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require 'puppet'
require 'spec_helper'
require 'puppet_spec/compiler'
describe 'function for dynamically creating resources' do
include PuppetSpec::Compiler
before :each do
node = Puppet::Node.new("floppy", :environment => 'production')
@compiler = Puppet::Parser::Compiler.new(node)
@scope = Puppet::Parser::Scope.new(:compiler => @compiler)
@topscope = @scope.compiler.topscope
@scope.parent = @topscope
Puppet::Parser::Functions.function(:create_resources)
end
it "should exist" do
Puppet::Parser::Functions.function(:create_resources).should == "function_create_resources"
end
it 'should require two or three arguments' do
expect { @scope.function_create_resources(['foo']) }.should raise_error(ArgumentError, 'create_resources(): wrong number of arguments (1; must be 2 or 3)')
expect { @scope.function_create_resources(['foo', 'bar', 'blah', 'baz']) }.should raise_error(ArgumentError, 'create_resources(): wrong number of arguments (4; must be 2 or 3)')
end
describe 'when the caller does not supply a name parameter' do
it 'should set a default resource name equal to the resource title' do
Puppet::Parser::Resource.any_instance.expects(:set_parameter).with(:name, 'test').once
@scope.function_create_resources(['notify', {'test'=>{}}])
end
end
describe 'when the caller supplies a name parameter' do
it 'should set the resource name to the value provided' do
Puppet::Parser::Resource.any_instance.expects(:set_parameter).with(:name, 'user_supplied').once
Puppet::Parser::Resource.any_instance.expects(:set_parameter).with(:name, 'test').never
@scope.function_create_resources(['notify', {'test'=>{'name' => 'user_supplied'}}])
end
end
describe 'when creating native types' do
it 'empty hash should not cause resources to be added' do
noop_catalog = compile_to_catalog("create_resources('file', {})")
empty_catalog = compile_to_catalog("")
noop_catalog.resources.size.should == empty_catalog.resources.size
end
it 'should be able to add' do
catalog = compile_to_catalog("create_resources('file', {'/etc/foo'=>{'ensure'=>'present'}})")
catalog.resource(:file, "/etc/foo")['ensure'].should == 'present'
end
it 'should accept multiple types' do
catalog = compile_to_catalog("create_resources('notify', {'foo'=>{'message'=>'one'}, 'bar'=>{'message'=>'two'}})")
catalog.resource(:notify, "foo")['message'].should == 'one'
catalog.resource(:notify, "bar")['message'].should == 'two'
end
it 'should fail to add non-existing type' do
expect { @scope.function_create_resources(['create-resource-foo', {}]) }.should raise_error(ArgumentError, 'could not create resource of unknown type create-resource-foo')
end
it 'should be able to add edges' do
catalog = compile_to_catalog("notify { test: }\n create_resources('notify', {'foo'=>{'require'=>'Notify[test]'}})")
rg = catalog.to_ral.relationship_graph
test = rg.vertices.find { |v| v.title == 'test' }
foo = rg.vertices.find { |v| v.title == 'foo' }
test.must be
foo.must be
rg.path_between(test,foo).should be
end
it 'should account for default values' do
catalog = compile_to_catalog("create_resources('file', {'/etc/foo'=>{'ensure'=>'present'}, '/etc/baz'=>{'group'=>'food'}}, {'group' => 'bar'})")
catalog.resource(:file, "/etc/foo")['group'].should == 'bar'
catalog.resource(:file, "/etc/baz")['group'].should == 'food'
end
end
describe 'when dynamically creating resource types' do
it 'should be able to create defined resoure types' do
catalog = compile_to_catalog(<<-MANIFEST)
define foocreateresource($one) {
notify { $name: message => $one }
}
create_resources('foocreateresource', {'blah'=>{'one'=>'two'}})
MANIFEST
catalog.resource(:notify, "blah")['message'].should == 'two'
end
it 'should fail if defines are missing params' do
expect {
compile_to_catalog(<<-MANIFEST)
define foocreateresource($one) {
notify { $name: message => $one }
}
create_resources('foocreateresource', {'blah'=>{}})
MANIFEST
}.should raise_error(Puppet::Error, 'Must pass one to Foocreateresource[blah] on node foonode')
end
it 'should be able to add multiple defines' do
catalog = compile_to_catalog(<<-MANIFEST)
define foocreateresource($one) {
notify { $name: message => $one }
}
create_resources('foocreateresource', {'blah'=>{'one'=>'two'}, 'blaz'=>{'one'=>'three'}})
MANIFEST
catalog.resource(:notify, "blah")['message'].should == 'two'
catalog.resource(:notify, "blaz")['message'].should == 'three'
end
it 'should be able to add edges' do
catalog = compile_to_catalog(<<-MANIFEST)
define foocreateresource($one) {
notify { $name: message => $one }
}
notify { test: }
create_resources('foocreateresource', {'blah'=>{'one'=>'two', 'require' => 'Notify[test]'}})
MANIFEST
rg = catalog.to_ral.relationship_graph
test = rg.vertices.find { |v| v.title == 'test' }
blah = rg.vertices.find { |v| v.title == 'blah' }
test.must be
blah.must be
rg.path_between(test,blah).should be
catalog.resource(:notify, "blah")['message'].should == 'two'
end
it 'should account for default values' do
catalog = compile_to_catalog(<<-MANIFEST)
define foocreateresource($one) {
notify { $name: message => $one }
}
create_resources('foocreateresource', {'blah'=>{}}, {'one' => 'two'})
MANIFEST
catalog.resource(:notify, "blah")['message'].should == 'two'
end
end
describe 'when creating classes' do
it 'should be able to create classes' do
catalog = compile_to_catalog(<<-MANIFEST)
class bar($one) {
notify { test: message => $one }
}
create_resources('class', {'bar'=>{'one'=>'two'}})
MANIFEST
catalog.resource(:notify, "test")['message'].should == 'two'
catalog.resource(:class, "bar").should_not be_nil
end
it 'should fail to create non-existing classes' do
expect {
compile_to_catalog(<<-MANIFEST)
create_resources('class', {'blah'=>{'one'=>'two'}})
MANIFEST
}.should raise_error(Puppet::Error ,'could not find hostclass blah at line 1 on node foonode')
end
it 'should be able to add edges' do
catalog = compile_to_catalog(<<-MANIFEST)
class bar($one) {
notify { test: message => $one }
}
notify { tester: }
create_resources('class', {'bar'=>{'one'=>'two', 'require' => 'Notify[tester]'}})
MANIFEST
rg = catalog.to_ral.relationship_graph
test = rg.vertices.find { |v| v.title == 'test' }
tester = rg.vertices.find { |v| v.title == 'tester' }
test.must be
tester.must be
rg.path_between(tester,test).should be
end
it 'should account for default values' do
catalog = compile_to_catalog(<<-MANIFEST)
class bar($one) {
notify { test: message => $one }
}
create_resources('class', {'bar'=>{}}, {'one' => 'two'})
MANIFEST
catalog.resource(:notify, "test")['message'].should == 'two'
catalog.resource(:class, "bar").should_not be_nil
end
end
end
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