', blob1)])
self.assertEqual(
[TreeChange(CHANGE_MODIFY, (b'a', F, blob1.id),
(b'a', F, blob2.id)),
TreeChange(CHANGE_COPY, (b'a', F, blob1.id),
(b'b', F, blob1.id))],
self.detect_renames(tree1, tree2))
def test_tree_changes_no_changes(self):
blob = make_object(Blob, data=b'blob')
tree = self.commit_tree([(b'a', blob), (b'b/c', blob)])
self.assertChangesEqual([], self.empty_tree, self.empty_tree)
self.assertChangesEqual([], tree, tree)
self.assertChangesEqual(
[TreeChange(CHANGE_UNCHANGED, (b'a', F, blob.id),
(b'a', F, blob.id)),
TreeChange(CHANGE_UNCHANGED, (b'b/c', F, blob.id),
(b'b/c', F, blob.id))],
tree, tree, want_unchanged=True)
def test_find_copies_harder_content(self):
blob1 = make_object(Blob, data=b'a\nb\nc\nd\n')
blob2 = make_object(Blob, data=b'a\nb\nc\ne\n')
tree1 = self.commit_tree([(b'a', blob1)])
tree2 = self.commit_tree([(b'a', blob1), (b'b', blob2)])
self.assertEqual([TreeChange.add((b'b', F, blob2.id))],
self.detect_renames(tree1, tree2))
self.assertEqual(
[TreeChange(CHANGE_COPY, (b'a', F, blob1.id),
(b'b', F, blob2.id))],
self.detect_renames(tree1, tree2, find_copies_harder=True))
def test_content_rename_many_to_one(self):
blob1 = make_object(Blob, data=b'a\nb\nc\nd\n')
blob2 = make_object(Blob, data=b'a\nb\nc\ne\n')
blob3 = make_object(Blob, data=b'a\nb\nc\nf\n')
tree1 = self.commit_tree([(b'a', blob1), (b'b', blob2)])
tree2 = self.commit_tree([(b'c', blob3)])
self.assertEqual(
[TreeChange(CHANGE_RENAME, (b'a', F, blob1.id),
(b'c', F, blob3.id)),
TreeChange.delete((b'b', F, blob2.id))],
self.detect_renames(tree1, tree2))
def test_content_rename_one_to_one(self):
b11 = make_object(Blob, data=b'a\nb\nc\nd\n')
b12 = make_object(Blob, data=b'a\nb\nc\ne\n')
b21 = make_object(Blob, data=b'e\nf\ng\n\h')
b22 = make_object(Blob, data=b'e\nf\ng\n\i')
tree1 = self.commit_tree([(b'a', b11), (b'b', b21)])
tree2 = self.commit_tree([(b'c', b12), (b'd', b22)])
self.assertEqual(
[TreeChange(CHANGE_RENAME, (b'a', F, b11.id), (b'c', F, b12.id)),
TreeChange(CHANGE_RENAME, (b'b', F, b21.id), (b'd', F, b22.id))],
self.detect_renames(tree1, tree2))
def test_content_rename_one_to_many(self):
blob1 = make_object(Blob, data=b'aa\nb\nc\nd\ne\n')
blob2 = make_object(Blob, data=b'ab\nb\nc\nd\ne\n') # 8/11 match
blob3 = make_object(Blob, data=b'aa\nb\nc\nd\nf\n') # 9/11 match
tree1 = self.commit_tree([(b'a', blob1)])
tree2 = self.commit_tree([(b'b', blob2), (b'c', blob3)])
self.assertEqual(
[TreeChange(CHANGE_COPY, (b'a', F, blob1.id), (b'b', F, blob2.id)),
TreeChange(CHANGE_RENAME, (b'a', F, blob1.id),
(b'c', F, blob3.id))],
self.detect_renames(tree1, tree2))
def test_content_rename_with_more_deletions(self):
blob1 = make_object(Blob, data=b'')
tree1 = self.commit_tree([(b'a', blob1), (b'b', blob1), (b'c', blob1),
(b'd', blob1)])
tree2 = self.commit_tree([(b'e', blob1), (b'f', blob1), (b'g', blob1)])
self.maxDiff = None
self.assertEqual(
[TreeChange(CHANGE_RENAME, (b'a', F, blob1.id), (b'e', F, blob1.id)),
TreeChange(CHANGE_RENAME, (b'b', F, blob1.id), (b'f', F, blob1.id)),
TreeChange(CHANGE_RENAME, (b'c', F, blob1.id), (b'g', F, blob1.id)),
TreeChange.delete((b'd', F, blob1.id))],
self.detect_renames(tree1, tree2))
def test_tree_changes_for_merge_modify_rename_conflict(self):
blob1 = make_object(Blob, data=b'a\nb\nc\nd\n')
blob2 = make_object(Blob, data=b'a\nb\nc\ne\n')
parent1 = self.commit_tree([(b'a', blob1)])
parent2 = self.commit_tree([(b'b', blob1)])
merge = self.commit_tree([(b'b', blob2)])
self.assertChangesForMergeEqual(
