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test_pry.rb
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test_pry.rb
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require 'helper'
puts "Ruby Version #{RUBY_VERSION}"
puts "Testing Pry #{Pry::VERSION}"
puts "With method_source version #{MethodSource::VERSION}"
puts "--"
describe Pry do
if RUBY_PLATFORM !~ /mingw/ && RUBY_PLATFORM !~ /mswin/
describe 'warning emissions' do
it 'should emit no warnings' do
Open4.popen4 'ruby -I lib -rubygems -r"pry" -W -e "exit"' do |pid, stdin, stdout, stderr|
stderr.read.empty?.should == true
end
end
end
end
if RUBY_VERSION =~ /1.9/
describe "Exotic object support" do
# regression test for exotic object support
it "Should not error when return value is a BasicObject instance" do
lambda do
redirect_pry_io(InputTester.new("BasicObject.new", "exit-all"), StringIO.new) do
Pry.start
end
end.should.not.raise NoMethodError
end
end
end
describe "Pry.binding_for" do
# regression test for burg's bug (see git history)
it "Should not error when object doesn't have a valid == method" do
o = Object.new
def o.==(other)
raise
end
lambda { Pry.binding_for(o) }.should.not.raise Exception
end
end
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
# bug fix for https://github.com/banister/pry/issues/93
it 'should not leak pry constants into Object namespace' do
input_string = "CommandContext"
str_output = StringIO.new
o = Object.new
pry_tester = Pry.new(:input => StringIO.new(input_string),
:output => str_output,
:exception_handler => proc { |_, exception| @excep = exception },
:print => proc {}
).rep(o)
@excep.is_a?(NameError).should == true
end
if defined?(BasicObject)
it 'should be able to operate inside the BasicObject class' do
$obj = nil
redirect_pry_io(InputTester.new(":foo", "$obj = _", "exit-all"), StringIO.new) do
BasicObject.pry
end
$obj.should == :foo
$obj = nil
end
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 = :john
str_output = StringIO.new
pry_tester = Pry.new(:input => InputTester.new("self"), :output => str_output)
pry_tester.rep(o)
str_output.string.should =~ /:john/
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
it 'should suppress output if input ends in a ";" and is an Exception object (single line)' do
o = Object.new
str_output = StringIO.new
pry_tester = Pry.new(:input => InputTester.new("Exception.new;"), :output => str_output)
pry_tester.rep(o)
str_output.string.should == ""
end
it 'should suppress output if input ends in a ";" (single line)' do
o = Object.new
str_output = StringIO.new
pry_tester = Pry.new(:input => InputTester.new("x = 5;"), :output => str_output)
pry_tester.rep(o)
str_output.string.should == ""
end
it 'should suppress output if input ends in a ";" (multi-line)' do
o = Object.new
str_output = StringIO.new
pry_tester = Pry.new(:input => InputTester.new("def self.blah", ":test", "end;"), :output => str_output)
pry_tester.rep(o)
str_output.string.should == ""
end
it 'should be able to evaluate exceptions normally' do
o = Exception.new
str_output = StringIO.new
was_called = false
pry_tester = Pry.new(:input => InputTester.new("self"),
:output => str_output,
:exception_handler => proc { was_called = true })
pry_tester.rep(o)
was_called.should == false
end
it 'should notice when exceptions are raised' do
o = Exception.new
str_output = StringIO.new
was_called = false
pry_tester = Pry.new(:input => InputTester.new("raise self"),
:output => str_output,
:exception_handler => proc { was_called = true })
pry_tester.rep(o)
was_called.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
end
describe "history arrays" do
it 'sets _ to the last result' do
res = []
input = InputTester.new *[":foo", "self << _", "42", "self << _"]
pry = Pry.new(:input => input, :output => Pry::NullOutput)
pry.repl(res)
res.should == [:foo, 42]
end
it 'sets out to an array with the result' do
res = {}
input = InputTester.new *[":foo", "42", "self[:res] = out"]
pry = Pry.new(:input => input, :output => Pry::NullOutput)
pry.repl(res)
res[:res].should.be.kind_of Pry::HistoryArray
res[:res][1..2].should == [:foo, 42]
end
it 'sets inp to an array with the entered lines' do
res = {}
input = InputTester.new *[":foo", "42", "self[:res] = inp"]
pry = Pry.new(:input => input, :output => Pry::NullOutput)
pry.repl(res)
res[:res].should.be.kind_of Pry::HistoryArray
res[:res][1..2].should == [":foo\n", "42\n"]
