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require 'helper'
describe "commands" do
before do
@str_output = StringIO.new
@o = Object.new
# Shortcuts. They save a lot of typing.
@bs1 = "Pad.bs1 = _pry_.binding_stack.dup"
@bs2 = "Pad.bs2 = _pry_.binding_stack.dup"
@bs3 = "Pad.bs3 = _pry_.binding_stack.dup"
@self = "Pad.self = self"
Pad.bong = "bong"
end
after do
Pad.clear
end
describe "alias_command" do
it 'should make an aliasd command behave like its original' do
set = Pry::CommandSet.new do
command "test-command" do
output.puts "testing 1, 2, 3"
end
alias_command "test-alias", "test-command"
end
redirect_pry_io(InputTester.new("test-alias"), out1 = StringIO.new) do
Pry.start self, :commands => set
end
redirect_pry_io(InputTester.new("test-command"), out2 = StringIO.new) do
Pry.start self, :commands => set
end
out1.string.should == out2.string
end
it 'should pass on arguments to original' do
set = Pry::CommandSet.new do
command "test-command" do |*args|
output.puts "testing #{args.join(' ')}"
end
alias_command "test-alias", "test-command"
end
redirect_pry_io(InputTester.new("test-command hello baby duck"), out1 = StringIO.new) do
Pry.start self, :commands => set
end
out1.string.should =~ /hello baby duck/
redirect_pry_io(InputTester.new("test-alias hello baby duck"), out2 = StringIO.new) do
Pry.start self, :commands => set
end
out2.string.should == out1.string
end
it 'should pass option arguments to original' do
set = Pry::CommandSet.new do
import Pry::Commands
alias_command "test-alias", "ls"
end
obj = Class.new { @x = 10 }
redirect_pry_io(InputTester.new("ls -i"), out1 = StringIO.new) do
Pry.start obj, :commands => set
end
out1.string.should =~ /@x/
redirect_pry_io(InputTester.new("test-alias -i"), out2 = StringIO.new) do
Pry.start obj, :commands => set
end
out2.string.should == out1.string
end
it 'should pass option arguments to original with additional parameters' do
set = Pry::CommandSet.new do
import Pry::Commands
alias_command "test-alias", "ls -M"
end
obj = Class.new { @x = Class.new { define_method(:plymouth) {} } }
redirect_pry_io(InputTester.new("ls -M @x"), out1 = StringIO.new) do
Pry.start obj, :commands => set
end
out1.string.should =~ /plymouth/
redirect_pry_io(InputTester.new("test-alias @x"), out2 = StringIO.new) do
Pry.start obj, :commands => set
end
out2.string.should == out1.string
end
it 'should be able to alias a regex command' do
set = Pry::CommandSet.new do
command /du.k/ do
output.puts "ducky"
end
alias_command "test-alias", "duck"
end
redirect_pry_io(InputTester.new("test-alias"), out1 = StringIO.new) do
Pry.start self, :commands => set
end
out1.string.should =~ /ducky/
end
it 'should be able to make the alias a regex' do
set = Pry::CommandSet.new do
command /du.k/ do
output.puts "ducky"
end
alias_command /test-ali.s/, "duck"
end
redirect_pry_io(InputTester.new("test-alias"), out1 = StringIO.new) do
Pry.start self, :commands => set
end
out1.string.should =~ /ducky/
end
end
describe "Pry::Command#run" do
it 'should allow running of commands with following whitespace' do
set = Pry::CommandSet.new do
import Pry::Commands
command "test-run" do
run "cd / "
end
end
redirect_pry_io(InputTester.new("cd 1/2/3/4/5/6", @bs1, "test-run",
@self, @bs2, "exit-all")) do
Pry.start(@o, :commands => set)
end
Pad.bs1.size.should == 7
Pad.self.should == @o
Pad.bs2.size.should == 1
end
it 'should allow running of cd command when contained in a single string' do
set = Pry::CommandSet.new do
import Pry::Commands
command "test-run" do
run "cd /"
end
end
redirect_pry_io(InputTester.new("cd 1/2/3/4/5/6", @bs1, "test-run",
@self, @bs2, "exit-all")) do
Pry.start(@o, :commands => set)
end
Pad.bs1.size.should == 7
Pad.self.should == @o
Pad.bs2.size.should == 1
end
it 'should allow running of cd command when split into array' do
set = Pry::CommandSet.new do
import Pry::Commands
command "test-run" do
run "cd", "/"
end
end
redirect_pry_io(InputTester.new("cd 1/2/3/4/5/6", @bs1, "test-run",
@self, @bs2, "exit-all")) do
Pry.start(@o, :commands => set)
end
Pad.bs1.size.should == 7
Pad.self.should == @o
Pad.bs2.size.should == 1
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
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
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|
redirect_pry_io(InputTester.new(cmd), @str_output) do
Pry.new(:commands => klass).rep
end
@str_output.string.should =~ /v baby param/
end
end
end
describe "Pry#run_command" do
it 'should run a command in a specified context' do
b = Pry.binding_for(7)
p = Pry.new(:output => @str_output)
p.run_command("ls -m", "", b)
p.output.string.should =~ /divmod/
end
it 'should run a command that modifies the passed in eval_string' do
b = Pry.binding_for(7)
p = Pry.new(:output => @str_output)
eval_string = "def hello\npeter pan\n"
p.run_command("amend-line !", eval_string, b)
eval_string.should =~ /def hello/
eval_string.should.not =~ /peter pan/
end
it 'should run a command in the context of a session' do
mock_pry("@session_ivar = 10", "_pry_.run_command('ls')").should =~ /@session_ivar/
end
end
it 'should interpolate ruby code into commands' do
set = Pry::CommandSet.new do
