Noissue - Add tests for formmail handler

sitescripts/formmail/test/test_formmail.py

Index: sitescripts/formmail/test/test_formmail.py
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+# This file is part of the Adblock Plus web scripts,
+# Copyright (C) 2006-2016 Eyeo GmbH
+#
+# Adblock Plus is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License version 3 as
+# published by the Free Software Foundation.
+#
+# Adblock Plus is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with Adblock Plus.  If not, see <http://www.gnu.org/licenses/>.
+
+from urllib import urlencode
+from urllib2 import urlopen
+
+import pytest
+from wsgi_intercept import (urllib_intercept, add_wsgi_intercept,
+                            remove_wsgi_intercept)
+
+from sitescripts.formmail.web.formmail import handleRequest
+
+
+# We make this a fixture instead of a constant so we can modify it in each
+# test as needed without affecting other tests.
+@pytest.fixture
+def form_data():
+    return {
+        'name': 'John Doe',
+        'email': 'john_doe@gmail.com',
+        'subject': 'Hello there!',
+        'message': 'Once upon a time\nthere lived a king.'
+    }
+
+
+@pytest.fixture()
+def response_for():
+    host, port = 'test.local', 80
+    urllib_intercept.install_opener()
+    add_wsgi_intercept(host, port, lambda: handleRequest)
+    url = 'http://{}:{}'.format(host, port)
+
+    def response_for(data):
+        if data is None:
+            response = urlopen(url)
+        else:
+            response = urlopen(url, urlencode(data))
+        assert response.getcode() == 200
+        return response.read()
+
+    yield response_for
+    remove_wsgi_intercept()
+
+
+def test_get_error(response_for):
+    assert response_for(None) == 'Unsupported request method'
+
+
+def test_no_name(response_for, form_data):
+    del form_data['name']
+    assert response_for(form_data) == 'No name entered'
+
+
+def test_no_email(response_for, form_data):
+    del form_data['email']
+    assert response_for(form_data) == 'No email address entered'
+
+
+def test_no_subject(response_for, form_data):
+    del form_data['subject']
+    assert response_for(form_data) == 'No subject entered'
+
+
+def test_no_message(response_for, form_data):
+    del form_data['message']
+    assert response_for(form_data) == 'No message entered'
+
+
+def test_bad_email(response_for, form_data):
+    form_data['email'] = 'bad_email'
+    assert response_for(form_data) == 'Invalid email address'
+
+
+def test_success(response_for, form_data, mocker):
+    sm_mock = mocker.patch('sitescripts.formmail.web.formmail.sendMail')
+    assert response_for(form_data) == 'Message sent'
+    assert sm_mock.call_count == 1
+    params = sm_mock.call_args[0][1]
+    assert set(params.keys()) == set(form_data.keys()) | {'time'}
+    for key, value in form_data.items():
+        assert params[key] == value