From 22e97258226483980dcfa0b1aa6973d91da5e748 Mon Sep 17 00:00:00 2001
From: "google-labs-jules[bot]"
 <161369871+google-labs-jules[bot]@users.noreply.github.com>
Date: Sat, 22 Aug 2026 00:41:03 +0000
Subject: [PATCH] test: add error path test for canvas crawler fetch failure

This commit adds a test to `test-crawler.js` to ensure `crawlCanvasCourse` correctly throws a formatted error when the underlying fetch request for course details fails (i.e. `courseRes.ok` is false).

Co-authored-by: savvides <1580637+savvides@users.noreply.github.com>
---
 test/test-crawler.js | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/test/test-crawler.js b/test/test-crawler.js
index 6c8f325..a53a168 100644
--- a/test/test-crawler.js
+++ b/test/test-crawler.js
@@ -46,5 +46,22 @@ const mockFetch = async (url, options) => {
   assert.ok(demoResult.findings.length >= 2);
   assert.ok(demoResult.improvedDraft.title.includes('Matrix'));
 
+  // Test 4: Error Path Test for course fetch failure
+  const mockFailedFetch = async (url) => {
+    return {
+      ok: false,
+      status: 404
+    };
+  };
+
+  let errorThrown = false;
+  try {
+    await crawlCanvasCourse('https://canvas.instructure.com', 'invalid-id', mockFailedFetch);
+  } catch (err) {
+    errorThrown = true;
+    assert.strictEqual(err.message, 'Failed to fetch Canvas course info (404)');
+  }
+  assert.ok(errorThrown, 'Expected an error to be thrown for failed fetch');
+
   console.log('✅ Task 2 Canvas crawler tests passed.');
 })();