Testing how config env vars work - they are loaded very early.

Author: craigparra

config/custom-environment-variables.json

@@ -0,0 +1,4 @@
+{
+  "providedEnvVar": "PROVIDED_ENV_VAR",
+  "missingEnvVar": "MISSING_ENV_VAR"
+}

config/custom-enviropnment-variables.json

@@ -0,0 +1,4 @@
+{
+  "providedEnvVar": "provided-default-value",
+  "missingEnvVar": "missing-default-value"
+}

config/default.json

@@ -9,5 +9,7 @@
      "placeholder": "start.${one}.${nested.two}.end",
      "encrypted" : "enc.pxQ6z9s/LRpGB+4ddJ8bsq8RqELmhVU2",
      "encryptedWithSecret" : "enc./emLGkD3cbfqoSPijGZ0jh1p1SYIHQeJ"
-  }
+  },
+  "providedEnvVar": "provided-local-value",
+  "missingEnvVar": "missing-local-value"
 }

config/local-development.json

@@ -29,7 +29,7 @@
     "lint": "npx eslint \"./*.js\" \"./test/**/*.js\" --fix",
     "test": "npm run test:unit",
     "test:unit": "npm run test:tdd",
-    "test:tdd": "mocha --require test/fixtures",
+    "test:tdd": "cross-env NODE_ENV=npm PROVIDED_ENV_VAR=provided-ext-value mocha --require test/fixtures",
     "test:bdd": "npm run cucumber",
     "coverage": "npm run nyc",
     "mocha": "mocha --require test/fixtures",
@@ -49,6 +49,7 @@
     "@cucumber/cucumber": "^7.3.0",
     "babel-eslint": "^10.1.0",
     "chai": "^4.3.4",
+    "cross-env": "^7.0.3",
     "cucumber": "^7.0.0-rc.0",
     "eslint": "^7.30.0",
     "eslint-config-airbnb-base": "^14.2.1",

package-lock.json

@@ -1,6 +1,6 @@
 exports.mochaGlobalSetup = async function setup() {
   // console.log(`mocha global setup: started`);
-  //  ...
+  // ...
   // console.log(`mocha global setup: completed`);
 };
 

package.json

@@ -1,3 +1,4 @@
+process.env.PROVIDED_ENV_VAR = 'provided-index-value';
 const npmconfig = require('config');
 const { assert } = require('chai');
 const {
@@ -61,4 +62,10 @@ describe('Simple encrypted properties and placeholders', () => {
     assert.equal(config.get('placeholder'), 'start.one.two.end', 'config placeholder == start.one.two.end');
     assert.equal(config.get('placeholderEncrypted'), 'start.hello world.end', 'config placeholderEncrypted == start.hello world.end');
   });
+
+  it('local-development env vars are resolved ', () => {
+    //assert.equal(npmconfig.get('providedEnvVar'), 'system', 'config.get(\'providedEnvVar\') == system');
+    assert.equal(process.env.PROVIDED_ENV_VAR, 'provided-index-value', 'process.env.PROVIDED_ENV_VAR == provided-index-value');
+    assert.equal(npmconfig.get('missingEnvVar'), 'missing-local-value', 'config.get(\'missingEnvVar\') == missing-local-dev-value');
+  });
 });