command "hello", "", :keep_retval => true do |arg|
arg
end
end
str_input = StringIO.new('hello #{Pad.bong}')
Pry.new(:input => str_input, :output => @str_output, :commands => set).rep
@str_output.string.should =~ /bong/
end
# bug fix for https://github.com/pry/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) do
pry
end
@str_output.string.should.not =~ /SyntaxError/
end
it 'should NOT interpolate ruby code into commands if :interpolate => false' do
set = Pry::CommandSet.new do
command "hello", "", :keep_retval => true, :interpolate => false do |arg|
arg
end
end
str_input = StringIO.new('hello #{Pad.bong}')
Pry.new(:input => str_input, :output => @str_output, :commands => set).rep
@str_output.string.should =~ /Pad\.bong/
end
it 'should NOT try to interpolate pure ruby code (no commands) ' do
Pry.new(:input => StringIO.new('format \'#{aggy}\''), :output => @str_output).rep
@str_output.string.should.not =~ /NameError/
@str_output = StringIO.new
Pry.new(:input => StringIO.new('format #{aggy}'), :output => @str_output).rep
@str_output.string.should.not =~ /NameError/
@str_output = StringIO.new
Pad.interp = "bong"
Pry.new(:input => StringIO.new('format \'#{Pad.interp}\''), :output => @str_output).rep
@str_output.string.should.not =~ /bong/
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
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
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
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
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
redirect_pry_io(InputTester.new('hello #{Pad.bong}'), @str_output) do
Pry.new(:commands => set).rep
end
@str_output.string.should =~ /hello bong/
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
Pad.bing = "bing"
Pad.bang = "bang"
redirect_pry_io(InputTester.new('hellojohn #{Pad.bing} #{Pad.bong} #{Pad.bang}'),
@str_output) do
Pry.new(:commands => set).rep
end
@str_output.string.should =~ /hello john bing bong bang/
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
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
x = "@x=nil\ncd 7\n_pry_.commands.instance_eval {\ncommand('bing') { |arg| run arg }\n}\ncd ..\nbing ls\nexit-all"
redirect_pry_io(StringIO.new("@x=nil\ncd 7\n_pry_.commands.instance_eval {\ncommand('bing') { |arg| run arg }\n}\ncd ..\nbing ls\nexit-all"), @str_output) do
Pry.new.repl(0)
end
@str_output.string.should =~ /@x/
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
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
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 define a command that keeps its return value even when nil' do
klass = Pry::CommandSet.new do
command "hello", "", :keep_retval => true do
nil
end
end
Pry.new(:input => StringIO.new("hello\n"), :output => @str_output, :commands => klass).rep
@str_output.string.should =~ /nil/
@str_output.string.should =~ /=>/
end
it 'should define a command that keeps its return value but does not return when value is void' do
klass = Pry::CommandSet.new do
command "hello", "", :keep_retval => true do
void
end
end
Pry.new(:input => StringIO.new("hello\n"), :output => @str_output, :commands => klass).rep
@str_output.string.empty?.should == true
end
it 'a command (with :keep_retval => false) that replaces eval_string with a valid expression should not have the expression value suppressed' do
klass = Pry::CommandSet.new do
command "hello", "" do
eval_string.replace("6")
end
end
Pry.new(:input => StringIO.new("def yo\nhello\n"), :output => @str_output, :commands => klass).rep
@str_output.string.should =~ /6/
end
it 'a command (with :keep_retval => true) that replaces eval_string with a valid expression should overwrite the eval_string with the return value' do
klass = Pry::CommandSet.new do
command "hello", "", :keep_retval => true do
eval_string.replace("6")
7
end
end
Pry.new(:input => StringIO.new("def yo\nhello\n"), :output => @str_output, :commands => klass).rep
@str_output.string.should =~ /7/
@str_output.string.should.not =~ /6/
end
it 'a command that return a value in a multi-line expression should clear the expression and return the value' do
klass = Pry::CommandSet.new do
command "hello", "", :keep_retval => true do
5
end
end
Pry.new(:input => StringIO.new("def yo\nhello\n"), :output => @str_output, :commands => klass).rep
@str_output.string.should =~ /5/
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
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 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 change description of a command using desc' do
klass = Pry::CommandSet.new do; import Pry::DefaultCommands::Help; 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 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
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 {}
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.should == "help to the music\n"
Pry.reset_defaults
Pry.color = false
end
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
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
pry_tester.output = @str_output
pry_tester.rep
@str_output.string.should =~ /horsey/
end
end
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