Add basic SNS support.

tests/test_sns/test_topics.py

@@ -0,0 +1,54 @@
+import boto
+
+import sure  # noqa
+
+from moto import mock_sns
+from moto.sns.models import DEFAULT_TOPIC_POLICY, DEFAULT_EFFECTIVE_DELIVERY_POLICY
+
+
+@mock_sns
+def test_create_and_delete_topic():
+    conn = boto.connect_sns()
+    conn.create_topic("some-topic")
+
+    topics_json = conn.get_all_topics()
+    topics = topics_json["ListTopicsResponse"]["ListTopicsResult"]["Topics"]
+    topics.should.have.length_of(1)
+    topics[0]['TopicArn'].should.equal("arn:aws:sns:us-east-1:123456789012:some-topic")
+
+    # Delete the topic
+    conn.delete_topic(topics[0]['TopicArn'])
+
+    # And there should now be 0 topics
+    topics_json = conn.get_all_topics()
+    topics = topics_json["ListTopicsResponse"]["ListTopicsResult"]["Topics"]
+    topics.should.have.length_of(0)
+
+
+@mock_sns
+def test_topic_attributes():
+    conn = boto.connect_sns()
+    conn.create_topic("some-topic")
+
+    topics_json = conn.get_all_topics()
+    topic_arn = topics_json["ListTopicsResponse"]["ListTopicsResult"]["Topics"][0]['TopicArn']
+
+    attributes = conn.get_topic_attributes(topic_arn)['GetTopicAttributesResponse']['GetTopicAttributesResult']['Attributes']
+    attributes["TopicArn"].should.equal("arn:aws:sns:us-east-1:123456789012:some-topic")
+    attributes["Owner"].should.equal(123456789012)
+    attributes["Policy"].should.equal(DEFAULT_TOPIC_POLICY)
+    attributes["DisplayName"].should.equal("")
+    attributes["SubscriptionsPending"].should.equal(0)
+    attributes["SubscriptionsConfirmed"].should.equal(0)
+    attributes["SubscriptionsDeleted"].should.equal(0)
+    attributes["DeliveryPolicy"].should.equal("")
+    attributes["EffectiveDeliveryPolicy"].should.equal(DEFAULT_EFFECTIVE_DELIVERY_POLICY)
+
+    conn.set_topic_attributes(topic_arn, "Policy", {"foo": "bar"})
+    conn.set_topic_attributes(topic_arn, "DisplayName", "My display name")
+    conn.set_topic_attributes(topic_arn, "DeliveryPolicy", {"http": {"defaultHealthyRetryPolicy": {"numRetries": 5}}})
+
+    attributes = conn.get_topic_attributes(topic_arn)['GetTopicAttributesResponse']['GetTopicAttributesResult']['Attributes']
+    attributes["Policy"].should.equal("{'foo': 'bar'}")
+    attributes["DisplayName"].should.equal("My display name")
+    attributes["DeliveryPolicy"].should.equal("{'http': {'defaultHealthyRetryPolicy': {'numRetries': 5}}}")