vagrant/test/hobo/vm_test.rb

276 lines
8.1 KiB
Ruby

require File.join(File.dirname(__FILE__), '..', 'test_helper')
class VMTest < Test::Unit::TestCase
setup do
@mock_vm = mock("vm")
hobo_mock_config
@persisted_vm = mock("persisted_vm")
Hobo::Env.stubs(:persisted_vm).returns(@persisted_vm)
Net::SSH.stubs(:start)
end
context "hobo ssh" do
setup do
Hobo::SSH.stubs(:connect)
end
should "require a persisted VM" do
Hobo::Env.expects(:require_persisted_vm).once
Hobo::VM.ssh
end
should "connect to SSH" do
Hobo::SSH.expects(:connect).once
Hobo::VM.ssh
end
end
context "hobo down" do
setup do
@persisted_vm.stubs(:destroy)
end
should "require a persisted VM" do
Hobo::Env.expects(:require_persisted_vm).once
Hobo::VM.down
end
should "destroy the persisted VM and the VM image" do
@persisted_vm.expects(:destroy).once
Hobo::VM.down
end
end
context "hobo up" do
should "create a Hobo::VM instance and call create" do
inst = mock("instance")
inst.expects(:create).once
Hobo::VM.expects(:new).returns(inst)
Hobo::VM.up
end
end
context "finding a VM" do
should "return nil if the VM is not found" do
VirtualBox::VM.expects(:find).returns(nil)
assert_nil Hobo::VM.find("foo")
end
should "return a Hobo::VM object for that VM otherwise" do
VirtualBox::VM.expects(:find).with("foo").returns("bar")
result = Hobo::VM.find("foo")
assert result.is_a?(Hobo::VM)
assert_equal "bar", result.vm
end
end
context "hobo VM instance" do
setup do
@vm = Hobo::VM.new(@mock_vm)
end
context "creating" do
should "create the VM in the proper order" do
create_seq = sequence("create_seq")
@vm.expects(:import).in_sequence(create_seq)
@vm.expects(:persist).in_sequence(create_seq)
@vm.expects(:setup_mac_address).in_sequence(create_seq)
@vm.expects(:forward_ports).in_sequence(create_seq)
@vm.expects(:setup_shared_folder).in_sequence(create_seq)
@vm.expects(:start).in_sequence(create_seq)
@vm.expects(:mount_shared_folder).in_sequence(create_seq)
@vm.create
end
end
context "destroying" do
setup do
@mock_vm.stubs(:running?).returns(false)
end
should "destoy the VM along with images" do
@mock_vm.expects(:destroy).with(:destroy_image => true).once
@vm.destroy
end
should "stop the VM if its running" do
@mock_vm.expects(:running?).returns(true)
@mock_vm.expects(:stop).with(true)
@mock_vm.expects(:destroy).with(:destroy_image => true).once
@vm.destroy
end
end
context "starting" do
setup do
@mock_vm.stubs(:start)
end
should "start the VM in headless mode" do
@mock_vm.expects(:start).with(:headless, true).once
@vm.start
end
should "repeatedly ping the SSH port and return false with no response" do
seq = sequence('pings')
Ping.expects(:pingecho).times(Hobo.config[:ssh][:max_tries].to_i - 1).returns(false).in_sequence(seq)
Ping.expects(:pingecho).once.returns(true).in_sequence(seq)
assert @vm.start
end
should "ping the max number of times then just return" do
Ping.expects(:pingecho).times(Hobo.config[:ssh][:max_tries].to_i).returns(false)
assert !@vm.start
end
end
context "importing" do
should "call import on VirtualBox::VM with the proper base" do
VirtualBox::VM.expects(:import).once
@vm.import
end
should "return the VM object" do
VirtualBox::VM.expects(:import).returns(@mock_vm).once
assert_equal @mock_vm, @vm.import
end
end
context "persisting" do
should "persist the VM with Env" do
@mock_vm.stubs(:uuid)
Hobo::Env.expects(:persist_vm).with(@mock_vm).once
@vm.persist
end
end
context "setting up MAC address" do
should "match the mac address with the base" do
