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tests.py
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tests.py
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from __future__ import with_statement
from boto.ec2.instance import Instance
from unittest import TestCase
from mock import MagicMock, patch
import re
import sys
import ec2
class InstancesTestCase(TestCase):
def _patch_connection(self):
return patch('ec2.instances._connect', return_value=self.connection)
def setUp(self):
ec2.credentials.ACCESS_KEY_ID = 'abc'
ec2.credentials.SECRET_ACCESS_KEY = 'xyz'
# Build up two reservations, with two instances each, totalling 4 instances
# Two running, two stopped
reservations = []
instance_count = 0
for i in xrange(2):
i1 = Instance()
i1.id = 'i-abc%d' % instance_count
i1.state = 'running'
i1.tags = {'Name': 'instance-%d' % instance_count}
instance_count += 1
i2 = Instance()
i2.id = 'i-abc%d' % instance_count
i2.state = 'stopped'
i2.tags = {'Name': 'instance-%d' % instance_count}
instance_count += 1
reservation = MagicMock()
reservation.instances.__iter__ = MagicMock(return_value=iter([i1, i2]))
reservations.append(reservation)
self.connection = MagicMock()
self.connection.get_all_instances = MagicMock(return_value=reservations)
def tearDown(self):
ec2.credentials.ACCESS_KEY_ID = None
ec2.credentials.SECRET_ACCESS_KEY = None
ec2.credentials.REGION_NAME = 'us-east-1'
def test_credentials(self):
self.assertEquals(dict(**ec2.credentials()), {'aws_access_key_id': 'abc', 'aws_secret_access_key': 'xyz', 'region_name': 'us-east-1'})
def test_connect(self):
with patch('boto.ec2.connect_to_region') as mock:
ec2.instances._connect()
mock.assert_called_once_with(aws_access_key_id='abc', aws_secret_access_key='xyz', region_name='us-east-1')
def test_all(self):
"instances.all() should iterate over all reservations and collect all instances, then cache the results"
with self._patch_connection() as mock:
instances = ec2.instances.all()
self.assertEquals(4, len(instances))
# all() should cache the connection and list of instances
# so when calling a second time, _connect() shouldn't
# be called
ec2.instances.all()
mock.assert_called_once() # Should only be called once from the initial _connect
def test_filters_integration(self):
with self._patch_connection():
instances = ec2.instances.filter(state='crap')
self.assertEquals(0, len(instances))
instances = ec2.instances.filter(state='running')
self.assertEquals(2, len(instances))
self.assertEquals('running', instances[0].state)
self.assertEquals('running', instances[1].state)
instances = ec2.instances.filter(state='stopped')
self.assertEquals(2, len(instances))
self.assertEquals('stopped', instances[0].state)
self.assertEquals('stopped', instances[1].state)
instances = ec2.instances.filter(id__exact='i-abc0')
self.assertEquals(1, len(instances))
instances = ec2.instances.filter(id__iexact='I-ABC0')
self.assertEquals(1, len(instances))
instances = ec2.instances.filter(id__like=r'^i\-abc\d$')
self.assertEquals(4, len(instances))
instances = ec2.instances.filter(id__ilike=r'^I\-ABC\d$')
self.assertEquals(4, len(instances))
instances = ec2.instances.filter(id__contains='1')
self.assertEquals(1, len(instances))
instances = ec2.instances.filter(id__icontains='ABC')
self.assertEquals(4, len(instances))
instances = ec2.instances.filter(id__startswith='i-')
self.assertEquals(4, len(instances))
instances = ec2.instances.filter(id__istartswith='I-')
self.assertEquals(4, len(instances))
instances = ec2.instances.filter(id__endswith='c0')
self.assertEquals(1, len(instances))
instances = ec2.instances.filter(id__iendswith='C0')
self.assertEquals(1, len(instances))
instances = ec2.instances.filter(id__startswith='i-', name__endswith='-0')
self.assertEquals(1, len(instances))
class ComparisonTests(TestCase):
def setUp(self):
self.instance = Instance()
self.instance.state = 'running'
self.instance.id = 'i-abc'
self.instance.tags = {'Name': 'awesome'}
def test_comp(self):
i = self.instance
self.assertRaises(AttributeError, ec2._comp, 'state__nope', 'running', i)
with patch('ec2._Compare.exact') as mock:
ec2._comp('state', 'running', i)
mock.assert_called_once_with('state', 'running', i)
with patch('ec2._Compare.exact') as mock:
ec2._comp('state__exact', 'running', i)
mock.assert_called_once_with('state', 'running', i)
with patch('ec2._Compare.iexact') as mock:
ec2._comp('state__iexact', 'running', i)
mock.assert_called_once_with('state', 'running', i)
with patch('ec2._Compare.like') as mock:
ec2._comp('state__like', 'running', i)
mock.assert_called_once_with('state', 'running', i)
with patch('ec2._Compare.regex') as mock:
ec2._comp('state__regex', 'running', i)
mock.assert_called_once_with('state', 'running', i)
with patch('ec2._Compare.ilike') as mock:
ec2._comp('state__ilike', 'running', i)
mock.assert_called_once_with('state', 'running', i)
with patch('ec2._Compare.iregex') as mock:
