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pry--pry/spec/pry_defaults_spec.rb
2014-05-01 01:51:01 -07:00

428 lines
13 KiB
Ruby

require_relative 'helper'
version = 1
describe "test Pry defaults" do
before do
@str_output = StringIO.new
end
after do
Pry.reset_defaults
Pry.config.color = false
end
describe "input" do
after do
Pry.reset_defaults
Pry.config.color = false
end
it 'should set the input default, and the default should be overridable' do
Pry.config.input = InputTester.new("5")
Pry.config.output = @str_output
Object.new.pry
@str_output.string.should =~ /5/
Pry.config.output = @str_output
Object.new.pry :input => InputTester.new("6")
@str_output.string.should =~ /6/
end
it 'should pass in the prompt if readline arity is 1' do
Pry.prompt = proc { "A" }
arity_one_input = Class.new do
attr_accessor :prompt
def readline(prompt)
@prompt = prompt
"exit-all"
end
end.new
Pry.start(self, :input => arity_one_input, :output => StringIO.new)
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 => StringIO.new) }.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 => StringIO.new)
arity_multi_input.prompt.should == nil
end
end
it 'should set the output default, and the default should be overridable' do
Pry.config.output = @str_output
Pry.config.input = InputTester.new("5")
Object.new.pry
@str_output.string.should =~ /5/
Pry.config.input = InputTester.new("6")
Object.new.pry
@str_output.string.should =~ /5\n.*6/
Pry.config.input = InputTester.new("7")
@str_output = StringIO.new
Object.new.pry :output => @str_output
@str_output.string.should.not =~ /5\n.*6/
@str_output.string.should =~ /7/
end
it "should set the print default, and the default should be overridable" do
new_print = proc { |out, value| out.puts "=> LOL" }
Pry.config.print = new_print
Pry.new.print.should == Pry.config.print
Object.new.pry :input => InputTester.new("\"test\""), :output => @str_output
@str_output.string.should == "=> LOL\n"
@str_output = StringIO.new
Object.new.pry :input => InputTester.new("\"test\""), :output => @str_output,
:print => proc { |out, value| out.puts value.reverse }
@str_output.string.should == "tset\n"
Pry.new.print.should == Pry.config.print
@str_output = StringIO.new
Object.new.pry :input => InputTester.new("\"test\""), :output => @str_output
@str_output.string.should == "=> LOL\n"
end
describe "pry return values" do
it 'should return nil' do
Pry.start(self, :input => StringIO.new("exit-all"), :output => StringIO.new).should == nil
end
it 'should return the parameter given to exit-all' do
Pry.start(self, :input => StringIO.new("exit-all 10"), :output => StringIO.new).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 => StringIO.new).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 => StringIO.new).should == 'cba'
end
it 'should return the parameter (self) given to exit-all' do
Pry.start("carl", :input => StringIO.new("exit-all self"), :output => StringIO.new).should == "carl"
end
end
describe "prompts" do
before do
Pry.config.output = StringIO.new
end
def get_prompts(pry)
a = pry.select_prompt
pry.eval "["
b = pry.select_prompt
pry.eval "]"
[a, b]
end
it 'should set the prompt default, and the default should be overridable (single prompt)' do
Pry.prompt = proc { "test prompt> " }
new_prompt = proc { "A" }
pry = Pry.new
pry.prompt.should == Pry.prompt
get_prompts(pry).should == ["test prompt> ", "test prompt> "]
pry = Pry.new(:prompt => new_prompt)
pry.prompt.should == new_prompt
get_prompts(pry).should == ["A", "A"]
pry = Pry.new
pry.prompt.should == Pry.prompt
get_prompts(pry).should == ["test prompt> ", "test prompt> "]
end
it 'should set the prompt default, and the default should be overridable (multi prompt)' do
Pry.prompt = [proc { "test prompt> " }, proc { "test prompt* " }]
new_prompt = [proc { "A" }, proc { "B" }]
pry = Pry.new
pry.prompt.should == Pry.prompt
get_prompts(pry).should == ["test prompt> ", "test prompt* "]
pry = Pry.new(:prompt => new_prompt)
pry.prompt.should == new_prompt
get_prompts(pry).should == ["A", "B"]
pry = Pry.new
pry.prompt.should == Pry.prompt
