[PATCH] Merge pull request jenkinsci/docker-inbound-agent#142 from kr…

…ufab/add_test_and_uniform_code

Added tests to the project

tests/netcat-helper/Dockerfile

@@ -0,0 +1,6 @@
+FROM alpine:3.11
+
+RUN apk update --no-cache \
+  && apk add --no-cache \
+    coreutils \
+    netcat-openbsd

tests/tests.bats

@@ -0,0 +1,94 @@
+#!/usr/bin/env bats
+
+DOCKERFILE=Dockerfile
+JDK=8
+SLAVE_IMAGE=jenkins-jnlp-slave
+SLAVE_CONTAINER=bats-jenkins-jnlp-slave
+NETCAT_HELPER_CONTAINER=netcat-helper
+
+if [[ -z "${FLAVOR}" ]]
+then
+  FLAVOR="debian"
+elif [[ "${FLAVOR}" = "jdk11" ]]
+then
+  DOCKERFILE+="-jdk11"
+  JDK=11
+  SLAVE_IMAGE+=":jdk11"
+  SLAVE_CONTAINER+="-jdk11"
+else
+  DOCKERFILE+="-alpine"
+  SLAVE_IMAGE+=":alpine"
+  SLAVE_CONTAINER+="-alpine"
+fi
+
+load test_helpers
+
+clean_test_container
+
+buildNetcatImage
+
+function teardown () {
+  clean_test_container
+}
+
+@test "[${FLAVOR}] build image" {
+  cd "${BATS_TEST_DIRNAME}"/.. || false
+  docker build -t "${SLAVE_IMAGE}" -f "${DOCKERFILE}" .
+}
+
+@test "[${FLAVOR}] image has installed jenkins-agent in PATH" {
+  docker run -d -it --name "${SLAVE_CONTAINER}" -P "${SLAVE_IMAGE}" /bin/bash
+
+  is_slave_container_running
+
+  run docker exec "${SLAVE_CONTAINER}" which jenkins-slave
+  [ "/usr/local/bin/jenkins-slave" = "${lines[0]}" ]
+
+  run docker exec "${SLAVE_CONTAINER}" which jenkins-agent
+  [ "/usr/local/bin/jenkins-agent" = "${lines[0]}" ]
+}
+
+@test "[${FLAVOR}] image starts jenkins-agent correctly" {
+  docker run -d -it --name netcat-helper netcat-helper:latest /bin/sh
+
+  docker run -d --link netcat-helper --name "${SLAVE_CONTAINER}" "${SLAVE_IMAGE}" -url http://netcat-helper:5000 aaa bbb
+
+  run docker exec netcat-helper /bin/sh -c "timeout 10s nc -l 5000"
+
+  # The GET request ends with a '\r'
+  [ $'GET /tcpSlaveAgentListener/ HTTP/1.1\r' = "${lines[0]}" ]
+}
+
+@test "[${FLAVOR}] use build args correctly" {
+  cd "${BATS_TEST_DIRNAME}"/.. || false
+
+  local ARG_TEST_VERSION
+  local TEST_VERSION="3.36"
+  local TEST_USER="root"
+
+	if [[ "${FLAVOR}" = "debian" ]]
+  then
+    ARG_TEST_VERSION="${TEST_VERSION}-1"
+  elif [[ "${FLAVOR}" = "jdk11" ]]
+  then
+    ARG_TEST_VERSION="${TEST_VERSION}-1-jdk11"
+  else
+    ARG_TEST_VERSION="${TEST_VERSION}-1-alpine"
+  fi
+
+  docker build \
+    --build-arg "version=${ARG_TEST_VERSION}" \
+    --build-arg "user=${TEST_USER}" \
+    -t "${SLAVE_IMAGE}" \
+    -f "${DOCKERFILE}" .
+
+  docker run -d -it --name "${SLAVE_CONTAINER}" -P "${SLAVE_IMAGE}" /bin/sh
+
+  is_slave_container_running
+
+  run docker exec "${SLAVE_CONTAINER}" sh -c "java -cp /usr/share/jenkins/agent.jar hudson.remoting.jnlp.Main -version"
+  [ "${TEST_VERSION}" = "${lines[0]}" ]
+
+  run docker exec "${SLAVE_CONTAINER}" sh -c "id -u -n ${TEST_USER}"
+  [ "${TEST_USER}" = "${lines[0]}" ]
+}