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"""Tests for indexer and GroupIndex."""
import asyncio
import os
import time
import pytest
from pathlib import Path
from cryptography.hazmat.primitives.asymmetric.ed25519 import Ed25519PrivateKey
from cryptography.hazmat.primitives.asymmetric.x25519 import X25519PrivateKey
from meshbay_common.crypto import generate_gek
from meshbay_node.indexer import DirectoryIndexer, GroupIndex
from meshbay_node.keystore import NodeKeys
@pytest.fixture
def sk_node():
return Ed25519PrivateKey.generate()
@pytest.fixture
def gek():
return generate_gek()
@pytest.fixture
def shared_dir(tmp_path):
d = tmp_path / "shared"
d.mkdir()
(d / "video.mkv").write_bytes(os.urandom(1024))
(d / "music.mp3").write_bytes(os.urandom(512))
(d / "readme.md").write_bytes(b"# Hello MeshBay")
subdir = d / "docs"
subdir.mkdir()
(subdir / "manual.pdf").write_bytes(os.urandom(2048))
return d
# ── GroupIndex tests ──────────────────────────────────────────────────────────
def test_group_index_serialize_deserialize_private(sk_node, gek, shared_dir):
idx = GroupIndex(group_id="grp-001", sk_node=sk_node, gek=gek)
from meshbay_common.protocol import IndexEntry
idx.add_entry(IndexEntry(
id="abc123", name="video.mkv", path="", size=1024,
type="video", added_at=int(time.time()), duration=120))
wire = idx.serialize()
recovered = GroupIndex.deserialize(wire, sk_node=sk_node, gek=gek)
assert recovered.group_id == "grp-001"
assert recovered.count == 1
assert recovered.entries[0].name == "video.mkv"
assert recovered.entries[0].type == "video"
def test_group_index_serialize_deserialize_public(sk_node):
idx = GroupIndex(group_id="pub-001", sk_node=sk_node, gek=None)
from meshbay_common.protocol import IndexEntry
idx.add_entry(IndexEntry(
id="xyz789", name="readme.txt", path="", size=42,
type="document", added_at=int(time.time())))
wire = idx.serialize()
recovered = GroupIndex.deserialize(wire, sk_node=sk_node, gek=None)
assert recovered.count == 1
assert recovered.entries[0].id == "xyz789"
def test_group_index_wrong_gek_rejected(sk_node, gek):
idx = GroupIndex(group_id="grp-002", sk_node=sk_node, gek=gek)
from meshbay_common.protocol import IndexEntry
idx.add_entry(IndexEntry(id="a", name="f.mp3", path="", size=1,
type="audio", added_at=0))
wire = idx.serialize()
wrong_gek = generate_gek()
with pytest.raises(Exception): # InvalidTag from AEAD
GroupIndex.deserialize(wire, sk_node=sk_node, gek=wrong_gek)
def test_group_index_tampered_rejected(sk_node, gek):
idx = GroupIndex(group_id="grp-003", sk_node=sk_node, gek=gek)
from meshbay_common.protocol import IndexEntry
idx.add_entry(IndexEntry(id="b", name="f.mp4", path="", size=1,
type="video", added_at=0))
wire = bytearray(idx.serialize())
wire[-5] ^= 0xFF # flip bytes at the end
with pytest.raises(Exception):
GroupIndex.deserialize(bytes(wire), sk_node=sk_node, gek=gek)
def test_group_index_diff(sk_node, gek):
from meshbay_common.protocol import IndexEntry
v1 = GroupIndex(group_id="g", sk_node=sk_node, gek=gek, version=1)
v1.add_entry(IndexEntry(id="aaa", name="a.mp4", path="", size=1,
type="video", added_at=0))
v1.add_entry(IndexEntry(id="bbb", name="b.mp3", path="", size=1,
type="audio", added_at=0))
v2 = GroupIndex(group_id="g", sk_node=sk_node, gek=gek, version=2)
v2.add_entry(IndexEntry(id="aaa", name="a.mp4", path="", size=1,
type="video", added_at=0))
v2.add_entry(IndexEntry(id="ccc", name="c.mkv", path="", size=1,
type="video", added_at=0))
delta = v2.diff(v1)
assert delta.base_version == 1
assert delta.version == 2
assert len(delta.additions) == 1
assert delta.additions[0].id == "ccc"
assert "bbb" in delta.deletions
# ── DirectoryIndexer tests ────────────────────────────────────────────────────
@pytest.mark.asyncio
async def test_initial_scan(shared_dir, sk_node, gek):
indexer = DirectoryIndexer(
root=shared_dir,
group_id="scan-test",
sk_node=sk_node,
gek=gek,
)
await indexer.initial_scan()
entries = indexer.index.entries
names = {e.name for e in entries}
assert "video.mkv" in names
assert "music.mp3" in names
assert "readme.md" in names
assert "manual.pdf" in names
assert indexer.index.count == 4
@pytest.mark.asyncio
async def test_type_detection(shared_dir, sk_node, gek):
indexer = DirectoryIndexer(root=shared_dir, group_id="g", sk_node=sk_node, gek=gek)
await indexer.initial_scan()
by_name = {e.name: e.type for e in indexer.index.entries}
assert by_name["video.mkv"] == "video"
assert by_name["music.mp3"] == "audio"
assert by_name["readme.md"] == "document"
assert by_name["manual.pdf"] == "document"
@pytest.mark.asyncio
async def test_hidden_files_excluded(tmp_path, sk_node, gek):
d = tmp_path / "dir"
d.mkdir()
(d / ".hidden").write_bytes(b"secret")
(d / "visible.txt").write_bytes(b"visible")
(d / "file.tmp").write_bytes(b"tmp")
indexer = DirectoryIndexer(root=d, group_id="g", sk_node=sk_node, gek=gek)
await indexer.initial_scan()
names = {e.name for e in indexer.index.entries}
assert "visible.txt" in names
assert ".hidden" not in names
assert "file.tmp" not in names
@pytest.mark.asyncio
async def test_on_change_callback(shared_dir, sk_node, gek):
changes = []
async def on_change(idx):
changes.append(idx.index.count)
indexer = DirectoryIndexer(
root=shared_dir, group_id="g", sk_node=sk_node, gek=gek,
on_change=on_change)
await indexer.start()
await asyncio.sleep(0.1)
(shared_dir / "newfile.mp4").write_bytes(os.urandom(256))
await asyncio.sleep(0.5) # let watchdog detect the change
await indexer.stop()
assert len(changes) >= 1, "on_change should have been called"
@pytest.mark.asyncio
async def test_index_roundtrip_after_scan(shared_dir, sk_node, gek):
indexer = DirectoryIndexer(root=shared_dir, group_id="g", sk_node=sk_node, gek=gek)
await indexer.initial_scan()
wire = indexer.index.serialize()
recovered = GroupIndex.deserialize(wire, sk_node=sk_node, gek=gek)
assert recovered.count == indexer.index.count
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