From b3ba764d11dbf3619efe33ac8abd1d2807a3adbb Mon Sep 17 00:00:00 2001
From: Harry Rose <harryrose@protonmail.com>
Date: Wed, 11 Mar 2026 17:22:56 +0000
Subject: [PATCH] Add tests

---
 server/models/PodcastEpisode.test.js | 117 +++++++++++++++++++++++++++
 1 file changed, 117 insertions(+)
 create mode 100644 server/models/PodcastEpisode.test.js

diff --git a/server/models/PodcastEpisode.test.js b/server/models/PodcastEpisode.test.js
new file mode 100644
index 00000000..676c59f1
--- /dev/null
+++ b/server/models/PodcastEpisode.test.js
@@ -0,0 +1,117 @@
+const chai = require('chai')
+const PodcastEpisode = require('./PodcastEpisode')
+const Logger = require('../Logger')
+const expect = chai.expect
+
+describe('PodcastEpisode', () => {
+  describe('autoGenerateChaptersFromTimestamps', () => {
+    var testCasesTestingSuccess = [
+      {
+        testName: 'Should handle descriptions using html paragraphs',
+        description: '<p>Introduction text paragraph 1</p><p>Introduction text paragraph 2</p><p>00:48 Chatper 1  </p><p>12:14 Chapter 2 </p><p>20:56 Chapter 3  </p><p>27:34 Chapter 4  </p><p>32:00 Chapter 5  </p><p>35:16 Chapter 6  </p><p>41:32 Chapter 7  </p><p>46:43 Chapter 8</p>',
+        audioDuration: 3060,
+        expectedChapters: [
+          { title: 'Chatper 1', id: 1, start: 48, end: 734 },
+          { title: 'Chapter 2', id: 2, start: 734, end: 1256 },
+          { title: 'Chapter 3', id: 3, start: 1256, end: 1654 },
+          { title: 'Chapter 4', id: 4, start: 1654, end: 1920 },
+          { title: 'Chapter 5', id: 5, start: 1920, end: 2116 },
+          { title: 'Chapter 6', id: 6, start: 2116, end: 2492 },
+          { title: 'Chapter 7', id: 7, start: 2492, end: 2803 },
+          { title: 'Chapter 8', id: 8, start: 2803, end: 3060 }
+        ]
+      },
+      {
+        testName: 'Should handle descriptions using html line breaks',
+        description: '<br>Introduction text paragraph 1<br /><br>Introduction text paragraph 2<br /><br />0:00:00 Chapter 1<br />0:17:05 Chapter 2<br />0:33:58 Chapter 3<br />0:40:35 Chapter 4<br />Unrelated outro line<br />',
+        audioDuration: 2700,
+        expectedChapters: [
+          { title: 'Chapter 1', id: 1, start: 0, end: 1025 },
+          { title: 'Chapter 2', id: 2, start: 1025, end: 2038 },
+          { title: 'Chapter 3', id: 3, start: 2038, end: 2435 },
+          { title: 'Chapter 4', id: 4, start: 2435, end: 2700 }
+        ]
+      },
+      {
+        testName: 'Should handle descriptions using unix new lines',
+        description: `Introduction text paragraph 1
+        Introduction text paragraph 2
+        0:00:00 Chapter 1
+        0:17:05 Chapter 2
+        0:33:58 Chapter 3
+        0:40:35 Chapter 4
+        Unrelated outro line`,
+        audioDuration: 2700,
+        expectedChapters: [
+          { title: 'Chapter 1', id: 1, start: 0, end: 1025 },
+          { title: 'Chapter 2', id: 2, start: 1025, end: 2038 },
+          { title: 'Chapter 3', id: 3, start: 2038, end: 2435 },
+          { title: 'Chapter 4', id: 4, start: 2435, end: 2700 }
+        ]
+      },
+      {
+        testName: 'Should handle descriptions with no timestamps',
+        description: `Introduction text paragraph 1
+        Introduction text paragraph 2`,
+        audioDuration: 2700,
+        expectedChapters: []
+      },
+      {
+        testName: 'Should handle timestampes in parentheses',
+        description: '<p>Introduction text paragraph 1</p><p>Introduction text paragraph 2</p><p>(00:48) Chatper 1  </p><p>(12:14) Chapter 2 </p><p>(20:56) Chapter 3  </p><p>(27:34) Chapter 4  </p><p>(32:00) Chapter 5  </p><p>(35:16) Chapter 6  </p><p>(41:32) Chapter 7  </p><p>(46:43) Chapter 8</p>',
+        audioDuration: 3060,
+        expectedChapters: [
+          { title: 'Chatper 1', id: 1, start: 48, end: 734 },
+          { title: 'Chapter 2', id: 2, start: 734, end: 1256 },
+          { title: 'Chapter 3', id: 3, start: 1256, end: 1654 },
+          { title: 'Chapter 4', id: 4, start: 1654, end: 1920 },
+          { title: 'Chapter 5', id: 5, start: 1920, end: 2116 },
+          { title: 'Chapter 6', id: 6, start: 2116, end: 2492 },
+          { title: 'Chapter 7', id: 7, start: 2492, end: 2803 },
+          { title: 'Chapter 8', id: 8, start: 2803, end: 3060 }
+        ]
+      }
+    ]
+    testCasesTestingSuccess.forEach(function (testCase) {
+      it(testCase.testName, () => {
+        var chapters = PodcastEpisode.autoGenerateChaptersFromTimestamps(testCase.description, testCase.audioDuration)
+        expect(chapters).to.be.deep.equal(testCase.expectedChapters)
+      })
+    })
+
+    var testCasesTestingFailure = [
+      {
+        testName: 'Should throw if only one chapter found',
+        description: '<p>Introduction text paragraph 1</p><p>Introduction text paragraph 2</p><p>00:48 Chatper 1  </p>',
+        audioDuration: 1000,
+        expectedError: 'Only one chapter found, treating as invalid description'
+      },
+      {
+        testName: 'Should throw if description is null',
+        description: null,
+        audioDuration: 1000,
+        expectedError: 'Description must not be null'
+      },
+      {
+        testName: 'Should throw if audio duration is null',
+        description: '',
+        audioDuration: null,
+        expectedError: 'Audio duration must not be null'
+      },
+      {
+        testName: 'Should throw if chapter has no title',
+        description: '<p>Introduction text paragraph 1</p><p>Introduction text paragraph 2</p><p>00:48 Chatper 1  </p><p>00:60:12</p>',
+        audioDuration: 1000,
+        expectedError: 'Unable to get chapter title from description'
+      }
+    ]
+    testCasesTestingFailure.forEach(function (testCase) {
+      it(testCase.testName, () => {
+        expect(() => {
+          var chapters = PodcastEpisode.autoGenerateChaptersFromTimestamps(testCase.description, testCase.audioDuration)
+          Logger.debug('Chapters', chapters)
+        }).to.throw(testCase.expectedError)
+      })
+    })
+  })
+})