moto/tests/test_ec2/test_elastic_block_store.py

119 lines
3.7 KiB
Python

import boto
from boto.exception import EC2ResponseError
import sure # noqa
from nose.tools import assert_raises
from moto import mock_ec2
from moto.ec2.models import ec2_backend
@mock_ec2
def test_create_and_delete_volume():
conn = boto.connect_ec2('the_key', 'the_secret')
volume = conn.create_volume(80, "us-east-1a")
all_volumes = conn.get_all_volumes()
all_volumes.should.have.length_of(1)
all_volumes[0].size.should.equal(80)
all_volumes[0].zone.should.equal("us-east-1a")
volume = all_volumes[0]
volume.delete()
conn.get_all_volumes().should.have.length_of(0)
# Deleting something that was already deleted should throw an error
with assert_raises(EC2ResponseError) as cm:
volume.delete()
cm.exception.code.should.equal('InvalidVolume.NotFound')
cm.exception.status.should.equal(400)
cm.exception.request_id.should_not.be.none
@mock_ec2
def test_volume_attach_and_detach():
conn = boto.connect_ec2('the_key', 'the_secret')
reservation = conn.run_instances('ami-1234abcd')
instance = reservation.instances[0]
volume = conn.create_volume(80, "us-east-1a")
volume.update()
volume.volume_state().should.equal('available')
volume.attach(instance.id, "/dev/sdh")
volume.update()
volume.volume_state().should.equal('in-use')
volume.attach_data.instance_id.should.equal(instance.id)
volume.detach()
volume.update()
volume.volume_state().should.equal('available')
with assert_raises(EC2ResponseError) as cm1:
volume.attach('i-1234abcd', "/dev/sdh")
cm1.exception.code.should.equal('InvalidInstanceID.NotFound')
cm1.exception.status.should.equal(400)
cm1.exception.request_id.should_not.be.none
with assert_raises(EC2ResponseError) as cm2:
conn.detach_volume(volume.id, instance.id, "/dev/sdh")
cm2.exception.code.should.equal('InvalidAttachment.NotFound')
cm2.exception.status.should.equal(400)
cm2.exception.request_id.should_not.be.none
with assert_raises(EC2ResponseError) as cm3:
conn.detach_volume(volume.id, 'i-1234abcd', "/dev/sdh")
cm3.exception.code.should.equal('InvalidInstanceID.NotFound')
cm3.exception.status.should.equal(400)
cm3.exception.request_id.should_not.be.none
@mock_ec2
def test_create_snapshot():
conn = boto.connect_ec2('the_key', 'the_secret')
volume = conn.create_volume(80, "us-east-1a")
volume.create_snapshot('a test snapshot')
snapshots = conn.get_all_snapshots()
snapshots.should.have.length_of(1)
snapshots[0].description.should.equal('a test snapshot')
# Create snapshot without description
snapshot = volume.create_snapshot()
conn.get_all_snapshots().should.have.length_of(2)
snapshot.delete()
conn.get_all_snapshots().should.have.length_of(1)
# Deleting something that was already deleted should throw an error
with assert_raises(EC2ResponseError) as cm:
snapshot.delete()
cm.exception.code.should.equal('InvalidSnapshot.NotFound')
cm.exception.status.should.equal(400)
cm.exception.request_id.should_not.be.none
@mock_ec2
def test_modify_attribute_blockDeviceMapping():
"""
Reproduces the missing feature explained at [0], where we want to mock a
call to modify an instance attribute of type: blockDeviceMapping.
[0] https://github.com/spulec/moto/issues/160
"""
conn = boto.connect_ec2('the_key', 'the_secret')
reservation = conn.run_instances('ami-1234abcd')
instance = reservation.instances[0]
instance.modify_attribute('blockDeviceMapping', {'/dev/sda1': True})
instance = ec2_backend.get_instance(instance.id)
instance.block_device_mapping.should.have.key('/dev/sda1')
instance.block_device_mapping['/dev/sda1'].delete_on_termination.should.be(True)