1334 lines
47 KiB
Ruby
1334 lines
47 KiB
Ruby
require 'helper'
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describe Pry do
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if RUBY_VERSION =~ /1.9/
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describe "Exotic object support" do
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# regression test for exotic object support
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it "Should not error when return value is a BasicObject instance" do
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lambda do
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redirect_pry_io(InputTester.new("BasicObject.new", "exit-all"), StringIO.new) do
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Pry.start
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end
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end.should.not.raise NoMethodError
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end
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end
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end
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describe "Pry.binding_for" do
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# regression test for burg's bug (see git history)
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it "Should not error when object doesn't have a valid == method" do
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o = Object.new
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def o.==(other)
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raise
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end
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lambda { Pry.binding_for(o) }.should.not.raise Exception
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end
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end
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describe "open a Pry session on an object" do
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describe "rep" do
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before do
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class Hello
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end
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end
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after do
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Object.send(:remove_const, :Hello)
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end
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# bug fix for https://github.com/banister/pry/issues/93
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it 'should not leak pry constants into Object namespace' do
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input_string = "Command"
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str_output = StringIO.new
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o = Object.new
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pry_tester = Pry.new(:input => StringIO.new(input_string),
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:output => str_output,
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:exception_handler => proc { |_, exception, _pry_| @excep = exception },
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:print => proc {}
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).rep(o)
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@excep.is_a?(NameError).should == true
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end
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if defined?(BasicObject)
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it 'should be able to operate inside the BasicObject class' do
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$obj = nil
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redirect_pry_io(InputTester.new(":foo", "$obj = _", "exit-all"), StringIO.new) do
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BasicObject.pry
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end
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$obj.should == :foo
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$obj = nil
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end
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end
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it 'should set an ivar on an object' do
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input_string = "@x = 10"
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input = InputTester.new(input_string)
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o = Object.new
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pry_tester = Pry.new(:input => input, :output => Pry::NullOutput)
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pry_tester.rep(o)
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o.instance_variable_get(:@x).should == 10
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end
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it 'should display error and throw(:breakout) if Pry instance runs out of input' do
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str_output = StringIO.new
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catch(:breakout) do
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redirect_pry_io(StringIO.new(":nothing\n"), str_output) do
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Pry.new.repl
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end
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end
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str_output.string.should =~ /Error: Pry ran out of things to read/
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end
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it 'should make self evaluate to the receiver of the rep session' do
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o = :john
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str_output = StringIO.new
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pry_tester = Pry.new(:input => InputTester.new("self"), :output => str_output)
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pry_tester.rep(o)
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str_output.string.should =~ /:john/
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end
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it 'should work with multi-line input' do
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o = Object.new
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str_output = StringIO.new
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pry_tester = Pry.new(:input => InputTester.new("x = ", "1 + 4"), :output => str_output)
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pry_tester.rep(o)
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str_output.string.should =~ /5/
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end
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it 'should define a nested class under Hello and not on top-level or Pry' do
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pry_tester = Pry.new(:input => InputTester.new("class Nested", "end"), :output => Pry::NullOutput)
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pry_tester.rep(Hello)
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Hello.const_defined?(:Nested).should == true
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end
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it 'should suppress output if input ends in a ";" and is an Exception object (single line)' do
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o = Object.new
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str_output = StringIO.new
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pry_tester = Pry.new(:input => InputTester.new("Exception.new;"), :output => str_output)
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pry_tester.rep(o)
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str_output.string.should == ""
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end
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it 'should suppress output if input ends in a ";" (single line)' do
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o = Object.new
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str_output = StringIO.new
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pry_tester = Pry.new(:input => InputTester.new("x = 5;"), :output => str_output)
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pry_tester.rep(o)
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str_output.string.should == ""
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end
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it 'should suppress output if input ends in a ";" (multi-line)' do
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o = Object.new
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str_output = StringIO.new
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pry_tester = Pry.new(:input => InputTester.new("def self.blah", ":test", "end;"), :output => str_output)
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pry_tester.rep(o)
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str_output.string.should == ""
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end
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it 'should be able to evaluate exceptions normally' do
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o = Exception.new
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str_output = StringIO.new
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was_called = false
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pry_tester = Pry.new(:input => InputTester.new("self"),
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:output => str_output,
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:exception_handler => proc { was_called = true })
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pry_tester.rep(o)
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was_called.should == false
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end
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it 'should notice when exceptions are raised' do
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o = Exception.new
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str_output = StringIO.new
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was_called = false
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pry_tester = Pry.new(:input => InputTester.new("raise self"),
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:output => str_output,
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:exception_handler => proc { was_called = true })
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pry_tester.rep(o)
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was_called.should == true
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end
