import hashlib
import sqlite3
import sys
import unittest
from datetime import datetime
from pathlib import Path
from tempfile import TemporaryDirectory
ROOT = Path(__file__).resolve().parents[1]
sys.path.insert(0, str(ROOT / "src"))
class TestWrappedEmojiUniverse(unittest.TestCase):
def _ts(self, y: int, m: int, d: int, h: int = 0, mi: int = 0, s: int = 0) -> int:
return int(datetime(y, m, d, h, mi, s).timestamp())
def _seed_contact_db(self, path: Path, *, account: str, usernames: list[str]) -> None:
conn = sqlite3.connect(str(path))
try:
conn.execute(
"""
CREATE TABLE contact (
username TEXT,
remark TEXT,
nick_name TEXT,
alias TEXT,
local_type INTEGER,
verify_flag INTEGER,
big_head_url TEXT,
small_head_url TEXT
)
"""
)
conn.execute(
"""
CREATE TABLE stranger (
username TEXT,
remark TEXT,
nick_name TEXT,
alias TEXT,
local_type INTEGER,
verify_flag INTEGER,
big_head_url TEXT,
small_head_url TEXT
)
"""
)
conn.execute(
"INSERT INTO contact VALUES (?, ?, ?, ?, ?, ?, ?, ?)",
(account, "", "我", "", 1, 0, "", ""),
)
for idx, username in enumerate(usernames):
conn.execute(
"INSERT INTO contact VALUES (?, ?, ?, ?, ?, ?, ?, ?)",
(username, "", f"好友{idx + 1}", "", 1, 0, "", ""),
)
conn.commit()
finally:
conn.close()
def _seed_session_db(self, path: Path, *, usernames: list[str]) -> None:
conn = sqlite3.connect(str(path))
try:
conn.execute(
"""
CREATE TABLE SessionTable (
username TEXT,
is_hidden INTEGER,
sort_timestamp INTEGER
)
"""
)
for username in usernames:
conn.execute("INSERT INTO SessionTable VALUES (?, ?, ?)", (username, 0, 1735689600))
conn.commit()
finally:
conn.close()
def _seed_message_db(
self,
path: Path,
*,
account: str,
username: str,
rows: list[dict[str, object]],
) -> None:
table_name = f"msg_{hashlib.md5(username.encode('utf-8')).hexdigest()}"
conn = sqlite3.connect(str(path))
try:
conn.execute("CREATE TABLE Name2Id (rowid INTEGER PRIMARY KEY, user_name TEXT)")
conn.execute("INSERT INTO Name2Id(rowid, user_name) VALUES (?, ?)", (1, account))
conn.execute("INSERT INTO Name2Id(rowid, user_name) VALUES (?, ?)", (2, username))
conn.execute(
f"""
CREATE TABLE {table_name} (
local_id INTEGER,
server_id INTEGER,
local_type INTEGER,
sort_seq INTEGER,
real_sender_id INTEGER,
create_time INTEGER,
message_content TEXT,
compress_content BLOB,
packed_info_data BLOB
)
"""
)
for row in rows:
conn.execute(
f"""
INSERT INTO {table_name}
(local_id, server_id, local_type, sort_seq, real_sender_id, create_time, message_content, compress_content, packed_info_data)
VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?)
