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db045dbbf6
git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@4 5ecf4fe2-1ee6-0310-87b1-e25e094e27de
199 lines
8.5 KiB
Ruby
199 lines
8.5 KiB
Ruby
require 'test/unit'
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require 'test/unit/assertions'
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require 'rexml/document'
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module Test #:nodoc:
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module Unit #:nodoc:
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# Adds a wealth of assertions to do functional testing of Action Controllers.
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module Assertions
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# -- basic assertions ---------------------------------------------------
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# ensure that the web request has been serviced correctly
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def assert_success(message=nil)
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response = acquire_assertion_target
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if response.success?
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# to count the assertion
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assert_block("") { true }
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else
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if response.redirect?
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msg = build_message(message, "Response unexpectedly redirect to <?>", response.redirect_url)
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else
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msg = build_message(message, "unsuccessful request (response code = <?>)",
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response.response_code)
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end
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assert_block(msg) { false }
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end
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end
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# ensure the request was rendered with the appropriate template file
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def assert_rendered_file(expected=nil, message=nil)
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response = acquire_assertion_target
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rendered = expected ? response.rendered_file(!expected.include?('/')) : response.rendered_file
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msg = build_message(message, "expecting <?> but rendering with <?>", expected, rendered)
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assert_block(msg) do
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if expected.nil?
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response.rendered_with_file?
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else
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expected == rendered
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end
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end
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end
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# -- session assertions -------------------------------------------------
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# ensure that the session has an object with the specified name
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def assert_session_has(key=nil, message=nil)
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response = acquire_assertion_target
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msg = build_message(message, "<?> is not in the session <?>", key, response.session)
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assert_block(msg) { response.has_session_object?(key) }
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end
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# ensure that the session has no object with the specified name
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def assert_session_has_no(key=nil, message=nil)
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response = acquire_assertion_target
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msg = build_message(message, "<?> is in the session <?>", key, response.session)
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assert_block(msg) { !response.has_session_object?(key) }
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end
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def assert_session_equal(expected = nil, key = nil, message = nil)
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response = acquire_assertion_target
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msg = build_message(message, "<?> expected in session['?'] but was <?>", expected, key, response.session[key])
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assert_block(msg) { expected == response.session[key] }
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end
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# -- flash assertions ---------------------------------------------------
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# ensure that the flash has an object with the specified name
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def assert_flash_has(key=nil, message=nil)
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response = acquire_assertion_target
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msg = build_message(message, "<?> is not in the flash <?>", key, response.flash)
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assert_block(msg) { response.has_flash_object?(key) }
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end
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# ensure that the flash has no object with the specified name
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def assert_flash_has_no(key=nil, message=nil)
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response = acquire_assertion_target
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msg = build_message(message, "<?> is in the flash <?>", key, response.flash)
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assert_block(msg) { !response.has_flash_object?(key) }
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end
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# ensure the flash exists
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def assert_flash_exists(message=nil)
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response = acquire_assertion_target
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msg = build_message(message, "the flash does not exist <?>", response.session['flash'] )
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assert_block(msg) { response.has_flash? }
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end
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# ensure the flash does not exist
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def assert_flash_not_exists(message=nil)
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response = acquire_assertion_target
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msg = build_message(message, "the flash exists <?>", response.flash)
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assert_block(msg) { !response.has_flash? }
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end
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# ensure the flash is empty but existant
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def assert_flash_empty(message=nil)
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response = acquire_assertion_target
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msg = build_message(message, "the flash is not empty <?>", response.flash)
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assert_block(msg) { !response.has_flash_with_contents? }
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end
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# ensure the flash is not empty
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def assert_flash_not_empty(message=nil)
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response = acquire_assertion_target
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msg = build_message(message, "the flash is empty")
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assert_block(msg) { response.has_flash_with_contents? }
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end
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def assert_flash_equal(expected = nil, key = nil, message = nil)
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response = acquire_assertion_target
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msg = build_message(message, "<?> expected in flash['?'] but was <?>", expected, key, response.flash[key])
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assert_block(msg) { expected == response.flash[key] }
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end
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# -- redirection assertions ---------------------------------------------
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# ensure we have be redirected
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def assert_redirect(message=nil)
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response = acquire_assertion_target
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msg = build_message(message, "response is not a redirection (response code is <?>)", response.response_code)
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assert_block(msg) { response.redirect? }
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end
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def assert_redirected_to(options = {}, message=nil)
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assert_redirect(message)
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response = acquire_assertion_target
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msg = build_message(message, "response is not a redirection to all of the options supplied (redirection is <?>)", response.redirected_to)
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assert_block(msg) do
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if options.is_a?(Symbol)
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response.redirected_to == options
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else
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options.keys.all? { |k| options[k] == response.redirected_to[k] }
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end
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end
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end
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# ensure our redirection url is an exact match
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def assert_redirect_url(url=nil, message=nil)
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assert_redirect(message)
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response = acquire_assertion_target
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msg = build_message(message, "<?> is not the redirected location <?>", url, response.redirect_url)
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assert_block(msg) { response.redirect_url == url }
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end
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# ensure our redirection url matches a pattern
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def assert_redirect_url_match(pattern=nil, message=nil)
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assert_redirect(message)
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response = acquire_assertion_target
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msg = build_message(message, "<?> was not found in the location: <?>", pattern, response.redirect_url)
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assert_block(msg) { response.redirect_url_match?(pattern) }
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end
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# -- template assertions ------------------------------------------------
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# ensure that a template object with the given name exists
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def assert_template_has(key=nil, message=nil)
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response = acquire_assertion_target
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msg = build_message(message, "<?> is not a template object", key )
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assert_block(msg) { response.has_template_object?(key) }
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end
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# ensure that a template object with the given name does not exist
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def assert_template_has_no(key=nil,message=nil)
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response = acquire_assertion_target
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msg = build_message(message, "<?> is a template object <?>", key, response.template_objects[key])
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assert_block(msg) { !response.has_template_object?(key) }
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end
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# ensures that the object assigned to the template on +key+ is equal to +expected+ object.
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def assert_assigned_equal(expected = nil, key = nil, message = nil)
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response = acquire_assertion_target
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msg = build_message(message, "<?> expected in assigns['?'] but was <?>", expected, key, response.template.assigns[key.to_s])
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assert_block(msg) { expected == response.template.assigns[key.to_s] }
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end
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# Asserts that the template returns the +expected+ string or array based on the XPath +expression+.
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# This will only work if the template rendered a valid XML document.
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def assert_template_xpath_match(expression=nil, expected=nil, message=nil)
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response = acquire_assertion_target
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xml, matches = REXML::Document.new(response.body), []
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xml.elements.each(expression) { |e| matches << e.text }
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matches = matches.first if matches.length < 2
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msg = build_message(message, "<?> found <?>, not <?>", expression, matches, expected)
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assert_block(msg) { matches == expected }
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end
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# -- helper functions ---------------------------------------------------
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# get the TestResponse object that these assertions depend upon
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def acquire_assertion_target
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target = ActionController::TestResponse.assertion_target
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assert_block( "Unable to acquire the TestResponse.assertion_target. Please set this before calling this assertion." ) { !target.nil? }
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target
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end
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end # Assertions
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end # Unit
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end # Test
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