[[TreeChange(CHANGE_RENAME, (b'a', F, blob1.id),
(b'b', F, blob2.id)),
TreeChange(CHANGE_MODIFY, (b'b', F, blob1.id),
(b'b', F, blob2.id))]],
[parent1, parent2], merge, rename_detector=self.detector)
def test_content_rename_swap(self):
blob1 = make_object(Blob, data=b'a\nb\nc\nd\n')
blob2 = make_object(Blob, data=b'e\nf\ng\nh\n')
blob3 = make_object(Blob, data=b'a\nb\nc\ne\n')
blob4 = make_object(Blob, data=b'e\nf\ng\ni\n')
tree1 = self.commit_tree([(b'a', blob1), (b'b', blob2)])
tree2 = self.commit_tree([(b'a', blob4), (b'b', blob3)])
self.assertEqual(
[TreeChange(CHANGE_RENAME, (b'a', F, blob1.id),
(b'b', F, blob3.id)),
TreeChange(CHANGE_RENAME, (b'b', F, blob2.id),
(b'a', F, blob4.id))],
self.detect_renames(tree1, tree2, rewrite_threshold=60))
def test_content_rename_gitlink(self):
blob1 = make_object(Blob, data=b'blob1')
blob2 = make_object(Blob, data=b'blob2')
link1 = b'1' * 40
link2 = b'2' * 40
tree1 = self.commit_tree([(b'a', blob1), (b'b', link1, 0o160000)])
tree2 = self.commit_tree([(b'c', blob2), (b'd', link2, 0o160000)])
self.assertEqual(
[TreeChange.delete((b'a', 0o100644, blob1.id)),
TreeChange.delete((b'b', 0o160000, link1)),
TreeChange.add((b'c', 0o100644, blob2.id)),
TreeChange.add((b'd', 0o160000, link2))],
self.detect_renames(tree1, tree2))
def test_rename_threshold(self):
blob1 = make_object(Blob, data=b'a\nb\nc\n')
blob2 = make_object(Blob, data=b'a\nb\nd\n')
tree1 = self.commit_tree([(b'a', blob1)])
tree2 = self.commit_tree([(b'b', blob2)])
self.assertEqual(
[TreeChange(CHANGE_RENAME, (b'a', F, blob1.id),
(b'b', F, blob2.id))],
self.detect_renames(tree1, tree2, rename_threshold=50))
self.assertEqual(
[TreeChange.delete((b'a', F, blob1.id)),
TreeChange.add((b'b', F, blob2.id))],
self.detect_renames(tree1, tree2, rename_threshold=75))
def test_tree_changes_for_merge_modify_modify_conflict(self):
blob1 = make_object(Blob, data=b'1')
blob2 = make_object(Blob, data=b'2')
blob3 = make_object(Blob, data=b'3')
parent1 = self.commit_tree([(b'a', blob1)])
parent2 = self.commit_tree([(b'a', blob2)])
merge = self.commit_tree([(b'a', blob3)])
self.assertChangesForMergeEqual(
[[TreeChange(CHANGE_MODIFY, (b'a', F, blob1.id),
(b'a', F, blob3.id)),
TreeChange(CHANGE_MODIFY, (b'a', F, blob2.id),
(b'a', F, blob3.id))]],
[parent1, parent2], merge)
def test_tree_changes_add_delete(self):
blob_a = make_object(Blob, data=b'a')
blob_b = make_object(Blob, data=b'b')
tree = self.commit_tree([(b'a', blob_a, 0o100644),
(b'x/b', blob_b, 0o100755)])
self.assertChangesEqual(
[TreeChange.add((b'a', 0o100644, blob_a.id)),
TreeChange.add((b'x/b', 0o100755, blob_b.id))],
self.empty_tree, tree)
self.assertChangesEqual(
[TreeChange.delete((b'a', 0o100644, blob_a.id)),
TreeChange.delete((b'x/b', 0o100755, blob_b.id))],
tree, self.empty_tree)
def test_tree_changes_rename_detector(self):
blob_a1 = make_object(Blob, data=b'a\nb\nc\nd\n')
blob_a2 = make_object(Blob, data=b'a\nb\nc\ne\n')
blob_b = make_object(Blob, data=b'b')
tree1 = self.commit_tree([(b'a', blob_a1), (b'b', blob_b)])
tree2 = self.commit_tree([(b'c', blob_a2), (b'b', blob_b)])
detector = RenameDetector(self.store)
self.assertChangesEqual(
[TreeChange.delete((b'a', F, blob_a1.id)),
TreeChange.add((b'c', F, blob_a2.id))],
tree1, tree2)
self.assertChangesEqual(
[TreeChange.delete((b'a', F, blob_a1.id)),
TreeChange(CHANGE_UNCHANGED, (b'b', F, blob_b.id),
(b'b', F, blob_b.id)),
TreeChange.add((b'c', F, blob_a2.id))],
tree1, tree2, want_unchanged=True)
self.assertChangesEqual(
[TreeChange(CHANGE_RENAME, (b'a', F, blob_a1.id),
