vaguerent/test/unit/vagrant/action/warden_test.rb

110 lines
2.6 KiB
Ruby

# Copyright (c) HashiCorp, Inc.
# SPDX-License-Identifier: BUSL-1.1
require File.expand_path("../../../base", __FILE__)
describe Vagrant::Action::Warden do
class ActionOne
def initialize(app, env)
@app = app
end
def call(env)
env[:data] << 1 if env[:data]
@app.call(env)
end
def recover(env)
env[:recover] << 1
end
end
class ActionTwo
def initialize(app, env)
@app = app
end
def call(env)
env[:data] << 2 if env[:data]
@app.call(env)
end
def recover(env)
env[:recover] << 2
end
end
class ExitAction
def initialize(app, env)
@app = app
end
def call(env)
@app.call(env)
end
def recover(env)
env[:recover] = true
end
end
let(:data) { { data: [] } }
let(:instance) { described_class.new }
# This returns a proc that can be used with the builder
# that simply appends data to an array in the env.
def appender_proc(data)
Proc.new { |env| env[:data] << data }
end
it "calls the actions like normal" do
instance = described_class.new([appender_proc(1), appender_proc(2)], data)
instance.call(data)
expect(data[:data]).to eq([1, 2])
end
it "starts a recovery sequence when an exception is raised" do
error_proc = Proc.new { raise "ERROR!" }
data = { recover: [] }
instance = described_class.new([ActionOne, ActionTwo, error_proc], data)
# The error should be raised back up
expect { instance.call(data) }.
to raise_error(RuntimeError)
# Verify the recovery process goes in reverse order
expect(data[:recover]).to eq([2, 1])
# Verify that the error is available in the data
expect(data["vagrant.error"]).to be_kind_of(RuntimeError)
end
it "does not do a recovery sequence if SystemExit is raised" do
# Make a proc that just calls "abort" which raises a
# SystemExit exception.
error_proc = Proc.new { abort }
instance = described_class.new([ExitAction, error_proc], data)
# The SystemExit should come through
expect { instance.call(data) }.to raise_error(SystemExit)
# The recover should not have been called
expect(data.key?(:recover)).not_to be
end
it "does not do a recovery sequence if NoMemoryError is raised" do
error_proc = Proc.new { raise NoMemoryError }
instance = described_class.new([ExitAction, error_proc], data)
# The SystemExit should come through
expect { instance.call(data) }.to raise_error(NoMemoryError)
# The recover should not have been called
expect(data.key?(:recover)).not_to be
end
end