cpython/Lib/sqlite3/test/dump.py

87 lines
2.9 KiB
Python

# Author: Paul Kippes <kippesp@gmail.com>
import unittest
import sqlite3 as sqlite
class DumpTests(unittest.TestCase):
def setUp(self):
self.cx = sqlite.connect(":memory:")
self.cu = self.cx.cursor()
def tearDown(self):
self.cx.close()
def test_table_dump(self):
expected_sqls = [
"""CREATE TABLE "index"("index" blob);"""
,
"""INSERT INTO "index" VALUES(X'01');"""
,
"""CREATE TABLE "quoted""table"("quoted""field" text);"""
,
"""INSERT INTO "quoted""table" VALUES('quoted''value');"""
,
"CREATE TABLE t1(id integer primary key, s1 text, " \
"t1_i1 integer not null, i2 integer, unique (s1), " \
"constraint t1_idx1 unique (i2));"
,
"INSERT INTO \"t1\" VALUES(1,'foo',10,20);"
,
"INSERT INTO \"t1\" VALUES(2,'foo2',30,30);"
,
"CREATE TABLE t2(id integer, t2_i1 integer, " \
"t2_i2 integer, primary key (id)," \
"foreign key(t2_i1) references t1(t1_i1));"
,
"CREATE TRIGGER trigger_1 update of t1_i1 on t1 " \
"begin " \
"update t2 set t2_i1 = new.t1_i1 where t2_i1 = old.t1_i1; " \
"end;"
,
"CREATE VIEW v1 as select * from t1 left join t2 " \
"using (id);"
]
[self.cu.execute(s) for s in expected_sqls]
i = self.cx.iterdump()
actual_sqls = [s for s in i]
expected_sqls = ['BEGIN TRANSACTION;'] + expected_sqls + \
['COMMIT;']
[self.assertEqual(expected_sqls[i], actual_sqls[i])
for i in range(len(expected_sqls))]
def test_unorderable_row(self):
# iterdump() should be able to cope with unorderable row types (issue #15545)
class UnorderableRow:
def __init__(self, cursor, row):
self.row = row
def __getitem__(self, index):
return self.row[index]
self.cx.row_factory = UnorderableRow
CREATE_ALPHA = """CREATE TABLE "alpha" ("one");"""
CREATE_BETA = """CREATE TABLE "beta" ("two");"""
expected = [
"BEGIN TRANSACTION;",
CREATE_ALPHA,
CREATE_BETA,
"COMMIT;"
]
self.cu.execute(CREATE_BETA)
self.cu.execute(CREATE_ALPHA)
got = list(self.cx.iterdump())
self.assertEqual(expected, got)
def suite():
tests = [
DumpTests,
]
return unittest.TestSuite(
[unittest.TestLoader().loadTestsFromTestCase(t) for t in tests]
)
def test():
runner = unittest.TextTestRunner()
runner.run(suite())
if __name__ == "__main__":
test()