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#!/usr/bin/env ruby
require File.dirname(__FILE__) + '/../../spec_helper'
describe Puppet::Parser::TemplateWrapper do
before(:each) do
@known_resource_types = Puppet::Resource::TypeCollection.new("env")
@compiler = Puppet::Parser::Compiler.new(Puppet::Node.new("mynode"))
@compiler.environment.stubs(:known_resource_types).returns @known_resource_types
@scope = Puppet::Parser::Scope.new :compiler => @compiler
@file = "fake_template"
Puppet::Parser::Files.stubs(:find_template).returns("/tmp/fake_template")
FileTest.stubs(:exists?).returns("true")
File.stubs(:read).with("/tmp/fake_template").returns("template content")
@tw = Puppet::Parser::TemplateWrapper.new(@scope)
end
it "should create a new object TemplateWrapper from a scope" do
tw = Puppet::Parser::TemplateWrapper.new(@scope)
tw.should be_a_kind_of(Puppet::Parser::TemplateWrapper)
end
it "should check template file existance and read its content" do
Puppet::Parser::Files.expects(:find_template).with("fake_template", @scope.environment.to_s).returns("/tmp/fake_template")
File.expects(:read).with("/tmp/fake_template").returns("template content")
@tw.file = @file
end
it "should mark the file for watching" do
Puppet::Parser::Files.expects(:find_template).returns("/tmp/fake_template")
File.stubs(:read)
@known_resource_types.expects(:watch_file).with("/tmp/fake_template")
@tw.file = @file
end
it "should fail if a template cannot be found" do
Puppet::Parser::Files.expects(:find_template).returns nil
lambda { @tw.file = @file }.should raise_error(Puppet::ParseError)
end
it "should turn into a string like template[name] for file based template" do
@tw.file = @file
@tw.to_s.should eql("template[/tmp/fake_template]")
end
it "should turn into a string like template[inline] for string-based template" do
@tw.to_s.should eql("template[inline]")
end
it "should return the processed template contents with a call to result" do
template_mock = mock("template", :result => "woot!")
File.expects(:read).with("/tmp/fake_template").returns("template contents")
ERB.expects(:new).with("template contents", 0, "-").returns(template_mock)
@tw.file = @file
@tw.result.should eql("woot!")
end
it "should return the processed template contents with a call to result and a string" do
template_mock = mock("template", :result => "woot!")
ERB.expects(:new).with("template contents", 0, "-").returns(template_mock)
@tw.result("template contents").should eql("woot!")
end
it "should return the contents of a variable if called via method_missing" do
@scope.expects(:lookupvar).with("chicken", false).returns("is good")
tw = Puppet::Parser::TemplateWrapper.new(@scope)
tw.chicken.should eql("is good")
end
it "should throw an exception if a variable is called via method_missing and it does not exist" do
@scope.expects(:lookupvar).with("chicken", false).returns(:undefined)
tw = Puppet::Parser::TemplateWrapper.new(@scope)
lambda { tw.chicken }.should raise_error(Puppet::ParseError)
end
it "should allow you to check whether a variable is defined with has_variable?" do
@scope.expects(:lookupvar).with("chicken", false).returns("is good")
tw = Puppet::Parser::TemplateWrapper.new(@scope)
tw.has_variable?("chicken").should eql(true)
end
it "should allow you to check whether a variable is not defined with has_variable?" do
@scope.expects(:lookupvar).with("chicken", false).returns(:undefined)
tw = Puppet::Parser::TemplateWrapper.new(@scope)
tw.has_variable?("chicken").should eql(false)
end
it "should allow you to retrieve the defined classes with classes" do
catalog = mock 'catalog', :classes => ["class1", "class2"]
@scope.expects(:catalog).returns( catalog )
tw = Puppet::Parser::TemplateWrapper.new(@scope)
tw.classes().should == ["class1", "class2"]
end
it "should allow you to retrieve all the tags with all_tags" do
catalog = mock 'catalog', :tags => ["tag1", "tag2"]
@scope.expects(:catalog).returns( catalog )
tw = Puppet::Parser::TemplateWrapper.new(@scope)
tw.all_tags().should == ["tag1","tag2"]
end
it "should allow you to retrieve the tags defined in the current scope" do
@scope.expects(:tags).returns( ["tag1", "tag2"] )
tw = Puppet::Parser::TemplateWrapper.new(@scope)
tw.tags().should == ["tag1","tag2"]
end
it "should set all of the scope's variables as instance variables" do
template_mock = mock("template", :result => "woot!")
ERB.expects(:new).with("template contents", 0, "-").returns(template_mock)
@scope.expects(:to_hash).returns("one" => "foo")
@tw.result("template contents")
@tw.instance_variable_get("@one").should == "foo"
end
it "should not error out if one of the variables is a symbol" do
template_mock = mock("template", :result => "woot!")
ERB.expects(:new).with("template contents", 0, "-").returns(template_mock)
@scope.expects(:to_hash).returns(:_timestamp => "1234")
@tw.result("template contents")
end
%w{! . ; :}.each do |badchar|
it "should translate #{badchar} to _ when setting the instance variables" do
template_mock = mock("template", :result => "woot!")
ERB.expects(:new).with("template contents", 0, "-").returns(template_mock)
@scope.expects(:to_hash).returns("one#{badchar}" => "foo")
@tw.result("template contents")
@tw.instance_variable_get("@one_").should == "foo"
end
end
end
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