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#!/usr/bin/env ruby
require 'spec_helper'
require 'puppet/util/monkey_patches'
describe "yaml deserialization" do
it "should call yaml_initialize when deserializing objects that have that method defined" do
class Puppet::TestYamlInitializeClass
attr_reader :foo
def yaml_initialize(tag, var)
var.should == {'foo' => 100}
instance_variables.should == []
@foo = 200
end
end
obj = YAML.load("--- !ruby/object:Puppet::TestYamlInitializeClass\n foo: 100")
obj.foo.should == 200
end
it "should not call yaml_initialize if not defined" do
class Puppet::TestYamlNonInitializeClass
attr_reader :foo
end
obj = YAML.load("--- !ruby/object:Puppet::TestYamlNonInitializeClass\n foo: 100")
obj.foo.should == 100
end
end
# In Ruby > 1.8.7 this is a builtin, otherwise we monkey patch the method in
describe "Array#combination" do
it "should fail if wrong number of arguments given" do
lambda { [1,2,3].combination() }.should raise_error(ArgumentError, /wrong number/)
lambda { [1,2,3].combination(1,2) }.should raise_error(ArgumentError, /wrong number/)
end
it "should return an empty array if combo size than array size or negative" do
[1,2,3].combination(4).to_a.should == []
[1,2,3].combination(-1).to_a.should == []
end
it "should return an empty array with an empty array if combo size == 0" do
[1,2,3].combination(0).to_a.should == [[]]
end
it "should all provide all combinations of size passed in" do
[1,2,3,4].combination(1).to_a.should == [[1], [2], [3], [4]]
[1,2,3,4].combination(2).to_a.should == [[1, 2], [1, 3], [1, 4], [2, 3], [2, 4], [3, 4]]
[1,2,3,4].combination(3).to_a.should == [[1, 2, 3], [1, 2, 4], [1, 3, 4], [2, 3, 4]]
end
end
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