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Project description

Description

Simple py.test fixtures for writing integration tests based on Docker containers. Specify all containers you need and pytest-docker will use Docker Compose to spin them up for the duration of your test suite.

Usage

Here is the basic recipe for writing a test that depends on a service that responds over HTTP:

import pytest
import requests

from requests.exceptions import (
    ConnectionError,
)

def is_responsive(url):
    """Check if something responds to ``url``."""
    try:
        response = requests.get(url)
        if response.status_code == 200:
            return True
    except ConnectionError:
        return False

@pytest.fixture(scope='session')
def some_http_service(docker_ip, docker_services):
    """Ensure that "some service" is up and responsive."""
    url = 'http://' % (
        docker_ip,
        docker_services.port_for('abc', 123),
    )
    docker_services.wait_until_responsive(
       timeout=30.0, pause=0.1,
       check=lambda: is_responsive(url)
    )
    return url

def test_something(some_service):
    """Sample test."""
    response = requests.get(some_service)
    response.raise_for_status()

Contributing

This py.test plug-in and its source code are made available to your under and MIT license. It is safe to use in commercial and closed-source applications. Read the license for details!

Found a bug? Think a new feature would make this plug-in more practical? No one is paid to support this software, but we welcome pull requests!

Project details


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