import pytest from sqlite_utils import Database def test_tracer(): collected = [] db = Database( memory=True, tracer=lambda sql, params: collected.append((sql, params)) ) db["dogs"].insert({"name": "Cleopaws"}) db["dogs"].enable_fts(["name"]) db["dogs"].search("Cleopaws") assert collected == [ ("PRAGMA recursive_triggers=on;", None), ("select name from sqlite_master where type = 'view'", None), ("select name from sqlite_master where type = 'table'", None), ("CREATE TABLE [dogs] (\n [name] TEXT\n);\n ", None), ("select name from sqlite_master where type = 'view'", None), ("INSERT INTO [dogs] ([name]) VALUES (?);", ["Cleopaws"]), ("select name from sqlite_master where type = 'view'", None), ( "CREATE VIRTUAL TABLE [dogs_fts] USING FTS5 (\n [name],\n content=[dogs]\n)", None, ), ( "INSERT INTO [dogs_fts] (rowid, [name])\n SELECT rowid, [name] FROM [dogs];", None, ), ("select name from sqlite_master where type = 'view'", None), ] def test_with_tracer(): collected = [] tracer = lambda sql, params: collected.append((sql, params)) db = Database(memory=True) db["dogs"].insert({"name": "Cleopaws"}) db["dogs"].enable_fts(["name"]) assert len(collected) == 0 with db.tracer(tracer): list(db["dogs"].search("Cleopaws")) assert len(collected) == 5 assert collected == [ ("select name from sqlite_master where type = 'view'", None), ( "SELECT name FROM sqlite_master\n WHERE rootpage = 0\n AND (\n sql LIKE '%VIRTUAL TABLE%USING FTS%content=%dogs%'\n OR (\n tbl_name = \"dogs\"\n AND sql LIKE '%VIRTUAL TABLE%USING FTS%'\n )\n )", None, ), ("select name from sqlite_master where type = 'view'", None), ("select sql from sqlite_master where name = ?", ("dogs_fts",)), ( "with original as (\n select\n rowid,\n *\n from [dogs]\n)\nselect\n [original].*\nfrom\n [original]\n join [dogs_fts] on [original].rowid = [dogs_fts].rowid\nwhere\n [dogs_fts] match :query\norder by\n [dogs_fts].rank", {"query": "Cleopaws"}, ), ] # Outside the with block collected should not be appended to db["dogs"].insert({"name": "Cleopaws"}) assert len(collected) == 5