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require 'helper'
describe "test Pry defaults" do
after do
Pry.reset_defaults
Pry.color = false
end
describe "input" do
after do
Pry.reset_defaults
Pry.color = false
end
it 'should set the input default, and the default should be overridable' do
Pry.input = InputTester.new("5")
str_output = StringIO.new
Pry.output = str_output
Pry.new.rep
str_output.string.should =~ /5/
Pry.new(:input => InputTester.new("6")).rep
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 => 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
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
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