add a "test" mode

Dockerfile

@@ -2,7 +2,7 @@ FROM node:14.16.1-alpine
 
 LABEL maintainer="[email protected]"
 
-RUN apk update && apk upgrade && apk add --no-cache bash git openssh
+RUN apk update && apk upgrade && apk add --no-cache bash git jq openssh
 
 ENV MU_SPARQL_ENDPOINT 'http://database:8890/sparql'
 ENV MU_APPLICATION_GRAPH 'http://mu.semte.ch/application'

README.md

@@ -177,3 +177,16 @@ When running inside a mu.semte.ch stack, you could mount your sources and connec
         - /absolute/path/to/your/sources/:/app/
 ```
 Now open Chromium, and visit [chrome://inspect/](chrome://inspect/).  Once the service is launched, a remote target on localhost should pop up.
+
+## Running tests [BETA]
+The javascript template provides [mocha](https://mochajs.org/#getting-started) as a testing framework. Create a `test` folder in your application root and nest any tests under that folder. 
+You can run tests by setting the `NODE_ENV` to "test":
+
+```bash
+docker run
+       --rm
+       -v `pwd`:/app \
+       -e NODE_ENV=test \
+       --name my-js-test \
+       semtech/mu-javascript-template
+```

boot.sh

@@ -3,8 +3,11 @@ then
     # Run live-reload development
     exec /usr/src/app/node_modules/.bin/nodemon \
          --watch /app \
-         --ext js,mjs,cjs,json \
+         --ext js,mjs,cjs,json,hbs \
          --exec /usr/src/app/run-development.sh
+elif [ "$NODE_ENV" == "test" ]
+then
+    exec /usr/src/app/run-test.sh
 elif [ "$NODE_ENV" == "production" ]
 then
     diff -rq /app /app.original > /dev/null

package.json

@@ -6,6 +6,9 @@
     "type": "git",
     "url": "git+https://github.com/mu-semtech/mu-javascript-template.git"
   },
+  "scripts": {
+    "test": "mocha --require @babel/register --exit"
+  },
   "keywords": [
     "mu-semtech"
   ],
@@ -16,11 +19,13 @@
     "@babel/plugin-proposal-class-properties": "^7.13.0",
     "@babel/plugin-proposal-decorators": "^7.13.15",
     "@babel/preset-env": "^7.14.1",
+    "@babel/register": "^7.13.16",
     "babel-plugin-module-resolver": "4.1.0",
     "body-parser": "~1.19.0",
     "env-var": "^7.0.0",
     "express": "^4.17.1",
     "express-http-context": "~1.2.4",
+    "mocha": "^8.4.0",
     "nodemon": "^2.0.7",
     "sparql-client-2": "https://github.com/erikap/node-sparql-client.git",
     "uuid": "^8.3.2"

run-test.sh

@@ -0,0 +1,14 @@
+#!/bin/sh
+
+# create a copy of app, so we can modify as necessary
+cp -a /app /usr/src/output
+
+# add some required files from the template
+cp -a /usr/src/app/.babelrc.js /usr/src/app/helpers /usr/src/output/
+# merge package.json files, prefering whatever is specified in the app
+jq -s '.[0] * .[1]' /usr/src/app/package.json  /app/package.json > /usr/src/output/package.json
+
+# do things
+cd /usr/src/output
+npm install
+exec npm test