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it 'should not try to catch intended exceptions' do
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lambda { mock_pry("raise SystemExit") }.should.raise SystemExit
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# SIGTERM
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lambda { mock_pry("raise SignalException.new(15)") }.should.raise SignalException
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end
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end
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describe "Pry#run_command" do
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it 'should run a command in a specified context' do
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b = Pry.binding_for(7)
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p = Pry.new(:output => StringIO.new)
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p.run_command("ls -m", "", b)
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p.output.string.should =~ /divmod/
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end
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it 'should run a command that modifies the passed in eval_string' do
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b = Pry.binding_for(7)
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p = Pry.new(:output => StringIO.new)
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eval_string = "def hello\npeter pan\n"
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p.run_command("amend-line !", eval_string, b)
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eval_string.should =~ /def hello/
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eval_string.should.not =~ /peter pan/
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end
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it 'should run a command in the context of a session' do
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mock_pry("@session_ivar = 10", "_pry_.run_command('ls')").should =~ /@session_ivar/
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end
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end
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describe "repl" do
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describe "basic functionality" do
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it 'should set an ivar on an object and exit the repl' do
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input_strings = ["@x = 10", "exit-all"]
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input = InputTester.new(*input_strings)
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o = Object.new
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pry_tester = Pry.start(o, :input => input, :output => Pry::NullOutput)
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o.instance_variable_get(:@x).should == 10
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end
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end
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describe "complete_expression?" do
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it "should not mutate the input!" do
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clean = "puts <<-FOO\nhi\nFOO\n"
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a = clean.dup
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Pry.new.complete_expression?(a)
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a.should == clean
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end
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end
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describe "history arrays" do
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it 'sets _ to the last result' do
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res = []
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input = InputTester.new *[":foo", "self << _", "42", "self << _"]
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pry = Pry.new(:input => input, :output => Pry::NullOutput)
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pry.repl(res)
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res.should == [:foo, 42]
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end
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it 'sets out to an array with the result' do
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res = {}
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input = InputTester.new *[":foo", "42", "self[:res] = _out_"]
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pry = Pry.new(:input => input, :output => Pry::NullOutput)
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pry.repl(res)
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res[:res].should.be.kind_of Pry::HistoryArray
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res[:res][1..2].should == [:foo, 42]
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end
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it 'sets _in_ to an array with the entered lines' do
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res = {}
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input = InputTester.new *[":foo", "42", "self[:res] = _in_"]
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pry = Pry.new(:input => input, :output => Pry::NullOutput)
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pry.repl(res)
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res[:res].should.be.kind_of Pry::HistoryArray
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res[:res][1..2].should == [":foo\n", "42\n"]
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end
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it 'uses 100 as the size of _in_ and _out_' do
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res = []
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input = InputTester.new *["self << _out_.max_size << _in_.max_size"]
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pry = Pry.new(:input => input, :output => Pry::NullOutput)
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pry.repl(res)
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res.should == [100, 100]
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end
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it 'can change the size of the history arrays' do
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res = []
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input = InputTester.new *["self << _out_.max_size << _in_.max_size"]
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pry = Pry.new(:input => input, :output => Pry::NullOutput,
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:memory_size => 1000)
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pry.repl(res)
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res.should == [1000, 1000]
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end
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it 'store exceptions' do
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res = []
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input = InputTester.new *["foo!","self << _in_[-1] << _out_[-1]"]
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pry = Pry.new(:input => input, :output => Pry::NullOutput,
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:memory_size => 1000)
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pry.repl(res)
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res.first.should == "foo!\n"
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res.last.should.be.kind_of NoMethodError
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end
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end
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describe "test loading rc files" do
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before do
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Pry.instance_variable_set(:@initial_session, true)
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end
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after do
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Pry::RC_FILES.clear
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Pry.config.should_load_rc = false
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end
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it "should run the rc file only once" do
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Pry.config.should_load_rc = true
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2.times { Pry::RC_FILES << File.expand_path("../testrc", __FILE__) }
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Pry.start(self, :input => StringIO.new("exit-all\n"), :output => Pry::NullOutput)
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TEST_RC.should == [0]
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Pry.start(self, :input => StringIO.new("exit-all\n"), :output => Pry::NullOutput)
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TEST_RC.should == [0]
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Object.remove_const(:TEST_RC)
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end
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it "should not run the rc file at all if Pry.config.should_load_rc is false" do
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Pry.config.should_load_rc = false
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Pry.start(self, :input => StringIO.new("exit-all\n"), :output => Pry::NullOutput)
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Object.const_defined?(:TEST_RC).should == false
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end
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it "should not load the rc file if #repl method invoked" do
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Pry.config.should_load_rc = true
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Pry.new(:input => StringIO.new("exit-all\n"), :output => Pry::NullOutput).repl(self)
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Object.const_defined?(:TEST_RC).should == false
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Pry.config.should_load_rc = false
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end
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describe "that raise exceptions" do
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before do
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Pry::RC_FILES << File.expand_path("../testrcbad", __FILE__)
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Pry.config.should_load_rc = true
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putsed = nil
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# YUCK! horrible hack to get round the fact that output is not configured
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# at the point this message is printed.
