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test_events.py
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"""
Test that nginx-proxy detects new containers
"""
from time import sleep
import pytest
from docker.errors import NotFound
@pytest.yield_fixture()
def web1(docker_compose):
"""
pytest fixture creating a web container with `VIRTUAL_HOST=web1.nginx-proxy` listening on port 81.
"""
container = docker_compose.containers.run(
name="web1",
image="web",
detach=True,
environment={
"WEB_PORTS": "81",
"VIRTUAL_HOST": "web1.nginx-proxy"
},
ports={"81/tcp": None}
)
sleep(2) # give it some time to initialize and for docker-gen to detect it
yield container
try:
docker_compose.containers.get("web1").remove(force=True)
except NotFound:
pass
def test_nginx_proxy_behavior_when_alone(docker_compose, nginxproxy):
r = nginxproxy.get("http://nginx-proxy/")
assert r.status_code == 503
def test_new_container_is_detected(web1, nginxproxy):
r = nginxproxy.get("http://web1.nginx-proxy/port")
assert r.status_code == 200
assert "answer from port 81\n" == r.text
web1.remove(force=True)
sleep(2)
r = nginxproxy.get("http://web1.nginx-proxy/port")
assert r.status_code == 503