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pry--pry/spec/color_printer_spec.rb

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require 'helper'
describe Pry::ColorPrinter do
include Pry::Helpers::Text
let(:io) { StringIO.new }
let(:str) { strip_color(io.string.chomp) }
describe '.pp' do
describe 'Object' do
it 'prints a string' do
Pry::ColorPrinter.pp(Object.new, io)
expect(str).to match(/\A#<Object:0x\w+>\z/)
end
end
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describe 'Object subclass' do
before do
class ObjectF < Object
def inspect
'foo'
end
end
class ObjectG < Object
def inspect
raise
end
end
end
after do
Object.send :remove_const, :ObjectF
Object.send :remove_const, :ObjectG
end
it 'prints a string' do
Pry::ColorPrinter.pp(ObjectF.new, io)
expect(str).to eq('foo')
end
it 'prints a string, even when an exception is raised' do
Pry::ColorPrinter.pp(ObjectG.new, io)
expect(str).to match(/\A#<ObjectG:0x\w+>\z/)
end
end
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describe 'BasicObject' do
it 'prints a string' do
Pry::ColorPrinter.pp(BasicObject.new, io)
expect(str).to match(/\A#<BasicObject:0x\w+>\z/)
end
end
describe 'BasicObject subclass' do
before do
class BasicF < BasicObject
def inspect
'foo'
end
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end
class BasicG < BasicObject
def inspect
raise
end
end
end
after do
Object.__send__ :remove_const, :BasicF
Object.__send__ :remove_const, :BasicG
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end
it 'prints a string' do
Pry::ColorPrinter.pp(BasicF.new, io)
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expect(str).to eq("foo")
end
it 'prints a string, even when an exception is raised' do
Pry::ColorPrinter.pp(BasicG.new, io)
expect(str).to match(/\A#<BasicG:0x\w+>\z/)
end
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end
end
end