""",
(
int(row.get("local_id", 0)),
int(row.get("server_id", 0)),
int(row.get("local_type", 0)),
int(row.get("sort_seq", row.get("local_id", 0))),
int(row.get("real_sender_id", 1)),
int(row.get("create_time", 0)),
str(row.get("message_content", "")),
row.get("compress_content"),
row.get("packed_info_data"),
),
)
conn.commit()
finally:
conn.close()
def _seed_index_db(self, path: Path, *, rows: list[dict[str, object]]) -> None:
conn = sqlite3.connect(str(path))
try:
conn.execute(
"""
CREATE TABLE message_fts (
text TEXT,
username TEXT,
render_type TEXT,
create_time INTEGER,
sort_seq INTEGER,
local_id INTEGER,
server_id INTEGER,
local_type INTEGER,
db_stem TEXT,
table_name TEXT,
sender_username TEXT,
is_hidden INTEGER,
is_official INTEGER
)
"""
)
for row in rows:
conn.execute(
"""
INSERT INTO message_fts (
text, username, render_type, create_time, sort_seq, local_id, server_id, local_type,
db_stem, table_name, sender_username, is_hidden, is_official
) VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)
""",
(
str(row.get("text", "")),
str(row.get("username", "")),
str(row.get("render_type", "")),
int(row.get("create_time", 0)),
int(row.get("sort_seq", 0)),
int(row.get("local_id", 0)),
int(row.get("server_id", 0)),
int(row.get("local_type", 0)),
str(row.get("db_stem", "message_0")),
str(row.get("table_name", "")),
str(row.get("sender_username", "")),
int(row.get("is_hidden", 0)),
int(row.get("is_official", 0)),
),
)
conn.commit()
finally:
conn.close()
def _seed_resource_db(
self,
path: Path,
*,
username: str,
md5: str,
server_id: int,
local_id: int,
create_time: int,
) -> None:
conn = sqlite3.connect(str(path))
try:
conn.execute("CREATE TABLE ChatName2Id (user_name TEXT)")
conn.execute("INSERT INTO ChatName2Id (rowid, user_name) VALUES (?, ?)", (7, username))
conn.execute(
"""
CREATE TABLE MessageResourceInfo (
message_id INTEGER PRIMARY KEY AUTOINCREMENT,
message_svr_id INTEGER,
chat_id INTEGER,
message_local_type INTEGER,
packed_info BLOB,
message_local_id INTEGER,
message_create_time INTEGER
)
"""
)
packed = f"/tmp/{md5}.dat".encode("utf-8")
conn.execute(
"""
INSERT INTO MessageResourceInfo
(message_svr_id, chat_id, message_local_type, packed_info, message_local_id, message_create_time)
VALUES (?, ?, ?, ?, ?, ?)
""",
(int(server_id), 7, 47, packed, int(local_id), int(create_time)),
)
conn.commit()
finally:
conn.close()
def test_only_sticker_messages_outputs_core_stats(self):
from wechat_decrypt_tool.wrapped.cards.card_04_emoji_universe import compute_emoji_universe_stats
with TemporaryDirectory() as td:
root = Path(td)
account = "wxid_me"
friend = "wxid_friend_a"
account_dir = root / account
account_dir.mkdir(parents=True, exist_ok=True)
self._seed_contact_db(account_dir / "contact.db", account=account, usernames=[friend])
self._seed_session_db(account_dir / "session.db", usernames=[friend])
md5_a = "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
md5_b = "bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb"
rows = [
{
"local_id": 1,
"server_id": 1001,
"local_type": 47,
"create_time": self._ts(2025, 1, 1, 10, 5, 0),
"message_content": f'',
},
{
"local_id": 2,
"server_id": 1002,
"local_type": 47,
"create_time": self._ts(2025, 1, 1, 10, 30, 0),
"message_content": f'',
},
{
"local_id": 3,
"server_id": 1003,
"local_type": 47,
"create_time": self._ts(2025, 1, 2, 22, 10, 0),
"message_content": f'',
},
]
self._seed_message_db(account_dir / "message_0.db", account=account, username=friend, rows=rows)
table_name = f"msg_{hashlib.md5(friend.encode('utf-8')).hexdigest()}"
fts_rows = []
for row in rows:
fts_rows.append(
{
"text": "[表情]",
"username": friend,
"render_type": "emoji",
"create_time": row["create_time"],
"sort_seq": row["local_id"],
"local_id": row["local_id"],
