mirror of
https://github.com/postgrespro/pg_probackup.git
synced 2026-06-21 01:34:15 +02:00
[Issue #228]: added tests for corruption, truncation and missing conditions
This commit is contained in:
Grigory Smolkin
@@ -3768,6 +3768,202 @@ class ValidateTest(ProbackupTest, unittest.TestCase):
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# Clean after yourself
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self.del_test_dir(module_name, fname)
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# @unittest.expectedFailure
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# @unittest.skip("skip")
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def test_validate_corrupt_page_header_map(self):
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"""
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Check that corruption in page_header_map is detected
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"""
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fname = self.id().split('.')[3]
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backup_dir = os.path.join(self.tmp_path, module_name, fname, 'backup')
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node = self.make_simple_node(
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base_dir=os.path.join(module_name, fname, 'node'),
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set_replication=True,
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initdb_params=['--data-checksums'])
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self.init_pb(backup_dir)
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self.add_instance(backup_dir, 'node', node)
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node.slow_start()
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ok_1 = self.backup_node(backup_dir, 'node', node, options=['--stream'])
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# FULL backup
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backup_id = self.backup_node(
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backup_dir, 'node', node, options=['--stream'])
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ok_2 = self.backup_node(backup_dir, 'node', node, options=['--stream'])
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page_header_map = os.path.join(
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backup_dir, 'backups', 'node', backup_id, 'page_header_map')
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# Corrupt tablespace_map file in FULL backup
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with open(page_header_map, "rb+", 0) as f:
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f.seek(42)
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f.write(b"blah")
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f.flush()
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f.close
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try:
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self.validate_pb(backup_dir, 'node', backup_id=backup_id)
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self.assertEqual(
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1, 0,
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"Expecting Error because page_header is corrupted.\n "
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"Output: {0} \n CMD: {1}".format(
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self.output, self.cmd))
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except ProbackupException as e:
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self.assertTrue(
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'WARNING: An error occured during metadata decompression' in e.message and
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'data error' in e.message,
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'\n Unexpected Error Message: {0}\n CMD: {1}'.format(
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repr(e.message), self.cmd))
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self.assertIn("Backup {0} is corrupt".format(backup_id), e.message)
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try:
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self.validate_pb(backup_dir)
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self.assertEqual(
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1, 0,
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"Expecting Error because page_header is corrupted.\n "
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"Output: {0} \n CMD: {1}".format(
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self.output, self.cmd))
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except ProbackupException as e:
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self.assertTrue(
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'WARNING: An error occured during metadata decompression' in e.message and
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'data error' in e.message,
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'\n Unexpected Error Message: {0}\n CMD: {1}'.format(
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repr(e.message), self.cmd))
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self.assertIn("INFO: Backup {0} data files are valid".format(ok_1), e.message)
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self.assertIn("WARNING: Backup {0} data files are corrupted".format(backup_id), e.message)
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self.assertIn("INFO: Backup {0} data files are valid".format(ok_2), e.message)
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self.assertIn("WARNING: Some backups are not valid", e.message)
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# Clean after yourself
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self.del_test_dir(module_name, fname, [node])
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# @unittest.expectedFailure
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# @unittest.skip("skip")
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def test_validate_truncated_page_header_map(self):
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"""
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Check that corruption in page_header_map is detected
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"""
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fname = self.id().split('.')[3]
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backup_dir = os.path.join(self.tmp_path, module_name, fname, 'backup')
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node = self.make_simple_node(
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base_dir=os.path.join(module_name, fname, 'node'),
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set_replication=True,
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initdb_params=['--data-checksums'])
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self.init_pb(backup_dir)
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self.add_instance(backup_dir, 'node', node)
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node.slow_start()
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ok_1 = self.backup_node(backup_dir, 'node', node, options=['--stream'])
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# FULL backup
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backup_id = self.backup_node(
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backup_dir, 'node', node, options=['--stream'])
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ok_2 = self.backup_node(backup_dir, 'node', node, options=['--stream'])
