Add, init and config performance platform client to prepare/upload daily notification stats

tests/app/clients/test_performance_platform.py

@@ -0,0 +1,71 @@
+import requests_mock
+import pytest
+
+from app.clients.performance_platform.performance_platform_client import PerformancePlatformClient
+
+
+@pytest.fixture(scope='function')
+def client(mocker):
+    client = PerformancePlatformClient()
+    current_app = mocker.Mock(config={
+        'PERFORMANCE_PLATFORM_ENABLED': True,
+        'PERFORMANCE_PLATFORM_URL': 'performance-platform-url',
+        'PERFORMANCE_PLATFORM_TOKEN': 'token'
+    })
+    client.init_app(current_app)
+    return client
+
+
+def test_should_not_call_if_not_enabled(notify_api, client, mocker):
+    mocker.patch.object(client, '_send_stats_to_performance_platform')
+    client.active = False
+    client.send_performance_stats(
+        date='2016-10-16T00:00:00+00:00',
+        channel='sms',
+        count=142,
+        period='day'
+    )
+
+    client._send_stats_to_performance_platform.assert_not_called()
+
+
+def test_should_call_if_enabled(notify_api, client, mocker):
+    mocker.patch.object(client, '_send_stats_to_performance_platform')
+    client.send_performance_stats(
+        date='2016-10-16T00:00:00+00:00',
+        channel='sms',
+        count=142,
+        period='day'
+    )
+
+    assert client._send_stats_to_performance_platform.call_count == 1
+
+
+def test_send_platform_stats_creates_correct_call(notify_api, client):
+    with requests_mock.Mocker() as request_mock:
+        request_mock.post(
+            client.performance_platform_url,
+            json={},
+            status_code=200
+        )
+        client.send_performance_stats(
+            date='2016-10-16T00:00:00+00:00',
+            channel='sms',
+            count=142,
+            period='day'
+        )
+
+    assert request_mock.call_count == 1
+
+    assert request_mock.request_history[0].url == client.performance_platform_url
+    assert request_mock.request_history[0].method == 'POST'
+
+    request_args = request_mock.request_history[0].json()
+    assert request_args['dataType'] == 'notifications'
+    assert request_args['service'] == 'govuk-notify'
+    assert request_args['period'] == 'day'
+    assert request_args['channel'] == 'sms'
+    assert request_args['_timestamp'] == '2016-10-16T00:00:00+00:00'
+    assert request_args['count'] == 142
+    expected_base64_id = 'MjAxNi0xMC0xNlQwMDowMDowMCswMDowMGdvdnVrLW5vdGlmeXNtc25vdGlmaWNhdGlvbnNkYXk='
+    assert request_args['_id'] == expected_base64_id