1 files changed, 33 insertions, 0 deletions
diff --git a/testing/web-platform/tests/webdriver/actions/support/refine.py b/testing/web-platform/tests/webdriver/actions/support/refine.py
new file mode 100644
index 000000000..3a6d63e04
--- /dev/null
+++ b/testing/web-platform/tests/webdriver/actions/support/refine.py
@@ -0,0 +1,33 @@
+def get_events(session):
+    """Return list of key events recorded in the test_keys_page fixture."""
+    events = session.execute_script("return allEvents.events;") or []
+    # `key` values in `allEvents` may be escaped (see `escapeSurrogateHalf` in
+    # test_keys_wdspec.html), so this converts them back into unicode literals.
+    for e in events:
+        # example: turn "U+d83d" (6 chars) into u"\ud83d" (1 char)
+        if "key" in e and e["key"].startswith(u"U+"):
+            key = e["key"]
+            hex_suffix = key[key.index("+") + 1:]
+            e["key"] = unichr(int(hex_suffix, 16))
+    return events
+
+
+def get_keys(input_el):
+    """Get printable characters entered into `input_el`.
+
+    :param input_el: HTML input element.
+    """
+    rv = input_el.property("value")
+    if rv is None:
+        return ""
+    else:
+        return rv
+
+
+def filter_dict(source, d):
+    """Filter `source` dict to only contain same keys as `d` dict.
+
+    :param source: dictionary to filter.
+    :param d: dictionary whose keys determine the filtering.
+    """
+    return {k: source[k] for k in d.keys()}