"server_id": row["server_id"],
"local_type": 47,
"db_stem": "message_0",
"table_name": table_name,
"sender_username": account,
}
)
self._seed_index_db(account_dir / "chat_search_index.db", rows=fts_rows)
data = compute_emoji_universe_stats(account_dir=account_dir, year=2025)
self.assertTrue(data["settings"]["usedIndex"])
self.assertEqual(data["sentStickerCount"], 3)
self.assertEqual(data["peakHour"], 10)
self.assertIsNotNone(data["peakWeekday"])
self.assertEqual(data["topBattlePartner"]["username"], friend)
self.assertEqual(data["topBattlePartner"]["stickerCount"], 3)
self.assertEqual(data["topBattlePartner"]["maskedName"], data["topBattlePartner"]["displayName"])
self.assertEqual(data["topStickers"][0]["md5"], md5_a)
self.assertEqual(data["topStickers"][0]["count"], 2)
self.assertTrue(str(data["topStickers"][0].get("sampleDisplayName") or "").strip())
self.assertTrue(str(data["topStickers"][0].get("sampleAvatarUrl") or "").startswith("/api/chat/avatar"))
def test_fallback_to_resource_md5_when_xml_missing(self):
from wechat_decrypt_tool.wrapped.cards.card_04_emoji_universe import compute_emoji_universe_stats
with TemporaryDirectory() as td:
root = Path(td)
account = "wxid_me"
friend = "wxid_friend_b"
account_dir = root / account
account_dir.mkdir(parents=True, exist_ok=True)
self._seed_contact_db(account_dir / "contact.db", account=account, usernames=[friend])
self._seed_session_db(account_dir / "session.db", usernames=[friend])
ts = self._ts(2025, 3, 8, 21, 0, 0)
rows = [
{
"local_id": 11,
"server_id": 220011,
"local_type": 47,
"create_time": ts,
"message_content": '',
}
]
self._seed_message_db(account_dir / "message_0.db", account=account, username=friend, rows=rows)
md5_fallback = "cccccccccccccccccccccccccccccccc"
self._seed_resource_db(
account_dir / "message_resource.db",
username=friend,
md5=md5_fallback,
server_id=220011,
local_id=11,
create_time=ts,
)
data = compute_emoji_universe_stats(account_dir=account_dir, year=2025)
self.assertFalse(data["settings"]["usedIndex"])
self.assertEqual(data["sentStickerCount"], 1)
self.assertEqual(data["topStickers"][0]["md5"], md5_fallback)
self.assertEqual(data["topStickers"][0]["count"], 1)
def test_text_emoji_mapping_from_wechat_emojis_ts(self):
from wechat_decrypt_tool.wrapped.cards.card_04_emoji_universe import compute_emoji_universe_stats
with TemporaryDirectory() as td:
root = Path(td)
account = "wxid_me"
friend = "wxid_friend_c"
account_dir = root / account
account_dir.mkdir(parents=True, exist_ok=True)
self._seed_contact_db(account_dir / "contact.db", account=account, usernames=[friend])
self._seed_session_db(account_dir / "session.db", usernames=[friend])
table_name = f"msg_{hashlib.md5(friend.encode('utf-8')).hexdigest()}"
fts_rows = [
{
"text": "早上好[微笑][微笑]🙂🙂",
"username": friend,
"render_type": "text",
"create_time": self._ts(2025, 4, 1, 9, 0, 0),
"local_id": 1,
"server_id": 901,
"local_type": 1,
"db_stem": "message_0",
"table_name": table_name,
"sender_username": account,
},
{
"text": "晚上见[微笑][发呆]😂",
"username": friend,
"render_type": "text",
"create_time": self._ts(2025, 4, 1, 22, 0, 0),
"local_id": 2,
"server_id": 902,
"local_type": 1,
"db_stem": "message_0",
"table_name": table_name,
"sender_username": account,
},
]
self._seed_index_db(account_dir / "chat_search_index.db", rows=fts_rows)
data = compute_emoji_universe_stats(account_dir=account_dir, year=2025)
self.assertTrue(data["settings"]["usedIndex"])
self.assertGreaterEqual(len(data["topTextEmojis"]), 1)
self.assertEqual(data["topTextEmojis"][0]["key"], "[微笑]")
self.assertEqual(data["topTextEmojis"][0]["count"], 3)
self.assertTrue(data["topTextEmojis"][0]["assetPath"].endswith("Expression_1@2x.png"))
self.assertGreaterEqual(len(data["topUnicodeEmojis"]), 1)