ec2._comp('state__iregex', 'running', i)
mock.assert_called_once_with('state', 'running', i)
with patch('ec2._Compare.contains') as mock:
ec2._comp('state__contains', 'running', i)
mock.assert_called_once_with('state', 'running', i)
with patch('ec2._Compare.icontains') as mock:
ec2._comp('state__icontains', 'running', i)
mock.assert_called_once_with('state', 'running', i)
with patch('ec2._Compare.startswith') as mock:
ec2._comp('state__startswith', 'running', i)
mock.assert_called_once_with('state', 'running', i)
with patch('ec2._Compare.istartswith') as mock:
ec2._comp('state__istartswith', 'running', i)
mock.assert_called_once_with('state', 'running', i)
with patch('ec2._Compare.endswith') as mock:
ec2._comp('state__endswith', 'running', i)
mock.assert_called_once_with('state', 'running', i)
with patch('ec2._Compare.iendswith') as mock:
ec2._comp('state__iendswith', 'running', i)
mock.assert_called_once_with('state', 'running', i)
def test_exact(self):
i = self.instance
self.assertTrue(ec2._Compare.exact('state', 'running', i))
self.assertFalse(ec2._Compare.exact('state', 'notrunning', i))
self.assertTrue(ec2._Compare.exact('name', 'awesome', i))
self.assertFalse(ec2._Compare.exact('name', 'notawesome', i))
def test_iexact(self):
i = self.instance
self.assertTrue(ec2._Compare.iexact('state', 'RUNNING', i))
self.assertFalse(ec2._Compare.iexact('state', 'NOTRUNNING', i))
self.assertTrue(ec2._Compare.iexact('name', 'AWESOME', i))
self.assertFalse(ec2._Compare.iexact('name', 'NOTAWESOME', i))
def test_like(self):
i = self.instance
self.assertTrue(ec2._Compare.like('state', r'^r.+g$', i))
self.assertTrue(ec2._Compare.like('state', re.compile(r'^r.+g$'), i))
self.assertFalse(ec2._Compare.like('state', r'^n.+g$', i))
self.assertFalse(ec2._Compare.like('state', re.compile(r'^n.+g$'), i))
self.assertTrue(ec2._Compare.like('name', r'^a.+e$', i))
self.assertTrue(ec2._Compare.like('name', re.compile(r'^a.+e$'), i))
self.assertFalse(ec2._Compare.like('name', r'^n.+e$', i))
self.assertFalse(ec2._Compare.like('name', re.compile(r'^n.+e$'), i))
def test_regex(self):
i = self.instance
self.assertTrue(ec2._Compare.regex('state', r'^r.+g$', i))
self.assertTrue(ec2._Compare.regex('state', re.compile(r'^r.+g$'), i))
self.assertFalse(ec2._Compare.regex('state', r'^n.+g$', i))
self.assertFalse(ec2._Compare.regex('state', re.compile(r'^n.+g$'), i))
self.assertTrue(ec2._Compare.regex('name', r'^a.+e$', i))
self.assertTrue(ec2._Compare.regex('name', re.compile(r'^a.+e$'), i))
self.assertFalse(ec2._Compare.regex('name', r'^n.+e$', i))
self.assertFalse(ec2._Compare.regex('name', re.compile(r'^n.+e$'), i))
def test_ilike(self):
i = self.instance
self.assertTrue(ec2._Compare.ilike('state', r'^R.+G$', i))
self.assertFalse(ec2._Compare.ilike('state', r'^N.+G$', i))
self.assertTrue(ec2._Compare.ilike('name', r'^A.+E$', i))
self.assertFalse(ec2._Compare.ilike('name', r'^N.+E$', i))
def test_iregex(self):
i = self.instance
self.assertTrue(ec2._Compare.iregex('state', r'^R.+G$', i))
self.assertFalse(ec2._Compare.iregex('state', r'^N.+G$', i))
self.assertTrue(ec2._Compare.iregex('name', r'^A.+E$', i))
self.assertFalse(ec2._Compare.iregex('name', r'^N.+E$', i))
def test_contains(self):
i = self.instance
self.assertTrue(ec2._Compare.contains('state', 'unn', i))
self.assertFalse(ec2._Compare.contains('state', 'notunn', i))
self.assertTrue(ec2._Compare.contains('name', 'wes', i))
self.assertFalse(ec2._Compare.contains('name', 'notwes', i))
def test_icontains(self):
i = self.instance
self.assertTrue(ec2._Compare.icontains('state', 'UNN', i))
self.assertFalse(ec2._Compare.icontains('state', 'NOTUNN', i))
self.assertTrue(ec2._Compare.icontains('name', 'WES', i))
self.assertFalse(ec2._Compare.icontains('name', 'NOTWES', i))
def test_startswith(self):
i = self.instance
self.assertTrue(ec2._Compare.startswith('state', 'run', i))
self.assertFalse(ec2._Compare.startswith('state', 'notrun', i))
self.assertTrue(ec2._Compare.startswith('name', 'awe', i))
self.assertFalse(ec2._Compare.startswith('name', 'notawe', i))
def test_istartswith(self):
i = self.instance
self.assertTrue(ec2._Compare.istartswith('state', 'RUN', i))
self.assertFalse(ec2._Compare.istartswith('state', 'NOTRUN', i))
self.assertTrue(ec2._Compare.istartswith('name', 'AWE', i))
self.assertFalse(ec2._Compare.istartswith('name', 'NOTAWE', i))
def test_endswith(self):
i = self.instance
self.assertTrue(ec2._Compare.endswith('state', 'ing', i))
self.assertFalse(ec2._Compare.endswith('state', 'noting', i))
self.assertTrue(ec2._Compare.endswith('name', 'some', i))
self.assertFalse(ec2._Compare.endswith('name', 'notsome', i))
def test_iendswith(self):
i = self.instance
self.assertTrue(ec2._Compare.iendswith('state', 'ING', i))
self.assertFalse(ec2._Compare.iendswith('state', 'NOTING', i))
self.assertTrue(ec2._Compare.iendswith('name', 'SOME', i))
self.assertFalse(ec2._Compare.iendswith('name', 'NOTSOME', i))