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nginx-proxy/test/test_helpers.bash

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# Test if requirements are met
(
type docker &>/dev/null || ( echo "docker is not available"; exit 1 )
)>&2
# set a few global variables
SUT_IMAGE=jwilder/nginx-proxy:bats
TEST_FILE=$(basename $BATS_TEST_FILENAME .bats)
# load the Bats stdlib (see https://github.com/sstephenson/bats/pull/110)
DIR=$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )
export BATS_LIB="${DIR}/lib/bats"
load "${BATS_LIB}/batslib.bash"
# load additional bats helpers
load ${DIR}/lib/helpers.bash
load ${DIR}/lib/docker_helpers.bash
# Define functions specific to our test suite
# run the SUT docker container
# and makes sure it remains started
# and displays the nginx-proxy start logs
#
# $1 container name
# $@ other options for the `docker run` command
function nginxproxy {
local -r container_name=$1
shift
docker_clean $container_name \
&& docker run -d \
--label bats-type="nginx-proxy" \
--name $container_name \
"$@" \
$SUT_IMAGE \
&& wait_for_nginxproxy_container_to_start $container_name \
&& docker logs $container_name
}
# wait until the nginx-proxy container is ready to operate
#
# $1 container name
function wait_for_nginxproxy_container_to_start {
local -r container_name=$1
sleep .5s # give time to eventually fail to initialize
function is_running {
run docker_running_state $container_name
assert_output "true"
}
retry 3 1 is_running
}
# Send a HTTP request to container $1 for path $2 and
# Additional curl options can be passed as $@
#
# $1 container name
# $2 HTTP path to query
# $@ additional options to pass to the curl command
function curl_container {
local -r container=$1
local -r path=$2
shift 2
docker run --label bats-type="curl" appropriate/curl --silent \
--connect-timeout 5 \
--max-time 20 \
"$@" \
http://$(docker_ip $container)${path}
}
2016-04-20 18:20:08 +02:00
# Send a HTTPS request to container $1 for path $2 and
# Additional curl options can be passed as $@
#
# $1 container name
# $2 HTTPS path to query
# $@ additional options to pass to the curl command
function curl_container_https {
local -r container=$1
local -r path=$2
shift 2
docker run --label bats-type="curl" appropriate/curl --silent \
--connect-timeout 5 \
--max-time 20 \
--insecure \
"$@" \
https://$(docker_ip $container)${path}
}
# start a container running (one or multiple) webservers listening on given ports
#
# $1 container name
# $2 container port(s). If multiple ports, provide them as a string: "80 90" with a space as a separator
# $@ `docker run` additional options
function prepare_web_container {
local -r container_name=$1
local -r ports=$2
shift 2
local -r options="$@"
local expose_option=""
IFS=$' \t\n' # See https://github.com/sstephenson/bats/issues/89
for port in $ports; do
expose_option="${expose_option}--expose=$port "
done
( # used for debugging purpose. Will be display if test fails
echo "container_name: $container_name"
echo "ports: $ports"
echo "options: $options"
echo "expose_option: $expose_option"
)>&2
docker_clean $container_name
# GIVEN a container exposing 1 webserver on ports 1234
run docker run -d \
--label bats-type="web" \
--name $container_name \
$expose_option \
-w /var/www/ \
$options \
-e PYTHON_PORTS="$ports" \
python:3 bash -c "
trap '[ \${#PIDS[@]} -gt 0 ] && kill -TERM \${PIDS[@]}' TERM
declare -a PIDS
for port in \$PYTHON_PORTS; do
echo starting a web server listening on port \$port;
mkdir /var/www/\$port
cd /var/www/\$port
echo \"answer from port \$port\" > data
python -m http.server \$port &
PIDS+=(\$!)
done
wait \${PIDS[@]}
trap - TERM
wait \${PIDS[@]}
"
assert_success
# THEN querying directly port works
IFS=$' \t\n' # See https://github.com/sstephenson/bats/issues/89
for port in $ports; do
run retry 5 1s docker run --label bats-type="curl" appropriate/curl --silent --fail http://$(docker_ip $container_name):$port/data
assert_output "answer from port $port"
done
}
# stop all containers with the "bats-type" label (matching the optionally supplied value)
#
# $1 optional label value
function stop_bats_containers {
local -r value=$1
if [ -z "$value" ]; then
CIDS=( $(docker ps -q --filter "label=bats-type") )
else
CIDS=( $(docker ps -q --filter "label=bats-type=$value") )
fi
if [ ${#CIDS[@]} -gt 0 ]; then
docker stop ${CIDS[@]} >&2
fi
}
# wait for a docker-gen container to receive a specified event from a
# container with the specified ID/name
#
# $1 docker-gen container name
# $2 event
# $3 ID/name of container to receive event from
function dockergen_wait_for_event {
local -r container=$1
local -r event=$2
local -r other=$3
local -r did=$(docker_id "$other")
docker_wait_for_log "$container" 9 "Received event $event for container ${did:0:12}"
}