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pry--pry/spec/completion_spec.rb
2012-12-18 00:10:00 -08:00

225 lines
4.9 KiB
Ruby

require 'helper'
def new_completer(bind, pry=nil)
Pry::InputCompleter.build_completion_proc(Pry.binding_for(bind), pry)
end
def completer_test(bind, pry=nil, assert_flag=true)
completer = new_completer(bind, pry)
test = proc {|symbol| completer.call(symbol[0..-2]).include?(symbol).should == assert_flag}
return proc {|*symbols| symbols.each(&test) }
end
if defined?(Bond) && Readline::VERSION !~ /editline/i
describe 'bond-based completion' do
it 'should pull in Bond by default' do
Pry.config.completer.should == Pry::BondCompleter
end
end
end
describe Pry::InputCompleter do
before do
# The AMQP gem has some classes like this:
# pry(main)> AMQP::Protocol::Test::ContentOk.name
# => :content_ok
module SymbolyName
def self.name; :symboly_name; end
end
$default_completer = Pry.config.completer
Pry.config.completer = Pry::InputCompleter
end
after do
Pry.config.completer = $default_completer
Object.remove_const :SymbolyName
end
# another jruby hack :((
if !Pry::Helpers::BaseHelpers.jruby?
it "should not crash if there's a Module that has a symbolic name." do
completer = Pry::InputCompleter.build_completion_proc(Pry.binding_for(Object.new))
lambda{ completer.call "a.to_s." }.should.not.raise Exception
end
end
it 'should take parenthesis and other characters into account for symbols' do
b = Pry.binding_for(Object.new)
completer = Pry::InputCompleter.build_completion_proc(b)
lambda { completer.call(":class)") }.should.not.raise(RegexpError)
end
it 'should complete instance variables' do
object = Class.new.new
# set variables in appropriate scope
object.instance_variable_set(:'@name', 'Pry')
object.class.send(:class_variable_set, :'@@number', 10)
# check to see if variables are in scope
object.instance_variables.
map { |v| v.to_sym }.
include?(:'@name').should == true
object.class.class_variables.
map { |v| v.to_sym }.
include?(:'@@number').should == true
# Complete instance variables.
b = Pry.binding_for(object)
completer_test(b).call('@name', '@name.downcase')
# Complete class variables.
b = Pry.binding_for(object.class)
completer_test(b).call('@@number', '@@number.class')
end
it 'should complete for stdlib symbols' do
o = Object.new
# Regexp
completer_test(o).call('/foo/.extend')
# Array
completer_test(o).call('[1].push')
# Hash
completer_test(o).call('{"a" => "b"}.keys')
# Proc
completer_test(o).call('{2}.call')
# Symbol
completer_test(o).call(':symbol.to_s')
# Absolute Constant
completer_test(o).call('::IndexError')
end
it 'should complete for target symbols' do
o = Object.new
# Constant
module Mod
Con = 'Constant'
module Mod2
end
end
completer_test(Mod).call('Con')
# Constants or Class Methods
completer_test(o).call('Mod::Con')
# Symbol
foo = :symbol
completer_test(o).call(':symbol')
# Variables
class << o
attr_accessor :foo
end
o.foo = 'bar'
completer_test(binding).call('o.foo')
# trailing slash
new_completer(Mod).call('Mod2/').include?('Mod2/').should == true
end
it 'should complete for arbitrary scopes' do
module Bar
@barvar = :bar
end
module Baz
@bar = Bar
@bazvar = :baz
Con = :constant
end
pry = Pry.new(:target => Baz)
pry.push_binding(Bar)
b = Pry.binding_for(Bar)
completer_test(b, pry).call("../@bazvar")
completer_test(b, pry).call('/Con')
end
it 'should complete for stdlib symbols' do
o = Object.new
# Regexp
completer_test(o).call('/foo/.extend')
# Array
completer_test(o).call('[1].push')
# Hash
completer_test(o).call('{"a" => "b"}.keys')
# Proc
completer_test(o).call('{2}.call')
# Symbol
completer_test(o).call(':symbol.to_s')
# Absolute Constant
completer_test(o).call('::IndexError')
end
it 'should complete for target symbols' do
o = Object.new
# Constant
module Mod
Con = 'Constant'
module Mod2
end
end
completer_test(Mod).call('Con')
# Constants or Class Methods
completer_test(o).call('Mod::Con')
# Symbol
foo = :symbol
completer_test(o).call(':symbol')
# Variables
class << o
attr_accessor :foo
end
o.foo = 'bar'
completer_test(binding).call('o.foo')
# trailing slash
new_completer(Mod).call('Mod2/').include?('Mod2/').should == true
end
it 'should complete for arbitrary scopes' do
module Bar
@barvar = :bar
end
module Baz
@bar = Bar
@bazvar = :baz
Con = :constant
end
pry = Pry.new(:target => Baz)
pry.push_binding(Bar)
b = Pry.binding_for(Bar)
completer_test(b, pry).call("../@bazvar")
completer_test(b, pry).call('/Con')
end
end