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107 lines
4.1 KiB
Ruby
107 lines
4.1 KiB
Ruby
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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extend ActiveSupport::Concern
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included do
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# TODO: Need to pull in AV::Template monkey patches that track which
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# templates are rendered. assert_template should probably be part
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# of AV instead of AD.
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require 'action_view/test_case'
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end
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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 200
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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 assert_response(501)
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# or its symbolic equivalent assert_response(:not_implemented).
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# See ActionDispatch::StatusCodes for a full list.
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#
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# ==== Examples
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#
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# # assert that the response was a redirection
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# assert_response :redirect
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#
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# # assert that the response code was status code 401 (unauthorized)
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# assert_response 401
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#
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def assert_response(type, message = nil)
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validate_request!
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if [ :success, :missing, :redirect, :error ].include?(type) && @response.send("#{type}?")
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assert_block("") { true } # to count the assertion
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elsif type.is_a?(Fixnum) && @response.response_code == type
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assert_block("") { true } # to count the assertion
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elsif type.is_a?(Symbol) && @response.response_code == Rack::Utils::SYMBOL_TO_STATUS_CODE[type]
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assert_block("") { true } # to count the assertion
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else
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assert_block(build_message(message, "Expected response to be a <?>, but was <?>", type, @response.response_code)) { false }
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end
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end
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# Assert 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 assert_redirected_to(:controller => "weblog") will also
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# match the redirection of redirect_to(:controller => "weblog", :action => "show") and so on.
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#
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# ==== Examples
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#
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# # assert 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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# # assert 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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# # assert 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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def assert_redirected_to(options = {}, message=nil)
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validate_request!
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assert_response(:redirect, message)
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return true if options == @response.location
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redirected_to_after_normalisation = normalize_argument_to_redirection(@response.location)
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options_after_normalisation = normalize_argument_to_redirection(options)
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if redirected_to_after_normalisation != options_after_normalisation
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flunk "Expected response to be a redirect to <#{options_after_normalisation}> but was a redirect to <#{redirected_to_after_normalisation}>"
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end
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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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case fragment
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when %r{^\w[\w\d+.-]*:.*}
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fragment
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when String
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if fragment =~ %r{^\w[\w\d+.-]*:.*}
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fragment
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else
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@request.protocol + @request.host_with_port + fragment
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end
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when :back
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raise RedirectBackError unless refer = @request.headers["Referer"]
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refer
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else
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@controller.url_for(fragment)
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end.gsub(/[\r\n]/, '')
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end
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def validate_request!
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unless @request.is_a?(ActionDispatch::Request)
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raise ArgumentError, "@request must be an ActionDispatch::Request"
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end
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end
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end
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end
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end
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