lib/rx-rspec/nothing.rb
require 'rspec'
require 'rx-rspec/shared'
RSpec::Matchers.define :emit_nothing do
include RxRspec::Shared
match do |actual|
begin
@actual = await_done do |done|
actual.subscribe(
lambda { |event| done.call(:events, event) },
lambda { |err| done.call(:error, err) },
lambda { done.call }
)
end
rescue Exception => err
@actual = [:error, err]
raise err
end
return @actual.nil?
end
failure_message do
type, emitted = @actual
if type == :events
"unexpected #{emitted} emitted"
else
present_error(expected, emitted)
end
end
end