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#!/usr/bin/env ruby
require File.expand_path(File.dirname(__FILE__) + '/../lib/puppettest')
require 'puppet'
require 'puppet/parser/parser'
require 'puppet/network/client'
require 'puppettest'
require 'puppettest/resourcetesting'
class TestLangFunctions < Test::Unit::TestCase
include PuppetTest::ParserTesting
include PuppetTest::ResourceTesting
def test_functions
Puppet::Node::Environment.stubs(:current).returns nil
assert_nothing_raised do
Puppet::Parser::AST::Function.new(
:name => "fakefunction",
:arguments => AST::ASTArray.new(
:children => [nameobj("avalue")]
)
)
end
assert_raise(Puppet::ParseError) do
func = Puppet::Parser::AST::Function.new(
:name => "fakefunction",
:arguments => AST::ASTArray.new(
:children => [nameobj("avalue")]
)
)
func.evaluate(mkscope)
end
assert_nothing_raised do
Puppet::Parser::Functions.newfunction(:fakefunction, :type => :rvalue) do |input|
return "output #{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)
end
assert_equal("output avalue", val)
end
def test_taggedfunction
scope = mkscope
scope.resource.tag("yayness")
# Make sure the ast stuff does what it's supposed to
{"yayness" => true, "booness" => false}.each do |tag, retval|
func = taggedobj(tag, :rvalue)
val = nil
assert_nothing_raised do
val = func.evaluate(scope)
end
assert_equal(retval, val, "'tagged' returned #{val} for #{tag}")
end
# Now make sure we correctly get tags.
scope.resource.tag("resourcetag")
assert(scope.function_tagged("resourcetag"), "tagged function did not catch resource tags")
scope.compiler.catalog.tag("configtag")
assert(scope.function_tagged("configtag"), "tagged function did not catch catalog tags")
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)
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 "<%- if @one.nil? then raise '@one undefined' end -%>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
# Test that our manual exception throw fails the parse
assert_raise(Puppet::ParseError) do
ast.evaluate(scope)
end
# Test that our use of an undefined instance variable does not throw
# an exception, but only safely continues.
scope.setvar("one", "One")
assert_nothing_raised do
ast.evaluate(scope)
end
# Ensure that we got the output we expected from that evaluation.
assert_equal("template One\ntemplate \n", scope.lookupvar("output"), "Undefined template variables do not raise exceptions")
# Now, fill in the last variable and make sure the whole thing
# evaluates correctly.
scope.setvar("two", "Two")
scope.unsetvar("output")
assert_nothing_raised do
ast.evaluate(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 <%= @yay.nil?() ? raise('yay undefined') : @yay %>"
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)
end
scope.setvar("yay", "this is yay")
assert_nothing_raised do
ast.evaluate(scope)
end
assert_equal(
"template this is yay\n", scope.lookupvar("output"),
"Templates were not handled correctly")
end
# Make sure that legacy template variable access works as expected.
def test_legacyvariables
template = tempfile
File.open(template, "w") do |f|
f.puts "template <%= deprecated %>"
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)
# Verify that we get an exception using old-style accessors.
scope = mkscope
assert_raise(Puppet::ParseError) do
ast.evaluate(scope)
end
# Verify that we evaluate and return their value correctly.
scope.setvar("deprecated", "deprecated value")
assert_nothing_raised do
ast.evaluate(scope)
end
assert_equal(
"template deprecated value\n", scope.lookupvar("output"),
"Deprecated template variables were not handled correctly")
end
# Make sure that problems with kernel method visibility still exist.
def test_kernel_module_shadows_deprecated_var_lookup
template = tempfile
File.open(template, "w").puts("<%= binding %>")
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)
