From c699b6409e98fe64a70417a18b6e335b4c60f86d Mon Sep 17 00:00:00 2001
From: Wojtek Kosior <koszko@koszko.org>
Date: Mon, 13 Dec 2021 17:58:29 +0100
Subject: facilitate creating and installing WebExtensions during tests

It is now possible to more conveniently test WebExtension APIs code by wrapping it into a test WebExtension and temporarily installing in the driven browser.
---
 test/unit/conftest.py | 31 ++++++++++++++++++++++++++-----
 1 file changed, 26 insertions(+), 5 deletions(-)

(limited to 'test/unit/conftest.py')

diff --git a/test/unit/conftest.py b/test/unit/conftest.py
index 1500006..e1c98a1 100644
--- a/test/unit/conftest.py
+++ b/test/unit/conftest.py
@@ -26,10 +26,14 @@ Common fixtures for Haketilo unit tests
 # proprietary program, I am not going to enforce this in court.
 
 import pytest
+from pathlib import Path
+from selenium.webdriver.support.ui import WebDriverWait
+from selenium.webdriver.support import expected_conditions as EC
 
-from ..profiles      import firefox_safe_mode
-from ..server        import do_an_internet
-from ..script_loader import load_script
+from ..profiles           import firefox_safe_mode
+from ..server             import do_an_internet
+from ..script_loader      import load_script
+from ..extension_crafting import make_extension
 
 @pytest.fixture(scope="package")
 def proxy():
@@ -43,6 +47,23 @@ def driver(proxy):
         yield driver
         driver.quit()
 
+@pytest.fixture()
+def webextension(driver, request):
+    ext_data = request.node.get_closest_marker('ext_data')
+    if ext_data is None:
+        raise Exception('"webextension" fixture requires "ext_data" marker to be set')
+
+    ext_path = make_extension(Path(driver.firefox_profile.path),
+                              **ext_data.args[0])
+    driver.get('https://gotmyowndoma.in/')
+    addon_id = driver.install_addon(str(ext_path), temporary=True)
+    WebDriverWait(driver, 10).until(
+        EC.title_contains("Extension's options page for testing")
+    )
+    yield
+    driver.uninstall_addon(addon_id)
+    ext_path.unlink()
+
 script_injecting_script = '''\
 /*
  * Selenium by default executes scripts in some weird one-time context. We want
@@ -63,8 +84,8 @@ window.arguments = arguments[1];
 document.body.append(script_elem);
 
 /*
- * To ease debugging, we want this script to forward signal all exceptions from
- * the injectee.
+ * To ease debugging, we want this script to signal all exceptions from the
+ * injectee.
  */
 try {
     if (window.haketilo_selenium_exception !== false)
-- 
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