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(class << Pry; self; end).send(:define_method, :puts) { |str|
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putsed = str
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}
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@doing_it = lambda{
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Pry.start(self, :input => StringIO.new("Object::TEST_AFTER_RAISE=1\nexit-all\n"), :output => Pry::NullOutput)
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putsed
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}
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end
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after do
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Object.remove_const(:TEST_BEFORE_RAISE)
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Object.remove_const(:TEST_AFTER_RAISE)
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(class << Pry; undef_method :puts; end)
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end
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it "should not raise exceptions" do
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@doing_it.should.not.raise
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end
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it "should continue to run pry" do
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@doing_it[]
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Object.const_defined?(:TEST_BEFORE_RAISE).should == true
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Object.const_defined?(:TEST_AFTER_RAISE).should == true
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end
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it "should output an error" do
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@doing_it[].should =~ /Error loading #{File.expand_path("../testrcbad", __FILE__)}: messin with ya/
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end
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end
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end
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describe "nesting" do
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after do
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Pry.reset_defaults
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Pry.color = false
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end
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it 'should nest properly' do
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Pry.input = InputTester.new("cd 1", "cd 2", "cd 3", "\"nest:\#\{(_pry_.binding_stack.size - 1)\}\"", "exit-all")
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str_output = StringIO.new
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Pry.output = str_output
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o = Object.new
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pry_tester = o.pry
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str_output.string.should =~ /nest:3/
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end
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end
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describe "defining methods" do
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it 'should define a method on the singleton class of an object when performing "def meth;end" inside the object' do
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[Object.new, {}, []].each do |val|
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str_input = StringIO.new("def hello;end")
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Pry.new(:input => str_input, :output => StringIO.new).rep(val)
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val.methods(false).map(&:to_sym).include?(:hello).should == true
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end
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end
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it 'should define an instance method on the module when performing "def meth;end" inside the module' do
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str_input = StringIO.new("def hello;end")
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hello = Module.new
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Pry.new(:input => str_input, :output => StringIO.new).rep(hello)
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hello.instance_methods(false).map(&:to_sym).include?(:hello).should == true
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end
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it 'should define an instance method on the class when performing "def meth;end" inside the class' do
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str_input = StringIO.new("def hello;end")
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hello = Class.new
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Pry.new(:input => str_input, :output => StringIO.new).rep(hello)
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hello.instance_methods(false).map(&:to_sym).include?(:hello).should == true
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end
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it 'should define a method on the class of an object when performing "def meth;end" inside an immediate value or Numeric' do
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# should include float in here, but test fails for some reason
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# on 1.8.7, no idea why!
