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https://github.com/pry/pry.git
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caeb6b58b6
We should not rely on default commands, because they can be removed or shuffled around in the future. Use our custom command in the tests. Also, add a test that ensures that a group does not disappear after the call without parameters. Reported-by: John Mair <jrmair@gmail.com> Signed-off-by: Kyrylo Silin <kyrylosilin@gmail.com>
720 lines
23 KiB
Ruby
720 lines
23 KiB
Ruby
require 'helper'
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describe "Pry::Command" do
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before do
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@set = Pry::CommandSet.new
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@set.import Pry::DefaultCommands::Help
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end
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describe 'call_safely' do
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it 'should display a message if gems are missing' do
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cmd = @set.create_command "ford-prefect", "From a planet near Beetlegeuse", :requires_gem => %w(ghijkl) do
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#
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end
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mock_command(cmd, %w(hello world)).output.should =~ /install-command ford-prefect/
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end
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it 'should abort early if arguments are required' do
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cmd = @set.create_command 'arthur-dent', "Doesn't understand Thursdays", :argument_required => true do
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#
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end
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lambda {
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mock_command(cmd, %w())
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}.should.raise(Pry::CommandError)
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end
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it 'should return VOID without keep_retval' do
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cmd = @set.create_command 'zaphod-beeblebrox', "Likes pan-Galactic Gargle Blasters" do
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def process
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3
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end
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end
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mock_command(cmd).return.should == Pry::Command::VOID_VALUE
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end
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it 'should return the return value with keep_retval' do
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cmd = @set.create_command 'tricia-mcmillian', "a.k.a Trillian", :keep_retval => true do
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def process
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5
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end
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end
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mock_command(cmd).return.should == 5
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end
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it 'should call hooks in the right order' do
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cmd = @set.create_command 'marvin', "Pained by the diodes in his left side" do
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def process
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output.puts 3 + args[0].to_i
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end
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end
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@set.before_command 'marvin' do |i|
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output.puts 2 + i.to_i
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end
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@set.before_command 'marvin' do |i|
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output.puts 1 + i.to_i
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end
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@set.after_command 'marvin' do |i|
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output.puts 4 + i.to_i
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end
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@set.after_command 'marvin' do |i|
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output.puts 5 + i.to_i
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end
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mock_command(cmd, %w(2)).output.should == "3\n4\n5\n6\n7\n"
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end
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# TODO: This strikes me as rather silly...
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it 'should return the value from the last hook with keep_retval' do
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cmd = @set.create_command 'slartibartfast', "Designs Fjords", :keep_retval => true do
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def process
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22
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end
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end
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@set.after_command 'slartibartfast' do
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10
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end
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mock_command(cmd).return.should == 10
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end
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end
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describe 'help' do
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it 'should default to the description for blocky commands' do
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@set.command 'oolon-colluphid', "Raving Atheist" do
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#
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end
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mock_command(@set.commands['help'], %w(oolon-colluphid), :command_set => @set).output.should =~ /Raving Atheist/
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end
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it 'should use slop to generate the help for classy commands' do
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@set.create_command 'eddie', "The ship-board computer" do
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def options(opt)
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opt.banner "Over-cheerful, and makes a ticking noise."
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end
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end
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mock_command(@set.commands['help'], %w(eddie), :command_set => @set).output.should =~ /Over-cheerful/
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end
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it 'should provide --help for classy commands' do
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cmd = @set.create_command 'agrajag', "Killed many times by Arthur" do
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def options(opt)
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opt.on :r, :retaliate, "Try to get Arthur back"
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end
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end
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mock_command(cmd, %w(--help)).output.should =~ /--retaliate/
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end
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it 'should provide a -h for classy commands' do
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cmd = @set.create_command 'zarniwoop', "On an intergalactic cruise, in his office." do
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def options(opt)
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opt.on :e, :escape, "Help zaphod escape the Total Perspective Vortex"
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end
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end
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mock_command(cmd, %w(--help)).output.should =~ /Total Perspective Vortex/
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end
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it 'should use the banner provided' do
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cmd = @set.create_command 'deep-thought', "The second-best computer ever" do
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banner <<-BANNER
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Who's merest operational parameters, I am not worthy to compute.
