Enabled travis-CI ad added some initial tests

Author: stevemac007

.travis.yml

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+language: python
+python:
+  - "2.6"
+  - "2.7"
+  - "3.2"
+  - "3.3"
+  - "3.4"
+  - "3.5"
+  - "3.5-dev" # 3.5 development branch
+  - "3.6"
+  - "3.6-dev" # 3.6 development branch
+  - "3.7-dev" # 3.7 development branch
+  - "nightly" # currently points to 3.7-dev
+# command to install dependencies
+install: 
+  - "pip install -r requirements.txt"
+  - "pip install -r development.txt"
+env:
+  - PYTHONPATH=backuplambda
+# command to run tests
+script: nose

development.txt

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+appdirs==1.4.0
+boto==2.45.0
+boto3==1.4.4
+botocore==1.5.7
+coverage==4.3.4
+docutils==0.13.1
+futures==3.0.5
+httpretty==0.8.10
+Jinja2==2.9.5
+jmespath==0.9.1
+MarkupSafe==0.23
+moto==0.4.31
+nose==1.3.7
+packaging==16.8
+pyparsing==2.1.10
+python-dateutil==2.6.0
+pytz==2016.10
+requests==2.13.0
+s3transfer==0.1.10
+six==1.10.0
+Werkzeug==0.11.15
+xmltodict==0.10.2

tests/tests.py

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+import unittest
+import boto
+import boto3
+
+from moto import mock_ec2, mock_sns
+from backuplambda import *
+
+
+def add_servers(ami_id, count):
+    conn = boto.connect_ec2('the_key', 'the_secret')
+    for index in range(count):
+        instance = conn.run_instances(ami_id)
+        instance.instances[0].add_tag('Snapshot', 'True')
+
+
+def add_volume(tag_name, tag_value, region_name):
+
+    ec2_boto = boto3.client('ec2', region_name=region_name)
+
+    ec2_boto.create_volume(Size=200, AvailabilityZone=region_name+"a")
+
+    vols = ec2_boto.describe_volumes()
+
+    resource_id = vols["Volumes"][0]["VolumeId"]
+    ec2_boto.create_tags(Resources=[resource_id],
+                         Tags=[{"Key": tag_name, "Value": tag_value}])
+
+
+class EC2BackupManagerTest(unittest.TestCase):
+
+    @mock_ec2
+    def test_init(self):
+        add_volume("Snapshot", "True", "ap-southeast-1")
+        add_volume("Name", "Anotherone", "ap-southeast-1")
+
+        mgr = EC2BackupManager(ec2_region_name="ap-southeast-1",
+                               period="day",
+                               tag_name="Snapshot",
+                               tag_value="True",
+                               date_suffix="dd",
+                               keep_count="2")
+
+        volumes = mgr.get_backable_resources()
+
+        assert len(volumes) == 1
+
+
+class LambdaHandlerTest(unittest.TestCase):
+
+    @mock_ec2
+    @mock_sns
+    def test_ec2_one_volume(self):
+
+        region_name = "ap-southeast-2"
+
+        add_volume("MakeSnapshot", "True", region_name)
+        add_volume("Name", "Anotherone", region_name)
+
+        sns_boto = boto3.client('sns', region_name=region_name)
+
+        response = sns_boto.create_topic(Name="datopic")
+        arn = response["TopicArn"]
+
+        event = {
+            "period_label": "day",
+            "period_format": "%a%H",
+
+            "ec2_region_name": region_name,
+            # "rds_region_name": region_name,
+
+            "tag_name": "MakeSnapshot",
+            "tag_value": "True",
+
+            "arn": arn,
+
+            "keep_count": 12
+        }
+
+        result = lambda_handler(event)
+
+        print result