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[:test, 0, true, false, nil].each do |val|
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str_input = StringIO.new("def hello;end")
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Pry.new(:input => str_input, :output => StringIO.new).rep(val)
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val.class.instance_methods(false).map(&:to_sym).include?(:hello).should == true
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end
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end
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end
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describe "commands" do
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it 'should run a command with no parameter' do
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pry_tester = Pry.new
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pry_tester.commands = CommandTester
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pry_tester.input = InputTester.new("command1", "exit-all")
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pry_tester.commands = CommandTester
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str_output = StringIO.new
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pry_tester.output = str_output
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pry_tester.rep
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str_output.string.should =~ /command1/
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end
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it 'should run a command with one parameter' do
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pry_tester = Pry.new
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pry_tester.commands = CommandTester
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pry_tester.input = InputTester.new("command2 horsey", "exit-all")
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pry_tester.commands = CommandTester
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str_output = StringIO.new
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pry_tester.output = str_output
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pry_tester.rep
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str_output.string.should =~ /horsey/
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end
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end
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describe "Object#pry" do
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after do
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Pry.reset_defaults
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Pry.color = false
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end
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it "should start a pry session on the receiver (first form)" do
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Pry.input = InputTester.new("self", "exit-all")
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str_output = StringIO.new
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Pry.output = str_output
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20.pry
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str_output.string.should =~ /20/
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end
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it "should start a pry session on the receiver (second form)" do
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Pry.input = InputTester.new("self", "exit-all")
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str_output = StringIO.new
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Pry.output = str_output
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pry 20
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str_output.string.should =~ /20/
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end
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it "should error if more than one argument is passed to Object#pry" do
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lambda { pry(20, :input => Readline) }.should.raise ArgumentError
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end
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end
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describe "Pry.binding_for" do
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it 'should return TOPLEVEL_BINDING if parameter self is main' do
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_main_ = lambda { TOPLEVEL_BINDING.eval('self') }
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Pry.binding_for(_main_.call).is_a?(Binding).should == true
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Pry.binding_for(_main_.call).should == TOPLEVEL_BINDING
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Pry.binding_for(_main_.call).should == Pry.binding_for(_main_.call)
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end
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end
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describe "test Pry defaults" do
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after do
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Pry.reset_defaults
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Pry.color = false
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end
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describe "input" do
