facilitate testing extension's HTML files

1 files changed, 23 insertions, 0 deletions

diff --git a/test/unit/test_basic.py b/test/unit/test_basic.py
index 2564e9d..612fe06 100644
--- a/test/unit/test_basic.py
+++ b/test/unit/test_basic.py
@@ -20,6 +20,7 @@ Haketilo unit tests - base
 import pytest
 
 from ..script_loader import load_script
+from ..extension_crafting import ExtraHTML
 
 def test_driver(driver):
     """
@@ -55,3 +56,25 @@ def test_webextension(driver):
         'return document.getElementsByTagName("h1")[0].innerText;'
     )
     assert "Extension's options page for testing" in heading
+
+@pytest.mark.ext_data({
+    'extra_html': [
+        ExtraHTML(
+            'html/default_blocking_policy.html',
+            {
+                'html/default_blocking_policy.js':
+                'document.body.innerHTML = `ski-ba-bop-ba ${typeof by_id}`;'
+            }
+        )
+    ]
+})
+@pytest.mark.usefixtures('webextension')
+def test_extra_html(driver):
+    """
+    A trivial test case of the facility for loading the Haketilo's HTML files
+    into test WebExtension for unit-testing.
+    """
+    driver.get(driver.execute_script('return window.location.href;')
+               .replace('testpage.html', 'html/default_blocking_policy.html'))
+    assert driver.execute_script('return document.body.innerText') == \
+        'ski-ba-bop-ba function'