(b'c', F, blob_a2.id))],
tree1, tree2, rename_detector=detector)
self.assertChangesEqual(
[TreeChange(CHANGE_RENAME, (b'a', F, blob_a1.id),
(b'c', F, blob_a2.id)),
TreeChange(CHANGE_UNCHANGED, (b'b', F, blob_b.id),
(b'b', F, blob_b.id))],
tree1, tree2, rename_detector=detector, want_unchanged=True)
def test_tree_changes_for_merge_octopus_delete(self):
blob1 = make_object(Blob, data=b'1')
blob2 = make_object(Blob, data=b'3')
parent1 = self.commit_tree([(b'a', blob1)])
parent2 = self.commit_tree([(b'a', blob2)])
parent3 = merge = self.commit_tree([])
self.assertChangesForMergeEqual([], [parent1, parent1, parent1], merge)
self.assertChangesForMergeEqual([], [parent1, parent1, parent3], merge)
self.assertChangesForMergeEqual([], [parent1, parent3, parent3], merge)
self.assertChangesForMergeEqual(
[[TreeChange.delete((b'a', F, blob1.id)),
TreeChange.delete((b'a', F, blob2.id)),
None]],
[parent1, parent2, parent3], merge)
def test_tree_changes_name_order(self):
blob = make_object(Blob, data=b'a')
tree1 = self.commit_tree([(b'a', blob), (b'a.', blob), (b'a..', blob)])
# Tree order is the reverse of this, so if we used tree order, 'a..'
# would not be merged.
tree2 = self.commit_tree(
[(b'a/x', blob), (b'a./x', blob), (b'a..', blob)])
self.assertChangesEqual(
[TreeChange.delete((b'a', F, blob.id)),
TreeChange.add((b'a/x', F, blob.id)),
TreeChange.delete((b'a.', F, blob.id)),
TreeChange.add((b'a./x', F, blob.id))],
tree1, tree2)
def test_content_rename_many_to_many(self):
blob1 = make_object(Blob, data=b'a\nb\nc\nd\n')
blob2 = make_object(Blob, data=b'a\nb\nc\ne\n')
blob3 = make_object(Blob, data=b'a\nb\nc\nf\n')
blob4 = make_object(Blob, data=b'a\nb\nc\ng\n')
tree1 = self.commit_tree([(b'a', blob1), (b'b', blob2)])
tree2 = self.commit_tree([(b'c', blob3), (b'd', blob4)])
# TODO(dborowitz): Distribute renames rather than greedily choosing
# copies.
self.assertEqual(
[TreeChange(CHANGE_RENAME, (b'a', F, blob1.id),
(b'c', F, blob3.id)),
TreeChange(CHANGE_COPY, (b'a', F, blob1.id), (b'd', F, blob4.id)),
TreeChange.delete((b'b', F, blob2.id))],
self.detect_renames(tree1, tree2))
def test_filter_with_merge(self):
blob_a = make_object(Blob, data=b'a')
blob_a2 = make_object(Blob, data=b'a2')
blob_b = make_object(Blob, data=b'b')
blob_b2 = make_object(Blob, data=b'b2')
x1, y2, m3 = self.make_commits(
[[1], [2], [3, 1, 2]],
trees={
1: [(b'x/a', blob_a)],
2: [(b'y/b', blob_b)],
3: [(b'x/a', blob_a2), (b'y/b', blob_b2)]
})
# Get the WalkEntry for the merge commit.
walker = Walker(self.store, m3.id)
entries = list(walker)
walker_entry = entries[0]
self.assertEqual(walker_entry.commit.id, m3.id)
changes = walker_entry.changes(b'x')
self.assertEqual(1, len(changes))
entry_a = (b'a', F, blob_a.id)
entry_a2 = (b'a', F, blob_a2.id)
self.assertEqual(
[[TreeChange(CHANGE_MODIFY, entry_a, entry_a2)]],
changes,
)
def test_want_unchanged(self):
blob_a1 = make_object(Blob, data=b'a\nb\nc\nd\n')
blob_b = make_object(Blob, data=b'b')
blob_c2 = make_object(Blob, data=b'a\nb\nc\ne\n')
tree1 = self.commit_tree([(b'a', blob_a1), (b'b', blob_b)])
tree2 = self.commit_tree([(b'c', blob_c2), (b'b', blob_b)])
self.assertEqual(
[TreeChange(CHANGE_RENAME, (b'a', F, blob_a1.id),
(b'c', F, blob_c2.id))],
self.detect_renames(tree1, tree2))
self.assertEqual(
[TreeChange(CHANGE_RENAME, (b'a', F, blob_a1.id),
(b'c', F, blob_c2.id)),
TreeChange(CHANGE_UNCHANGED, (b'b', F, blob_b.id),
(b'b', F, blob_b.id))],
self.detect_renames(tree1, tree2, want_unchanged=True))