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1b86d90136
In Ruby 2.3 or later, `String#+@` is available and `+@` is faster than `dup`. ```ruby # frozen_string_literal: true require "bundler/inline" gemfile(true) do source "https://rubygems.org" gem "benchmark-ips" end Benchmark.ips do |x| x.report('+@') { +"" } x.report('dup') { "".dup } x.compare! end ``` ``` $ ruby -v benchmark.rb ruby 2.5.1p57 (2018-03-29 revision 63029) [x86_64-linux] Warming up -------------------------------------- +@ 282.289k i/100ms dup 187.638k i/100ms Calculating ------------------------------------- +@ 6.775M (± 3.6%) i/s - 33.875M in 5.006253s dup 3.320M (± 2.2%) i/s - 16.700M in 5.032125s Comparison: +@: 6775299.3 i/s dup: 3320400.7 i/s - 2.04x slower ```
106 lines
4.2 KiB
Ruby
106 lines
4.2 KiB
Ruby
# frozen_string_literal: true
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module ActionDispatch
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module Assertions
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# A small suite of assertions that test responses from \Rails applications.
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module ResponseAssertions
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RESPONSE_PREDICATES = { # :nodoc:
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success: :successful?,
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missing: :not_found?,
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redirect: :redirection?,
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error: :server_error?,
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}
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# Asserts that the response is one of the following types:
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#
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# * <tt>:success</tt> - Status code was in the 200-299 range
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# * <tt>:redirect</tt> - Status code was in the 300-399 range
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# * <tt>:missing</tt> - Status code was 404
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# * <tt>:error</tt> - Status code was in the 500-599 range
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#
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# You can also pass an explicit status number like <tt>assert_response(501)</tt>
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# or its symbolic equivalent <tt>assert_response(:not_implemented)</tt>.
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# See Rack::Utils::SYMBOL_TO_STATUS_CODE for a full list.
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#
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# # Asserts that the response was a redirection
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# assert_response :redirect
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#
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# # Asserts that the response code was status code 401 (unauthorized)
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# assert_response 401
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def assert_response(type, message = nil)
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message ||= generate_response_message(type)
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if RESPONSE_PREDICATES.keys.include?(type)
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assert @response.send(RESPONSE_PREDICATES[type]), message
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else
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assert_equal AssertionResponse.new(type).code, @response.response_code, message
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end
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end
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# Asserts that the redirection options passed in match those of the redirect called in the latest action.
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# This match can be partial, such that <tt>assert_redirected_to(controller: "weblog")</tt> will also
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# match the redirection of <tt>redirect_to(controller: "weblog", action: "show")</tt> and so on.
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#
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# # Asserts that the redirection was to the "index" action on the WeblogController
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# assert_redirected_to controller: "weblog", action: "index"
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#
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# # Asserts that the redirection was to the named route login_url
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# assert_redirected_to login_url
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#
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# # Asserts that the redirection was to the URL for @customer
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# assert_redirected_to @customer
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#
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# # Asserts that the redirection matches the regular expression
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# assert_redirected_to %r(\Ahttp://example.org)
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def assert_redirected_to(options = {}, message = nil)
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assert_response(:redirect, message)
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return true if options === @response.location
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redirect_is = normalize_argument_to_redirection(@response.location)
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redirect_expected = normalize_argument_to_redirection(options)
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message ||= "Expected response to be a redirect to <#{redirect_expected}> but was a redirect to <#{redirect_is}>"
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assert_operator redirect_expected, :===, redirect_is, message
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end
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private
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# Proxy to to_param if the object will respond to it.
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def parameterize(value)
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value.respond_to?(:to_param) ? value.to_param : value
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end
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def normalize_argument_to_redirection(fragment)
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if Regexp === fragment
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fragment
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else
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handle = @controller || ActionController::Redirecting
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handle._compute_redirect_to_location(@request, fragment)
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end
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end
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def generate_response_message(expected, actual = @response.response_code)
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(+"Expected response to be a <#{code_with_name(expected)}>,"\
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" but was a <#{code_with_name(actual)}>").concat(location_if_redirected).concat(response_body_if_short)
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end
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def response_body_if_short
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return "" if @response.body.size > 500
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"\nResponse body: #{@response.body}"
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end
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def location_if_redirected
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return "" unless @response.redirection? && @response.location.present?
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location = normalize_argument_to_redirection(@response.location)
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" redirect to <#{location}>"
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end
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def code_with_name(code_or_name)
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if RESPONSE_PREDICATES.values.include?("#{code_or_name}?".to_sym)
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code_or_name = RESPONSE_PREDICATES.invert["#{code_or_name}?".to_sym]
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end
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AssertionResponse.new(code_or_name).code_and_name
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end
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end
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end
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end
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