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pry--pry/spec/control_d_handler_spec.rb

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require_relative 'helper'
describe Pry::DEFAULT_CONTROL_D_HANDLER do
describe "control-d press" do
before do
# Simulates a ^D press.
@control_d = "Pry::DEFAULT_CONTROL_D_HANDLER.call('', _pry_)"
end
describe "in an expression" do
it "should clear out passed string" do
str = 'hello world'
Pry::DEFAULT_CONTROL_D_HANDLER.call(str, nil)
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expect(str).to eq ''
end
end
describe 'at top-level session' do
it 'should break out of a REPL loop' do
instance = Pry.new
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expect(instance.binding_stack).not_to be_empty
expect(instance.eval(nil)).to equal false
expect(instance.binding_stack).to be_empty
end
end
describe 'in a nested session' do
it 'should pop last binding from the binding stack' do
t = pry_tester
t.eval "cd Object.new"
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expect(t.eval("_pry_.binding_stack.size")).to eq 2
expect(t.eval("_pry_.eval(nil)")).to equal true
expect(t.eval("_pry_.binding_stack.size")).to eq 1
end
it "breaks out of the parent session" do
ReplTester.start do
input 'Pry::REPL.new(_pry_, :target => 10).start'
output ''
prompt(/10.*> $/)
input 'self'
output '=> 10'
input nil # Ctrl-D
output ''
input 'self'
output '=> main'
input nil # Ctrl-D
output '=> nil' # Exit value of nested REPL.
assert_exited
end
end
end
end
end