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BANNER
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end
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mock_command(cmd, %w(--help)).output.should =~ /Who\'s merest/
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end
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end
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describe 'context' do
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context = {
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:target => binding,
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:output => StringIO.new,
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:eval_string => "eval-string",
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:command_set => @set,
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:pry_instance => Object.new
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}
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it 'should capture lots of stuff from the hash passed to new before setup' do
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cmd = @set.create_command 'fenchurch', "Floats slightly off the ground" do
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define_method(:setup) do
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self.context.should == context
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target.should == context[:target]
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target_self.should == context[:target].eval('self')
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output.should == context[:output]
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end
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define_method(:process) do
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eval_string.should == "eval-string"
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command_set.should == @set
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_pry_.should == context[:pry_instance]
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end
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end
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cmd.new(context).call
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end
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end
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describe 'classy api' do
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it 'should call setup, then options, then process' do
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cmd = @set.create_command 'rooster', "Has a tasty towel" do
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def setup
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output.puts "setup"
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end
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def options(opt)
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output.puts "options"
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end
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def process
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output.puts "process"
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end
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end
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mock_command(cmd).output.should == "setup\noptions\nprocess\n"
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end
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it 'should raise a command error if process is not overridden' do
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cmd = @set.create_command 'jeltz', "Commander of a Vogon constructor fleet" do
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def proccces
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#
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end
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end
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lambda {
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mock_command(cmd)
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}.should.raise(Pry::CommandError)
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end
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it 'should work if neither options, nor setup is overridden' do
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cmd = @set.create_command 'wowbagger', "Immortal, insulting.", :keep_retval => true do
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def process
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5
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end
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end
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mock_command(cmd).return.should == 5
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end
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it 'should provide opts and args as provided by slop' do
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cmd = @set.create_command 'lintilla', "One of 800,000,000 clones" do
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def options(opt)
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opt.on :f, :four, "A numeric four", :as => Integer, :optional_argument => true
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end
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def process
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args.should == ['four']
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opts[:f].should == 4
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end
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end
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mock_command(cmd, %w(--four 4 four))
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end
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it 'should allow overriding options after definition' do
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cmd = @set.create_command /number-(one|two)/, "Lieutenants of the Golgafrinchan Captain", :shellwords => false do
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command_options :listing => 'number-one'
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end
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cmd.command_options[:shellwords].should == false
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cmd.command_options[:listing].should == 'number-one'
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end
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end
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describe 'tokenize' do
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it 'should interpolate string with #{} in them' do
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cmd = @set.command 'random-dent' do |*args|
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args.should == ["3", "8"]
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end
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foo = 5
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cmd.new(:target => binding).process_line 'random-dent #{1 + 2} #{3 + foo}'
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end
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it 'should not fail if interpolation is not needed and target is not set' do
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cmd = @set.command 'the-book' do |*args|
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args.should == ['--help']
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end
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cmd.new.process_line 'the-book --help'
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end
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it 'should not interpolate commands with :interpolate => false' do
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cmd = @set.command 'thor', 'norse god', :interpolate => false do |*args|
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args.should == ['%(#{foo})']
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end
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cmd.new.process_line 'thor %(#{foo})'
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end
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it 'should use shell-words to split strings' do
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cmd = @set.command 'eccentrica' do |*args|
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args.should == ['gallumbits', 'eroticon', '6']
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end
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cmd.new.process_line %(eccentrica "gallumbits" 'erot''icon' 6)
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end
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it 'should split on spaces if shellwords is not used' do
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cmd = @set.command 'bugblatter-beast', 'would eat its grandmother', :shellwords => false do |*args|
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args.should == ['"of', 'traal"']
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end
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cmd.new.process_line %(bugblatter-beast "of traal")
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end
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it 'should add captures to arguments for regex commands' do
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cmd = @set.command /perfectly (normal)( beast)?/i do |*args|
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args.should == ['Normal', ' Beast', '(honest!)']
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end
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cmd.new.process_line %(Perfectly Normal Beast (honest!))
