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#!/usr/bin/ruby
require 'puppet'
require 'puppet/parser/interpreter'
require 'puppet/parser/parser'
require 'puppet/client'
require 'puppettest'
class TestLangFunctions < Test::Unit::TestCase
include PuppetTest::ParserTesting
def test_functions
assert_raise(Puppet::ParseError) do
Puppet::Parser::AST::Function.new(
:name => "fakefunction",
:arguments => AST::ASTArray.new(
:children => [nameobj("avalue")]
)
)
end
assert_nothing_raised do
Puppet::Parser::Functions.newfunction(:fakefunction, :rvalue) do |input|
return "output %s" % input[0]
end
end
func = nil
assert_nothing_raised do
func = Puppet::Parser::AST::Function.new(
:name => "fakefunction",
:ftype => :rvalue,
:arguments => AST::ASTArray.new(
:children => [nameobj("avalue")]
)
)
end
scope = mkscope
val = nil
assert_nothing_raised do
val = func.evaluate(:scope => scope)
end
assert_equal("output avalue", val)
end
def test_taggedfunction
scope = mkscope
tag = "yayness"
scope.tag(tag)
{"yayness" => true, "booness" => false}.each do |tag, retval|
func = taggedobj(tag, :rvalue)
val = nil
assert_nothing_raised do
val = func.evaluate(:scope => scope)
end
assert_equal(retval, val, "'tagged' returned %s for %s" % [val, tag])
end
end
def test_failfunction
func = nil
assert_nothing_raised do
func = Puppet::Parser::AST::Function.new(
:name => "fail",
:ftype => :statement,
:arguments => AST::ASTArray.new(
:children => [stringobj("this is a failure"),
stringobj("and another")]
)
)
end
scope = mkscope
val = nil
assert_raise(Puppet::ParseError) do
val = func.evaluate(:scope => scope)
end
end
def test_multipletemplates
Dir.mkdir(Puppet[:templatedir])
onep = File.join(Puppet[:templatedir], "one")
twop = File.join(Puppet[:templatedir], "two")
File.open(onep, "w") do |f|
f.puts "template <%= one %>"
end
File.open(twop, "w") do |f|
f.puts "template <%= two %>"
end
func = nil
assert_nothing_raised do
func = Puppet::Parser::AST::Function.new(
:name => "template",
:ftype => :rvalue,
:arguments => AST::ASTArray.new(
:children => [stringobj("one"),
stringobj("two")]
)
)
end
ast = varobj("output", func)
scope = mkscope
assert_raise(Puppet::ParseError) do
ast.evaluate(:scope => scope)
end
scope.setvar("one", "One")
assert_raise(Puppet::ParseError) do
ast.evaluate(:scope => scope)
end
scope.setvar("two", "Two")
assert_nothing_raised do
ast.evaluate(:scope => scope)
end
assert_equal("template One\ntemplate Two\n", scope.lookupvar("output"),
"Templates were not handled correctly")
end
# Now make sure we can fully qualify files, and specify just one
def test_singletemplates
template = tempfile()
File.open(template, "w") do |f|
f.puts "template <%= yayness %>"
end
func = nil
assert_nothing_raised do
func = Puppet::Parser::AST::Function.new(
:name => "template",
:ftype => :rvalue,
:arguments => AST::ASTArray.new(
:children => [stringobj(template)]
)
)
end
ast = varobj("output", func)
scope = mkscope
assert_raise(Puppet::ParseError) do
ast.evaluate(:scope => scope)
end
scope.setvar("yayness", "this is yayness")
assert_nothing_raised do
ast.evaluate(:scope => scope)
end
assert_equal("template this is yayness\n", scope.lookupvar("output"),
"Templates were not handled correctly")
end
def test_tempatefunction_cannot_see_scopes
template = tempfile()
File.open(template, "w") do |f|
f.puts "<%= lookupvar('myvar') %>"
end
func = nil
assert_nothing_raised do
func = Puppet::Parser::AST::Function.new(
:name => "template",
:ftype => :rvalue,
:arguments => AST::ASTArray.new(
:children => [stringobj(template)]
)
)
end
ast = varobj("output", func)
scope = mkscope
scope.setvar("myvar", "this is yayness")
assert_raise(Puppet::ParseError) do
ast.evaluate(:scope => scope)
end
end
def test_template_reparses
template = tempfile()
File.open(template, "w") do |f|
f.puts "original text"
end
manifest = tempfile()
file = tempfile()
File.open(manifest, "w") do |f|
f.puts %{file { "#{file}": content => template("#{template}") }}
end
interpreter = Puppet::Parser::Interpreter.new(
:Manifest => manifest,
:UseNodes => false
)
parsedate = interpreter.parsedate()
objects = nil
assert_nothing_raised {
objects = interpreter.run("myhost", {})
}
fileobj = objects[0]
assert_equal("original text\n", fileobj["content"],
"Template did not work")
Puppet[:filetimeout] = 0
# Have to sleep because one second is the fs's time granularity.
sleep(1)
# Now modify the template
File.open(template, "w") do |f|
f.puts "new text"
end
assert_nothing_raised {
objects = interpreter.run("myhost", {})
}
newdate = interpreter.parsedate()
assert(parsedate != newdate, "Parse date did not change")
end
def test_template_defined_vars
template = tempfile()
File.open(template, "w") do |f|
f.puts "template <%= yayness %>"
end
func = nil
assert_nothing_raised do
func = Puppet::Parser::AST::Function.new(
:name => "template",
:ftype => :rvalue,
:arguments => AST::ASTArray.new(
:children => [stringobj(template)]
)
)
end
ast = varobj("output", func)
{
"" => "",
false => "false",
}.each do |string, value|
scope = mkscope
assert_raise(Puppet::ParseError) do
ast.evaluate(:scope => scope)
end
scope.setvar("yayness", string)
assert_nothing_raised("An empty string was not a valid variable value") do
ast.evaluate(:scope => scope)
end
assert_equal("template #{value}\n", scope.lookupvar("output"),
"%s did not get evaluated correctly" % string.inspect)
end
end
def test_autoloading_functions
assert_equal(false, Puppet::Parser::Functions.function(:autofunc),
"Got told autofunc already exists")
dir = tempfile()
$: << dir
newpath = File.join(dir, "puppet", "parser", "functions")
FileUtils.mkdir_p(newpath)
File.open(File.join(newpath, "autofunc.rb"), "w") { |f|
f.puts %{
Puppet::Parser::Functions.newfunction(:autofunc, :rvalue) do |vals|
Puppet.wanring vals.inspect
end
}
}
obj = nil
assert_nothing_raised {
obj = Puppet::Parser::Functions.function(:autofunc)
}
assert(obj, "Did not autoload function")
assert(Puppet::Parser::Scope.method_defined?(:function_autofunc),
"Did not set function correctly")
end
end
# $Id$
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