Add PushNotifications class with constructor validation

Author: jonathanlloyd

pusher_push_notifications/__init__.py

@@ -0,0 +1,15 @@
+"""Pusher Push Notifications Python server SDK"""
+
+import six
+
+
+class PushNotifications(object):
+    """Pusher Push Notifications API client
+    This client class can be used to publish notifications to the Pusher
+    Push Notifications service"""
+
+    def __init__(self, instance_id, secret_key):
+        if not isinstance(instance_id, six.string_types):
+            raise TypeError('instance_id must be a string')
+        if not isinstance(secret_key, six.string_types):
+            raise TypeError('secret_key must be a string')

requirements.txt

@@ -0,0 +1 @@
+six==1.10.0

tests/test_example.py

@@ -0,0 +1,27 @@
+"""Unit tests for Pusher Push Notifications Python server SDK"""
+
+import unittest
+
+from pusher_push_notifications import PushNotifications
+
+
+class TestPushNotifications(unittest.TestCase):
+    def test_constructor_should_accept_valid_params(self):
+        PushNotifications(
+            instance_id='1234',
+            secret_key='1234',
+        )
+
+    def test_constructor_should_fail_if_instance_id_not_string(self):
+        with self.assertRaises(TypeError):
+            PushNotifications(
+                instance_id=False,
+                secret_key='1234',
+            )
+
+    def test_constructor_should_fail_if_secret_key_not_string(self):
+        with self.assertRaises(TypeError):
+            PushNotifications(
+                instance_id='1234',
+                secret_key=False,
+            )