From 8f853959bef55436491c0bdf7fb45940a3638579 Mon Sep 17 00:00:00 2001
From: Thomas Wisniewski <twisniewski@mozilla.com>
Date: Tue, 16 Jun 2026 00:45:58 +0000
Subject: [PATCH] Bug 2044337 - add a header-altering webcompat intervention
 for okini.net; r=ksenia,webcompat-reviewers

Differential Revision: https://phabricator.services.mozilla.com/D306539
---
 .../interventions/2044337-www.okini.net.json  | 21 +++++++++++++++++
 testing/webcompat/client.py                   | 12 ++++++++--
 .../tests/test_1954533_copaair_com.py         |  2 ++
 .../tests/test_2044337_okini_net.py           | 23 +++++++++++++++++++
 4 files changed, 56 insertions(+), 2 deletions(-)
 create mode 100644 browser/extensions/webcompat/data/interventions/2044337-www.okini.net.json
 create mode 100644 testing/webcompat/interventions/tests/test_2044337_okini_net.py

diff --git a/browser/extensions/webcompat/data/interventions/2044337-www.okini.net.json b/browser/extensions/webcompat/data/interventions/2044337-www.okini.net.json
new file mode 100644
index 000000000000..5ddf6ea8e543
--- /dev/null
+++ b/browser/extensions/webcompat/data/interventions/2044337-www.okini.net.json
@@ -0,0 +1,21 @@
+{
+  "label": "okini.net",
+  "bugs": {
+    "2044337": {
+      "issue": "page-fails-to-load",
+      "matches": ["*://www.okini.net/*"]
+    }
+  },
+  "interventions": [
+    {
+      "platforms": ["all"],
+      "min_version": 141,
+      "alter_request_headers": [
+        {
+          "headers": ["TE"],
+          "replacement": "moz_no_te_trailers"
+        }
+      ]
+    }
+  ]
+}
diff --git a/testing/webcompat/client.py b/testing/webcompat/client.py
index 517bfd71b8ca..1152183ddd40 100644
--- a/testing/webcompat/client.py
+++ b/testing/webcompat/client.py
@@ -18,6 +18,12 @@ from webdriver.bidi.error import InvalidArgumentException, NoSuchFrameException
 from webdriver.bidi.modules.script import ContextTarget
 
 
+def escape_xpath_string_quotes(text):
+    if not "'" in text:
+        return f"'{text}'"
+    return "concat('" + """', "'", '""".join(text.split("'")) + "')"
+
+
 class Client:
     def __init__(self, request, session, event_loop):
         self.request = request
@@ -805,7 +811,8 @@ class Client:
             )
 
         async def await_text(self, text, **kwargs):
-            xpath = f"//*[text()[contains(.,'{text}')]]"
+            escaped_text = escape_xpath_string_quotes(text)
+            xpath = f"//*[text()[contains(.,{escaped_text})]]"
             return await self.await_xpath(self, xpath, **kwargs)
 
         async def await_xpath(
@@ -1181,7 +1188,8 @@ class Client:
 
     def find_text(self, text, is_displayed=None, **kwargs):
         try:
-            e = self.find_xpath(f"//*[text()[contains(.,'{text}')]]", **kwargs)
+            escaped_text = escape_xpath_string_quotes(text)
+            e = self.find_xpath(f"//*[text()[contains(.,{escaped_text})]]", **kwargs)
             return self._do_is_displayed_check(e, is_displayed)
         except webdriver.error.NoSuchElementException:
             return None
diff --git a/testing/webcompat/interventions/tests/test_1954533_copaair_com.py b/testing/webcompat/interventions/tests/test_1954533_copaair_com.py
index 9d4784501a86..f04a31867ab6 100644
--- a/testing/webcompat/interventions/tests/test_1954533_copaair_com.py
+++ b/testing/webcompat/interventions/tests/test_1954533_copaair_com.py
@@ -118,6 +118,7 @@ async def get_accept_button(client, in_headless_mode):
     )
 
 
+@pytest.mark.only_firefox_versions(min=141)
 @pytest.mark.asyncio
 @pytest.mark.with_interventions
 async def test_with_interventions(client, in_headless_mode):
@@ -125,6 +126,7 @@ async def test_with_interventions(client, in_headless_mode):
     assert client.await_css(OOPS_CSS, is_displayed=True)
 
 
+@pytest.mark.only_firefox_versions(min=141)
 @pytest.mark.asyncio
 @pytest.mark.without_interventions
 async def test_disabled(client, in_headless_mode):
diff --git a/testing/webcompat/interventions/tests/test_2044337_okini_net.py b/testing/webcompat/interventions/tests/test_2044337_okini_net.py
new file mode 100644
index 000000000000..d6d3f816d1e0
--- /dev/null
+++ b/testing/webcompat/interventions/tests/test_2044337_okini_net.py
@@ -0,0 +1,23 @@
+import pytest
+
+URL = "https://www.okini.net/"
+SUPPORTED_CSS = "table"
+UNSUPPORTED_TEXT = "Sorry, that's an error"
+
+
+@pytest.mark.only_firefox_versions(min=141)
+@pytest.mark.asyncio
+@pytest.mark.with_interventions
+async def test_enabled(client):
+    await client.navigate(URL, wait="none")
+    assert client.await_css(SUPPORTED_CSS, is_displayed=True)
+    assert not client.find_text(UNSUPPORTED_TEXT, is_displayed=True)
+
+
+@pytest.mark.only_firefox_versions(min=141)
+@pytest.mark.asyncio
+@pytest.mark.without_interventions
+async def test_disabled(client):
+    await client.navigate(URL, wait="none")
+    assert client.await_text(UNSUPPORTED_TEXT, is_displayed=True)
+    assert not client.find_css(SUPPORTED_CSS, is_displayed=True)