mirror of
https://github.com/python/cpython.git
synced 2024-11-21 12:59:38 +01:00
311 lines
9.1 KiB
Python
311 lines
9.1 KiB
Python
import sys
|
|
import unittest
|
|
from contextlib import closing
|
|
from functools import partial
|
|
from pathlib import Path
|
|
from test.support import import_helper, os_helper
|
|
|
|
dbm_sqlite3 = import_helper.import_module("dbm.sqlite3")
|
|
# N.B. The test will fail on some platforms without sqlite3
|
|
# if the sqlite3 import is above the import of dbm.sqlite3.
|
|
# This is deliberate: if the import helper managed to import dbm.sqlite3,
|
|
# we must inevitably be able to import sqlite3. Else, we have a problem.
|
|
import sqlite3
|
|
from dbm.sqlite3 import _normalize_uri
|
|
|
|
|
|
class _SQLiteDbmTests(unittest.TestCase):
|
|
|
|
def setUp(self):
|
|
self.filename = os_helper.TESTFN
|
|
db = dbm_sqlite3.open(self.filename, "c")
|
|
db.close()
|
|
|
|
def tearDown(self):
|
|
for suffix in "", "-wal", "-shm":
|
|
os_helper.unlink(self.filename + suffix)
|
|
|
|
|
|
class URI(unittest.TestCase):
|
|
|
|
def test_uri_substitutions(self):
|
|
dataset = (
|
|
("/absolute/////b/c", "/absolute/b/c"),
|
|
("PRE#MID##END", "PRE%23MID%23%23END"),
|
|
("%#?%%#", "%25%23%3F%25%25%23"),
|
|
)
|
|
for path, normalized in dataset:
|
|
with self.subTest(path=path, normalized=normalized):
|
|
self.assertTrue(_normalize_uri(path).endswith(normalized))
|
|
|
|
@unittest.skipUnless(sys.platform == "win32", "requires Windows")
|
|
def test_uri_windows(self):
|
|
dataset = (
|
|
# Relative subdir.
|
|
(r"2018\January.xlsx",
|
|
"2018/January.xlsx"),
|
|
# Absolute with drive letter.
|
|
(r"C:\Projects\apilibrary\apilibrary.sln",
|
|
"/C:/Projects/apilibrary/apilibrary.sln"),
|
|
# Relative with drive letter.
|
|
(r"C:Projects\apilibrary\apilibrary.sln",
|
|
"/C:Projects/apilibrary/apilibrary.sln"),
|
|
)
|
|
for path, normalized in dataset:
|
|
with self.subTest(path=path, normalized=normalized):
|
|
if not Path(path).is_absolute():
|
|
self.skipTest(f"skipping relative path: {path!r}")
|
|
self.assertTrue(_normalize_uri(path).endswith(normalized))
|
|
|
|
|
|
class ReadOnly(_SQLiteDbmTests):
|
|
|
|
def setUp(self):
|
|
super().setUp()
|
|
with dbm_sqlite3.open(self.filename, "w") as db:
|
|
db[b"key1"] = "value1"
|
|
db[b"key2"] = "value2"
|
|
self.db = dbm_sqlite3.open(self.filename, "r")
|
|
|
|
def tearDown(self):
|
|
self.db.close()
|
|
super().tearDown()
|
|
|
|
def test_readonly_read(self):
|
|
self.assertEqual(self.db[b"key1"], b"value1")
|
|
self.assertEqual(self.db[b"key2"], b"value2")
|
|
|
|
def test_readonly_write(self):
|
|
with self.assertRaises(dbm_sqlite3.error):
|
|
self.db[b"new"] = "value"
|
|
|
|
def test_readonly_delete(self):
|
|
with self.assertRaises(dbm_sqlite3.error):
|
|
del self.db[b"key1"]
|
|
|
|
def test_readonly_keys(self):
|
|
self.assertEqual(self.db.keys(), [b"key1", b"key2"])
|
|
|
|
