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Project Description

pytest-postgresql

Package status

What is this?

This is a pytest plugin, that enables you to test your code that relies on a running PostgreSQL Database. It allows you to specify fixtures for PostgreSQL process and client.

How to use

Warning

Tested on PostgreSQL versions > 9.x. See tests for more details.

Plugin contains two fixtures

  • postgresql - it’s a client fixture that has functional scope. After each test it ends all leftover connections, and drops test database from PostgreSQL ensuring repeatability.
  • postgresql_proc - session scoped fixture, that starts PostgreSQL instance at it’s first use and stops at the end of the tests.

Simply include one of these fixtures into your tests fixture list.

You can also create additional postgresql client and process fixtures if you’d need to:

from pytest_postgresql import factories

postgresql_my_proc = factories.postgresql_proc(
    port=None, logsdir='/tmp')
postgresql_my = factories.postgresql('postgresql_my_proc')

Note

Each PostgreSQL process fixture can be configured in a different way than the others through the fixture factory arguments.

Configuration

You can define your settings in three ways, it’s fixture factory argument, command line option and pytest.ini configuration option. You can pick which you prefer, but remember that these settings are handled in the following order:

  • Fixture factory argument
  • Command line option
  • Configuration option in your pytest.ini file
PostgreSQL option Fixture factory argument Command line option pytest.ini option Default
Path to executable executable –postgresql-exec postgresql_exec /usr/lib/postgresql/9.1/bin/pg_ctl
host host –postgresql-host postgresql_host 127.0.0.1
port port –postgresql-port postgresql_port random
postgresql user user –postgresql-user postgresql_user postgres
Starting parameters startparams –postgresql-startparams postgresql_startparams -w
Log directory location logsdir –postgresql-logsdir postgresql_logsdir $TMPDIR
Log filename’s prefix logsprefix –postgresql-logsprefix postgresql_logsprefix  
Location for unixsockets unixsocket –postgresql-unixsocketdir postgresql_unixsocketdir $TMPDIR

Example usage:

  • pass it as an argument in your own fixture

    postgresql_proc = factories.postgresql_proc(
        port=8888)
    
  • use --postgresql-port command line option when you run your tests

    py.test tests --postgresql-port=8888
    
  • specify your port as postgresql_port in your pytest.ini file.

    To do so, put a line like the following under the [pytest] section of your pytest.ini:

    [pytest]
    postgresql_port = 8888
    

CHANGELOG

1.2.0

  • [bugfix] - disallow connection to database before it gets dropped.

    Note

    Otherwise it caused random test subprocess to connect again and this the drop was unsucessfull which resulted in many more test failes on setup.

  • [cleanup] - removed path.py dependency

1.1.1

  • [bugfix] - Fixing the default pg_ctl path creation

1.1.0

  • [feature] - migrate usage of getfuncargvalue to getfixturevalue. require at least pytest 3.0.0

1.0.0

  • create command line and pytest.ini configuration options for postgresql starting parameters
  • create command line and pytest.ini configuration options for postgresql username
  • make the port random by default
  • create command line and pytest.ini configuration options for executable
  • create command line and pytest.ini configuration options for host
  • create command line and pytest.ini configuration options for port
  • Extracted code from pytest-dbfixtures
Release History

Release History

1.2.0

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1.1.1

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1.1.0

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1.0.0

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0.0.0

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pytest_postgresql-1.2.0-py2.py3-none-any.whl (15.1 kB) Copy SHA256 Checksum SHA256 py2.py3 Wheel Jan 25, 2017
pytest-postgresql-1.2.0.tar.gz (17.3 kB) Copy SHA256 Checksum SHA256 Source Jan 25, 2017

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