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direc = File.dirname(__FILE__)
require 'rubygems'
require 'bacon'
require "#{direc}/../lib/pry"
require "#{direc}/test_helper"
puts "Ruby Version #{RUBY_VERSION}"
puts "Testing Pry #{Pry::VERSION}"
puts "With method_source version #{MethodSource::VERSION}"
puts "--"
describe Pry do
describe "open a Pry session on an object" do
describe "rep" do
before do
class Hello
end
end
after do
Object.send(:remove_const, :Hello)
end
it 'should set an ivar on an object' do
input_string = "@x = 10"
input = InputTester.new(input_string)
o = Object.new
pry_tester = Pry.new(:input => input, :output => Pry::NullOutput)
pry_tester.rep(o)
o.instance_variable_get(:@x).should == 10
end
it 'should make self evaluate to the receiver of the rep session' do
o = Object.new
str_output = StringIO.new
pry_tester = Pry.new(:input => InputTester.new("self"), :output => str_output)
pry_tester.rep(o)
str_output.string.should =~ /#{o.to_s}/
end
it 'should work with multi-line input' do
o = Object.new
str_output = StringIO.new
pry_tester = Pry.new(:input => InputTester.new("x = ", "1 + 4"), :output => str_output)
pry_tester.rep(o)
str_output.string.should =~ /5/
end
it 'should define a nested class under Hello and not on top-level or Pry' do
pry_tester = Pry.new(:input => InputTester.new("class Nested", "end"), :output => Pry::NullOutput)
pry_tester.rep(Hello)
Hello.const_defined?(:Nested).should == true
end
end
describe "repl" do
describe "basic functionality" do
it 'should set an ivar on an object and exit the repl' do
input_strings = ["@x = 10", "exit"]
input = InputTester.new(*input_strings)
o = Object.new
pry_tester = Pry.start(o, :input => input, :output => Pry::NullOutput)
o.instance_variable_get(:@x).should == 10
end
it 'should execute start session and end session hooks' do
input = InputTester.new("exit")
str_output = StringIO.new
o = Object.new
pry_tester = Pry.start(o, :input => input, :output => str_output)
str_output.string.should =~ /Beginning.*#{o}/
str_output.string.should =~ /Ending.*#{o}/
end
end
describe "nesting" do
after do
Pry.reset_defaults
end
it 'should nest properly' do
Pry.input = InputTester.new("pry", "pry", "pry", "\"nest:\#\{Pry.nesting.level\}\"", "exit_all")
str_output = StringIO.new
Pry.output = str_output
o = Object.new
pry_tester = o.pry
str_output.string.should =~ /nest:3/
end
end
describe "defining methods" do
it 'should define a method on the singleton class of an object when performing "def meth;end" inside the object' do
[Object.new, {}, []].each do |val|
str_input = StringIO.new("def hello;end")
Pry.new(:input => str_input, :output => StringIO.new).rep(val)
val.methods(false).map(&:to_sym).include?(:hello).should == true
end
end
it 'should define an instance method on the module when performing "def meth;end" inside the module' do
str_input = StringIO.new("def hello;end")
hello = Module.new
Pry.new(:input => str_input, :output => StringIO.new).rep(hello)
hello.instance_methods(false).map(&:to_sym).include?(:hello).should == true
end
it 'should define an instance method on the class when performing "def meth;end" inside the class' do
str_input = StringIO.new("def hello;end")
hello = Class.new
Pry.new(:input => str_input, :output => StringIO.new).rep(hello)
hello.instance_methods(false).map(&:to_sym).include?(:hello).should == true
end
it 'should define a method on the class of an object when performing "def meth;end" inside an immediate value or Numeric' do
# should include float in here, but test fails for some reason
# on 1.8.7, no idea why!
[:test, 0, true, false, nil].each do |val|
str_input = StringIO.new("def hello;end")
Pry.new(:input => str_input, :output => StringIO.new).rep(val)
val.class.instance_methods(false).map(&:to_sym).include?(:hello).should == true
end
end
end
describe "commands" do
it 'should run a command with no parameter' do
pry_tester = Pry.new
pry_tester.commands = CommandTester
pry_tester.input = InputTester.new("command1", "exit_all")
pry_tester.commands = CommandTester
str_output = StringIO.new
pry_tester.output = str_output
pry_tester.rep
str_output.string.should =~ /command1/
end
it 'should run a command with one parameter' do
pry_tester = Pry.new
pry_tester.commands = CommandTester
pry_tester.input = InputTester.new("command2 horsey", "exit_all")
pry_tester.commands = CommandTester
str_output = StringIO.new
pry_tester.output = str_output
pry_tester.rep
str_output.string.should =~ /horsey/
end
end
describe "Object#pry" do
after do
Pry.reset_defaults
end
it "should start a pry session on the receiver (first form)" do
Pry.input = InputTester.new("self", "exit")
str_output = StringIO.new
Pry.output = str_output
20.pry
str_output.string.should =~ /20/
end
it "should start a pry session on the receiver (second form)" do
Pry.input = InputTester.new("self", "exit")
str_output = StringIO.new
Pry.output = str_output
pry 20
str_output.string.should =~ /20/
end
it "should error if more than one argument is passed to Object#pry" do
lambda { pry(20, :input => Readline) }.should.raise ArgumentError
end
end
describe "Pry#binding_for" do
it 'should return TOPLEVEL_BINDING if parameter self is main' do
_main_ = lambda { TOPLEVEL_BINDING.eval('self') }
Pry.new.binding_for(_main_.call).is_a?(Binding).should == true
Pry.new.binding_for(_main_.call).should == TOPLEVEL_BINDING
Pry.new.binding_for(_main_.call).should == Pry.new.binding_for(_main_.call)
end
end
describe "test Pry defaults" do
after do
Pry.reset_defaults
end
describe "input" do
after do
Pry.reset_defaults
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"
