add stepthrough test for request form

tests/test_integration.py

@@ -0,0 +1,46 @@
+import pytest
+import tornado
+from tests.mocks import MOCK_USER
+from atst.handlers.request_new import JEDIRequestFlow
+
+SCREENS = JEDIRequestFlow(None, None, 3).screens
+
+
+@pytest.mark.gen_test
+def test_stepthrough_request_form(monkeypatch, http_client, base_url):
+    monkeypatch.setattr(
+        "atst.handlers.request_new.RequestNew.get_current_user", lambda s: MOCK_USER
+    )
+    monkeypatch.setattr(
+        "atst.handlers.request_new.RequestNew.check_xsrf_cookie", lambda s: True
+    )
+    monkeypatch.setattr(
+        "atst.handlers.request_new.JEDIRequestFlow.validate", lambda s: True
+    )
+
+    @tornado.gen.coroutine
+    def take_a_step(inc, req=None):
+        req_url = base_url + "/requests/new/{}".format(inc)
+        if req:
+            req_url += "/" + req
+        response = yield http_client.fetch(
+            req_url,
+            method="POST",
+            headers={"Content-Type": "application/x-www-form-urlencoded"},
+            body="meaning=42",
+        )
+        return response
+
+    # GET the initial form
+    response = yield http_client.fetch(base_url + "/requests/new", method="GET")
+    assert SCREENS[0]["title"] in response.body.decode()
+
+    # POST to each of the form pages up until review and submit
+    req_id = None
+    for i in range(1, len(SCREENS)):
+        resp = yield take_a_step(i, req=req_id)
+        req_id = resp.effective_url.split("/")[-1]
+        screen_title = SCREENS[i]["title"].replace("&", "&")
+
+        assert "/requests/new/{}/{}".format(i + 1, req_id) in resp.effective_url
+        assert screen_title in resp.body.decode()