new file mode 100644
--- /dev/null
+++ b/testing/web-platform/tests/webdriver/tests/retrieval/find_element.py
@@ -0,0 +1,59 @@
+import pytest
+
+
+from tests.support.asserts import assert_error, assert_success
+from tests.support.inline import inline
+
+
+def find_element(session, using, value):
+ return session.transport.send("POST",
+ "session/%s/element" % session.session_id,
+ {"using": using, "value": value})
+
+
+# 12.2 Find Element
+
+@pytest.mark.parametrize("using", ["a", True, None, 1, [], {}])
+def test_invalid_using_argument(session, using):
+ # Step 1 - 2
+ response = find_element(session, using, "value")
+ assert_error(response, "invalid argument")
+
+
+@pytest.mark.parametrize("value", [None, [], {}])
+def test_invalid_selector_argument(session, value):
+ # Step 3 - 4
+ response = find_element(session, "css selector", value)
+ assert_error(response, "invalid argument")
+
+
+def test_closed_context(session, create_window):
+ # Step 5
+ new_window = create_window()
+ session.window_handle = new_window
+ session.close()
+
+ response = find_element(session, "css selector", "foo")
+
+ assert_error(response, "no such window")
+
+
+@pytest.mark.parametrize("using,value",
+ [("css selector", "#linkText"),
+ ("link text", "full link text"),
+ ("partial link text", "link text"),
+ ("tag name", "a"),
+ ("xpath", "//a")])
+def test_find_element(session, using, value):
+ # Step 8 - 9
+ session.url = inline("<a href=# id=linkText>full link text</a>")
+
+ response = find_element(session, using, value)
+ assert_success(response)
+
+
+@pytest.mark.parametrize("using,value", [("css selector", "#wontExist")])
+def test_no_element(session, using, value):
+ # Step 8 - 9
+ response = find_element(session, using, value)
+ assert_error(response, "no such element")