integration testing using replayer ✅

.travis.yml

@@ -7,11 +7,11 @@ node_js:
 cache: npm
 script:
   - npm run lint
-  - npm test
+  - npm run test
 jobs:
   include:
-    - name: e2e-test
-      script: npm run e2e-test
+    - name: test-e2e
+      script: npm run test-e2e
       node_js: '10'
   allow_failures:
-    - name: e2e-test
+    - name: test-e2e

package.json

@@ -57,18 +57,22 @@
 	},
 	"devDependencies": {
 		"db-stations": "^3.0.0",
-		"eslint": "^6.8.0",
+		"eslint": "^7.0.0",
 		"is-coordinates": "^2.0.2",
 		"is-roughly-equal": "^0.1.0",
+		"replayer": "^2.2.3",
 		"tap-spec": "^5.0.0",
 		"tape": "^5.0.0",
 		"validate-fptf": "^3.0.0",
 		"vbb-stations-autocomplete": "^4.1.0"
 	},
 	"scripts": {
-		"e2e-test": "env NODE_ENV=dev node test/e2e/index.js | tap-spec",
 		"lint": "eslint .",
-		"test": "env NODE_ENV=dev node test/index.js | tap-spec",
-		"prepublishOnly": "npm test && npm run e2e-test"
+		"test-unit": "node test/index.js | tap-spec",
+		"test-integration": "VCR_MODE=playback node test/e2e/index.js | tap-spec",
+		"test-integration:record": "VCR_MODE=record node test/e2e/index.js | tap-spec",
+		"test-e2e": "VCR_OFF=true node test/e2e/index.js | tap-spec",
+		"test": "npm run test-unit && npm run test-integration",
+		"prepublishOnly": "npm run lint && npm test"
 	}
 }

test/e2e/lib/util.js

@@ -3,6 +3,7 @@
 const isRoughlyEqual = require('is-roughly-equal')
 const {DateTime} = require('luxon')
 const a = require('assert')
+const {join} = require('path')
 const tape = require('tape')
 
 const hour = 60 * 60 * 1000
@@ -24,6 +25,18 @@ const assertValidWhen = (actual, expected, name) => {
 	a.ok(isRoughlyEqual(day + 6 * hour, +expected, ts), name + ' is out of range')
 }
 
+// HTTP request mocking
+if (process.env.VCR_MODE && !process.env.VCR_OFF) {
+	const replayer = require('replayer')
+	replayer.configure({
+		headerWhitelist: [
+			'Content-Type', 'Accept-Encoding', 'Accept',
+		],
+		includeHeaderValues: true,
+		touchHits: false,
+	})
+	replayer.fixtureDir(join(__dirname, '..', 'fixtures'))
+}
 const test = tape
 
 module.exports = {