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#! /usr/bin/env ruby
require 'spec_helper'
require 'puppet/util/resource_template'
describe Puppet::Util::ResourceTemplate do
describe "when initializing" do
it "should fail if the template does not exist" do
Puppet::FileSystem.expects(:exist?).with("/my/template").returns false
expect { Puppet::Util::ResourceTemplate.new("/my/template", mock('resource')) }.to raise_error(ArgumentError)
end
it "should not create the ERB template" do
ERB.expects(:new).never
Puppet::FileSystem.expects(:exist?).with("/my/template").returns true
Puppet::Util::ResourceTemplate.new("/my/template", mock('resource'))
end
end
describe "when evaluating" do
before do
Puppet::FileSystem.stubs(:exist?).returns true
Puppet::FileSystem.stubs(:read).returns "eh"
@template = stub 'template', :result => nil
ERB.stubs(:new).returns @template
@resource = mock 'resource'
@wrapper = Puppet::Util::ResourceTemplate.new("/my/template", @resource)
end
it "should set all of the resource's parameters as instance variables" do
@resource.expects(:to_hash).returns(:one => "uno", :two => "dos")
@template.expects(:result).with do |bind|
eval("@one", bind) == "uno" and eval("@two", bind) == "dos"
end
@wrapper.evaluate
end
it "should create a template instance with the contents of the file" do
Puppet::FileSystem.expects(:read).with("/my/template", :encoding => 'utf-8').returns "yay"
ERB.expects(:new).with("yay", 0, "-").returns(@template)
@wrapper.stubs :set_resource_variables
@wrapper.evaluate
end
it "should return the result of the template" do
@wrapper.stubs :set_resource_variables
@wrapper.expects(:binding).returns "mybinding"
@template.expects(:result).with("mybinding").returns "myresult"
expect(@wrapper.evaluate).to eq("myresult")
end
end
end
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