49 lines
1.1 KiB
Ruby
49 lines
1.1 KiB
Ruby
require File.expand_path("../../../base", __FILE__)
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describe Vagrant::Config::Base do
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include_context "unit"
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let(:foo_class) do
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Class.new(described_class) do
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attr_accessor :one
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attr_accessor :two
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end
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end
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it "should merge by default by simply copying each instance variable" do
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one = foo_class.new
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one.one = 2
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one.two = 1
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two = foo_class.new
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two.two = 5
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result = one.merge(two)
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result.one.should == 2
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result.two.should == 5
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end
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it "doesn't merge values that start with a double underscore" do
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bar_class = Class.new(foo_class) do
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class_variable_set(:@@counter, 0)
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def initialize
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@__test = self.class.send(:class_variable_get, :@@counter)
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self.class.send(:class_variable_set, :@@counter, @__test + 1)
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end
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end
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one = bar_class.new
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one.one = 2
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one.two = 1
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two = bar_class.new
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two.two = 5
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# Verify the counters
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one.instance_variable_get(:@__test).should == 0
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two.instance_variable_get(:@__test).should == 1
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one.merge(two).instance_variable_get(:@__test).should == 2
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end
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end
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