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# frozen_string_literal: true
RSpec.describe Pry::ExceptionHandler do
describe ".handle_exception" do
let(:output) { StringIO.new }
let(:pry_instance) { Pry.new }
context "when exception is a UserError and a SyntaxError" do
let(:exception) do
SyntaxError.new('cool syntax error, dude').extend(Pry::UserError)
end
it "prints the syntax error with customized message" do
described_class.handle_exception(output, exception, pry_instance)
expect(output.string).to start_with("SyntaxError: dude\n")
end
end
context "when exception is a standard error" do
let(:exception) do
error = StandardError.new('oops')
error.set_backtrace(["/bin/pry:23:in `<main>'"])
error
end
it "prints standard error message" do
described_class.handle_exception(output, exception, pry_instance)
expect(output.string)
.to eq("StandardError: oops\nfrom /bin/pry:23:in `<main>'\n")
end
end
context "when exception is a nested standard error" do
let(:exception) do
error = nil
begin
begin
raise 'nested oops'
rescue # rubocop:disable Style/RescueStandardError
raise 'outer oops'
end
rescue StandardError => outer_error
error = outer_error
end
error
end
before do
if RUBY_VERSION.start_with?('2.0')
skip("Ruby #{RUBY_VERSION} doesn't support nested exceptions")
end
end
it "prints standard error message" do
described_class.handle_exception(output, exception, pry_instance)
expect(output.string).to match(
/RuntimeError:\souter\soops\n
from\s.+\n
Caused\sby\sRuntimeError:\snested\soops\n
from.+/x
)
end
end
end
end
|
