/
test_version_control.py
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/
test_version_control.py
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import deeplake
from deeplake.core.version_control.commit_node import CommitNode
from deeplake.constants import FIRST_COMMIT_ID
from deeplake.util.version_control import (
_merge_commit_node_maps,
_version_info_to_json,
_version_info_from_json,
)
def test_merge_commit_node_map():
root = CommitNode("main", FIRST_COMMIT_ID)
a = CommitNode("main", "a")
b = CommitNode("main", "b")
c = CommitNode("main", "c")
e = CommitNode("main", "e")
root.add_successor(a, "me", "commit a")
root.add_successor(b, "me", "commit b")
a.add_successor(c, "me", "commit c")
c.add_successor(e, "me", "commit e")
map1 = {
FIRST_COMMIT_ID: root,
"a": a,
"b": b,
"c": c,
"e": e,
}
root = CommitNode("main", FIRST_COMMIT_ID)
a = CommitNode("main", "a")
b = CommitNode("main", "b")
d = CommitNode("main", "d")
f = CommitNode("main", "f")
root.add_successor(a, "commit a")
root.add_successor(b, "commit b")
b.add_successor(d, "commit d")
d.add_successor(f, "commit f")
map2 = {
FIRST_COMMIT_ID: root,
"a": a,
"b": b,
"d": d,
"f": f,
}
merged = _merge_commit_node_maps(map1, map2)
assert set(merged.keys()) == set((FIRST_COMMIT_ID, "a", "b", "c", "d", "e", "f"))
get_children = lambda node: set(c.commit_id for c in node.children)
assert get_children(merged[FIRST_COMMIT_ID]) == set(("a", "b"))
assert get_children(merged["a"]) == set(("c"))
assert get_children(merged["b"]) == set(("d"))
assert get_children(merged["c"]) == set(("e"))
assert get_children(merged["d"]) == set(("f"))
# Test json encoding
branch_commit_map = {"main": "f"}
version_info = {"commit_node_map": merged, "branch_commit_map": branch_commit_map}
encoded = _version_info_to_json(version_info)
decoded = _version_info_from_json(encoded)
assert decoded["branch_commit_map"] == branch_commit_map
merged = decoded["commit_node_map"]
assert set(merged.keys()) == set((FIRST_COMMIT_ID, "a", "b", "c", "d", "e", "f"))
get_children = lambda node: set(c.commit_id for c in node.children)
assert get_children(merged[FIRST_COMMIT_ID]) == set(("a", "b"))
assert get_children(merged["a"]) == set(("c"))
assert get_children(merged["b"]) == set(("d"))
assert get_children(merged["c"]) == set(("e"))
assert get_children(merged["d"]) == set(("f"))