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#!/usr/bin/env ruby
require File.dirname(__FILE__) + '/../../spec_helper'
require 'puppet/transaction/change'
describe Puppet::Transaction::Change do
Change = Puppet::Transaction::Change
describe "when initializing" do
before do
@property = stub 'property', :path => "/property/path", :should => "shouldval"
end
it "should require the property and current value" do
lambda { Change.new() }.should raise_error
end
it "should set its property to the provided property" do
Change.new(@property, "value").property.should == :property
end
it "should set its 'is' value to the provided value" do
Change.new(@property, "value").is.should == "value"
end
it "should retrieve the 'should' value from the property" do
# Yay rspec :)
Change.new(@property, "value").should.should == @property.should
end
it "should set its path to the path of the property plus 'change'" do
Change.new(@property, "value").path.should == [@property.path, "change"]
end
end
describe "when an instance" do
before do
@property = stub 'property', :path => "/property/path", :should => "shouldval"
@change = Change.new(@property, "value")
end
it "should be noop if the property is noop" do
@property.expects(:noop).returns true
@change.noop?.should be_true
end
it "should set its resource to the proxy if it has one" do
@change.proxy = :myresource
@change.resource.should == :myresource
end
it "should set its resource to the property's resource if no proxy is set" do
@property.expects(:resource).returns :myresource
@change.resource.should == :myresource
end
it "should have a method for marking that it's been execution" do
@change.changed = true
@change.changed?.should be_true
end
describe "and creating an event" do
before do
@property.stubs(:resource).returns "myresource"
end
it "should produce a warning if the event name is not a symbol" do
@property.expects(:warning)
@property.stubs(:event).returns :myevent
@change.event("a string")
end
it "should use the property to generate the event name if the provided name is not a symbol" do
@property.stubs(:warning)
@property.expects(:event).with(@change.should).returns :myevent
Puppet::Transaction::Event.expects(:new).with { |name, source| name == :myevent }
@change.event("a string")
end
end
describe "and executing" do
describe "in noop mode" do
before { @change.stubs(:noop?).returns true }
it "should log that it is in noop" do
@property.expects(:is_to_s)
@property.expects(:should_to_s)
@property.expects(:log)
@change.stubs :event
@change.forward
end
it "should produce a :noop event and return" do
@property.stub_everything
@change.expects(:event).with(:noop).returns :noop_event
@change.forward.should == [:noop_event]
end
end
describe "without noop" do
before do
@change.stubs(:noop?).returns false
@property.stub_everything
@property.stubs(:resource).returns "myresource"
@property.stubs(:name).returns :myprop
end
it "should sync the property" do
@property.expects(:sync)
@change.forward
end
it "should return the default event if syncing the property returns nil" do
@property.stubs(:sync).returns nil
@change.expects(:event).with(:myprop_changed).returns :myevent
@change.forward.should == [:myevent]
end
it "should return the default event if syncing the property returns an empty array" do
@property.stubs(:sync).returns []
@change.expects(:event).with(:myprop_changed).returns :myevent
@change.forward.should == [:myevent]
end
it "should log the change" do
@property.expects(:sync).returns [:one]
@property.expects(:log)
@property.expects(:change_to_s)
@change.forward
end
it "should return an array of events" do
@property.expects(:sync).returns [:one, :two]
@change.expects(:event).with(:one).returns :uno
@change.expects(:event).with(:two).returns :dos
@change.forward.should == [:uno, :dos]
end
end
describe "backward" do
before do
@property = stub 'property'
@property.stub_everything
@property.stubs(:should).returns "shouldval"
@change = Change.new(@property, "value")
@change.stubs :go
end
it "should swap the 'is' and 'should' values" do
@change.backward
@change.is.should == "shouldval"
@change.should.should == "value"
end
it "should set the 'should' value on the property to the previous 'is' value" do
@property.expects(:should=).with "value"
@change.backward
end
it "should log that it's reversing the change" do
@property.expects(:info)
@change.backward
end
it "should execute" do
@change.expects(:go)
@change.backward
end
end
end
end
end
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