nic = mock("nic")
nic.expects(:macaddress=).once
@mock_vm.expects(:nics).returns([nic]).once
@mock_vm.expects(:save).with(true).once
@vm.setup_mac_address
end
end
context "forwarding ports" do
should "create a port forwarding for the VM" do
# TODO: Test the actual port value to make sure it has the
# correct attributes
forwarded_ports = mock("forwarded_ports")
forwarded_ports.expects(:<<)
@mock_vm.expects(:forwarded_ports).returns(forwarded_ports)
@mock_vm.expects(:save).with(true).once
@vm.forward_ports
end
end
context "setting up the shared folder" do
should "create a shared folder with the root folder for the VM" do
shared_folder = mock("shared_folder")
shared_folder.stubs(:name=)
shared_folder.expects(:hostpath=).with(Hobo::Env.root_path).once
shared_folder_collection = mock("collection")
shared_folder_collection.expects(:<<).with(shared_folder)
VirtualBox::SharedFolder.expects(:new).returns(shared_folder)
@mock_vm.expects(:shared_folders).returns(shared_folder_collection)
@mock_vm.expects(:save).with(true).once
@vm.setup_shared_folder
end
end
context "mounting the shared folders" do
should "create the directory then mount the shared folder" do
mount_seq = sequence("mount_seq")
ssh = mock("ssh")
ssh.expects(:exec!).with("sudo mkdir -p #{Hobo.config.vm.project_directory}").in_sequence(mount_seq)
ssh.expects(:exec!).with("sudo mount -t vboxsf hobo-root-path #{Hobo.config.vm.project_directory}").in_sequence(mount_seq)
Hobo::SSH.expects(:execute).yields(ssh)
@vm.mount_shared_folder
end
end
context "suspending and resuming a vm" do
should "put the vm in a suspended state" do
saved_state_expectation(false)
save_expectation
Hobo::VM.suspend
end
should "results in an error and exit if the vm is already in a saved state" do
saved_state_expectation(true)
save_expectation
Hobo::VM.expects(:error_and_exit)
Hobo::VM.suspend
end
should "start a vm in a suspended state" do
saved_state_expectation(true)
start_expectation
Hobo::VM.resume
end
should "results in an error and exit if the vm is not in a saved state" do
saved_state_expectation(false)
start_expectation
# TODO research the matter of mocking exit
Hobo::VM.expects(:error_and_exit)
Hobo::VM.resume
end
def saved_state_expectation(saved)
@persisted_vm.expects(:saved?).returns(saved)
end
def save_expectation
@persisted_vm.expects(:save_state).with(true)
end
def start_expectation
Hobo::Env.persisted_vm.expects(:start).once.returns(true)
end
end
context "creating a new vm with a specified disk storage location" do
should "error and exit of the vm is not powered off" do
# Exit does not prevent method from proceeding in test, so we must set expectations
vm = move_hd_expectations
@mock_vm.expects(:powered_off?).returns(false)
vm.expects(:error_and_exit)
vm.move_hd
end
should "create assign a new disk image, and delete the old one" do
vm = move_hd_expectations
@mock_vm.expects(:powered_off?).returns(true)
vm.move_hd
end
def move_hd_expectations
image, hd = mock('image'), mock('hd')
Hobo.config[:vm].expects(:hd_location).at_least_once.returns('/locations/')
image.expects(:clone).with(Hobo.config[:vm][:hd_location] + 'foo', Hobo::VM::HD_EXT_DEFAULT, true).returns(image)
image.expects(:filename).twice.returns('foo')
hd.expects(:image).twice.returns(image)
hd.expects(:image=).with(image)
image.expects(:destroy)
@mock_vm.expects(:save)
vm = Hobo::VM.new(@mock_vm)
vm.expects(:hd).times(3).returns(hd)
vm
end
end
end
end