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require File.expand_path("../../../../../base", __FILE__)
require Vagrant.source_root.join("plugins/commands/snapshot/command/save")
describe VagrantPlugins::CommandSnapshot::Command::Save 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([])
allow(machine.provider).to receive(:capability?).with(:snapshot_list).
and_return(true)
allow(subject).to receive(:with_target_vms) { |&block| block.call machine }
end
describe "execute" do
context "with no arguments" do
it "shows help" do
expect { subject.execute }.
to raise_error(Vagrant::Errors::CLIInvalidUsage)
end
end
context "with an unsupported provider" do
let(:argv) { ["test"] }
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 snapshot name given" do
let(:argv) { ["test"] }
it "calls snapshot_save with a snapshot name" do
machine.id = "foo"
expect(machine).to receive(:action) do |name, opts|
expect(name).to eq(:snapshot_save)
expect(opts[:snapshot_name]).to eq("test")
end
expect(subject.execute).to eq(0)
end
it "doesn't snapshot a non-existent machine" do
machine.id = nil
expect(subject).to receive(:with_target_vms){}
expect(machine).to_not receive(:action)
expect(subject.execute).to eq(0)
end
end
context "with a snapshot guest and name given" do
let(:argv) { ["foo", "backup"] }
it "calls snapshot_save with a snapshot name" do
machine.id = "foo"
expect(machine).to receive(:action) do |name, opts|
expect(name).to eq(:snapshot_save)
expect(opts[:snapshot_name]).to eq("backup")
end
expect(subject.execute).to eq(0)
end
it "doesn't snapshot a non-existent machine" do
machine.id = nil
expect(machine).to_not receive(:action)
expect(subject.execute).to eq(0)
end
end
context "with a duplicate snapshot name given and no force flag" do
let(:argv) { ["test"] }
it "fails to take a snapshot and prints a warning to the user" do
machine.id = "fool"
allow(machine.provider).to receive(:capability).with(:snapshot_list).
and_return(["test"])
expect(machine).to_not receive(:action)
expect { subject.execute }.
to raise_error(Vagrant::Errors::SnapshotConflictFailed)
end
end
context "with a duplicate snapshot name given and a force flag" do
let(:argv) { ["test", "--force"] }
it "deletes the existing snapshot and takes a new one" do
machine.id = "foo"
allow(machine.provider).to receive(:capability).with(:snapshot_list).
and_return(["test"])
expect(machine).to receive(:action).with(:snapshot_delete, snapshot_name: "test")
expect(machine).to receive(:action).with(:snapshot_save, snapshot_name: "test")
expect(subject.execute).to eq(0)
end
end
end
end
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