def test_readonly_iter(self):
|
|
self.assertEqual([k for k in self.db], [b"key1", b"key2"])
|
|
|
|
|
|
class ReadWrite(_SQLiteDbmTests):
|
|
|
|
def setUp(self):
|
|
super().setUp()
|
|
self.db = dbm_sqlite3.open(self.filename, "w")
|
|
|
|
def tearDown(self):
|
|
self.db.close()
|
|
super().tearDown()
|
|
|
|
def db_content(self):
|
|
with closing(sqlite3.connect(self.filename)) as cx:
|
|
keys = [r[0] for r in cx.execute("SELECT key FROM Dict")]
|
|
vals = [r[0] for r in cx.execute("SELECT value FROM Dict")]
|
|
return keys, vals
|
|
|
|
def test_readwrite_unique_key(self):
|
|
self.db["key"] = "value"
|
|
self.db["key"] = "other"
|
|
keys, vals = self.db_content()
|
|
self.assertEqual(keys, [b"key"])
|
|
self.assertEqual(vals, [b"other"])
|
|
|
|
def test_readwrite_delete(self):
|
|
self.db["key"] = "value"
|
|
self.db["new"] = "other"
|
|
|
|
del self.db[b"new"]
|
|
keys, vals = self.db_content()
|
|
self.assertEqual(keys, [b"key"])
|
|
self.assertEqual(vals, [b"value"])
|
|
|
|
del self.db[b"key"]
|
|
keys, vals = self.db_content()
|
|
self.assertEqual(keys, [])
|
|
self.assertEqual(vals, [])
|
|
|
|
def test_readwrite_null_key(self):
|
|
with self.assertRaises(dbm_sqlite3.error):
|
|
self.db[None] = "value"
|
|
|
|
def test_readwrite_null_value(self):
|
|
with self.assertRaises(dbm_sqlite3.error):
|
|
self.db[b"key"] = None
|
|
|
|
|
|
class Misuse(_SQLiteDbmTests):
|
|
|
|
def setUp(self):
|
|
super().setUp()
|
|
self.db = dbm_sqlite3.open(self.filename, "w")
|
|
|
|
def tearDown(self):
|
|
self.db.close()
|
|
super().tearDown()
|
|
|
|
def test_misuse_double_create(self):
|
|
self.db["key"] = "value"
|
|
with dbm_sqlite3.open(self.filename, "c") as db:
|
|
self.assertEqual(db[b"key"], b"value")
|
|
|
|
def test_misuse_double_close(self):
|
|
self.db.close()
|
|
|
|
def test_misuse_invalid_flag(self):
|
|
regex = "must be.*'r'.*'w'.*'c'.*'n', not 'invalid'"
|
|
with self.assertRaisesRegex(ValueError, regex):
|
|
dbm_sqlite3.open(self.filename, flag="invalid")
|
|
|
|
def test_misuse_double_delete(self):
|
|
self.db["key"] = "value"
|
|
del self.db[b"key"]
|
|
with self.assertRaises(KeyError):
|
|
del self.db[b"key"]
|
|
|
|
def test_misuse_invalid_key(self):
|
|
with self.assertRaises(KeyError):
|
|
self.db[b"key"]
|
|
|
|
def test_misuse_iter_close1(self):
|
|
self.db["1"] = 1
|
|
it = iter(self.db)
|
|
self.db.close()
|
|
with self.assertRaises(dbm_sqlite3.error):
|
|
next(it)
|
|
|
|
def test_misuse_iter_close2(self):
|
|
self.db["1"] = 1
|
|
self.db["2"] = 2
|
|
it = iter(self.db)
|
|
next(it)
|
|
self.db.close()
|
|
with self.assertRaises(dbm_sqlite3.error):
|
|
next(it)
|
|
|
|
def test_misuse_use_after_close(self):
|
|
self.db.close()
|
|
with self.assertRaises(dbm_sqlite3.error):
|
|
self.db[b"read"]
|
|
with self.assertRaises(dbm_sqlite3.error):
|
|
self.db[b"write"] = "value"
|
|
with self.assertRaises(dbm_sqlite3.error):
|
|
