Initial

git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@4 5ecf4fe2-1ee6-0310-87b1-e25e094e27de

actionpack/test/controller/action_pack_assertions_test.rb

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+require File.dirname(__FILE__) + '/../abstract_unit'
+
+# a controller class to facilitate the tests
+class ActionPackAssertionsController < ActionController::Base
+
+  # this does absolutely nothing
+  def nothing() render_text ""; end
+
+  # a standard template
+  def hello_world() render "test/hello_world"; end
+
+  # a standard template
+  def hello_xml_world() render "test/hello_xml_world"; end
+ 
+  # a redirect to an internal location
+  def redirect_internal() redirect_to "nothing"; end
+
+  # a redirect to an external location
+  def redirect_external() redirect_to_url "http://www.rubyonrails.org"; end
+  
+  # a 404
+  def response404() render_text "", "404 AWOL"; end
+
+  # a 500
+  def response500() render_text "", "500 Sorry"; end
+
+  # a fictional 599
+  def response599() render_text "", "599 Whoah!"; end
+
+  # putting stuff in the flash
+  def flash_me
+    flash['hello'] = 'my name is inigo montoya...'
+    render_text "Inconceivable!"
+  end
+
+  # we have a flash, but nothing is in it
+  def flash_me_naked
+    flash.clear
+    render_text "wow!"
+  end
+
+  # assign some template instance variables
+  def assign_this
+    @howdy = "ho"
+    render_text "Mr. Henke"
+  end
+
+  def render_based_on_parameters
+    render_text "Mr. #{@params["name"]}"
+  end
+
+  # puts something in the session
+  def session_stuffing
+    session['xmas'] = 'turkey'
+    render_text "ho ho ho"
+  end
+
+  # 911
+  def rescue_action(e) raise; end
+    
+end
+
+# ---------------------------------------------------------------------------
+
+
+# tell the controller where to find its templates but start from parent 
+# directory of test_request_response to simulate the behaviour of a 
+# production environment
+ActionPackAssertionsController.template_root = File.dirname(__FILE__) + "/../fixtures/"
+
+
+# a test case to exercise the new capabilities TestRequest & TestResponse
+class ActionPackAssertionsControllerTest < Test::Unit::TestCase  
+  # let's get this party started  
+  def setup
+    @controller = ActionPackAssertionsController.new
+    @request, @response = ActionController::TestRequest.new, ActionController::TestResponse.new
+  end
+ 
+  # -- assertion-based testing ------------------------------------------------
+
+  # test the session assertion to make sure something is there.
+  def test_assert_session_has
+    process :session_stuffing
+    assert_session_has 'xmas'
+    assert_session_has_no 'halloween'
+  end
+
+  # test the assertion of goodies in the template
+  def test_assert_template_has
+    process :assign_this
+    assert_template_has 'howdy'
+  end
+
+  # test the assertion for goodies that shouldn't exist in the template
+  def test_assert_template_has_no
+    process :nothing
+    assert_template_has_no 'maple syrup'
+    assert_template_has_no 'howdy'
+  end
+  
+  # test the redirection assertions
+  def test_assert_redirect
+    process :redirect_internal
+    assert_redirect
+  end
+
+  # test the redirect url string
+  def test_assert_redirect_url
+    process :redirect_external
+    assert_redirect_url 'http://www.rubyonrails.org'
+  end
+
+  # test the redirection pattern matching on a string
+  def test_assert_redirect_url_match_string
+    process :redirect_external
+    assert_redirect_url_match 'rails.org'
+  end
+  
+  # test the redirection pattern matching on a pattern
+  def test_assert_redirect_url_match_pattern
+    process :redirect_external
+    assert_redirect_url_match /ruby/
+  end
+  
+  # test the flash-based assertions with something is in the flash
+  def test_flash_assertions_full
+    process :flash_me
+    assert @response.has_flash_with_contents?
+    assert_flash_exists
+    assert ActionController::TestResponse.assertion_target.has_flash_with_contents?
+    assert_flash_not_empty
+    assert_flash_has 'hello'
+    assert_flash_has_no 'stds'
+  end
+
+  # test the flash-based assertions with no flash at all
+  def test_flash_assertions_negative
+    process :nothing
+    assert_flash_not_exists
+    assert_flash_empty
+    assert_flash_has_no 'hello'
+    assert_flash_has_no 'qwerty'
+  end
+  
+  # test the assert_rendered_file 
+  def test_assert_rendered_file
+    process :hello_world
+    assert_rendered_file 'test/hello_world'
+    assert_rendered_file 'hello_world'
+    assert_rendered_file
+  end
+  
+  # test the assert_success assertion
+  def test_assert_success
+    process :nothing
+    assert_success
+  end
+  