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after do
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Pry.reset_defaults
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Pry.color = false
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end
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it 'should set the input default, and the default should be overridable' do
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Pry.input = InputTester.new("5")
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str_output = StringIO.new
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Pry.output = str_output
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Pry.new.rep
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str_output.string.should =~ /5/
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Pry.new(:input => InputTester.new("6")).rep
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str_output.string.should =~ /6/
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end
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it 'should pass in the prompt if readline arity is 1' do
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Pry.prompt = proc { "A" }
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arity_one_input = Class.new do
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attr_accessor :prompt
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def readline(prompt)
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@prompt = prompt
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"exit-all"
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end
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end.new
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|
|
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-all"
|
|
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-all"
|
|
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/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 = 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('format \'#{aggy}\''), :output => str_output).rep
|
|
str_output.string.should.not =~ /NameError/
|
|
|
|
Pry.new(:input => StringIO.new('format #{aggy}'), :output => str_output).rep
|
|
str_output.string.should.not =~ /NameError/
|
|
|
|
$test_interpolation = "blah"
|
|
Pry.new(:input => StringIO.new('format \'#{$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
|
|
str_output = StringIO.new
|
|
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
|
|
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 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
|
|
str_output = StringIO.new
|
|
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
|
|
str_output = StringIO.new
|
|
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
|
|
str_output = StringIO.new
|
|
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
|
|
str_output = StringIO.new
|
|
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
|
|
str_output = StringIO.new
|
|
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
|
|
|
|
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 nil' do
|
|
Pry.start(self, :input => StringIO.new("exit-all"), :output => Pry::NullOutput).should == nil
|
|
end
|
|
|
|
it 'should return the parameter given to exit-all' do
|
|
Pry.start(self, :input => StringIO.new("exit-all 10"), :output => Pry::NullOutput).should == 10
|
|
end
|
|
|
|
it 'should return the parameter (multi word string) given to exit-all' do
|
|
Pry.start(self, :input => StringIO.new("exit-all \"john mair\""), :output => Pry::NullOutput).should == "john mair"
|
|
end
|
|
|
|
it 'should return the parameter (function call) given to exit-all' do
|
|
Pry.start(self, :input => StringIO.new("exit-all 'abc'.reverse"), :output => Pry::NullOutput).should == 'cba'
|
|
end
|
|
|
|
it 'should return the parameter (self) given to exit-all' do
|
|
Pry.start("carl", :input => StringIO.new("exit-all self"), :output => Pry::NullOutput).should == "carl"
|
|
end
|
|
end
|
|
|
|
describe "prompts" do
|
|
before do
|
|
@empty_input_buffer = ""
|
|
@non_empty_input_buffer = "def hello"
|
|
@context = Pry.binding_for(0)
|
|
end
|
|
|
|
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(@empty_input_buffer, @context).should == "test prompt> "
|
|
Pry.new.select_prompt(@non_empty_input_buffer, @context).should == "test prompt> "
|
|
|
|
new_prompt = proc { "A" }
|
|
pry_tester = Pry.new(:prompt => new_prompt)
|
|
pry_tester.prompt.should == new_prompt
|
|
pry_tester.select_prompt(@empty_input_buffer, @context).should == "A"
|
|
pry_tester.select_prompt(@non_empty_input_buffer, @context).should == "A"
|
|
|
|
Pry.new.prompt.should == Pry.prompt
|
|
Pry.new.select_prompt(@empty_input_buffer, @context).should == "test prompt> "
|
|
Pry.new.select_prompt(@non_empty_input_buffer, @context).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(@empty_input_buffer, @context).should == "test prompt> "
|
|
Pry.new.select_prompt(@non_empty_input_buffer, @context).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(@empty_input_buffer, @context).should == "A"
|
|
pry_tester.select_prompt(@non_empty_input_buffer, @context).should == "B"
|
|
|
|
Pry.new.prompt.should == Pry.prompt
|
|
Pry.new.select_prompt(@empty_input_buffer, @context).should == "test prompt> "
|
|
Pry.new.select_prompt(@non_empty_input_buffer, @context).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
|
|
@pry.prompt.should == @c
|
|
@pry.pop_prompt
|
|
@pry.prompt.should == @b
|
|
@pry.pop_prompt
