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require 'spec_helper'
describe "the inline_epp function" do
include PuppetSpec::Files
before :all do
Puppet::Parser::Functions.autoloader.loadall
end
before :each do
Puppet[:parser] = 'future'
end
let :node do Puppet::Node.new('localhost') end
let :compiler do Puppet::Parser::Compiler.new(node) end
let :scope do Puppet::Parser::Scope.new(compiler) end
context "when accessing scope variables as $ variables" do
it "looks up the value from the scope" do
scope["what"] = "are belong"
eval_template("all your base <%= $what %> to us").should == "all your base are belong to us"
end
it "get nil accessing a variable that does not exist" do
eval_template("<%= $kryptonite == undef %>").should == "true"
end
it "get nil accessing a variable that is undef" do
scope['undef_var'] = :undef
eval_template("<%= $undef_var == undef %>").should == "true"
end
it "gets shadowed variable if args are given" do
scope['phantom'] = 'of the opera'
eval_template_with_args("<%= $phantom == dragos %>", 'phantom' => 'dragos').should == "true"
end
it "gets shadowed variable if args are given and parameters are specified" do
scope['x'] = 'wrong one'
eval_template_with_args("<%-| $x |-%><%= $x == correct %>", 'x' => 'correct').should == "true"
end
it "raises an error if required variable is not given" do
scope['x'] = 'wrong one'
expect {
eval_template_with_args("<%-| $x |-%><%= $x == correct %>", 'y' => 'correct')
}.to raise_error(/no value given for required parameters x/)
end
it "raises an error if too many arguments are given" do
scope['x'] = 'wrong one'
expect {
eval_template_with_args("<%-| $x |-%><%= $x == correct %>", 'x' => 'correct', 'y' => 'surplus')
}.to raise_error(/Too many arguments: 2 for 1/)
end
end
context "when given an empty template" do
it "allows the template file to be empty" do
expect(eval_template("")).to eq("")
end
it "allows the template to have empty body after parameters" do
expect(eval_template_with_args("<%-|$x|%>", 'x'=>1)).to eq("")
end
end
it "renders a block expression" do
eval_template_with_args("<%= { $y = $x $x + 1} %>", 'x' => 2).should == "3"
end
# although never a problem with epp
it "is not interfered with by having a variable named 'string' (#14093)" do
scope['string'] = "this output should not be seen"
eval_template("some text that is static").should == "some text that is static"
end
it "has access to a variable named 'string' (#14093)" do
scope['string'] = "the string value"
eval_template("string was: <%= $string %>").should == "string was: the string value"
end
def eval_template_with_args(content, args_hash)
epp_function.call(scope, content, args_hash)
end
def eval_template(content)
epp_function.call(scope, content)
end
def epp_function()
epp_func = scope.compiler.loaders.public_environment_loader.load(:function, 'inline_epp')
end
end
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