+  # -- standard request/reponse object testing --------------------------------
+ 
+  # ensure our session is working properly
+  def test_session_objects
+    process :session_stuffing
+    assert @response.has_session_object?('xmas')
+    assert_session_equal 'turkey', 'xmas'
+    assert !@response.has_session_object?('easter')
+  end
+  
+  # make sure that the template objects exist
+  def test_template_objects_alive
+    process :assign_this
+    assert !@response.has_template_object?('hi')
+    assert @response.has_template_object?('howdy')
+  end
+  
+  # make sure we don't have template objects when we shouldn't
+  def test_template_object_missing
+    process :nothing
+    assert_nil @response.template_objects['howdy']
+  end
+  
+  def test_assigned_equal
+    process :assign_this
+    assert_assigned_equal "ho", :howdy
+  end
+
+  # check the empty flashing
+  def test_flash_me_naked
+    process :flash_me_naked
+    assert @response.has_flash?
+    assert !@response.has_flash_with_contents?
+  end
+
+  # check if we have flash objects
+  def test_flash_haves
+    process :flash_me
+    assert @response.has_flash?
+    assert @response.has_flash_with_contents?
+    assert @response.has_flash_object?('hello')
+  end
+
+  # ensure we don't have flash objects
+  def test_flash_have_nots
+    process :nothing
+    assert !@response.has_flash?
+    assert !@response.has_flash_with_contents?
+    assert_nil @response.flash['hello']
+  end
+  
+  # examine that the flash objects are what we expect
+  def test_flash_equals
+    process :flash_me
+    assert_flash_equal 'my name is inigo montoya...', 'hello'
+  end
+  
+  
+  # check if we were rendered by a file-based template? 
+  def test_rendered_action
+    process :nothing
+    assert !@response.rendered_with_file?
+
+    process :hello_world
+    assert @response.rendered_with_file?
+    assert 'hello_world', @response.rendered_file
+  end
+  
+  # check the redirection location
+  def test_redirection_location
+    process :redirect_internal
+    assert_equal 'nothing', @response.redirect_url
+
+    process :redirect_external
+    assert_equal 'http://www.rubyonrails.org', @response.redirect_url
+
+    process :nothing
+    assert_nil @response.redirect_url
+  end
+  
+ 
+  # check server errors 
+  def test_server_error_response_code
+    process :response500
+    assert @response.server_error?
+    
+    process :response599
+    assert @response.server_error?
+    
+    process :response404
+    assert !@response.server_error?
+  end
+  
+  # check a 404 response code
+  def test_missing_response_code
+    process :response404
+    assert @response.missing?
+  end
+
+  # check to see if our redirection matches a pattern
+  def test_redirect_url_match
+    process :redirect_external
+    assert @response.redirect?
+    assert @response.redirect_url_match?("rubyonrails")
+    assert @response.redirect_url_match?(/rubyonrails/)
+    assert !@response.redirect_url_match?("phpoffrails")
+    assert !@response.redirect_url_match?(/perloffrails/)
+  end
+  
+  # check for a redirection
+  def test_redirection
+    process :redirect_internal
+    assert @response.redirect?
+
+    process :redirect_external
+    assert @response.redirect?
+
+    process :nothing
+    assert !@response.redirect?
+  end
+  
+  # check a successful response code
+  def test_successful_response_code
+    process :nothing
+    assert @response.success?
+  end 
+  
+  # a basic check to make sure we have a TestResponse object
+  def test_has_response
+    process :nothing
+    assert_kind_of ActionController::TestResponse, @response
+  end
+  
+  def test_render_based_on_parameters
+    process :render_based_on_parameters, "name" => "David"
+    assert_equal "Mr. David", @response.body
+  end
+
+  def test_simple_one_element_xpath_match
+    process :hello_xml_world
+    assert_template_xpath_match('//title', "Hello World")
+  end
+
+  def test_array_of_elements_in_xpath_match
+    process :hello_xml_world
+    assert_template_xpath_match('//p', %w( abes monks wiseguys ))
+  end
+end
+
+class ActionPackHeaderTest < Test::Unit::TestCase  
+  def setup
+    @controller = ActionPackAssertionsController.new
+    @request, @response = ActionController::TestRequest.new, ActionController::TestResponse.new
+  end
+  def test_rendering_xml_sets_content_type
+    process :hello_xml_world
+    assert_equal('text/xml', @controller.headers['Content-Type'])
+  end
+  def test_rendering_xml_respects_content_type
+	  @response.headers['Content-Type'] = 'application/pdf'
+	  process :hello_xml_world
+	  assert_equal('application/pdf', @controller.headers['Content-Type'])
+  end
+end