|
|
@pry.prompt.should == @a
|
|
end
|
|
|
|
it 'should restore overridden prompts when returning from file-mode' do
|
|
pry = Pry.new :input => InputTester.new('shell-mode', 'shell-mode'),
|
|
:prompt => [ proc { 'P>' } ] * 2
|
|
pry.select_prompt(@empty_input_buffer, @context).should == "P>"
|
|
pry.re
|
|
pry.select_prompt(@empty_input_buffer, @context).should =~ /\Apry .* \$ \z/
|
|
pry.re
|
|
pry.select_prompt(@empty_input_buffer, @context).should == "P>"
|
|
end
|
|
|
|
it '#pop_prompt should return the popped prompt' do
|
|
@pry.push_prompt @b
|
|
@pry.push_prompt @c
|
|
@pry.pop_prompt.should == @c
|
|
@pry.pop_prompt.should == @b
|
|
end
|
|
|
|
it 'should not pop the last prompt' do
|
|
@pry.push_prompt @b
|
|
@pry.pop_prompt.should == @b
|
|
@pry.pop_prompt.should == @a
|
|
@pry.pop_prompt.should == @a
|
|
@pry.prompt.should == @a
|
|
end
|
|
|
|
describe '#prompt= should replace the current prompt with the new prompt' do
|
|
it 'when only one prompt on the stack' do
|
|
@pry.prompt = @b
|
|
@pry.prompt.should == @b
|
|
@pry.pop_prompt.should == @b
|
|
@pry.pop_prompt.should == @b
|
|
end
|
|
it 'when several prompts on the stack' do
|
|
@pry.push_prompt @b
|
|
@pry.prompt = @c
|
|
@pry.pop_prompt.should == @c
|
|
@pry.pop_prompt.should == @a
|
|
end
|
|
end
|
|
end
|
|
end
|
|
|
|
describe "view_clip used for displaying an object in a truncated format" do
|
|
|
|
VC_MAX_LENGTH = 60
|
|
|
|
describe "given an object with an #inspect string" do
|
|
it "returns the #<> format of the object (never use inspect)" do
|
|
o = Object.new
|
|
def o.inspect; "a" * VC_MAX_LENGTH; end
|
|
|
|
Pry.view_clip(o, VC_MAX_LENGTH).should =~ /#<Object/
|
|
end
|
|
end
|
|
|
|
describe "given the 'main' object" do
|
|
it "returns the #to_s of main (special case)" do
|
|
o = TOPLEVEL_BINDING.eval('self')
|
|
Pry.view_clip(o, VC_MAX_LENGTH).should == o.to_s
|
|
end
|
|
end
|
|
|
|
describe "given the a Numeric, String or Symbol object" do
|
|
[1, 2.0, -5, "hello", :test].each do |o|
|
|
it "returns the #inspect of the special-cased immediate object: #{o}" do
|
|
Pry.view_clip(o, VC_MAX_LENGTH).should == o.inspect
|
|
end
|
|
end
|
|
|
|
# only testing with String here :)
|
|
it "returns #<> format of the special-cased immediate object if #inspect is longer than maximum" do
|
|
o = "o" * (VC_MAX_LENGTH + 1)
|
|
Pry.view_clip(o, VC_MAX_LENGTH).should =~ /#<String/
|
|
end
|
|
end
|
|
|
|
describe "given an object with an #inspect string as long as the maximum specified" do
|
|
it "returns the #<> format of the object (never use inspect)" do
|
|
o = Object.new
|
|
def o.inspect; "a" * VC_MAX_LENGTH; end
|
|
|
|
Pry.view_clip(o, VC_MAX_LENGTH).should =~ /#<Object/
|
|
end
|
|
end
|
|
|
|
describe "given a regular object with an #inspect string longer than the maximum specified" do
|
|
|
|
describe "when the object is a regular one" do
|
|
it "returns a string of the #<class name:object idish> format" do
|
|
o = Object.new
|
|
def o.inspect; "a" * (VC_MAX_LENGTH + 1); end
|
|
|
|
Pry.view_clip(o, VC_MAX_LENGTH).should =~ /#<Object/
|
|
end
|
|
end
|
|
|
|
describe "when the object is a Class or a Module" do
|
|
describe "without a name (usually a c = Class.new)" do
|
|
it "returns a string of the #<class name:object idish> format" do
|
|
c, m = Class.new, Module.new
|
|
|
|
Pry.view_clip(c, VC_MAX_LENGTH).should =~ /#<Class/
|
|
Pry.view_clip(m, VC_MAX_LENGTH).should =~ /#<Module/
|
|
end
|
|
end
|
|
|
|
describe "with a #name longer than the maximum specified" do
|
|
it "returns a string of the #<class name:object idish> format" do
|
|
c, m = Class.new, Module.new
|
|
|
|
|
|
def c.name; "a" * (VC_MAX_LENGTH + 1); end
|
|
def m.name; "a" * (VC_MAX_LENGTH + 1); end
|
|
|
|
Pry.view_clip(c, VC_MAX_LENGTH).should =~ /#<Class/
|
|
Pry.view_clip(m, VC_MAX_LENGTH).should =~ /#<Module/
|
|
end
|
|
end
|
|
|
|
describe "with a #name shorter than or equal to the maximum specified" do
|
|
it "returns a string of the #<class name:object idish> format" do
|
|
c, m = Class.new, Module.new
|
|
|
|
def c.name; "a" * VC_MAX_LENGTH; end
|
|
def m.name; "a" * VC_MAX_LENGTH; end
|
|
|
|
Pry.view_clip(c, VC_MAX_LENGTH).should == c.name
|
|
Pry.view_clip(m, VC_MAX_LENGTH).should == m.name
|
|
end
|
|
end
|
|
|
|
end
|
|
|
|
end
|
|
|
|
end
|
|
|
|
it 'should set the hooks default, and the default should be overridable' do
|
|
Pry.input = InputTester.new("exit-all")
|
|
Pry.hooks = Pry::Hooks.new.
|
|
add_hook(:before_session, :my_name) { |out,_,_| out.puts "HELLO" }.
|
|
add_hook(:after_session, :my_name) { |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 => Pry::Hooks.new.
|
|
add_hook( :before_session, :my_name) { |out,_,_| out.puts "MORNING" }.
|
|
add_hook(:after_session, :my_name) { |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 => Pry::Hooks.new.
|
|
add_hook(:before_session, :my_name) { |out,_,_| out.puts "OPEN" }
|
|
).repl
|
|
|
|
str_output.string.should =~ /OPEN/
|
|
|
|
Pry.input.rewind
|
|
str_output = StringIO.new
|
|
Pry.new(:output => str_output,
|
|
:hooks => Pry::Hooks.new.
|
|
add_hook(:after_session, :my_name) { |out,_,_| out.puts "CLOSE" }
|
|
).repl
|
|
|
|
str_output.string.should =~ /CLOSE/
|
|
|
|
Pry.reset_defaults
|
|
Pry.color = false
|
|
end
|
|
end
|
|
end
|
|
end
|
|
|
|
describe 'setting custom options' do
|
|
it 'should not raise for unrecognized options' do
|
|
should.not.raise?(NoMethodError) {
|
|
instance = Pry.new(:custom_option => 'custom value')
|
|
}
|
|
end
|
|
end
|
|
end
|