test: add unit tests for config

Signed-off-by: Darren Murray <darren.murray@lacework.net>

.github/workflows/config_test.yml

@@ -0,0 +1,13 @@
+name: "Config Test"
+on: [pull_request]
+jobs:
+  check-bats-version:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-node@v3
+        with:
+          node-version: '14'
+      - run: npm install -g bats
+      - run: npm install -g jsonlint
+      - run: bats test_config.bats      

setup_lacework_agent.sh

@@ -50,6 +50,13 @@ notify_use_docker() {
 }
 
 render_agent_config() {
+  if [[ "${BASH_SOURCE[0]}" != "${0}" ]]; then
+    LACEWORK_INSTALL_PATH=$1 
+    ADDITIONAL_CONFIG=$2
+    SERVER_URL=$3
+    TAGS=$4 
+  fi
+
   local _config_json
   local _token_json
   local _server_url_json
@@ -84,6 +91,7 @@ render_agent_config() {
   ${_tags_json}
 }"""
 
+
   echo "Updating the Lacework agent config.json file..."
   if [ ! -d "$LACEWORK_INSTALL_PATH/config" ]; then
     mkdir "$LACEWORK_INSTALL_PATH/config"
@@ -213,4 +221,7 @@ verify_valid_token() {
   fi
 }
 
-main
+if [[ "${BASH_SOURCE[0]}" == "${0}" ]]; then
+    main
+fi
+

test_config.bats

@@ -0,0 +1,39 @@
+#!/usr/bin/env bats
+
+@test "Validate json with no args" {
+    local path=$(pwd)
+    result=$(bash -c "source setup_lacework_agent.sh && render_agent_config $path")
+
+    local config="${path}/config/config.json"
+    validateJson=$(jsonlint $config)
+    echo $validateJson
+
+    status=$?
+    [ $status -eq 0 ] 
+}
+
+@test "Validate json with additonal config" {
+    local path=$(pwd)
+    local addCfg='"{\"codeaware\": {\"enable\":\"all\" }}"'
+    result=$(bash -c "source setup_lacework_agent.sh && render_agent_config $path $addCfg")
+    local config="${path}/config/config.json"
+    validateJson=$(jsonlint $config)
+    echo $validateJson
+
+    status=$?
+    [ $status -eq 0 ] 
+}
+
+@test "Validate json with all config" {
+    local path=$(pwd)
+    local addCfg='"{\"codeaware\": {\"enable\":\"all\" }}"'
+    local serverUrl="https://agent.lacework.net"
+    local tags='"{\"env\": \"dev\"}"'
+    result=$(bash -c "source setup_lacework_agent.sh && render_agent_config $path $addCfg $serverUrl, $tags")
+    local config="${path}/config/config.json"
+    validateJson=$(jsonlint $config)
+    echo $validateJson
+
+    status=$?
+    [ $status -eq 0 ] 
+}