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"
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"
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
describe "commands" do
it 'should set the commands default, and the default should be overridable' do
class Command0 < Pry::CommandBase
command "hello" do
output.puts "hello world"
end
end
Pry.commands = Command0
str_output = StringIO.new
Pry.new(:input => InputTester.new("hello"), :output => str_output).rep
str_output.string.should =~ /hello world/
class Command1 < Pry::CommandBase
command "goodbye", "" do
output.puts "goodbye world"
end
end
str_output = StringIO.new
Pry.new(:input => InputTester.new("goodbye"), :output => str_output, :commands => Command1).rep
str_output.string.should =~ /goodbye world/
Object.remove_const(:Command0)
Object.remove_const(:Command1)
end
it 'should inherit "help" command from Pry::CommandBase' do
class Command2 < Pry::CommandBase
command "h", "h command" do
end
end
Command2.commands.keys.size.should == 2
Command2.commands.keys.include?("help").should == true
Command2.commands.keys.include?("h").should == true
Object.remove_const(:Command2)
end
it 'should inherit commands from Pry::Commands' do
class Command3 < Pry::Commands
command "v" do
end
end
Command3.commands.include?("nesting").should == true
Command3.commands.include?("jump_to").should == true
Command3.commands.include?("cd").should == true
Command3.commands.include?("v").should == true
Object.remove_const(:Command3)
end
it 'should run a command from within a command' do
class Command3 < Pry::Commands
command "v" do
output.puts "v command"
end
command "run_v" do
run "v"
end
end
str_output = StringIO.new
Pry.new(:input => InputTester.new("run_v"), :output => str_output, :commands => Command3).rep
str_output.string.should =~ /v command/
Object.remove_const(:Command3)
end
it 'should enable an inherited method to access opts and output and target, due to instance_exec' do
class Command3 < Pry::Commands
command "v" do
output.puts "#{target.eval('self')}"
end
end
class Command4 < Command3
end
str_output = StringIO.new
Pry.new(:print => proc {}, :input => InputTester.new("v"),
:output => str_output, :commands => Command4).rep("john")
str_output.string.chomp.should == "john"
Object.remove_const(:Command3)
Object.remove_const(:Command4)
end
it 'should import commands from another command object' do
class Command3 < Pry::CommandBase
import_from Pry::Commands, "status", "jump_to"
end
str_output = StringIO.new
Pry.new(:print => proc {}, :input => InputTester.new("status"),
:output => str_output, :commands => Command3).rep("john")
str_output.string.should =~ /Status:/
Object.remove_const(:Command3)
end
it 'should delete some inherited commands when using delete method' do
class Command3 < Pry::Commands
command "v" do
end
delete "show_doc", "show_method"
delete "ls"
end
Command3.commands.include?("nesting").should == true
Command3.commands.include?("jump_to").should == true
Command3.commands.include?("cd").should == true
Command3.commands.include?("v").should == true
Command3.commands.include?("show_doc").should == false
Command3.commands.include?("show_method").should == false
Command3.commands.include?("ls").should == false
Object.remove_const(:Command3)
end
it 'should override some inherited commands' do
class Command3 < Pry::Commands
command "jump_to" do
output.puts "jump_to the music"
end
command "help" do
output.puts "help to the music"
end
end
# suppress evaluation output
Pry.print = proc {}
str_output = StringIO.new
Pry.new(:input => InputTester.new("jump_to"), :output => str_output, :commands => Command3).rep
str_output.string.chomp.should == "jump_to the music"
str_output = StringIO.new
Pry.new(:input => InputTester.new("help"), :output => str_output, :commands => Command3).rep
str_output.string.chomp.should == "help to the music"
Object.remove_const(:Command3)
Pry.reset_defaults
end
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 "prompts" do
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(true, 0).should == "test prompt> "
Pry.new.select_prompt(false, 0).should == "test prompt> "
new_prompt = proc { "A" }
pry_tester = Pry.new(:prompt => new_prompt)
pry_tester.prompt.should == new_prompt
pry_tester.select_prompt(true, 0).should == "A"
pry_tester.select_prompt(false, 0).should == "A"
Pry.new.prompt.should == Pry.prompt
Pry.new.select_prompt(true, 0).should == "test prompt> "
Pry.new.select_prompt(false, 0).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(true, 0).should == "test prompt> "
Pry.new.select_prompt(false, 0).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(true, 0).should == "A"
pry_tester.select_prompt(false, 0).should == "B"
Pry.new.prompt.should == Pry.prompt
Pry.new.select_prompt(true, 0).should == "test prompt> "
Pry.new.select_prompt(false, 0).should == "test prompt* "
end
end
it 'should set the hooks default, and the default should be overridable' do
Pry.input = InputTester.new("exit")
Pry.hooks = {
:before_session => proc { |out,_| out.puts "HELLO" },
:after_session => proc { |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 => {
:before_session => proc { |out,_| out.puts "MORNING" },
:after_session => proc { |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 => {
:before_session => proc { |out,_| out.puts "OPEN" }
}
).repl
str_output.string.should =~ /OPEN/
Pry.input.rewind
str_output = StringIO.new
Pry.new(:output => str_output,
:hooks => {
:after_session => proc { |out,_| out.puts "CLOSE" }
}
).repl
str_output.string.should =~ /CLOSE/
Pry.reset_defaults
end
end
end
end
end
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