spec/unit/optionparser_spec.rb

   1 #!/usr/bin/env rspec
   2
   3 require 'spec_helper'
   4
   5 module MCollective
   6   describe Optionparser do
   7     describe "#initialize" do
   8       it "should store the included list as an array" do
   9         parser = Optionparser.new({}, "included")
  10         parser.instance_variable_get("@include").should == ["included"]
  11
  12         parser = Optionparser.new({}, ["included"])
  13         parser.instance_variable_get("@include").should == ["included"]
  14       end
  15
  16       it "should store the excluded list as an array" do
  17         parser = Optionparser.new({}, "", "excluded")
  18         parser.instance_variable_get("@exclude").should == ["excluded"]
  19
  20         parser = Optionparser.new({}, "", ["excluded"])
  21         parser.instance_variable_get("@exclude").should == ["excluded"]
  22       end
  23
  24       it "should gather default options" do
  25         Util.expects(:default_options).returns({})
  26         Optionparser.new({})
  27       end
  28
  29       it "should merge supplied options with defaults" do
  30         defaults = {}
  31         supplied = {}
  32
  33         Util.expects(:default_options).returns(defaults)
  34         defaults.expects(:merge!).with(supplied)
  35
  36         Optionparser.new(supplied)
  37       end
  38     end
  39
  40     describe "#parse" do
  41       it "should yield to the caller" do
  42         parser = Optionparser.new(defaults={:default => 1})
  43
  44         block_ran = false
  45
  46         parser.parse do |p, o|
  47           p.class.should == OptionParser
  48           o.should == Util.default_options.merge(defaults)
  49           block_ran = true
  50         end
  51
  52         block_ran.should == true
  53       end
  54
  55       it "should add required options" do
  56         parser = Optionparser.new(defaults={:default => 1})
  57         parser.expects(:add_required_options)
  58         parser.parse
  59       end
  60
  61       it "should optionally add common options" do
  62         parser = Optionparser.new(defaults={:default => 1})
  63         parser.stubs(:add_required_options)
  64         parser.expects(:add_common_options)
  65         parser.parse
  66
  67         parser = Optionparser.new(defaults={:default => 1}, "", "common")
  68         parser.stubs(:add_required_options)
  69         parser.expects(:add_common_options).never
  70         parser.parse
  71       end
  72
  73       it "should support adding arbitrary named sections of options" do
  74         parser = Optionparser.new(defaults={:default => 1}, "filter")
  75         parser.stubs(:add_required_options)
  76         parser.stubs(:add_common_options)
  77         parser.expects(:add_filter_options)
  78         parser.parse
  79       end
  80
  81       it "should support excluding sections that was specifically included" do
  82         parser = Optionparser.new(defaults={:default => 1}, "filter", "filter")
  83         parser.stubs(:add_required_options)
  84         parser.stubs(:add_common_options)
  85         parser.expects(:add_filter_options).never
  86         parser.parse
  87       end
  88
  89       it "should parse MCOLLECTIVE_EXTRA_OPTS" do
  90         ENV["MCOLLECTIVE_EXTRA_OPTS"] = "--dt 999"
  91         @parser = Optionparser.new
  92         @parser.parse[:disctimeout].should == 999
  93         ENV.delete("MCOLLECTIVE_EXTRA_OPTS")
  94       end
  95
  96       it "should not set the active collective from the config class if given on the cli" do
  97         parser = Optionparser.new(defaults={:collective => "rspec"})
  98         parser.stubs(:add_required_options)
  99         parser.stubs(:add_common_options)
 100         Config.instance.expects(:main_collective).never
 101         parser.parse
 102       end
 103
 104       it "should set the active collective from the config class if not given on the cli" do
 105         parser = Optionparser.new(defaults={})
 106         parser.stubs(:add_required_options)
 107         parser.stubs(:add_common_options)
 108         Config.instance.expects(:main_collective).returns(:rspec).once
 109         parser.parse[:collective].should == :rspec
 110       end
 111     end
 112   end
 113 end