testcontainers-python/testcontainers/postgres.py at master · Xeonian/testcontainers-python · GitHub

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# Licensed under the Apache License, Version 2.0 (the "License"); you may

# not use this file except in compliance with the License. You may obtain

# a copy of the License at

# http://www.apache.org/licenses/LICENSE-2.0

# Unless required by applicable law or agreed to in writing, software

# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT

# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the

# License for the specific language governing permissions and limitations

# under the License.

import os

from testcontainers.core.generic import DbContainer

class PostgresContainer(DbContainer):

"""

Postgres database container.

Example

-------

The example spins up a Postgres database and connects to it using the :code:`psycopg` driver.

with PostgresContainer("postgres:9.5") as postgres:

e = sqlalchemy.create_engine(postgres.get_connection_url())

result = e.execute("select version()")

"""

POSTGRES_USER = os.environ.get("POSTGRES_USER", "test")

POSTGRES_PASSWORD = os.environ.get("POSTGRES_PASSWORD", "test")

POSTGRES_DB = os.environ.get("POSTGRES_DB", "test")

def __init__(self,

image="postgres:latest",

port=5432, user=None,

password=None,

dbname=None,

driver="psycopg2",

**kwargs):

super(PostgresContainer, self).__init__(image=image, **kwargs)

self.POSTGRES_USER = user or self.POSTGRES_USER

self.POSTGRES_PASSWORD = password or self.POSTGRES_PASSWORD

self.POSTGRES_DB = dbname or self.POSTGRES_DB

self.port_to_expose = port

self.driver = driver

self.with_exposed_ports(self.port_to_expose)

def _configure(self):

self.with_env("POSTGRES_USER", self.POSTGRES_USER)

self.with_env("POSTGRES_PASSWORD", self.POSTGRES_PASSWORD)

self.with_env("POSTGRES_DB", self.POSTGRES_DB)

def get_connection_url(self, host=None):

return super()._create_connection_url(dialect="postgresql+{}".format(self.driver),

username=self.POSTGRES_USER,

password=self.POSTGRES_PASSWORD,

db_name=self.POSTGRES_DB,

host=host,

port=self.port_to_expose)

testcontainers-python/testcontainers/postgres.py at master · Xeonian/testcontainers-python · GitHub

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