get_prompts(pry).should == ["test prompt> ", "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(:prompt => [ proc { 'P>' } ] * 2)
pry.select_prompt.should == "P>"
pry.process_command('shell-mode')
pry.select_prompt.should =~ /\Apry .* \$ \z/
pry.process_command('shell-mode')
pry.select_prompt.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
DEFAULT_OPTIONS = {
max_length: 60
}
MAX_LENGTH = DEFAULT_OPTIONS[:max_length]
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" * MAX_LENGTH; end
Pry.view_clip(o, DEFAULT_OPTIONS).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, DEFAULT_OPTIONS).should == o.to_s
end
end
describe "the list of prompt safe objects" 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, DEFAULT_OPTIONS).should == o.inspect
end
end
it "returns #<> format of the special-cased immediate object if #inspect is longer than maximum" do
o = "o" * (MAX_LENGTH + 1)
Pry.view_clip(o, DEFAULT_OPTIONS).should =~ /#<String/
end
it "returns the #inspect of the custom prompt safe objects" do
Barbie = Class.new { def inspect; "life is plastic, it's fantastic" end }
Pry.config.prompt_safe_objects << Barbie
output = Pry.view_clip(Barbie.new, DEFAULT_OPTIONS)
output.should == "life is plastic, it's fantastic"
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" * DEFAULT_OPTIONS; end
Pry.view_clip(o, DEFAULT_OPTIONS).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" * (DEFAULT_OPTIONS + 1); end
Pry.view_clip(o, DEFAULT_OPTIONS).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, DEFAULT_OPTIONS).should =~ /#<Class/
Pry.view_clip(m, DEFAULT_OPTIONS).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" * (MAX_LENGTH + 1); end
def m.name; "a" * (MAX_LENGTH + 1); end
Pry.view_clip(c, DEFAULT_OPTIONS).should =~ /#<Class/
Pry.view_clip(m, DEFAULT_OPTIONS).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" * MAX_LENGTH; end
def m.name; "a" * MAX_LENGTH; end
Pry.view_clip(c, DEFAULT_OPTIONS).should == c.name
Pry.view_clip(m, DEFAULT_OPTIONS).should == m.name
end
end
end
end
end
describe 'quiet' do
it 'should show whereami by default' do
Pry.start(binding, :input => InputTester.new("1", "exit-all"),
:output => @str_output,
:hooks => Pry::DEFAULT_HOOKS)
@str_output.string.should =~ /[w]hereami by default/
end
it 'should hide whereami if quiet is set' do
Pry.new(:input => InputTester.new("exit-all"),
:output => @str_output,
:quiet => true,
:hooks => Pry::DEFAULT_HOOKS)
@str_output.string.should == ""
end
end
describe 'toplevel_binding' do
it 'should be devoid of local variables' do
pry_eval(Pry.toplevel_binding, "ls -l").should.not =~ /version/
end
it 'should have self the same as TOPLEVEL_BINDING' do
Pry.toplevel_binding.eval('self').should.equal? TOPLEVEL_BINDING.eval('self')
end
# https://github.com/rubinius/rubinius/issues/1779
unless Pry::Helpers::BaseHelpers.rbx?
it 'should define private methods on Object' do
TOPLEVEL_BINDING.eval 'def gooey_fooey; end'
method(:gooey_fooey).owner.should == Object
Pry::Method(method(:gooey_fooey)).visibility.should == :private
end
end
end
it 'should set the hooks default, and the default should be overridable' do
Pry.config.input = InputTester.new("exit-all")
Pry.config.hooks = Pry::Hooks.new.
add_hook(:before_session, :my_name) { |out,_,_| out.puts "HELLO" }.
add_hook(:after_session, :my_name) { |out,_,_| out.puts "BYE" }
Object.new.pry :output => @str_output
@str_output.string.should =~ /HELLO/
@str_output.string.should =~ /BYE/
Pry.config.input.rewind
@str_output = StringIO.new
Object.new.pry :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" }
@str_output.string.should =~ /MORNING/
@str_output.string.should =~ /EVENING/
# try below with just defining one hook
Pry.config.input.rewind
@str_output = StringIO.new
Object.new.pry :output => @str_output,
:hooks => Pry::Hooks.new.
add_hook(:before_session, :my_name) { |out,_,_| out.puts "OPEN" }
@str_output.string.should =~ /OPEN/
Pry.config.input.rewind
@str_output = StringIO.new
Object.new.pry :output => @str_output,
:hooks => Pry::Hooks.new.
add_hook(:after_session, :my_name) { |out,_,_| out.puts "CLOSE" }
@str_output.string.should =~ /CLOSE/
Pry.reset_defaults
Pry.config.color = false
end
end