vivaticket: add func tests (#29890)

functests/vivaticket/README

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+Functional tests for the passerelle Vivaticket connector
+
+Description
+===========
+
+This test suite will use the web API of a passerelle Vivaticket connector
+to list available events, rooms, theme and create a booking.
+
+
+Usage
+=====
+
+You will need a running passerelle instance, with a Vivaticket connector instance configured.
+Suppose that the Vivaticket connector instance is listening here :
+
+    http://127.0.0.1:8000/vivaticket/test
+
+Then you would start the test suite with the following command:
+
+    $ py.test -s --url=http://127.0.0.1:8000/vivaticket/test test_vivaticket.py

functests/vivaticket/conftest.py

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+import pytest
+
+
+def pytest_addoption(parser):
+    parser.addoption(
+        "--url", help="Url of a passerelle Vivaticket connector instance")
+
+
+@pytest.fixture(scope='session')
+def conn(request):
+    return request.config.getoption("--url")

functests/vivaticket/test_vivaticket.py

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+import pprint
+import datetime
+import requests
+import random
+
+def call_generic(conn, endpoint):
+    print("%s \n" % endpoint)
+    url = conn + '/%s' % endpoint
+    resp = requests.get(url)
+    resp.raise_for_status()
+    res = resp.json()
+    assert res['err'] == 0
+    data = res['data']
+    print('%s \n' % endpoint)
+    pprint.pprint(data)
+    print('\n')
+    return data
+
+
+def test_get_events(conn):
+    call_generic(conn, 'events')
+
+def test_get_rooms(conn):
+    call_generic(conn, 'rooms')
+
+def test_get_themes(conn):
+    call_generic(conn, 'themes')
+
+def test_book_event(conn):
+    url = conn + '/book'
+    payload = {'id': 'formid', 'email': 'foo@example.com',
+               'datetime': datetime.datetime.now().strftime('%Y-%m-%dT%H:%M'),
+               'room': '001', 'theme': 'A0001', 'quantity': 1
+    }
+    events = call_generic(conn, 'events')
+    random.shuffle(events)
+    payload['event'] = events[0]['id']
+    rooms = call_generic(conn, 'rooms')
+    random.shuffle(rooms)
+    payload['room'] = rooms[0]['id']
+    themes = call_generic(conn, 'themes')
+    random.shuffle(themes)
+    payload['theme'] = themes[0]['id']
+    print "Creating booking with the following payload:\n%s" %  payload
+    resp = requests.post(url, json=payload)
+    resp.raise_for_status()
+    res = resp.json()
+    assert res['err'] == 0
+    data = res['data']
+    pprint.pprint(data)
+    print('\n')