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end
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end
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describe 'process_line' do
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it 'should check for command name collisions if configured' do
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old = Pry.config.collision_warning
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Pry.config.collision_warning = true
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cmd = @set.command 'frankie' do
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end
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frankie = 'boyle'
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output = StringIO.new
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cmd.new(:target => binding, :output => output).process_line %(frankie mouse)
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output.string.should =~ /command .* conflicts/
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Pry.config.collision_warning = old
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end
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it 'should spot collision warnings on assignment if configured' do
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old = Pry.config.collision_warning
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Pry.config.collision_warning = true
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cmd = @set.command 'frankie' do
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end
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output = StringIO.new
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cmd.new(:target => binding, :output => output).process_line %(frankie = mouse)
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output.string.should =~ /command .* conflicts/
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Pry.config.collision_warning = old
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end
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it "should set the commands' arg_string and captures" do
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cmd = @set.command /benj(ie|ei)/ do |*args|
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self.arg_string.should == "mouse"
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self.captures.should == ['ie']
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args.should == ['ie', 'mouse']
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end
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cmd.new.process_line %(benjie mouse)
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end
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it "should raise an error if the line doesn't match the command" do
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cmd = @set.command 'grunthos', 'the flatulent'
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lambda {
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cmd.new.process_line %(grumpos)
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}.should.raise(Pry::CommandError)
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end
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end
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describe "block parameters" do
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before do
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@context = Object.new
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@set.command "walking-spanish", "down the hall", :takes_block => true do
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inject_var(:@x, command_block.call, target)
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end
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@set.import Pry::Commands
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end
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it 'should accept multiline blocks' do
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redirect_pry_io(InputTester.new("walking-spanish | do",
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" :jesus",
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"end",
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"exit-all"), out = StringIO.new) do
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Pry.start @context, :commands => @set
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end
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@context.instance_variable_get(:@x).should == :jesus
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end
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it 'should accept normal parameters along with block' do
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@set.block_command "walking-spanish", "litella's been screeching for a blind pig.", :takes_block => true do |x, y|
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inject_var(:@x, x, target)
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inject_var(:@y, y, target)
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inject_var(:@block_var, command_block.call, target)
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end
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redirect_pry_io(InputTester.new("walking-spanish john carl| { :jesus }",
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"exit-all")) do
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Pry.start @context, :commands => @set
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end
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@context.instance_variable_get(:@x).should == "john"
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@context.instance_variable_get(:@y).should == "carl"
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@context.instance_variable_get(:@block_var).should == :jesus
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end
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describe "single line blocks" do
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it 'should accept blocks with do ; end' do
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redirect_pry_io(InputTester.new("walking-spanish | do ; :jesus; end",
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"exit-all"), out = StringIO.new) do
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Pry.start @context, :commands => @set
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end
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@context.instance_variable_get(:@x).should == :jesus
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end
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it 'should accept blocks with do; end' do
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redirect_pry_io(InputTester.new("walking-spanish | do; :jesus; end",
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"exit-all"), out = StringIO.new) do
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Pry.start @context, :commands => @set
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end
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@context.instance_variable_get(:@x).should == :jesus
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end
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it 'should accept blocks with { }' do
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redirect_pry_io(InputTester.new("walking-spanish | { :jesus }",
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"exit-all"), out = StringIO.new) do
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Pry.start @context, :commands => @set
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end
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@context.instance_variable_get(:@x).should == :jesus
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end
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end
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describe "block-related content removed from arguments" do
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describe "arg_string" do
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it 'should remove block-related content from arg_string (with one normal arg)' do
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@set.block_command "walking-spanish", "down the hall", :takes_block => true do |x, y|
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inject_var(:@arg_string, arg_string, target)
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inject_var(:@x, x, target)
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end
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redirect_pry_io(InputTester.new("walking-spanish john| { :jesus }",
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"exit-all")) do
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Pry.start @context, :commands => @set
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end
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@context.instance_variable_get(:@arg_string).should == @context.instance_variable_get(:@x)
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end
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it 'should remove block-related content from arg_string (with no normal args)' do
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@set.block_command "walking-spanish", "down the hall", :takes_block => true do
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inject_var(:@arg_string, arg_string, target)
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end
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redirect_pry_io(InputTester.new("walking-spanish | { :jesus }",
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"exit-all")) do
