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require File.expand_path("../../../../../base", __FILE__)
require Vagrant.source_root.join("plugins/commands/snapshot/command/list")
describe VagrantPlugins::CommandSnapshot::Command::List 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(machine.provider).to receive(:capability?).with(:snapshot_list).
and_return(true)
allow(machine.provider).to receive(:capability).with(:snapshot_list).
and_return([])
allow(subject).to receive(:with_target_vms) { |&block| block.call machine }
end
describe "execute" do
context "with an unsupported provider" do
let(:argv) { ["foo"] }
before do
allow(machine.provider).to receive(:capability?).with(:snapshot_list).
and_return(false)
end
it "raises an exception" do
machine.id = "foo"
expect { subject.execute }.
to raise_error(Vagrant::Errors::SnapshotNotSupported)
end
end
context "with a vm given" do
let(:argv) { ["foo"] }
it "prints a message if the vm does not exist" do
machine.id = nil
expect(iso_env.ui).to receive(:info).with("==> default: VM not created. Moving on...", anything).
and_call_original
expect(machine).to_not receive(:action)
expect(subject.execute).to eq(0)
end
it "prints a message if no snapshots have been taken" do
machine.id = "foo"
expect(iso_env.ui).to receive(:output).and_call_original
.with(/No snapshots have been taken yet!/, anything)
expect(subject.execute).to eq(0)
end
it "prints a list of snapshots" do
machine.id = "foo"
allow(machine.provider).to receive(:capability).with(:snapshot_list).
and_return(["foo", "bar", "baz"])
expect(iso_env.ui).to receive(:output).with(/default/, anything).and_call_original
expect(iso_env.ui).to receive(:detail).with(/foo/, anything).and_call_original
expect(iso_env.ui).to receive(:detail).with(/bar/, anything).and_call_original
expect(iso_env.ui).to receive(:detail).with(/baz/, anything)
expect(subject.execute).to eq(0)
end
end
end
end
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