# Verify that Kernel methods still shadow deprecated variable lookups.
scope = mkscope
assert_nothing_raised("No exception for Kernel shadowed variable names") do
ast.evaluate(scope)
end
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)
end
end
def test_template_reparses
template = tempfile
File.open(template, "w") do |f|
f.puts "original text"
end
file = tempfile
Puppet[:code] = %{file { "#{file}": content => template("#{template}") }}
Puppet[:environment] = "yay"
node = mknode
node.stubs(:environment).returns Puppet::Node::Environment.new
Puppet[:environment] = "yay"
catalog = Puppet::Parser::Compiler.new(node).compile
version = catalog.version
fileobj = catalog.vertices.find { |r| r.title == file }
assert(fileobj, "File was not in catalog")
assert_equal(
"original text\n", fileobj["content"],
"Template did not work")
Puppet[:filetimeout] = -5
# 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
newversion = Puppet::Parser::Compiler.new(node).compile.version
assert(version != newversion, "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
scope.setvar("yayness", string)
assert_equal(string, scope.lookupvar("yayness"))
assert_nothing_raised("An empty string was not a valid variable value") do
ast.evaluate(scope)
end
assert_equal(
"template #{value}\n", scope.lookupvar("output"),
"#{string.inspect} did not get evaluated correctly")
end
end
def test_autoloading_functions
#assert_equal(false, Puppet::Parser::Functions.function(:autofunc),
# "Got told autofunc already exists")
dir = tempfile
$LOAD_PATH << 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, :type => :rvalue) do |vals|
Puppet.wanring vals.inspect
end
}
}
Puppet::Node::Environment.stubs(:current).returns nil
obj = nil
assert_nothing_raised {
obj = Puppet::Parser::Functions.function(:autofunc)
}
assert(obj, "Did not autoload function")
assert(Puppet::Parser::Functions.environment_module.method_defined?(:function_autofunc), "Did not set function correctly")
end
def test_search
scope = mkscope
fun = scope.known_resource_types.add Puppet::Resource::Type.new(:definition, "yay::ness")
foo = scope.known_resource_types.add Puppet::Resource::Type.new(:definition, "foo::bar")
search = Puppet::Parser::Functions.function(:search)
scope.function_search(["foo", "yay"])
ffun = ffoo = nil
assert_nothing_raised("Search path change did not work") do
ffun = scope.find_definition("ness")
ffoo = scope.find_definition('bar')
end
assert(ffun, "Could not find definition in 'fun' namespace")
assert(ffoo, "Could not find definition in 'foo' namespace")
end
def test_include
scope = mkscope
parser = mkparser
include = Puppet::Parser::Functions.function(:include)
assert_raise(Puppet::Error, "did not throw error on missing class") do
scope.function_include("nosuchclass")
end
scope.known_resource_types.add Puppet::Resource::Type.new(:hostclass, "myclass", {})
scope.compiler.expects(:evaluate_classes).with(%w{myclass otherclass}, scope, false).returns(%w{myclass otherclass})
assert_nothing_raised do
scope.function_include(["myclass", "otherclass"])
end
end
def test_file
parser = mkparser
scope = mkscope(:parser => parser)
file = Puppet::Parser::Functions.function(:file)
file1 = tempfile
file2 = tempfile
file3 = tempfile
File.open(file2, "w") { |f| f.puts "yaytest" }
val = nil
assert_nothing_raised("Failed to call file with one arg") do
val = scope.function_file([file2])
end
assert_equal("yaytest\n", val, "file() failed")
assert_nothing_raised("Failed to call file with two args") do
val = scope.function_file([file1, file2])
end
assert_equal("yaytest\n", val, "file() failed")
assert_raise(Puppet::ParseError, "did not fail when files are missing") do
val = scope.function_file([file1, file3])
end
end
def test_generate
command = tempfile
sh = %x{which sh}
File.open(command, "w") do |f|
f.puts %{#!#{sh}
if [ -n "$1" ]; then
echo "yay-$1"
else
echo yay
fi
}
end
File.chmod(0755, command)
assert_equal("yay\n", %x{#{command}}, "command did not work")
assert_equal("yay-foo\n", %x{#{command} foo}, "command did not work")
Puppet::Node::Environment.stubs(:current).returns nil
generate = Puppet::Parser::Functions.function(:generate)
scope = mkscope
parser = mkparser
val = nil
assert_nothing_raised("Could not call generator with no args") do
val = scope.function_generate([command])
end
assert_equal("yay\n", val, "generator returned wrong results")
assert_nothing_raised("Could not call generator with args") do
val = scope.function_generate([command, "foo"])
end
assert_equal("yay-foo\n", val, "generator returned wrong results")
assert_raise(Puppet::ParseError, "Did not fail with an unqualified path") do
val = scope.function_generate([File.basename(command), "foo"])
end
assert_raise(Puppet::ParseError, "Did not fail when command failed") do
val = scope.function_generate([%x{which touch}.chomp, "/this/dir/does/not/exist"])
end
fake = File.join(File.dirname(command), "..")
dir = File.dirname(command)
dirname = File.basename(dir)
bad = File.join(dir, "..", dirname, File.basename(command))
assert_raise(Puppet::ParseError, "Did not fail when command failed") do
val = scope.function_generate([bad])
end
end
end
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