require 'helper' describe "test Pry defaults" do after do Pry.reset_defaults Pry.color = false end describe "input" do after do Pry.reset_defaults Pry.color = false end it 'should set the input default, and the default should be overridable' do Pry.input = InputTester.new("5") str_output = StringIO.new Pry.output = str_output Pry.new.rep str_output.string.should =~ /5/ Pry.new(:input => InputTester.new("6")).rep str_output.string.should =~ /6/ end it 'should pass in the prompt if readline arity is 1' do Pry.prompt = proc { "A" } arity_one_input = Class.new do attr_accessor :prompt def readline(prompt) @prompt = prompt "exit-all" end end.new Pry.start(self, :input => arity_one_input, :output => Pry::NullOutput) arity_one_input.prompt.should == Pry.prompt.call end it 'should not pass in the prompt if the arity is 0' do Pry.prompt = proc { "A" } arity_zero_input = Class.new do def readline "exit-all" end end.new lambda { Pry.start(self, :input => arity_zero_input, :output => Pry::NullOutput) }.should.not.raise Exception end it 'should not pass in the prompt if the arity is -1' do Pry.prompt = proc { "A" } arity_multi_input = Class.new do attr_accessor :prompt def readline(*args) @prompt = args.first "exit-all" end end.new Pry.start(self, :input => arity_multi_input, :output => Pry::NullOutput) arity_multi_input.prompt.should == nil end end it 'should set the output default, and the default should be overridable' do Pry.input = InputTester.new("5", "6", "7") str_output = StringIO.new Pry.output = str_output Pry.new.rep str_output.string.should =~ /5/ Pry.new.rep str_output.string.should =~ /5\n.*6/ str_output2 = StringIO.new Pry.new(:output => str_output2).rep str_output2.string.should.not =~ /5\n.*6/ str_output2.string.should =~ /7/ end it "should set the print default, and the default should be overridable" do new_print = proc { |out, value| out.puts value } Pry.print = new_print Pry.new.print.should == Pry.print str_output = StringIO.new Pry.new(:input => InputTester.new("\"test\""), :output => str_output).rep str_output.string.should == "test\n" str_output = StringIO.new Pry.new(:input => InputTester.new("\"test\""), :output => str_output, :print => proc { |out, value| out.puts value.reverse }).rep str_output.string.should == "tset\n" Pry.new.print.should == Pry.print str_output = StringIO.new Pry.new(:input => InputTester.new("\"test\""), :output => str_output).rep str_output.string.should == "test\n" end describe "pry return values" do it 'should return nil' do Pry.start(self, :input => StringIO.new("exit-all"), :output => Pry::NullOutput).should == nil end it 'should return the parameter given to exit-all' do Pry.start(self, :input => StringIO.new("exit-all 10"), :output => Pry::NullOutput).should == 10 end it 'should return the parameter (multi word string) given to exit-all' do Pry.start(self, :input => StringIO.new("exit-all \"john mair\""), :output => Pry::NullOutput).should == "john mair" end it 'should return the parameter (function call) given to exit-all' do Pry.start(self, :input => StringIO.new("exit-all 'abc'.reverse"), :output => Pry::NullOutput).should == 'cba' end it 'should return the parameter (self) given to exit-all' do Pry.start("carl", :input => StringIO.new("exit-all self"), :output => Pry::NullOutput).should == "carl" end end describe "prompts" do before do @empty_input_buffer = "" @non_empty_input_buffer = "def hello" @context = Pry.binding_for(0) end it 'should set the prompt default, and the default should be overridable (single prompt)' do new_prompt = proc { "test prompt> " } Pry.prompt = new_prompt Pry.new.prompt.should == Pry.prompt Pry.new.select_prompt(@empty_input_buffer, @context).should == "test prompt> " Pry.new.select_prompt(@non_empty_input_buffer, @context).should == "test prompt> " new_prompt = proc { "A" } pry_tester = Pry.new(:prompt => new_prompt) pry_tester.prompt.should == new_prompt pry_tester.select_prompt(@empty_input_buffer, @context).should == "A" pry_tester.select_prompt(@non_empty_input_buffer, @context).should == "A" Pry.new.prompt.should == Pry.prompt Pry.new.select_prompt(@empty_input_buffer, @context).should == "test prompt> " Pry.new.select_prompt(@non_empty_input_buffer, @context).should == "test prompt> " end it 'should set the prompt default, and the default should be overridable (multi prompt)' do new_prompt = [proc { "test prompt> " }, proc { "test prompt* " }] Pry.prompt = new_prompt Pry.new.prompt.should == Pry.prompt Pry.new.select_prompt(@empty_input_buffer, @context).should == "test prompt> " Pry.new.select_prompt(@non_empty_input_buffer, @context).should == "test prompt* " new_prompt = [proc { "A" }, proc { "B" }] pry_tester = Pry.new(:prompt => new_prompt) pry_tester.prompt.should == new_prompt pry_tester.select_prompt(@empty_input_buffer, @context).should == "A" pry_tester.select_prompt(@non_empty_input_buffer, @context).should == "B" Pry.new.prompt.should == Pry.prompt Pry.new.select_prompt(@empty_input_buffer, @context).should == "test prompt> " Pry.new.select_prompt(@non_empty_input_buffer, @context).should == "test prompt* " end describe 'storing and restoring the prompt' do before do make = lambda do |name,i| prompt = [ proc { "#{i}>" } , proc { "#{i+1}>" } ] (class << prompt; self; end).send(:define_method, :inspect) { "" } prompt end @a , @b , @c = make[:a,0] , make[:b,1] , make[:c,2] @pry = Pry.new :prompt => @a end it 'should have a prompt stack' do @pry.push_prompt @b @pry.push_prompt @c @pry.prompt.should == @c @pry.pop_prompt @pry.prompt.should == @b @pry.pop_prompt @pry.prompt.should == @a end it 'should restore overridden prompts when returning from file-mode' do pry = Pry.new :input => InputTester.new('shell-mode', 'shell-mode'), :prompt => [ proc { 'P>' } ] * 2 pry.select_prompt(@empty_input_buffer, @context).should == "P>" pry.re pry.select_prompt(@empty_input_buffer, @context).should =~ /\Apry .* \$ \z/ pry.re pry.select_prompt(@empty_input_buffer, @context).should == "P>" end it '#pop_prompt should return the popped prompt' do @pry.push_prompt @b @pry.push_prompt @c @pry.pop_prompt.should == @c @pry.pop_prompt.should == @b end it 'should not pop the last prompt' do @pry.push_prompt @b @pry.pop_prompt.should == @b @pry.pop_prompt.should == @a @pry.pop_prompt.should == @a @pry.prompt.should == @a end describe '#prompt= should replace the current prompt with the new prompt' do it 'when only one prompt on the stack' do @pry.prompt = @b @pry.prompt.should == @b @pry.pop_prompt.should == @b @pry.pop_prompt.should == @b end it 'when several prompts on the stack' do @pry.push_prompt @b @pry.prompt = @c @pry.pop_prompt.should == @c @pry.pop_prompt.should == @a end end end end describe "view_clip used for displaying an object in a truncated format" do VC_MAX_LENGTH = 60 describe "given an object with an #inspect string" do it "returns the #<> format of the object (never use inspect)" do o = Object.new def o.inspect; "a" * VC_MAX_LENGTH; end Pry.view_clip(o, VC_MAX_LENGTH).should =~ /# format of the special-cased immediate object if #inspect is longer than maximum" do o = "o" * (VC_MAX_LENGTH + 1) Pry.view_clip(o, VC_MAX_LENGTH).should =~ /# format of the object (never use inspect)" do o = Object.new def o.inspect; "a" * VC_MAX_LENGTH; end Pry.view_clip(o, VC_MAX_LENGTH).should =~ /# format" do o = Object.new def o.inspect; "a" * (VC_MAX_LENGTH + 1); end Pry.view_clip(o, VC_MAX_LENGTH).should =~ /# format" do c, m = Class.new, Module.new Pry.view_clip(c, VC_MAX_LENGTH).should =~ /# format" do c, m = Class.new, Module.new def c.name; "a" * (VC_MAX_LENGTH + 1); end def m.name; "a" * (VC_MAX_LENGTH + 1); end Pry.view_clip(c, VC_MAX_LENGTH).should =~ /# format" do c, m = Class.new, Module.new def c.name; "a" * VC_MAX_LENGTH; end def m.name; "a" * VC_MAX_LENGTH; end Pry.view_clip(c, VC_MAX_LENGTH).should == c.name Pry.view_clip(m, VC_MAX_LENGTH).should == m.name end end end end end it 'should set the hooks default, and the default should be overridable' do Pry.input = InputTester.new("exit-all") Pry.hooks = Pry::Hooks.new. add_hook(:before_session, :my_name) { |out,_,_| out.puts "HELLO" }. add_hook(:after_session, :my_name) { |out,_,_| out.puts "BYE" } str_output = StringIO.new Pry.new(:output => str_output).repl str_output.string.should =~ /HELLO/ str_output.string.should =~ /BYE/ Pry.input.rewind str_output = StringIO.new Pry.new(:output => str_output, :hooks => Pry::Hooks.new. add_hook( :before_session, :my_name) { |out,_,_| out.puts "MORNING" }. add_hook(:after_session, :my_name) { |out,_,_| out.puts "EVENING" } ).repl str_output.string.should =~ /MORNING/ str_output.string.should =~ /EVENING/ # try below with just defining one hook Pry.input.rewind str_output = StringIO.new Pry.new(:output => str_output, :hooks => Pry::Hooks.new. add_hook(:before_session, :my_name) { |out,_,_| out.puts "OPEN" } ).repl str_output.string.should =~ /OPEN/ Pry.input.rewind str_output = StringIO.new Pry.new(:output => str_output, :hooks => Pry::Hooks.new. add_hook(:after_session, :my_name) { |out,_,_| out.puts "CLOSE" } ).repl str_output.string.should =~ /CLOSE/ Pry.reset_defaults Pry.color = false end describe 'quiet' do it 'should show whereami by default' do output = StringIO.new Pry.start(binding, :input => InputTester.new("1", "exit-all"), :output => output, :hooks => Pry::DEFAULT_HOOKS) output.string.should =~ /[w]hereami by default/ end it 'should hide whereami if quiet is set' do output = StringIO.new Pry.new(:input => InputTester.new("exit-all"), :output => output, :quiet => true, :hooks => Pry::DEFAULT_HOOKS) output.string.should == "" end end end