Bug 1898983 - add a webcompat intervention for elibrary.ferc.gov; r=denschub,webcompat-reviewers

Differential Revision: https://phabricator.services.mozilla.com/D273917

Author: wisniewskit

browser/extensions/webcompat/data/interventions.json

@@ -5381,6 +5381,23 @@
       }
     ]
   },
+  "1898983": {
+    "label": "elibrary.ferc.gov",
+    "bugs": {
+      "1898983": {
+        "issue": "unsupported-warning",
+        "matches": ["*://elibrary.ferc.gov/*"]
+      }
+    },
+    "interventions": [
+      {
+        "platforms": ["all"],
+        "content_scripts": {
+          "js": ["bug1898983-elibrary.ferc.gov-window-chrome-shim.js"]
+        }
+      }
+    ]
+  },
   "1902496": {
     "label": "be.bim.mx",
     "bugs": {

browser/extensions/webcompat/injections/js/bug1898983-elibrary.ferc.gov-window-chrome-shim.js

@@ -0,0 +1,19 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+"use strict";
+
+/**
+ * Bug 1898983 - UA spoof for elibrary.ferc.gov
+ *
+ * The site is checking for window.chrome, so let's spoof that.
+ */
+
+/* globals exportFunction */
+
+console.info(
+  "window.chrome has been shimmed for compatibility reasons. https://bugzilla.mozilla.org/show_bug.cgi?id=1898983 for details."
+);
+
+window.wrappedJSObject.chrome = new window.wrappedJSObject.Object();

testing/webcompat/interventions/tests/test_1898983_elibrary_ferc_gov.py

@@ -0,0 +1,20 @@
+import pytest
+
+URL = "https://elibrary.ferc.gov/eLibrary/filelist"
+
+UNSUPPORTED_TEXT = "Chrome and Edge"
+
+
+@pytest.mark.asyncio
+@pytest.mark.with_interventions
+async def test_enabled(client):
+    await client.navigate(URL)
+    await client.stall(3)
+    assert not client.find_text(UNSUPPORTED_TEXT, is_displayed=True)
+
+
+@pytest.mark.asyncio
+@pytest.mark.without_interventions
+async def test_disabled(client):
+    await client.navigate(URL)
+    assert client.await_text(UNSUPPORTED_TEXT, is_displayed=True)