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#!/usr/bin/env ruby
require File.dirname(__FILE__) + '/../../../spec_helper'
describe Puppet::Parser::AST::Selector do
before :each do
@scope = Puppet::Parser::Scope.new()
end
describe "when evaluating" do
before :each do
@param = stub 'param'
@param.stubs(:safeevaluate).with(@scope).returns("value")
@value1 = stub 'value1'
@param1 = stub_everything 'param1'
@param1.stubs(:safeevaluate).with(@scope).returns(@param1)
@param1.stubs(:respond_to?).with(:downcase).returns(false)
@value1.stubs(:param).returns(@param1)
@value1.stubs(:value).returns(@value1)
@value2 = stub 'value2'
@param2 = stub_everything 'param2'
@param2.stubs(:safeevaluate).with(@scope).returns(@param2)
@param2.stubs(:respond_to?).with(:downcase).returns(false)
@value2.stubs(:param).returns(@param2)
@value2.stubs(:value).returns(@value2)
@values = stub 'values', :instance_of? => true
@values.stubs(:each).multiple_yields(@value1, @value2)
@selector = Puppet::Parser::AST::Selector.new :param => @param, :values => @values
@selector.stubs(:fail)
end
it "should evaluate param" do
@param.expects(:safeevaluate).with(@scope)
@selector.evaluate(@scope)
end
it "should downcase the evaluated param value if allowed" do
Puppet.stubs(:[]).with(:casesensitive).returns(false)
value = stub 'param'
@param.stubs(:safeevaluate).with(@scope).returns(value)
value.expects(:downcase)
@selector.evaluate(@scope)
end
it "should scan each option" do
@values.expects(:each).multiple_yields(@value1, @value2)
@selector.evaluate(@scope)
end
describe "when scanning values" do
it "should evaluate first matching option" do
@param2.stubs(:evaluate_match).with { |*arg| arg[0] == "value" }.returns(true)
@value2.expects(:safeevaluate).with(@scope)
@selector.evaluate(@scope)
end
it "should return the first matching evaluated option" do
@param2.stubs(:evaluate_match).with { |*arg| arg[0] == "value" }.returns(true)
@value2.stubs(:safeevaluate).with(@scope).returns(:result)
@selector.evaluate(@scope).should == :result
end
it "should evaluate the default option if none matched" do
@param1.stubs(:is_a?).with(Puppet::Parser::AST::Default).returns(true)
@value1.expects(:safeevaluate).with(@scope).returns(@param1)
@selector.evaluate(@scope)
end
it "should return the default evaluated option if none matched" do
result = stub 'result'
@param1.stubs(:is_a?).with(Puppet::Parser::AST::Default).returns(true)
@value1.stubs(:safeevaluate).returns(result)
@selector.evaluate(@scope).should == result
end
it "should return nil if nothing matched" do
@selector.evaluate(@scope).should be_nil
end
it "should delegate matching to evaluate_match" do
@param1.expects(:evaluate_match).with { |*arg| arg[0] == "value" and arg[1] == @scope }
@selector.evaluate(@scope)
end
it "should transmit the sensitive parameter to evaluate_match" do
Puppet.stubs(:[]).with(:casesensitive).returns(:sensitive)
@param1.expects(:evaluate_match).with { |*arg| arg[2][:sensitive] == :sensitive }
@selector.evaluate(@scope)
end
it "should transmit the AST file and line to evaluate_match" do
@selector.file = :file
@selector.line = :line
@param1.expects(:evaluate_match).with { |*arg| arg[2][:file] == :file and arg[2][:line] == :line }
@selector.evaluate(@scope)
end
it "should evaluate the matching param" do
@param1.stubs(:evaluate_match).with { |*arg| arg[0] == "value" and arg[1] == @scope }.returns(true)
@value1.expects(:safeevaluate).with(@scope)
@selector.evaluate(@scope)
end
it "should return this evaluated option if it matches" do
@param1.stubs(:evaluate_match).with { |*arg| arg[0] == "value" and arg[1] == @scope }.returns(true)
@value1.stubs(:safeevaluate).with(@scope).returns(:result)
@selector.evaluate(@scope).should == :result
end
it "should unset scope ephemeral variables after option evaluation" do
@param1.stubs(:evaluate_match).with { |*arg| arg[0] == "value" and arg[1] == @scope }.returns(true)
@value1.stubs(:safeevaluate).with(@scope).returns(:result)
@scope.expects(:unset_ephemeral_var)
@selector.evaluate(@scope)
end
it "should not leak ephemeral variables even if evaluation fails" do
@param1.stubs(:evaluate_match).with { |*arg| arg[0] == "value" and arg[1] == @scope }.returns(true)
@value1.stubs(:safeevaluate).with(@scope).raises
@scope.expects(:unset_ephemeral_var)
lambda { @selector.evaluate(@scope) }.should raise_error
end
it "should fail if there is no default" do
@selector.expects(:fail)
@selector.evaluate(@scope)
end
end
end
end
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