end
it 'uses 100 as the size of inp and out' do
res = []
input = InputTester.new *["self << out.max_size << inp.max_size"]
pry = Pry.new(:input => input, :output => Pry::NullOutput)
pry.repl(res)
res.should == [100, 100]
end
it 'can change the size of the history arrays' do
res = []
input = InputTester.new *["self << out.max_size << inp.max_size"]
pry = Pry.new(:input => input, :output => Pry::NullOutput,
:memory_size => 1000)
pry.repl(res)
res.should == [1000, 1000]
end
it 'store exceptions' do
res = []
input = InputTester.new *["foo!","self << inp[-1] << out[-1]"]
pry = Pry.new(:input => input, :output => Pry::NullOutput,
:memory_size => 1000)
pry.repl(res)
res.first.should == "foo!\n"
res.last.should.be.kind_of NoMethodError
end
end
describe "test loading rc files" do
before do
Pry.instance_variable_set(:@initial_session, true)
end
after do
Pry::RC_FILES.clear
Pry.config.should_load_rc = false
end
it "should run the rc file only once" do
Pry.config.should_load_rc = true
Pry::RC_FILES << File.expand_path("../testrc", __FILE__)
Pry.start(self, :input => StringIO.new("exit\n"), :output => Pry::NullOutput)
TEST_RC.should == [0]
Pry.start(self, :input => StringIO.new("exit\n"), :output => Pry::NullOutput)
TEST_RC.should == [0]
Object.remove_const(:TEST_RC)
end
it "should not run the rc file at all if Pry.config.should_load_rc is false" do
Pry.config.should_load_rc = false
Pry.start(self, :input => StringIO.new("exit\n"), :output => Pry::NullOutput)
Object.const_defined?(:TEST_RC).should == false
end
it "should not load the rc file if #repl method invoked" do
Pry.config.should_load_rc = true
Pry.new(:input => StringIO.new("exit\n"), :output => Pry::NullOutput).repl(self)
Object.const_defined?(:TEST_RC).should == false
Pry.config.should_load_rc = false
end
end
describe "nesting" do
after do
Pry.reset_defaults
Pry.color = false
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
Pry.color = false
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.binding_for(_main_.call).is_a?(Binding).should == true
Pry.binding_for(_main_.call).should == TOPLEVEL_BINDING
Pry.binding_for(_main_.call).should == Pry.binding_for(_main_.call)
end
end
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"
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 interpolate ruby code into commands' do
klass = Pry::CommandSet.new do
command "hello", "", :keep_retval => true do |arg|
arg
end
end
$test_interpolation = "bing"
str_output = StringIO.new
Pry.new(:input => StringIO.new('hello #{$test_interpolation}'), :output => str_output, :commands => klass).rep
str_output.string.should =~ /bing/
$test_interpolation = nil
end
# bug fix for https://github.com/banister/pry/issues/170
it 'should not choke on complex string interpolation when checking if ruby code is a command' do
redirect_pry_io(InputTester.new('/#{Regexp.escape(File.expand_path("."))}/'), str_output = StringIO.new) do
pry
end
str_output.string.should.not =~ /SyntaxError/
end
it 'should NOT interpolate ruby code into commands if :interpolate => false' do
klass = Pry::CommandSet.new do
command "hello", "", :keep_retval => true, :interpolate => false do |arg|
arg
end
end
$test_interpolation = "bing"
str_output = StringIO.new
Pry.new(:input => StringIO.new('hello #{$test_interpolation}'), :output => str_output, :commands => klass).rep
str_output.string.should =~ /test_interpolation/
$test_interpolation = nil
end
it 'should NOT try to interpolate pure ruby code (no commands) ' do
str_output = StringIO.new
Pry.new(:input => StringIO.new('puts \'#{aggy}\''), :output => str_output).rep
str_output.string.should.not =~ /NameError/
Pry.new(:input => StringIO.new('puts #{aggy}'), :output => str_output).rep
str_output.string.should.not =~ /NameError/
$test_interpolation = "blah"
Pry.new(:input => StringIO.new('puts \'#{$test_interpolation}\''), :output => str_output).rep
str_output.string.should.not =~ /blah/
$test_interpolation = nil
end
it 'should create a command with a space in its name' do
set = Pry::CommandSet.new do
command "hello baby", "" do
output.puts "hello baby command"
end
end
str_output = StringIO.new
redirect_pry_io(InputTester.new("hello baby", "exit-all"), str_output) do
Pry.new(:commands => set).rep
end
str_output.string.should =~ /hello baby command/
end
it 'should create a command with a space in its name and pass an argument' do
set = Pry::CommandSet.new do