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page_header_map = os.path.join(
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backup_dir, 'backups', 'node', backup_id, 'page_header_map')
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# truncate page_header_map file
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with open(page_header_map, "rb+", 0) as f:
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f.truncate(121)
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f.flush()
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f.close
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try:
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self.validate_pb(backup_dir, 'node', backup_id=backup_id)
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self.assertEqual(
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1, 0,
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"Expecting Error because page_header is corrupted.\n "
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"Output: {0} \n CMD: {1}".format(
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self.output, self.cmd))
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except ProbackupException as e:
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self.assertIn(
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'ERROR: Backup {0} is corrupt'.format(backup_id), e.message,
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'\n Unexpected Error Message: {0}\n CMD: {1}'.format(
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repr(e.message), self.cmd))
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try:
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self.validate_pb(backup_dir)
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self.assertEqual(
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1, 0,
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"Expecting Error because page_header is corrupted.\n "
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"Output: {0} \n CMD: {1}".format(
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self.output, self.cmd))
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except ProbackupException as e:
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self.assertIn("INFO: Backup {0} data files are valid".format(ok_1), e.message)
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self.assertIn("WARNING: Backup {0} data files are corrupted".format(backup_id), e.message)
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self.assertIn("INFO: Backup {0} data files are valid".format(ok_2), e.message)
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self.assertIn("WARNING: Some backups are not valid", e.message)
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# Clean after yourself
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self.del_test_dir(module_name, fname, [node])
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# @unittest.expectedFailure
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# @unittest.skip("skip")
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def test_validate_missing_page_header_map(self):
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"""
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Check that corruption in page_header_map is detected
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"""
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fname = self.id().split('.')[3]
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backup_dir = os.path.join(self.tmp_path, module_name, fname, 'backup')
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node = self.make_simple_node(
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base_dir=os.path.join(module_name, fname, 'node'),
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set_replication=True,
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initdb_params=['--data-checksums'])
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self.init_pb(backup_dir)
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self.add_instance(backup_dir, 'node', node)
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node.slow_start()
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ok_1 = self.backup_node(backup_dir, 'node', node, options=['--stream'])
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# FULL backup
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backup_id = self.backup_node(
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backup_dir, 'node', node, options=['--stream'])
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ok_2 = self.backup_node(backup_dir, 'node', node, options=['--stream'])
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page_header_map = os.path.join(
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backup_dir, 'backups', 'node', backup_id, 'page_header_map')
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# unlink page_header_map file
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os.remove(page_header_map)
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try:
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self.validate_pb(backup_dir, 'node', backup_id=backup_id)
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self.assertEqual(
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1, 0,
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"Expecting Error because page_header is corrupted.\n "
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"Output: {0} \n CMD: {1}".format(
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self.output, self.cmd))
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except ProbackupException as e:
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self.assertIn(
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'ERROR: Backup {0} is corrupt'.format(backup_id), e.message,
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'\n Unexpected Error Message: {0}\n CMD: {1}'.format(
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repr(e.message), self.cmd))
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try:
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self.validate_pb(backup_dir)
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self.assertEqual(
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1, 0,
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"Expecting Error because page_header is corrupted.\n "
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"Output: {0} \n CMD: {1}".format(
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self.output, self.cmd))
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except ProbackupException as e:
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self.assertIn("INFO: Backup {0} data files are valid".format(ok_1), e.message)
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self.assertIn("WARNING: Backup {0} data files are corrupted".format(backup_id), e.message)
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self.assertIn("INFO: Backup {0} data files are valid".format(ok_2), e.message)
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self.assertIn("WARNING: Some backups are not valid", e.message)
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# Clean after yourself
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self.del_test_dir(module_name, fname, [node])
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# validate empty backup list
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# page from future during validate
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