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# frozen_string_literal: true
describe Pry::REPL do
it "should let you run commands in the middle of multiline expressions" do
ReplTester.start do
input 'def a'
input '!'
output(/^Input buffer cleared/)
input '5'
output '=> 5'
end
end
it "should rescue exceptions" do
ReplTester.start do
input 'raise "lorum"'
output(/^RuntimeError: lorum/)
if defined?(java)
input 'raise java.lang.Exception.new("foo")'
output(/Exception: foo/)
input 'raise java.io.IOException.new("bar")'
output(/IOException: bar/)
end
end
end
describe "eval_string and binding_stack" do
it "shouldn't break if we start a nested REPL" do
ReplTester.start do
input 'Pry::REPL.new(pry_instance, :target => 10).start'
output ''
prompt(/10.*> $/)
input 'self'
output '=> 10'
input nil # Ctrl-D
output ''
input 'self'
output '=> main'
end
end
it "shouldn't break if we start a nested instance" do
ReplTester.start do
input 'Pry.start(10)'
output ''
prompt(/10.*> $/)
input 'self'
output '=> 10'
input nil # Ctrl-D
output '=> nil' # return value of Pry session
input 'self'
output '=> main'
end
end
it "shouldn't break if we pop bindings in Ruby" do
ReplTester.start do
input 'cd 10'
output ''
prompt(/10.*> $/)
input 'pry_instance.binding_stack.pop'
output(/^=> #<Binding/)
prompt(/main.*> $/)
input 'pry_instance.binding_stack.pop'
output(/^=> #<Binding/)
assert_exited
end
end
it "should immediately evaluate eval_string after cmd if complete" do
set = Pry::CommandSet.new do
import Pry::Commands
command 'hello!' do
eval_string.replace('"hello"')
end
end
ReplTester.start(commands: set) do
input 'def x'
output ''
prompt(/\* $/)
input 'hello!'
output '=> "hello"'
prompt(/> $/)
end
end
end
describe "space prefix" do
describe "with 1 space" do
it "it prioritizes variables over commands" do
expect(pry_eval(' ls = 2+2', ' ls')).to eq(4)
end
end
describe "with more than 1 space" do
it "prioritizes commands over variables" do
expect(mock_pry(' ls = 2+2')).to match(/SyntaxError.+unexpected '='/)
end
end
end
describe "#piping?" do
it "returns false when $stdout is a non-IO object" do
repl = described_class.new(Pry.new, {})
old_stdout = $stdout
$stdout = Class.new { def write(*) end }.new
expect(repl.send(:piping?)).to eq(false)
$stdout = old_stdout
end
end
describe "autoindent" do
it "should raise no exception when indented with a tab" do
ReplTester.start(correct_indent: true, auto_indent: true) do
output = @pry.config.output
def output.tty?
true
end
input <<TAB
loop do
break #note the tab here
end
TAB
output("do\n break #note the tab here\nend\n\e[1B\e[0G=> nil")
end
end
end
end
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