chore: add test for NODE_ENV in server process for #184

package.json

@@ -65,7 +65,7 @@
     "pretty": "prettier-standard 'src/**/*.js'",
     "size": "t=\"$(npm pack .)\"; wc -c \"${t}\"; tar tvf \"${t}\"; rm \"${t}\";",
     "test": "npm run unit",
-    "unit": "mocha src/*-spec.js",
+    "unit": "mocha --timeout 30000 'src/*-spec.js' 'test/*spec.js'",
     "unused-deps": "dependency-check --unused --no-dev .",
     "semantic-release": "semantic-release",
     "start": "node test/server.js",
@@ -97,6 +97,7 @@
     "dependency-check": "3.4.1",
     "deps-ok": "1.4.1",
     "dont-crack": "1.2.1",
+    "execa-wrap": "1.4.0",
     "git-issues": "1.3.1",
     "got": "9.6.0",
     "license-checker": "24.1.0",

test/spec.js

@@ -0,0 +1,24 @@
+/* eslint-env mocha */
+const la = require('lazy-ass')
+const execaWrap = require('execa-wrap')
+const path = require('path')
+
+describe('test-node-env', () => {
+  // for https://github.com/bahmutov/start-server-and-test/issues/184
+  it('passes NODE_ENV to the server process', () => {
+    const cwd = path.join(__dirname, 'test-node-env')
+    return execaWrap('npm', ['run', 'demo'], {
+      env: {
+        NODE_ENV: 'test'
+      },
+      cwd,
+      filter: ['stdout']
+    }).then(result => {
+      la(
+        result.includes('server has NODE_ENV=test'),
+        'result does not pass the right NODE_ENV to the server process',
+        result
+      )
+    })
+  })
+})

test/test-node-env/package.json

@@ -0,0 +1,8 @@
+{
+  "name": "test-node-env",
+  "scripts": {
+    "start": "node ../server",
+    "test": "echo server has NODE_ENV=$NODE_ENV",
+    "demo": "node ../../src/bin/start.js 9000"
+  }
+}