self.assertEqual(data["topUnicodeEmojis"][0]["emoji"], "🙂")
self.assertEqual(data["topUnicodeEmojis"][0]["count"], 2)
def test_wechat_builtin_emoji_from_packed_info_data(self):
from wechat_decrypt_tool.wrapped.cards.card_04_emoji_universe import compute_emoji_universe_stats
with TemporaryDirectory() as td:
root = Path(td)
account = "wxid_me"
friend = "wxid_friend_e"
account_dir = root / account
account_dir.mkdir(parents=True, exist_ok=True)
self._seed_contact_db(account_dir / "contact.db", account=account, usernames=[friend])
self._seed_session_db(account_dir / "session.db", usernames=[friend])
# packed_info_data protobuf varints:
# 08 04 => field#1=4
# 10 33 => field#2=51 (Expression_51@2x)
rows = [
{
"local_id": 1,
"server_id": 501,
"local_type": 47,
"create_time": self._ts(2025, 7, 1, 10, 0, 0),
"message_content": "binary_emoji_payload_a",
"packed_info_data": bytes.fromhex("08041033"),
},
{
"local_id": 2,
"server_id": 502,
"local_type": 47,
"create_time": self._ts(2025, 7, 1, 10, 1, 0),
"message_content": "binary_emoji_payload_b",
"packed_info_data": bytes.fromhex("08041033"),
},
{
"local_id": 3,
"server_id": 503,
"local_type": 47,
"create_time": self._ts(2025, 7, 1, 11, 0, 0),
"message_content": "binary_emoji_payload_c",
"packed_info_data": bytes.fromhex("0804104a"),
},
]
self._seed_message_db(account_dir / "message_0.db", account=account, username=friend, rows=rows)
data = compute_emoji_universe_stats(account_dir=account_dir, year=2025)
self.assertFalse(data["settings"]["usedIndex"])
self.assertEqual(data["sentStickerCount"], 3)
self.assertGreaterEqual(len(data["topWechatEmojis"]), 1)
self.assertEqual(data["topWechatEmojis"][0]["id"], 51)
self.assertEqual(data["topWechatEmojis"][0]["count"], 2)
self.assertTrue(data["topWechatEmojis"][0]["assetPath"].endswith("Expression_51@2x.png"))
self.assertGreaterEqual(len(data["topStickers"]), 1)
self.assertEqual(data["topStickers"][0]["emojiId"], 51)
self.assertEqual(data["topStickers"][0]["count"], 2)
self.assertTrue(str(data["topStickers"][0].get("emojiAssetPath") or "").endswith("Expression_51@2x.png"))
def test_index_counts_only_sent_messages(self):
from wechat_decrypt_tool.wrapped.cards.card_04_emoji_universe import compute_emoji_universe_stats
with TemporaryDirectory() as td:
root = Path(td)
account = "wxid_me"
friend = "wxid_friend_sent_only"
account_dir = root / account
account_dir.mkdir(parents=True, exist_ok=True)
self._seed_contact_db(account_dir / "contact.db", account=account, usernames=[friend])
self._seed_session_db(account_dir / "session.db", usernames=[friend])
rows = [
{
"text": "[ 微 笑 ]",
"username": friend,
"render_type": "text",
"create_time": self._ts(2025, 6, 2, 9, 0, 0),
"local_id": 101,
"server_id": 4001,
"local_type": 1,
"table_name": "msg_dummy",
"sender_username": account,
},
{
"text": "[ 发 呆 ]",
"username": friend,
"render_type": "text",
"create_time": self._ts(2025, 6, 2, 9, 1, 0),
"local_id": 102,
"server_id": 4002,
"local_type": 1,
"table_name": "msg_dummy",
"sender_username": friend,
},
{
"text": "[表情]",
"username": friend,
"render_type": "emoji",
"create_time": self._ts(2025, 6, 2, 9, 2, 0),
"local_id": 201,
"server_id": 5001,
"local_type": 47,
"table_name": "msg_dummy",
"sender_username": account,
},
{
"text": "[表情]",
"username": friend,
"render_type": "emoji",
"create_time": self._ts(2025, 6, 2, 9, 3, 0),
"local_id": 202,
"server_id": 5002,
"local_type": 47,
"table_name": "msg_dummy",
"sender_username": friend,
},
]
self._seed_index_db(account_dir / "chat_search_index.db", rows=rows)
data = compute_emoji_universe_stats(account_dir=account_dir, year=2025)
self.assertTrue(data["settings"]["usedIndex"])
self.assertEqual(data["sentStickerCount"], 1)
keys = {x.get("key") for x in data.get("topTextEmojis") or []}
