From 620f246ca4491518ca3320abe981c3292cc0dd91 Mon Sep 17 00:00:00 2001
From: Saul Ifshin <97627272+saul1310@users.noreply.github.com>
Date: Tue, 26 May 2026 15:29:32 -0700
Subject: [PATCH] test(frontend): add URL-encoded filename parsing case (#6436)

# Description of Changes

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Please provide a summary of the changes, including:

- What was changed
- Why the change was made
- Any challenges encountered

Closes #(issue_number)
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---

## Checklist

### General

- [x] I have read the [Contribution
Guidelines](https://github.com/Stirling-Tools/Stirling-PDF/blob/main/CONTRIBUTING.md)
- [x] I have read the [Stirling-PDF Developer
Guide](https://github.com/Stirling-Tools/Stirling-PDF/blob/main/DeveloperGuide.md)
(if applicable)
- [x] I have read the [How to add new languages to
Stirling-PDF](https://github.com/Stirling-Tools/Stirling-PDF/blob/main/devGuide/HowToAddNewLanguage.md)
(if applicable)
- [x] I have performed a self-review of my own code
- [x] My changes generate no new warnings

### Documentation

- [x] I have updated relevant docs on [Stirling-PDF's doc
repo](https://github.com/Stirling-Tools/Stirling-Tools.github.io/blob/main/docs/)
(if functionality has heavily changed)
- [x] I have read the section [Add New Translation
Tags](https://github.com/Stirling-Tools/Stirling-PDF/blob/main/devGuide/HowToAddNewLanguage.md#add-new-translation-tags)
(for new translation tags only)

### Translations (if applicable)

- [x] I ran
[`scripts/counter_translation.py`](https://github.com/Stirling-Tools/Stirling-PDF/blob/main/docs/counter_translation.md)

### UI Changes (if applicable)

- [x] Screenshots or videos demonstrating the UI changes are attached
(e.g., as comments or direct attachments in the PR)

### Testing (if applicable)

- [x] I have run `task check` to verify linters, typechecks, and tests
pass
- [x] I have tested my changes locally. Refer to the [Testing
Guide](https://github.com/Stirling-Tools/Stirling-PDF/blob/main/DeveloperGuide.md#7-testing)
for more details.
---
 frontend/editor/src/core/utils/fileResponseUtils.test.ts | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/frontend/editor/src/core/utils/fileResponseUtils.test.ts b/frontend/editor/src/core/utils/fileResponseUtils.test.ts
index ce2b6cd6d..5fec0e955 100644
--- a/frontend/editor/src/core/utils/fileResponseUtils.test.ts
+++ b/frontend/editor/src/core/utils/fileResponseUtils.test.ts
@@ -63,6 +63,14 @@ describe("fileResponseUtils", () => {
 
       expect(filename).toBe("email_content.html");
     });
+
+    test("should decode URL-encoded filenames from content-disposition header", () => {
+      const contentDisposition =
+        'attachment; filename="Quarterly%20Report%20(EN)%20v2.pdf"';
+      const filename = getFilenameFromHeaders(contentDisposition);
+
+      expect(filename).toBe("Quarterly Report (EN) v2.pdf");
+    });
   });
 
   describe("createFileFromApiResponse", () => {