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nginx-proxy/test/lib/docker_helpers.bash
Thomas LEVEIL 4bd30f5d2c add test suite. See #197
This test suite is implemented using [bats](https://github.com/sstephenson/bats).

Not all features are tested. For instance ssl features and custom nginx config are missing. Probably others.

This test suite won't work with TravisCI. Too many evenings were wasted trying to overcome [issues](http://stackoverflow.com/questions/32846800/travis-fails-to-stop-docker-containers) that arises only on the TravisCI platform. However it runs on [CircleCI](https://circleci.com) which is also free for opensource projects.
2015-09-29 23:46:36 +00:00

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## functions to help deal with docker
# Removes container $1
function docker_clean {
docker kill $1 &>/dev/null ||:
sleep .25s
docker rm -vf $1 &>/dev/null ||:
sleep .25s
}
# get the ip of docker container $1
function docker_ip {
docker inspect --format '{{ .NetworkSettings.IPAddress }}' $1
}
# get the running state of container $1
# → true/false
# fails if the container does not exist
function docker_running_state {
docker inspect -f {{.State.Running}} $1
}
# get the docker container $1 PID
function docker_pid {
docker inspect --format {{.State.Pid}} $1
}
# asserts logs from container $1 contains $2
function docker_assert_log {
local -r container=$1
shift
run docker logs $container
assert_output -p "$*"
}
# wait for container $2 to contain a given text in its log
# $1 container
# $2 timeout in second
# $* text to wait for
function docker_wait_for_log {
local -r container=$1
shift
local -ir timeout_sec=$1
shift
retry $(( $timeout_sec * 2 )) .5s docker_assert_log $container "$*"
}
# Create a docker container named $1 which exposes the docker host unix
# socket over tcp on port 2375.
#
# $1 container name
function docker_tcp {
local container_name="$1"
docker_clean $container_name
docker run -d \
--name $container_name \
--expose 2375 \
-v /var/run/docker.sock:/var/run/docker.sock \
rancher/socat-docker
docker -H tcp://$(docker_ip $container_name):2375 version
}