self.assertIn("[微笑]", keys)
self.assertNotIn("[发呆]", keys)
def test_raw_db_counts_only_sent_messages(self):
from wechat_decrypt_tool.wrapped.cards.card_04_emoji_universe import compute_emoji_universe_stats
with TemporaryDirectory() as td:
root = Path(td)
account = "wxid_me"
friend = "wxid_friend_raw_dir"
account_dir = root / account
account_dir.mkdir(parents=True, exist_ok=True)
self._seed_contact_db(account_dir / "contact.db", account=account, usernames=[friend])
self._seed_session_db(account_dir / "session.db", usernames=[friend])
rows = [
{
"local_id": 1,
"server_id": 1001,
"local_type": 1,
"real_sender_id": 1,
"create_time": self._ts(2025, 7, 1, 8, 0, 0),
"message_content": "/::B",
},
{
"local_id": 2,
"server_id": 1002,
"local_type": 1,
"real_sender_id": 2,
"create_time": self._ts(2025, 7, 1, 8, 1, 0),
"message_content": "/::B",
},
{
"local_id": 3,
"server_id": 1101,
"local_type": 47,
"real_sender_id": 1,
"create_time": self._ts(2025, 7, 1, 9, 0, 0),
"message_content": "binary_emoji_payload_a",
"packed_info_data": bytes.fromhex("08031033"),
},
{
"local_id": 4,
"server_id": 1102,
"local_type": 47,
"real_sender_id": 2,
"create_time": self._ts(2025, 7, 1, 9, 1, 0),
"message_content": "binary_emoji_payload_b",
"packed_info_data": bytes.fromhex("08031033"),
},
]
self._seed_message_db(account_dir / "message_0.db", account=account, username=friend, rows=rows)
data = compute_emoji_universe_stats(account_dir=account_dir, year=2025)
self.assertFalse(data["settings"]["usedIndex"])
self.assertEqual(data["sentStickerCount"], 1)
self.assertEqual(data["topWechatEmojis"][0]["id"], 51)
self.assertEqual(data["topWechatEmojis"][0]["count"], 1)
self.assertGreaterEqual(len(data["topTextEmojis"]), 1)
self.assertEqual(data["topTextEmojis"][0]["key"], "[色]")
self.assertEqual(data["topTextEmojis"][0]["count"], 1)
self.assertTrue(data["topTextEmojis"][0]["assetPath"].endswith("Expression_3@2x.png"))
def test_new_and_revived_sticker_metrics(self):
from wechat_decrypt_tool.wrapped.cards.card_04_emoji_universe import compute_emoji_universe_stats
with TemporaryDirectory() as td:
root = Path(td)
account = "wxid_me"
friend = "wxid_friend_new_revived"
account_dir = root / account
account_dir.mkdir(parents=True, exist_ok=True)
self._seed_contact_db(account_dir / "contact.db", account=account, usernames=[friend])
self._seed_session_db(account_dir / "session.db", usernames=[friend])
md5_revived = "dddddddddddddddddddddddddddddddd"
md5_recent = "eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee"
md5_new = "ffffffffffffffffffffffffffffffff"
rows = [
{
"local_id": 1,
"server_id": 5001,
"local_type": 47,
"create_time": self._ts(2024, 1, 1, 9, 0, 0),
"message_content": f'',
},
{
"local_id": 2,
"server_id": 5002,
"local_type": 47,
"create_time": self._ts(2024, 12, 28, 10, 0, 0),
"message_content": f'',
},
{
"local_id": 3,
"server_id": 5003,
"local_type": 47,
"create_time": self._ts(2025, 1, 5, 11, 0, 0),
"message_content": f'',
},
{
"local_id": 4,
"server_id": 5004,
"local_type": 47,
"create_time": self._ts(2025, 3, 15, 12, 0, 0),
"message_content": f'',
},
{
"local_id": 5,
"server_id": 5005,
"local_type": 47,
"create_time": self._ts(2025, 5, 10, 13, 0, 0),
"message_content": f'',
},
]
self._seed_message_db(account_dir / "message_0.db", account=account, username=friend, rows=rows)
data = compute_emoji_universe_stats(account_dir=account_dir, year=2025)
self.assertEqual(data["sentStickerCount"], 3)
self.assertEqual(data["uniqueStickerTypeCount"], 3)
self.assertEqual(data["newStickerCountThisYear"], 1)
self.assertEqual(data["revivedStickerCount"], 1)
self.assertEqual(data["revivedMinGapDays"], 60)
self.assertGreaterEqual(int(data.get("revivedMaxGapDays") or 0), 400)
new_samples = list(data.get("newStickerSamples") or [])
