Contents

#! /usr/bin/env ruby
require 'spec_helper'

describe Puppet::Parser::AST::BlockExpression do
  class StackDepthAST < Puppet::Parser::AST
    attr_reader :call_depth
    def evaluate(*options)
      @call_depth = caller.length
    end
  end

  NO_SCOPE = nil

  def depth_probe
    StackDepthAST.new({})
  end

  def sequence_probe(name, sequence)
    probe = mock("Sequence Probe #{name}")
    probe.expects(:safeevaluate).in_sequence(sequence)
    probe
  end

  def block_of(children)
    Puppet::Parser::AST::BlockExpression.new(:children => children)
  end

  def assert_all_at_same_depth(*probes)
    depth0 = probes[0].call_depth
    probes.drop(1).each do |p|
      p.call_depth.should == depth0
    end
  end

  it "evaluates all its children at the same stack depth" do
    depth_probes = [depth_probe, depth_probe]
    expr = block_of(depth_probes)

    expr.evaluate(NO_SCOPE)

    assert_all_at_same_depth(*depth_probes)
  end

  it "evaluates sequenced children at the same stack depth" do
    depth1 = depth_probe
    depth2 = depth_probe
    depth3 = depth_probe

    expr1 = block_of([depth1])
    expr2 = block_of([depth2])
    expr3 = block_of([depth3])

    expr1.sequence_with(expr2).sequence_with(expr3).evaluate(NO_SCOPE)

    assert_all_at_same_depth(depth1, depth2, depth3)
  end

  it "evaluates sequenced children in order" do
    evaluation_order = sequence("Child evaluation order")
    expr1 = block_of([sequence_probe("Step 1", evaluation_order)])
    expr2 = block_of([sequence_probe("Step 2", evaluation_order)])
    expr3 = block_of([sequence_probe("Step 3", evaluation_order)])

    expr1.sequence_with(expr2).sequence_with(expr3).evaluate(NO_SCOPE)
  end
end

Version data entries

74 entries across 74 versions & 1 rubygems

Version	Path
puppet-3.8.7	spec/unit/parser/ast/block_expression_spec.rb
puppet-3.8.7-x86-mingw32	spec/unit/parser/ast/block_expression_spec.rb
puppet-3.8.7-x64-mingw32	spec/unit/parser/ast/block_expression_spec.rb
puppet-3.8.6	spec/unit/parser/ast/block_expression_spec.rb
puppet-3.8.6-x86-mingw32	spec/unit/parser/ast/block_expression_spec.rb
puppet-3.8.6-x64-mingw32	spec/unit/parser/ast/block_expression_spec.rb
puppet-3.8.5	spec/unit/parser/ast/block_expression_spec.rb
puppet-3.8.5-x86-mingw32	spec/unit/parser/ast/block_expression_spec.rb
puppet-3.8.5-x64-mingw32	spec/unit/parser/ast/block_expression_spec.rb
puppet-3.8.4	spec/unit/parser/ast/block_expression_spec.rb
puppet-3.8.4-x86-mingw32	spec/unit/parser/ast/block_expression_spec.rb
puppet-3.8.4-x64-mingw32	spec/unit/parser/ast/block_expression_spec.rb
puppet-3.8.3	spec/unit/parser/ast/block_expression_spec.rb
puppet-3.8.3-x86-mingw32	spec/unit/parser/ast/block_expression_spec.rb
puppet-3.8.3-x64-mingw32	spec/unit/parser/ast/block_expression_spec.rb
puppet-3.8.2	spec/unit/parser/ast/block_expression_spec.rb
puppet-3.8.2-x86-mingw32	spec/unit/parser/ast/block_expression_spec.rb
puppet-3.8.2-x64-mingw32	spec/unit/parser/ast/block_expression_spec.rb
puppet-3.8.1	spec/unit/parser/ast/block_expression_spec.rb
puppet-3.8.1-x86-mingw32	spec/unit/parser/ast/block_expression_spec.rb