Add tests for media-frag parsing

app/util/parse-media-fragment-identifier.test.js

@@ -0,0 +1,36 @@
+import test from 'ava';
+
+import parse from './parse-media-fragment-identifier.js';
+
+const inputResultPairs = {
+	't=1,2': { start: 1, end: 2 },
+	't=npt:1,2': { start: 1, end: 2 },
+	't=,2': { start: 0, end: 2 },
+	't=1': { start: 1, end: undefined },
+	't=1.234': { start: 1.234, end: undefined },
+	't=1.234,5.678': { start: 1.234, end: 5.678 },
+	't=1:2': { start: 62, end: undefined },
+	't=1:2.5': { start: 62.5, end: undefined },
+	't=1:2:3.4': { start: 3723.4, end: undefined },
+	't=20,1:2:3.4': { start: 20, end: 3723.4 },
+	't=20.,1:2.': { start: 20, end: 62 },
+	'track=audio&t=10,20': { start: 10, end: 20 },
+	't=10,20&track=audio': { start: 10, end: 20 },
+	't=1,2&t=3': { start: 3, end: undefined },
+	// Below are examples from the spec.
+	't=npt:10,20': { start: 10, end: 20 },
+	't=npt:,121.5': { start: 0, end: 121.5 },
+	't=0:02:00,121.5': { start: 120, end: 121.5 },
+	't=npt:120,0:02:01.5': { start: 120, end: 121.5 },
+	'%74=10,20': { start: 10, end: 20 },
+	't=%31%30': { start: 10, end: undefined },
+	't=10%2C20': { start: 10, end: 20 },
+	't=%6ept:10': { start: 10, end: undefined },
+	't=npt%3a10': { start: 10, end: undefined },
+}
+
+for (const [input, expectedResult] of Object.entries(inputResultPairs)) {
+	test(`Correctly parse input '${input}'`, t => {
+		t.deepEqual(parse(input), expectedResult);
+	});
+}

package.json

@@ -9,13 +9,35 @@
   ],
   "scripts": {
     "dev": "webextension-toolbox dev",
-    "build": "webextension-toolbox build"
+    "build": "webextension-toolbox build",
+    "test": "ava"
   },
   "devDependencies": {
+    "@babel/preset-env": "^7.6.3",
+    "@babel/register": "^7.6.2",
+    "ava": "^2.4.0",
     "webextension-toolbox": "latest"
   },
   "dependencies": {
     "delay": "^4.3.0",
     "waveform-playlist": "^3.0.4"
+  },
+  "ava": {
+    "require": [
+      "@babel/register"
+    ]
+  },
+  "babel": {
+    "retainLines": true,
+    "presets": [
+      [
+        "@babel/preset-env",
+        {
+          "targets": {
+            "node": "current"
+          }
+        }
+      ]
+    ]
   }
 }