parseM3U tested

radiomanifest.js

@@ -135,11 +135,15 @@ async function get (siteurl, options) {
 }
 
 function parseM3U (body) {
-  body.split('\n').filter((e) => {
-    if (e.startsWith('#')) {
+  return body.split('\n').filter((line) => {
+    if (line.startsWith('#')) {
       return false
     } else {
-      try { new URL(e); return true } catch { return false }
+      try {
+        new URL(line); return true
+      } catch {
+        return false
+      }
     }
   })
 }

test/parser-M3U.test.js

@@ -0,0 +1,53 @@
+const parseM3U = require('../radiomanifest.js').parsers.M3U
+const chai = require('chai')
+chai.use(require('chai-as-promised'))
+const assert = chai.assert
+
+const expect = chai.expect
+
+describe('parseM3U parses basic M3U', () => {
+  describe('empty M3U', () => {
+    it('should return empty list', () => {
+      var r = parseM3U("")
+      assert.equal(r.length, 0)
+    })
+    it('should discard empty lines', () => {
+      var r = parseM3U("\n\n\n")
+      assert.equal(r.length, 0)
+    })
+  })
+  describe('just some lines', () => {
+    it('should return appropriate list', () => {
+      var r = parseM3U("http://foo")
+      assert.equal(r.length, 1)
+      assert.equal(r[0], "http://foo")
+    })
+    it('should work with longer list', () => {
+      var r = parseM3U("http://foo\nhttp://baz\nhttp://bar\n")
+      assert.equal(r.length, 3)
+      assert.equal(r[0], "http://foo")
+      assert.equal(r[1], "http://baz")
+      assert.equal(r[2], "http://bar")
+    })
+    it('should discard empty lines', () => {
+      var r = parseM3U("http://foo\n\nhttp://baz\nhttp://bar\n\n\n")
+      assert.equal(r.length, 3)
+      assert.equal(r[0], "http://foo")
+      assert.equal(r[1], "http://baz")
+      assert.equal(r[2], "http://bar")
+    })
+  })
+  describe('comments', () => {
+    it('comments should be ignored', () => {
+      var r = parseM3U("http://foo\n#asd")
+      assert.equal(r.length, 1)
+      assert.equal(r[0], "http://foo")
+    })
+    it('mid-line hash is not a comment', () => {
+      var r = parseM3U("http://foo#asd")
+      assert.equal(r.length, 1)
+      assert.equal(r[0], "http://foo#asd")
+    })
+  })
+})
+