tests for send_sms through mmg/firetext

tests/app/clients/test_mmg.py

@@ -1,4 +1,7 @@
-from app.clients.sms.mmg import get_mmg_responses
+import pytest
+import requests_mock
+
+from app.clients.sms.mmg import (get_mmg_responses, MMGClientException)
 
 
 def test_should_return_correct_details_for_delivery():
@@ -23,3 +26,54 @@ def test_should_be_none_if_unrecognised_status_code():
     assert response_dict['notification_status'] == 'failed'
     assert response_dict['notification_statistics_status'] == 'failure'
     assert not response_dict['success']
+
+
+def test_send_sms_successful_returns_mmg_response(mocker, mock_mmg_client):
+    to = content = reference = 'foo'
+    response_dict = {'Reference': 12345678}
+
+    with requests_mock.Mocker() as request_mock:
+        request_mock.post('https://www.mmgrp.co.uk/API/json/api.php', json=response_dict, status_code=200)
+        response = mock_mmg_client.send_sms(to, content, reference)
+
+    response_json = response.json()
+    assert response.status_code == 200
+    assert response_json['Reference'] == 12345678
+
+
+def test_send_sms_calls_mmg_correctly(mocker, mock_mmg_client):
+    to = '+447234567890'
+    content = 'my message'
+    reference = 'my reference'
+    response_dict = {'Reference': 12345678}
+
+    with requests_mock.Mocker() as request_mock:
+        request_mock.post('https://www.mmgrp.co.uk/API/json/api.php', json=response_dict, status_code=200)
+        mock_mmg_client.send_sms(to, content, reference)
+
+    assert request_mock.call_count == 1
+    assert request_mock.request_history[0].url == 'https://www.mmgrp.co.uk/API/json/api.php'
+    assert request_mock.request_history[0].method == 'POST'
+
+    request_args = request_mock.request_history[0].json()
+    assert request_args['reqType'] == 'BULK'
+    assert request_args['MSISDN'] == to
+    assert request_args['msg'] == content
+    assert request_args['sender'] == 'bar'
+    assert request_args['cid'] == reference
+    assert request_args['multi'] is True
+
+
+def test_send_sms_raises_if_mmg_rejects(mocker, mock_mmg_client):
+    to = content = reference = 'foo'
+    response_dict = {
+        'Error': 206,
+        'Description': 'Some kind of error'
+    }
+
+    with pytest.raises(MMGClientException) as exc, requests_mock.Mocker() as request_mock:
+        request_mock.post('https://www.mmgrp.co.uk/API/json/api.php', json=response_dict, status_code=400)
+        mock_mmg_client.send_sms(to, content, reference)
+
+    assert exc.value.code == 206
+    assert exc.value.description == 'Some kind of error'