vaguerent/test/unit/vagrant/plugin/v1/config_test.rb

54 lines
1.3 KiB
Ruby

# Copyright (c) HashiCorp, Inc.
# SPDX-License-Identifier: BUSL-1.1
require File.expand_path("../../../../base", __FILE__)
describe Vagrant::Plugin::V1::Config do
include_context "unit"
let(:foo_class) do
Class.new(described_class) do
attr_accessor :one
attr_accessor :two
end
end
it "has an UNSET_VALUE constant" do
value = described_class.const_get("UNSET_VALUE")
expect(value).to be_kind_of Object
expect(value).to eql(described_class.const_get("UNSET_VALUE"))
end
describe "merging" do
it "should merge by default by simply copying each instance variable" do
one = foo_class.new
one.one = 2
one.two = 1
two = foo_class.new
two.two = 5
result = one.merge(two)
expect(result.one).to eq(2)
expect(result.two).to eq(5)
end
it "doesn't merge values that start with a double underscore" do
one = foo_class.new
one.one = 1
one.two = 1
one.instance_variable_set(:@__bar, "one")
two = foo_class.new
two.two = 2
two.instance_variable_set(:@__bar, "two")
# Merge and verify
result = one.merge(two)
expect(result.one).to eq(1)
expect(result.two).to eq(2)
expect(result.instance_variable_get(:@__bar)).to be_nil
end
end
end