del self.db[b"del"]
|
|
with self.assertRaises(dbm_sqlite3.error):
|
|
len(self.db)
|
|
with self.assertRaises(dbm_sqlite3.error):
|
|
self.db.keys()
|
|
|
|
def test_misuse_reinit(self):
|
|
with self.assertRaises(dbm_sqlite3.error):
|
|
self.db.__init__("new.db", flag="n", mode=0o666)
|
|
|
|
def test_misuse_empty_filename(self):
|
|
for flag in "r", "w", "c", "n":
|
|
with self.assertRaises(dbm_sqlite3.error):
|
|
db = dbm_sqlite3.open("", flag="c")
|
|
|
|
|
|
class DataTypes(_SQLiteDbmTests):
|
|
|
|
dataset = (
|
|
# (raw, coerced)
|
|
(42, b"42"),
|
|
(3.14, b"3.14"),
|
|
("string", b"string"),
|
|
(b"bytes", b"bytes"),
|
|
)
|
|
|
|
def setUp(self):
|
|
super().setUp()
|
|
self.db = dbm_sqlite3.open(self.filename, "w")
|
|
|
|
def tearDown(self):
|
|
self.db.close()
|
|
super().tearDown()
|
|
|
|
def test_datatypes_values(self):
|
|
for raw, coerced in self.dataset:
|
|
with self.subTest(raw=raw, coerced=coerced):
|
|
self.db["key"] = raw
|
|
self.assertEqual(self.db[b"key"], coerced)
|
|
|
|
def test_datatypes_keys(self):
|
|
for raw, coerced in self.dataset:
|
|
with self.subTest(raw=raw, coerced=coerced):
|
|
self.db[raw] = "value"
|
|
self.assertEqual(self.db[coerced], b"value")
|
|
# Raw keys are silently coerced to bytes.
|
|
self.assertEqual(self.db[raw], b"value")
|
|
del self.db[raw]
|
|
|
|
def test_datatypes_replace_coerced(self):
|
|
self.db["10"] = "value"
|
|
self.db[b"10"] = "value"
|
|
self.db[10] = "value"
|
|
self.assertEqual(self.db.keys(), [b"10"])
|
|
|
|
|
|
class CorruptDatabase(_SQLiteDbmTests):
|
|
"""Verify that database exceptions are raised as dbm.sqlite3.error."""
|
|
|
|
def setUp(self):
|
|
super().setUp()
|
|
with closing(sqlite3.connect(self.filename)) as cx:
|
|
with cx:
|
|
cx.execute("DROP TABLE IF EXISTS Dict")
|
|
cx.execute("CREATE TABLE Dict (invalid_schema)")
|
|
|
|
def check(self, flag, fn, should_succeed=False):
|
|
with closing(dbm_sqlite3.open(self.filename, flag)) as db:
|
|
with self.assertRaises(dbm_sqlite3.error):
|
|
fn(db)
|
|
|
|
@staticmethod
|
|
def read(db):
|
|
return db["key"]
|
|
|
|
@staticmethod
|
|
def write(db):
|
|
db["key"] = "value"
|
|
|
|
@staticmethod
|
|
def iter(db):
|
|
next(iter(db))
|
|
|
|
@staticmethod
|
|
def keys(db):
|
|
db.keys()
|
|
|
|
@staticmethod
|
|
def del_(db):
|
|
del db["key"]
|
|
|
|
@staticmethod
|
|
def len_(db):
|
|
len(db)
|
|
|
|
def test_corrupt_readwrite(self):
|
|
for flag in "r", "w", "c":
|
|
with self.subTest(flag=flag):
|
|
check = partial(self.check, flag=flag)
|
|
check(fn=self.read)
|
|
check(fn=self.write)
|
|
check(fn=self.iter)
|
|
check(fn=self.keys)
|
|
check(fn=self.del_)
|
|
check(fn=self.len_)
|
|
|
|
def test_corrupt_force_new(self):
|
|
with closing(dbm_sqlite3.open(self.filename, "n")) as db:
|
|
db["foo"] = "write"
|
|
_ = db[b"foo"]
|
|
next(iter(db))
|
|
del db[b"foo"]
|
|
|
|
|
|
if __name__ == "__main__":
|
|
unittest.main()
|