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Pry.start @context, :commands => @set
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end
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@context.instance_variable_get(:@arg_string).should == ""
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end
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it 'should NOT remove block-related content from arg_string when :takes_block => false' do
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block_string = "| { :jesus }"
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@set.block_command "walking-spanish", "homemade special", :takes_block => false do
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inject_var(:@arg_string, arg_string, target)
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end
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redirect_pry_io(InputTester.new("walking-spanish #{block_string}",
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"exit-all")) do
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Pry.start @context, :commands => @set
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end
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@context.instance_variable_get(:@arg_string).should == block_string
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end
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end
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describe "args" do
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describe "block_command" do
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it "should remove block-related content from arguments" do
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@set.block_command "walking-spanish", "glass is full of sand", :takes_block => true do |x, y|
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inject_var(:@x, x, target)
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inject_var(:@y, y, target)
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end
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redirect_pry_io(InputTester.new("walking-spanish | { :jesus }",
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"exit-all"), out = StringIO.new) do
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Pry.start @context, :commands => @set
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end
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@context.instance_variable_get(:@x).should == nil
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@context.instance_variable_get(:@y).should == nil
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end
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it "should NOT remove block-related content from arguments if :takes_block => false" do
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@set.block_command "walking-spanish", "litella screeching for a blind pig", :takes_block => false do |x, y|
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inject_var(:@x, x, target)
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inject_var(:@y, y, target)
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end
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redirect_pry_io(InputTester.new("walking-spanish | { :jesus }",
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"exit-all"), out = StringIO.new) do
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Pry.start @context, :commands => @set
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end
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@context.instance_variable_get(:@x).should == "|"
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@context.instance_variable_get(:@y).should == "{"
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end
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end
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describe "create_command" do
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it "should remove block-related content from arguments" do
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@set.create_command "walking-spanish", "punk sanders carved one out of wood", :takes_block => true do
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def process(x, y)
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inject_var(:@x, x, target)
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inject_var(:@y, y, target)
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end
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end
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redirect_pry_io(InputTester.new("walking-spanish | { :jesus }",
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"exit-all"), out = StringIO.new) do
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Pry.start @context, :commands => @set
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end
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@context.instance_variable_get(:@x).should == nil
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@context.instance_variable_get(:@y).should == nil
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end
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it "should NOT remove block-related content from arguments if :takes_block => false" do
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@set.create_command "walking-spanish", "down the hall", :takes_block => false do
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def process(x, y)
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inject_var(:@x, x, target)
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inject_var(:@y, y, target)
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end
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end
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redirect_pry_io(InputTester.new("walking-spanish | { :jesus }",
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"exit-all")) do
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Pry.start @context, :commands => @set
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end
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@context.instance_variable_get(:@x).should == "|"
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@context.instance_variable_get(:@y).should == "{"
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end
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end
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end
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end
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describe "blocks can take parameters" do
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describe "{} style blocks" do
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it 'should accept multiple parameters' do
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@set.block_command "walking-spanish", "down the hall", :takes_block => true do
|
|
inject_var(:@x, command_block.call(1, 2), target)
|
|
end
|
|
|
|
redirect_pry_io(InputTester.new("walking-spanish | { |x, y| [x, y] }",
|
|
"exit-all")) do
|
|
Pry.start @context, :commands => @set
|
|
end
|
|
@context.instance_variable_get(:@x).should == [1, 2]
|
|
end
|
|
end
|
|
|
|
describe "do/end style blocks" do
|
|
it 'should accept multiple parameters' do
|
|
@set.create_command "walking-spanish", "litella", :takes_block => true do
|
|
def process
|
|
inject_var(:@x, command_block.call(1, 2), target)
|
|
end
|
|
end
|
|
|
|
redirect_pry_io(InputTester.new("walking-spanish | do |x, y|",
|
|
" [x, y]",
|
|
"end",
|
|
"exit-all")) do
|
|
Pry.start @context, :commands => @set
|
|
end
|
|
@context.instance_variable_get(:@x).should == [1, 2]
|
|
end
|
|
end
|
|
end
|
|
|
|
describe "closure behaviour" do
|
|
it 'should close over locals in the definition context' do
|
|
redirect_pry_io(InputTester.new("var = :hello",
|
|
"walking-spanish | { var }",
|
|
"exit-all")) do
|
|
Pry.start @context, :commands => @set
|
|
end
|
|
@context.instance_variable_get(:@x).should == :hello
|
|
end
|
|
end
|
|
|
|
describe "exposing block parameter" do
|
|
describe "block_command" do
|
|
it "should expose block in command_block method" do
|
|
@set.block_command "walking-spanish", "glass full of sand", :takes_block => true do
|
|
inject_var(:@x, command_block.call, target)
|
|
end
|
|
redirect_pry_io(InputTester.new("walking-spanish | { :jesus }",
|
|
"exit-all")) do
|
|
Pry.start @context, :commands => @set
|
|
end
|
|
@context.instance_variable_get(:@x).should == :jesus
|
|
end
|
|
end
|
|
|
|
describe "create_command" do
|
|
it "should NOT expose &block in create_command's process method" do
|
|
@set.create_command "walking-spanish", "down the hall", :takes_block => true do
|
|
def process(&block)
|
|
inject_var(:@x, block.call, target)
|
|
end
|
|
end
|
|
redirect_pry_io(InputTester.new("walking-spanish | { :jesus }",
|
|
"exit-all")) do
|
|
Pry.start @context, :commands => @set
|
|
end
|
|
@context.instance_variable_get(:@x).should == nil
|
|
end
|
|
|
|
it "should expose block in command_block method" do
|
|
@set.create_command "walking-spanish", "homemade special", :takes_block => true do
|
|
def process
|
|
inject_var(:@x, command_block.call, target)
|
|
end
|
|
end
|
|
redirect_pry_io(InputTester.new("walking-spanish | { :jesus }",
|
|
"exit-all"), out = StringIO.new) do
|
|
Pry.start @context, :commands => @set
|
|
end
|
|
@context.instance_variable_get(:@x).should == :jesus
|
|
end
|
|
end
|
|
end
|
|
end
|
|
|
|
describe "commands made with custom sub-classes" do
|
|
before do
|
|
|
|
class MyTestCommand < Pry::ClassCommand
|
|
match /my-*test/
|
|
description "So just how many sound technicians does it take to change a lightbulb? 1? 2? 3? 1-2-3? Testing?"