command "hello baby", "" do |arg|
output.puts "hello baby command #{arg}"
end
end
str_output = StringIO.new
redirect_pry_io(InputTester.new("hello baby john"), str_output) do
Pry.new(:commands => set).rep
end
str_output.string.should =~ /hello baby command john/
end
it 'should create a regex command and be able to invoke it' do
set = Pry::CommandSet.new do
command /hello(.)/, "" do
c = captures.first
output.puts "hello#{c}"
end
end
str_output = StringIO.new
redirect_pry_io(InputTester.new("hello1"), str_output) do
Pry.new(:commands => set).rep
end
str_output.string.should =~ /hello1/
end
it 'should create a regex command and pass captures into the args list before regular arguments' do
set = Pry::CommandSet.new do
command /hello(.)/, "" do |c1, a1|
output.puts "hello #{c1} #{a1}"
end
end
str_output = StringIO.new
redirect_pry_io(InputTester.new("hello1 baby"), str_output) do
Pry.new(:commands => set).rep
end
str_output.string.should =~ /hello 1 baby/
end
it 'should create a regex command and interpolate the captures' do
set = Pry::CommandSet.new do
command /hello (.*)/, "" do |c1|
output.puts "hello #{c1}"
end
end
str_output = StringIO.new
$obj = "bing"
redirect_pry_io(InputTester.new('hello #{$obj}'), str_output) do
Pry.new(:commands => set).rep
end
str_output.string.should =~ /hello bing/
$obj = nil
end
it 'should create a regex command and arg_string should be interpolated' do
set = Pry::CommandSet.new do
command /hello(\w+)/, "" do |c1, a1, a2, a3|
output.puts "hello #{c1} #{a1} #{a2} #{a3}"
end
end
str_output = StringIO.new
$a1 = "bing"
$a2 = "bong"
$a3 = "bang"
redirect_pry_io(InputTester.new('hellojohn #{$a1} #{$a2} #{$a3}'), str_output) do
Pry.new(:commands => set).rep
end
str_output.string.should =~ /hello john bing bong bang/
$a1 = nil
$a2 = nil
$a3 = nil
end
it 'if a regex capture is missing it should be nil' do
set = Pry::CommandSet.new do
command /hello(.)?/, "" do |c1, a1|
output.puts "hello #{c1.inspect} #{a1}"
end
end
str_output = StringIO.new
redirect_pry_io(InputTester.new("hello baby"), str_output) do
Pry.new(:commands => set).rep
end
str_output.string.should =~ /hello nil baby/
end
it 'should create a command in a nested context and that command should be accessible from the parent' do
redirect_pry_io(StringIO.new, StringIO.new) do
str_input = StringIO.new("@x=nil\ncd 7\n_pry_.commands.instance_eval {\ncommand('bing') { |arg| run arg }\n}\ncd ..\nbing ls\nexit")
str_output = StringIO.new
Pry.input = str_input
obj = Object.new
Pry.new(:output => str_output).repl(obj)
Pry.input = Readline
str_output.string.should =~ /@x/
end
end
it 'should define a command that keeps its return value' do
klass = Pry::CommandSet.new do
command "hello", "", :keep_retval => true do
:kept_hello
end
end
str_output = StringIO.new
Pry.new(:input => StringIO.new("hello\n"), :output => str_output, :commands => klass).rep
str_output.string.should =~ /:kept_hello/
str_output.string.should =~ /=>/
end
it 'should define a command that does NOT keep its return value' do
klass = Pry::CommandSet.new do
command "hello", "", :keep_retval => false do
:kept_hello
end
end
str_output = StringIO.new
Pry.new(:input => StringIO.new("hello\n"), :output => str_output, :commands => klass).rep
(str_output.string =~ /:kept_hello/).should == nil
str_output.string !~ /=>/
end
it 'should set the commands default, and the default should be overridable' do
klass = Pry::CommandSet.new do
command "hello" do
output.puts "hello world"
end
end
Pry.commands = klass
str_output = StringIO.new
Pry.new(:input => InputTester.new("hello"), :output => str_output).rep
str_output.string.should =~ /hello world/
other_klass = Pry::CommandSet.new do
command "goodbye", "" do
output.puts "goodbye world"
end
end
str_output = StringIO.new
Pry.new(:input => InputTester.new("goodbye"), :output => str_output, :commands => other_klass).rep
str_output.string.should =~ /goodbye world/
end
it 'should inherit "help" command from Pry::CommandBase' do
klass = Pry::CommandSet.new do
command "h", "h command" do
end
end
klass.commands.keys.size.should == 3
klass.commands.keys.include?("help").should == true
klass.commands.keys.include?("install-command").should == true
klass.commands.keys.include?("h").should == true
end
it 'should inherit commands from Pry::Commands' do
klass = Pry::CommandSet.new Pry::Commands do
command "v" do
end
end
klass.commands.include?("nesting").should == true
