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Control and testing utility forpg_probackup2. Python 3.5+ is supported.
To installtestgres, run:
pip install testgres-pg_probackupWe encourage you to usevirtualenv for your testing environment.The package requires testgres~=1.9.3.
| Variable | Required | Default value | Description |
|---|---|---|---|
| PGPROBACKUP_TMP_DIR | No | tests/tmp_dirs | The root of the temporary directory hierarchy where tests store data and logs. Relative paths start from the current working directory. |
| PG_PROBACKUP_TEST_BACKUP_DIR_PREFIX | No | Temporary test hierarchy | Prefix of the test backup directories. Must be an absolute path. Use this variable to store test backups in a location other than the temporary test hierarchy. |
| PG_PROBACKUP_VALGRIND | No | Not set | Run pg_probackup through valgrind if the variable is set to 'y'. Setting PG_PROBACKUP_VALGRIND_SUP (see below) to any value enables valgrind just like settingPG_PROBACKUP_VALGRIND=y would do. |
| PG_PROBACKUP_VALGRIND_SUP | No | Not set | Specify the path to a valgrind suppression file. If the variable is not set then a file named "valgrind.supp" is searched for in the current working directory (normally the root of pg_probackup repository). Setting PG_PROBACKUP_VALGRIND_SUP to any value enables valgrind just like settingPG_PROBACKUP_VALGRIND=y (see above) would do. |
SeeTestgres on how to configure a custom Postgres installation usingPG_CONFIG andPG_BIN environment variables.
Here is an example of what you can do withtestgres-pg_probackup2:
# You can see full script here plugins/pg_probackup2/pg_probackup2/tests/basic_test.pydeftest_full_backup(self):# Setting up a simple test nodenode=self.pg_node.make_simple('node',pg_options={"fsync":"off","synchronous_commit":"off"})# Initialize and configure Probackupself.pb.init()self.pb.add_instance('node',node)self.pb.set_archiving('node',node)# Start the node and initialize pgbenchnode.slow_start()node.pgbench_init(scale=100,no_vacuum=True)# Perform backup and validationbackup_id=self.pb.backup_node('node',node)out=self.pb.validate('node',backup_id)# Check if the backup is validself.assertIn(f"INFO: Backup{backup_id} is valid",out)
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