|
|
options :shellwords => false, :listing => "my-test"
|
|
|
|
def process
|
|
output.puts command_name * 2
|
|
end
|
|
end
|
|
|
|
Pry.commands.add_command MyTestCommand
|
|
end
|
|
|
|
after do
|
|
Pry.commands.delete 'my-test'
|
|
end
|
|
|
|
it "should allow creating custom sub-classes of Pry::Command" do
|
|
mock_pry("my---test").should =~ /my-testmy-test/
|
|
end
|
|
|
|
it "should show the source of the process method" do
|
|
mock_pry("show-command my-test").should =~ /output.puts command_name/
|
|
end
|
|
end
|
|
|
|
describe "commands can save state" do
|
|
before do
|
|
@set = Pry::CommandSet.new do
|
|
create_command "litella", "desc" do
|
|
def process
|
|
state.my_state ||= 0
|
|
state.my_state += 1
|
|
end
|
|
end
|
|
|
|
create_command "sanders", "desc" do
|
|
def process
|
|
state.my_state = "wood"
|
|
end
|
|
end
|
|
|
|
create_command /[Hh]ello-world/, "desc" do
|
|
def process
|
|
state.my_state ||= 0
|
|
state.my_state += 2
|
|
end
|
|
end
|
|
|
|
end.import Pry::Commands
|
|
end
|
|
|
|
it 'should save state for the command on the Pry#command_state hash' do
|
|
instance = nil
|
|
redirect_pry_io(InputTester.new("litella",
|
|
"exit-all")) do
|
|
instance = Pry.new(:commands => @set)
|
|
instance.repl
|
|
end
|
|
|
|
instance.command_state["litella"].my_state.should == 1
|
|
end
|
|
|
|
it 'should ensure state is maintained between multiple invocations of command' do
|
|
instance = nil
|
|
redirect_pry_io(InputTester.new("litella", "litella",
|
|
"exit-all")) do
|
|
instance = Pry.new(:commands => @set)
|
|
instance.repl
|
|
end
|
|
|
|
instance.command_state["litella"].my_state.should == 2
|
|
end
|
|
|
|
it 'should ensure state with same name stored seperately for each command' do
|
|
instance = nil
|
|
redirect_pry_io(InputTester.new("litella", "sanders", "exit-all")) do
|
|
instance = Pry.new(:commands => @set)
|
|
instance.repl
|
|
end
|
|
|
|
instance.command_state["litella"].my_state.should == 1
|
|
instance.command_state["sanders"].my_state.should =="wood"
|
|
end
|
|
|
|
it 'should ensure state is properly saved for regex commands' do
|
|
instance = nil
|
|
redirect_pry_io(InputTester.new("hello-world", "Hello-world", "exit-all")) do
|
|
instance = Pry.new(:commands => @set)
|
|
instance.repl
|
|
end
|
|
|
|
instance.command_state[/[Hh]ello-world/].my_state.should == 4
|
|
end
|
|
end
|
|
|
|
describe 'group' do
|
|
before do
|
|
@set.import(
|
|
Pry::CommandSet.new do
|
|
create_command("magic") { group("Not for a public use") }
|
|
end
|
|
)
|
|
end
|
|
|
|
it 'should be correct for default commands' do
|
|
@set.commands["help"].group.should == "Help"
|
|
end
|
|
|
|
it 'should not change once it is initialized' do
|
|
@set.commands["magic"].group("-==CD COMMAND==-")
|
|
@set.commands["magic"].group.should == "Not for a public use"
|
|
end
|
|
|
|
it 'should not disappear after the call without parameters' do
|
|
@set.commands["magic"].group
|
|
@set.commands["magic"].group.should == "Not for a public use"
|
|
end
|
|
end
|
|
end
|