mirror of
https://github.com/pry/pry.git
synced 2022-11-09 12:35:05 -05:00
176 lines
5.4 KiB
Ruby
176 lines
5.4 KiB
Ruby
require_relative 'helper'
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describe "Sticky locals (_file_ and friends)" do
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it 'locals should all exist upon initialization' do
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expect { pry_eval '_file_', '_dir_', '_ex_', '_pry_', '_' }.to_not raise_error
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end
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it 'locals should still exist after cd-ing into a new context' do
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expect { pry_eval 'cd 0', '_file_', '_dir_', '_ex_', '_pry_', '_' }.to_not raise_error
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end
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it 'locals should keep value after cd-ing (_pry_)' do
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pry_tester.tap do |t|
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pry = t.eval '_pry_'
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t.eval 'cd 0'
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expect(t.eval('_pry_')).to eq(pry)
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end
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end
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describe '_ex_' do
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it 'returns the last exception without wrapping it in a LastException' do
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ReplTester.start do
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input 'raise "halp"'
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input '_ex_.message == "halp"'
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output '=> true'
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input 'Kernel.instance_method(:class).bind(_ex_).call'
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output '=> RuntimeError'
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end
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end
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it 'keeps its value after cd-ing' do
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ReplTester.start do
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input 'error blah'
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input '$x = _ex_'
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input 'cd 0'
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input '_ex_ == $x'
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output '=> true'
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end
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end
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end
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it 'locals should keep value after cd-ing (_file_ and _dir_)' do
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Pry.config.commands.command "file-and-dir-test" do
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set_file_and_dir_locals("/blah/ostrich.rb")
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end
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expect(pry_eval('file-and-dir-test', 'cd 0', '_file_')).
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to match(/\/blah\/ostrich\.rb/)
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expect(pry_eval('file-and-dir-test', 'cd 0', '_dir_')).
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to match(/\/blah/)
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Pry.config.commands.delete "file-and-dir-test"
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end
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it 'locals should return last result (_)' do
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pry_tester.tap do |t|
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lam = t.eval 'lambda { |_foo| }'
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expect(t.eval('_')).to eq(lam)
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end
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end
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it 'locals should return second last result (__)' do
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pry_tester.tap do |t|
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lam = t.eval 'lambda { |_foo| }'
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t.eval 'num = 1'
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expect(t.eval('__')).to eq(lam)
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end
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end
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describe "User defined sticky locals" do
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describe "setting as Pry.config option" do
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it 'should define a new sticky local for the session (normal value)' do
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Pry.config.extra_sticky_locals[:test_local] = :john
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o = Object.new
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redirect_pry_io(InputTester.new("@value = test_local",
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"exit-all")) do
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Pry.start(o)
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end
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expect(o.instance_variable_get(:@value)).to eq :john
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Pry.config.extra_sticky_locals = {}
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end
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it 'should define a new sticky local for the session (proc)' do
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Pry.config.extra_sticky_locals[:test_local] = proc { :john }
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o = Object.new
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redirect_pry_io(InputTester.new("@value = test_local",
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"exit-all")) do
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Pry.start(o)
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end
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expect(o.instance_variable_get(:@value)).to eq :john
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Pry.config.extra_sticky_locals = {}
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end
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end
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describe "passing in as hash option when creating pry instance" do
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it 'should define a new sticky local for the session (normal value)' do
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o = Object.new
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redirect_pry_io(InputTester.new("@value = test_local",
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"exit-all")) do
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Pry.start(o, extra_sticky_locals: { test_local: :john } )
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end
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expect(o.instance_variable_get(:@value)).to eq :john
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end
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it 'should define multiple sticky locals' do
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o = Object.new
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redirect_pry_io(InputTester.new("@value1 = test_local1",
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"@value2 = test_local2",
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"exit-all")) do
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Pry.start(o, extra_sticky_locals: { test_local1: :john ,
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test_local2: :carl} )
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end
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expect(o.instance_variable_get(:@value1)).to eq :john
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expect(o.instance_variable_get(:@value2)).to eq :carl
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end
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it 'should define a new sticky local for the session (as Proc)' do
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o = Object.new
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redirect_pry_io(InputTester.new("@value = test_local",
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"exit-all")) do
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Pry.start(o, extra_sticky_locals: { test_local: proc { :john }} )
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end
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expect(o.instance_variable_get(:@value)).to eq :john
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end
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end
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describe "hash option value should override config value" do
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it 'should define a new sticky local for the session (normal value)' do
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Pry.config.extra_sticky_locals[:test_local] = :john
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o = Object.new
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redirect_pry_io(InputTester.new("@value = test_local",
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"exit-all")) do
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Pry.start(o, extra_sticky_locals: { test_local: :carl })
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end
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expect(o.instance_variable_get(:@value)).to eq :carl
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Pry.config.extra_sticky_locals = {}
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end
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end
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it 'should create a new sticky local' do
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t = pry_tester
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t.eval "_pry_.add_sticky_local(:test_local){ :test_value }"
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expect(t.eval("test_local")).to eq(:test_value)
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end
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it 'should still exist after cd-ing into new binding' do
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t = pry_tester
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t.eval "_pry_.add_sticky_local(:test_local){ :test_value }"
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t.eval "cd Object.new"
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expect(t.eval("test_local")).to eq(:test_value)
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end
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it 'should provide different values for successive block invocations' do
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pry = Pry.new
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pry.push_binding binding
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pry.add_sticky_local(:test_local) { rand }
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value1 = pry.evaluate_ruby 'test_local'
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value2 = pry.evaluate_ruby 'test_local'
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expect(value1).not_to eq(value2)
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end
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end
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end
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