klass.commands.include?("jump-to").should == true
klass.commands.include?("cd").should == true
klass.commands.include?("v").should == true
end
it 'should alias a command with another command' do
klass = Pry::CommandSet.new do
alias_command "help2", "help"
end
klass.commands["help2"].block.should == klass.commands["help"].block
end
it 'should change description of a command using desc' do
klass = Pry::CommandSet.new do; end
orig = klass.commands["help"].description
klass.instance_eval do
desc "help", "blah"
end
klass.commands["help"].description.should.not == orig
klass.commands["help"].description.should == "blah"
end
it 'should run a command from within a command' do
klass = Pry::CommandSet.new do
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 => klass).rep
str_output.string.should =~ /v command/
end
it 'should run a regex command from within a command' do
klass = Pry::CommandSet.new do
command /v(.*)?/ do |arg|
output.puts "v #{arg}"
end
command "run_v" do
run "vbaby"
end
end
str_output = StringIO.new
redirect_pry_io(InputTester.new("run_v"), str_output) do
Pry.new(:commands => klass).rep
end
str_output.string.should =~ /v baby/
end
it 'should run a command from within a command with arguments' do
klass = Pry::CommandSet.new do
command /v(\w+)/ do |arg1, arg2|
output.puts "v #{arg1} #{arg2}"
end
command "run_v_explicit_parameter" do
run "vbaby", "param"
end
command "run_v_embedded_parameter" do
run "vbaby param"
end
end
["run_v_explicit_parameter", "run_v_embedded_parameter"].each do |cmd|
str_output = StringIO.new
redirect_pry_io(InputTester.new(cmd), str_output) do
Pry.new(:commands => klass).rep
end
str_output.string.should =~ /v baby param/
end
end
it 'should enable an inherited method to access opts and output and target, due to instance_exec' do
klass = Pry::CommandSet.new do
command "v" do
output.puts "#{target.eval('self')}"
end
end
child_klass = Pry::CommandSet.new klass do
end
str_output = StringIO.new
Pry.new(:print => proc {}, :input => InputTester.new("v"),
:output => str_output, :commands => child_klass).rep("john")
str_output.string.rstrip.should == "john"
end
it 'should import commands from another command object' do
klass = Pry::CommandSet.new do
import_from Pry::Commands, "ls", "jump-to"
end
klass.commands.include?("ls").should == true
klass.commands.include?("jump-to").should == true
end
it 'should delete some inherited commands when using delete method' do
klass = Pry::CommandSet.new Pry::Commands do
command "v" do
end
delete "show-doc", "show-method"
delete "ls"
end
klass.commands.include?("nesting").should == true
klass.commands.include?("jump-to").should == true
klass.commands.include?("cd").should == true
klass.commands.include?("v").should == true
klass.commands.include?("show-doc").should == false
klass.commands.include?("show-method").should == false
klass.commands.include?("ls").should == false
end
it 'should override some inherited commands' do
klass = Pry::CommandSet.new Pry::Commands do
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 => klass).rep
str_output.string.rstrip.should == "jump-to the music"
str_output = StringIO.new
Pry.new(:input => InputTester.new("help"), :output => str_output, :commands => klass).rep
str_output.string.rstrip.should == "help to the music"
Pry.reset_defaults
Pry.color = false
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 "pry return values" do
it 'should return the target object' do
Pry.start(self, :input => StringIO.new("exit"), :output => Pry::NullOutput).should == self
end
it 'should return the parameter given to exit' do
Pry.start(self, :input => StringIO.new("exit 10"), :output => Pry::NullOutput).should == 10
end
it 'should return the parameter (multi word string) given to exit' do
Pry.start(self, :input => StringIO.new("exit \"john mair\""), :output => Pry::NullOutput).should == "john mair"
end
it 'should return the parameter (function call) given to exit' do
Pry.start(self, :input => StringIO.new("exit 'abc'.reverse"), :output => Pry::NullOutput).should == 'cba'
end
it 'should return the parameter (self) given to exit' do
Pry.start("carl", :input => StringIO.new("exit self"), :output => Pry::NullOutput).should == "carl"
end
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
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-#{name}>" }
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