revived_samples = list(data.get("revivedStickerSamples") or [])
self.assertTrue(any(str(x.get("md5") or "") == md5_new for x in new_samples))
self.assertTrue(any(str(x.get("md5") or "") == md5_revived for x in revived_samples))
revived_item = next((x for x in revived_samples if str(x.get("md5") or "") == md5_revived), {})
self.assertGreaterEqual(int(revived_item.get("gapDays") or 0), 400)
def test_empty_year_returns_safe_empty_state(self):
from wechat_decrypt_tool.wrapped.cards.card_04_emoji_universe import build_card_04_emoji_universe
with TemporaryDirectory() as td:
root = Path(td)
account = "wxid_me"
account_dir = root / account
account_dir.mkdir(parents=True, exist_ok=True)
self._seed_contact_db(account_dir / "contact.db", account=account, usernames=[])
self._seed_session_db(account_dir / "session.db", usernames=[])
card = build_card_04_emoji_universe(account_dir=account_dir, year=2025)
self.assertEqual(card["id"], 4)
self.assertEqual(card["status"], "ok")
self.assertEqual(card["data"]["sentStickerCount"], 0)
self.assertIn("几乎没用表情表达", card["narrative"])
self.assertIsInstance(card["data"]["lines"], list)
self.assertGreaterEqual(len(card["data"]["lines"]), 1)
self.assertEqual(card["data"].get("topUnicodeEmojis"), [])
def test_tie_break_is_stable_by_key(self):
from wechat_decrypt_tool.wrapped.cards.card_04_emoji_universe import compute_emoji_universe_stats
with TemporaryDirectory() as td:
root = Path(td)
account = "wxid_me"
friend = "wxid_friend_d"
account_dir = root / account
account_dir.mkdir(parents=True, exist_ok=True)
self._seed_contact_db(account_dir / "contact.db", account=account, usernames=[friend])
self._seed_session_db(account_dir / "session.db", usernames=[friend])
md5_a = "11111111111111111111111111111111"
md5_b = "22222222222222222222222222222222"
rows = [
{
"local_id": 1,
"server_id": 301,
"local_type": 47,
"create_time": self._ts(2025, 6, 1, 8, 0, 0),
"message_content": f'',
},
{
"local_id": 2,
"server_id": 302,
"local_type": 47,
"create_time": self._ts(2025, 6, 1, 8, 1, 0),
"message_content": f'',
},
{
"local_id": 3,
"server_id": 303,
"local_type": 47,
"create_time": self._ts(2025, 6, 1, 8, 2, 0),
"message_content": f'',
},
{
"local_id": 4,
"server_id": 304,
"local_type": 47,
"create_time": self._ts(2025, 6, 1, 8, 3, 0),
"message_content": f'',
},
]
self._seed_message_db(account_dir / "message_0.db", account=account, username=friend, rows=rows)
table_name = f"msg_{hashlib.md5(friend.encode('utf-8')).hexdigest()}"
fts_rows = []
for row in rows:
fts_rows.append(
{
"text": "[表情]",
"username": friend,
"render_type": "emoji",
"create_time": row["create_time"],
"local_id": row["local_id"],
"server_id": row["server_id"],
"local_type": 47,
"db_stem": "message_0",
"table_name": table_name,
"sender_username": account,
}
)
fts_rows.extend(
[
{
# `chat_search_index` stores text as char-tokens: "[微笑][发呆]" -> "[ 微 笑 ] [ 发 呆 ]"
"text": "[ 微 笑 ] [ 发 呆 ]",
"username": friend,
"render_type": "text",
"create_time": self._ts(2025, 6, 2, 9, 0, 0),
"local_id": 101,
"server_id": 4001,
"local_type": 1,
"db_stem": "message_0",
"table_name": table_name,
"sender_username": account,
},
{
"text": "[ 发 呆 ] [ 微 笑 ]",
"username": friend,
"render_type": "text",
"create_time": self._ts(2025, 6, 2, 9, 1, 0),
"local_id": 102,
"server_id": 4002,
"local_type": 1,
"db_stem": "message_0",
"table_name": table_name,
"sender_username": account,
},
]
)
self._seed_index_db(account_dir / "chat_search_index.db", rows=fts_rows)
data = compute_emoji_universe_stats(account_dir=account_dir, year=2025)
self.assertEqual(data["topStickers"][0]["md5"], md5_a)
expected_emoji_key = sorted(["[微笑]", "[发呆]"])[0]
self.assertEqual(data["topTextEmojis"][0]["key"], expected_emoji_key)
if __name__ == "__main__":
unittest.main()