From f55ccec939b766bec8edf6d4bd842ab292c17ee8 Mon Sep 17 00:00:00 2001
From: boyska <piuttosto@logorroici.org>
Date: Sun, 26 Dec 2021 19:59:45 +0100
Subject: [PATCH] parseM3U tested

---
 radiomanifest.js        | 44 ++++++++++++++++++----------------
 test/parser-M3U.test.js | 53 +++++++++++++++++++++++++++++++++++++++++
 2 files changed, 77 insertions(+), 20 deletions(-)
 create mode 100644 test/parser-M3U.test.js

diff --git a/radiomanifest.js b/radiomanifest.js
index 149c910..09351da 100644
--- a/radiomanifest.js
+++ b/radiomanifest.js
@@ -111,35 +111,39 @@ async function get (siteurl, options) {
   } catch (e) {
     true
   }
-	if(resp !== null) {
-		try {
-			text = await resp.text()
+  if(resp !== null) {
+    try {
+      text = await resp.text()
 
-				const data = JSON.parse(text)
-				const name = data['icy-name']
-				if (name !== undefined) {
-					manifest.setName(name)
-				}
-		} catch (e) {
-			if (e instanceof SyntaxError) {
-				true
-			} else {
-				console.error('Error', e)
-					throw e
-			}
-		}
-	}
+        const data = JSON.parse(text)
+        const name = data['icy-name']
+        if (name !== undefined) {
+          manifest.setName(name)
+        }
+    } catch (e) {
+      if (e instanceof SyntaxError) {
+        true
+      } else {
+        console.error('Error', e)
+          throw e
+      }
+    }
+  }
 
   // XXX: in base alle options fai fetch anche di altra roba
   return manifest
 }
 
 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
+      }
     }
   })
 }
diff --git a/test/parser-M3U.test.js b/test/parser-M3U.test.js
new file mode 100644
index 0000000..7823165
--- /dev/null
+++ b/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")
+    })
+  })
+})
+