vagrant/test/unit/plugins/commands/snapshot/command/pop_test.rb

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2015-10-08 13:10:55 +00:00
require File.expand_path("../../../../../base", __FILE__)
require Vagrant.source_root.join("plugins/commands/snapshot/command/pop")
describe VagrantPlugins::CommandSnapshot::Command::Pop do
include_context "unit"
let(:iso_env) do
# We have to create a Vagrantfile so there is a root path
env = isolated_environment
env.vagrantfile("")
env.create_vagrant_env
end
let(:guest) { double("guest") }
let(:host) { double("host") }
let(:machine) { iso_env.machine(iso_env.machine_names[0], :dummy) }
let(:argv) { [] }
subject { described_class.new(argv, iso_env) }
before do
allow(subject).to receive(:with_target_vms) { |&block| block.call machine }
end
describe "execute" do
it "calls snapshot_restore with the last pushed snapshot" do
machine.id = "foo"
allow(machine.provider).to receive(:capability).
with(:snapshot_list).and_return(["push_2_0", "push_1_0"])
expect(machine).to receive(:action) do |name, opts|
expect(name).to eq(:snapshot_restore)
expect(opts[:snapshot_name]).to eq("push_2_0")
end
expect(subject.execute).to eq(0)
end
it "isn't an error if no matching snapshot" do
machine.id = "foo"
allow(machine.provider).to receive(:capability).
with(:snapshot_list).and_return(["foo"])
expect(machine).to_not receive(:action)
expect(subject.execute).to eq(0)
end
end
end