912e4974db
This is actually required so that we can do things like this in plugins: Vagrant.actions[:up].insert(Foo, Bar)
75 lines
1.9 KiB
Ruby
75 lines
1.9 KiB
Ruby
require File.expand_path("../../base", __FILE__)
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describe Vagrant::Registry do
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let(:instance) { described_class.new }
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it "should return nil for nonexistent items" do
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instance.get("foo").should be_nil
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end
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it "should register a simple key/value" do
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instance.register("foo", "value")
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instance.get("foo").should == "value"
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end
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it "should register an item without calling the block yet" do
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expect do
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instance.register("foo") do
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raise Exception, "BOOM!"
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end
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end.to_not raise_error
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end
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it "should call and return the result of a block when asking for the item" do
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object = Object.new
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instance.register("foo") do
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object
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end
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instance.get("foo").should eql(object)
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end
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it "should be able to get the item with []" do
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object = Object.new
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instance.register("foo") { object }
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instance["foo"].should eql(object)
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end
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it "should cache the result of the item so they can be modified" do
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# Make the proc generate a NEW array each time
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instance.register("foo") { [] }
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# Test that modifying the result modifies the actual cached
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# value. This verifies we're caching.
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instance.get("foo").should == []
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instance.get("foo") << "value"
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instance.get("foo").should == ["value"]
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end
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it "should be enumerable" do
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instance.register("foo", "foovalue")
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instance.register("bar", "barvalue")
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keys = []
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values = []
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instance.each do |key, value|
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keys << key
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values << value
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end
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keys.sort.should == ["bar", "foo"]
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values.sort.should == ["barvalue", "foovalue"]
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end
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it "should be able to convert to a hash" do
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instance.register("foo", "foovalue")
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instance.register("bar", "barvalue")
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result = instance.to_hash
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result.should be_a(Hash)
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result["foo"].should == "foovalue"
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result["bar"].should == "barvalue"
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end
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end
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